/* roulang page: index */
:root{
            --ink:#172033;
            --muted:#697386;
            --soft:#f5f7fb;
            --paper:#ffffff;
            --line:#e7ebf2;
            --brand:#e34d4d;
            --brand-dark:#bc303b;
            --gold:#e7aa54;
            --navy:#202b49;
            --radius:22px;
            --shadow:0 18px 48px rgba(31,43,73,.10);
            --shadow-sm:0 8px 24px rgba(31,43,73,.08);
            --ease:all .28s ease;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid rgba(227,77,77,.35);outline-offset:4px}
        .container{width:min(1160px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(231,235,242,.8)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:36px}
        .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:800;letter-spacing:-.04em;color:var(--navy);white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 16px rgba(227,77,77,.24)}
        .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
        .nav-links a{padding:9px 16px;border-radius:12px;color:#606b7c;font-size:15px;font-weight:600;transition:var(--ease)}
        .nav-links a:hover,.nav-links a.active{background:#fff0ef;color:var(--brand)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--brand)}
        .nav-action{display:inline-flex!important;align-items:center;gap:8px;background:var(--navy)!important;color:#fff!important;padding:11px 18px!important}
        .nav-action:hover{background:var(--brand-dark)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:var(--soft);color:var(--navy);border-radius:10px;padding:8px 11px}
        .hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background-image:linear-gradient(90deg,rgba(20,29,51,.9) 0%,rgba(20,29,51,.7) 45%,rgba(20,29,51,.2) 100%),url('/images/sd/backpic/back-1.webp');background-size:cover;background-position:center}
        .hero::after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-100px;top:-110px}
        .hero-content{position:relative;z-index:1;max-width:700px;color:#fff;padding:72px 0}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffd29a;font-weight:700;letter-spacing:.08em;font-size:13px;text-transform:uppercase}
        .eyebrow::before{content:"";width:28px;height:2px;background:var(--gold)}
        h1{margin:18px 0 20px;font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-.06em;font-weight:900}
        .hero-content p{max-width:620px;margin:0;color:rgba(255,255,255,.8);font-size:18px;line-height:1.9}
        .hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:13px;padding:12px 21px;font-weight:700;transition:var(--ease)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(227,77,77,.28)}
        .btn-primary:hover{background:#f2635c;transform:translateY(-3px);box-shadow:0 14px 28px rgba(227,77,77,.35)}
        .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
        .btn-light:hover{background:#fff;color:var(--navy)}
        .hero-note{display:flex;align-items:center;gap:12px;margin-top:42px;color:rgba(255,255,255,.62);font-size:13px}
        .note-dot{width:8px;height:8px;border-radius:50%;background:#7de0ac;box-shadow:0 0 0 5px rgba(125,224,172,.14)}
        .section{padding:96px 0}
        .section-soft{background:var(--soft)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
        .section-kicker{color:var(--brand);font-weight:800;font-size:13px;letter-spacing:.12em}
        h2{margin:8px 0 0;font-size:clamp(28px,3.2vw,42px);line-height:1.25;letter-spacing:-.045em}
        .section-intro{max-width:530px;color:var(--muted);margin:0}
        .text-link{color:var(--brand);font-weight:700;white-space:nowrap;border-bottom:1px solid #f3b2ae;padding-bottom:3px}
        .text-link:hover{color:var(--brand-dark);border-color:var(--brand-dark)}
        .feature-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:20px}
        .feature-card{position:relative;min-height:270px;border-radius:var(--radius);overflow:hidden;color:#fff;background:#26304a;box-shadow:var(--shadow-sm);transition:var(--ease)}
        .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
        .feature-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.72;transition:var(--ease)}
        .feature-card:hover img{transform:scale(1.05);opacity:.82}
        .feature-card::after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(12,18,34,.88))}
        .feature-info{position:absolute;z-index:1;left:24px;right:24px;bottom:22px}
        .feature-info h3{margin:8px 0 5px;font-size:24px;line-height:1.3}
        .feature-info p{margin:0;color:rgba(255,255,255,.74);font-size:14px}
        .badge{display:inline-flex;padding:4px 9px;border-radius:8px;background:rgba(255,255,255,.16);color:#fff;font-size:12px;font-weight:700}
        .badge-red{background:#fff0ef;color:var(--brand)}
        .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .benefit{padding:30px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:var(--ease)}
        .benefit:hover{border-color:#f1b4b0;box-shadow:var(--shadow-sm);transform:translateY(-4px)}
        .benefit-icon{width:48px;height:48px;border-radius:15px;background:#fff0ef;color:var(--brand);display:grid;place-items:center;font-size:22px;margin-bottom:20px}
        .benefit h3{font-size:20px;margin:0 0 8px}
        .benefit p{color:var(--muted);font-size:14px;margin:0}
        .latest-layout{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:48px;align-items:start}
        .post-list{display:grid;gap:14px}
        .post-item{display:grid;grid-template-columns:142px minmax(0,1fr) auto;gap:20px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:17px;background:#fff;transition:var(--ease)}
        .post-item:hover{border-color:#efb0ac;box-shadow:var(--shadow-sm);transform:translateX(4px)}
        .post-thumb{height:104px;border-radius:12px;object-fit:cover;width:142px}
        .post-meta{display:flex;align-items:center;gap:10px;color:#8a93a2;font-size:12px}
        .post-item h3{font-size:18px;line-height:1.4;margin:7px 0 5px}
        .post-item p{margin:0;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .post-date{font-size:12px;color:#9aa2ae;white-space:nowrap;align-self:start;padding-top:5px}
        .empty-state{padding:30px;border:1px dashed #ccd3df;border-radius:16px;color:var(--muted);background:#fafbfc}
        .side-card{border-radius:20px;background:var(--navy);color:#fff;padding:28px;position:sticky;top:24px;overflow:hidden}
        .side-card::before{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-58px;top:-55px}
        .side-card h3{position:relative;font-size:23px;margin:0 0 12px}
        .side-card p{position:relative;color:rgba(255,255,255,.68);font-size:14px;margin:0 0 23px}
        .side-points{position:relative;display:grid;gap:12px;margin:0;padding:0;list-style:none}
        .side-points li{display:flex;gap:10px;font-size:14px;color:#e8ebf2}
        .side-points li::before{content:"✓";color:#ffc36f;font-weight:900}
        .side-card .btn{position:relative;margin-top:26px;width:100%;background:#fff;color:var(--navy)}
        .side-card .btn:hover{background:#ffd5a0}
        .poster-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .poster{position:relative;overflow:hidden;border-radius:18px;background:#ddd;aspect-ratio:3/4;box-shadow:var(--shadow-sm)}
        .poster img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
        .poster:hover img{transform:scale(1.06)}
        .poster-caption{position:absolute;left:0;right:0;bottom:0;padding:45px 17px 16px;color:#fff;background:linear-gradient(transparent,rgba(10,16,31,.9))}
        .poster-caption strong{display:block;font-size:17px}
        .poster-caption span{font-size:12px;color:rgba(255,255,255,.72)}
        .quote-section{background:#fff8f3}
        .quote-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
        .quote-mark{font-family:Georgia,serif;color:var(--brand);font-size:90px;line-height:.6}
        blockquote{font-size:25px;line-height:1.6;letter-spacing:-.03em;margin:18px 0;color:var(--navy);font-weight:700}
        .quote-author{color:var(--muted);font-size:14px}
        .info-box{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
        .info-stat{padding:22px;border-radius:15px;background:#fff;border:1px solid #f1ddd4}
        .info-stat strong{display:block;font-size:28px;color:var(--brand)}
        .info-stat span{font-size:13px;color:var(--muted)}
        .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .guide-card{padding:28px;border-radius:18px;background:var(--soft);border:1px solid transparent}
        .guide-card:hover{border-color:var(--line);background:#fff;box-shadow:var(--shadow-sm)}
        .guide-number{font-size:13px;color:var(--brand);font-weight:800}
        .guide-card h3{margin:12px 0 8px;font-size:19px}
        .guide-card p{margin:0;color:var(--muted);font-size:14px}
        .cta{padding:72px 0;background:var(--brand);color:#fff;position:relative;overflow:hidden}
        .cta::after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-120px;top:-190px}
        .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{margin:0 0 8px;color:#fff}
        .cta p{margin:0;color:rgba(255,255,255,.78)}
        .cta .btn{background:#fff;color:var(--brand)}
        .cta .btn:hover{background:#ffe2bf;color:var(--brand-dark)}
        .site-footer{background:#172033;color:#fff;padding:48px 0 22px}
        .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
        .footer-brand p{color:rgba(255,255,255,.58);font-size:14px;max-width:320px;margin:14px 0 0}
        .footer-links{display:flex;gap:55px}
        .footer-col h4{font-size:14px;margin:0 0 13px;color:#fff}
        .footer-col a{display:block;color:rgba(255,255,255,.56);font-size:13px;margin:7px 0;transition:var(--ease)}
        .footer-col a:hover{color:#ffc36f}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.4);font-size:12px;padding-top:20px}
        @media(max-width:1024px){
            .feature-grid{grid-template-columns:repeat(2,1fr)}
            .feature-card:first-child{grid-column:span 2}
            .latest-layout{gap:28px}
            .quote-grid{gap:30px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,620px)}
            .nav-wrap{height:70px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:18px;right:18px;top:68px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
            .nav-links.open{display:flex;flex-direction:column;align-items:stretch}
            .nav-links a{display:block}
            .hero{min-height:570px}
            .hero-content p{font-size:16px}
            .section{padding:70px 0}
            .section-head{display:block}
            .section-head .text-link{display:inline-block;margin-top:16px}
            .benefit-grid,.guide-grid{grid-template-columns:1fr}
            .latest-layout,.quote-grid{grid-template-columns:1fr}
            .side-card{position:static}
            .poster-row{grid-template-columns:repeat(2,1fr)}
            .footer-top,.footer-bottom{display:block}
            .footer-links{margin-top:30px;gap:35px}
            .footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            h1{font-size:38px}
            .hero-buttons{display:grid;grid-template-columns:1fr}
            .hero-buttons .btn{width:100%}
            .feature-grid{grid-template-columns:1fr}
            .feature-card:first-child{grid-column:auto}
            .feature-card{min-height:240px}
            .post-item{grid-template-columns:86px minmax(0,1fr);gap:13px}
            .post-thumb{width:86px;height:108px}
            .post-date{display:none}
            .post-item h3{font-size:16px}
            .info-box{grid-template-columns:1fr}
            .footer-links{gap:18px;justify-content:space-between}
            .footer-col a{font-size:12px}
        }

/* roulang page: category1 */
:root{
            --ink:#172033;
            --muted:#697386;
            --soft:#f5f7fb;
            --paper:#fff;
            --line:#e7ebf2;
            --brand:#e34d4d;
            --brand-dark:#bc303b;
            --gold:#e7aa54;
            --navy:#202b49;
            --radius:22px;
            --shadow:0 18px 48px rgba(31,43,73,.10);
            --shadow-sm:0 8px 24px rgba(31,43,73,.08);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1160px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(231,235,242,.8)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:36px}
        .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:800;letter-spacing:-.04em;color:var(--navy);white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 16px rgba(227,77,77,.24)}
        .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
        .nav-links a{padding:9px 16px;border-radius:12px;color:#606b7c;font-size:15px;font-weight:600;transition:var(--ease)}
        .nav-links a:hover,.nav-links a.active{background:#fff0ef;color:var(--brand)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--brand)}
        .nav-action{display:inline-flex!important;align-items:center;gap:8px;background:var(--navy)!important;color:#fff!important;padding:11px 18px!important}
        .nav-action:hover{background:var(--brand-dark)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:var(--soft);color:var(--navy);border-radius:10px;padding:8px 11px}
        .inner-hero{position:relative;min-height:425px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(20,29,51,.92),rgba(20,29,51,.7) 53%,rgba(20,29,51,.24)),url('/images/sd/backpic/back-2.webp');background-size:cover;background-position:center}
        .inner-hero:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-70px;top:-100px}
        .hero-copy{position:relative;z-index:1;max-width:680px;color:#fff;padding:76px 0}
        .eyebrow,.section-kicker{font-size:13px;font-weight:800;letter-spacing:.12em}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffd29a}
        .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
        h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.055em;margin:17px 0 20px;font-weight:850}
        h2{font-size:clamp(28px,3vw,40px);line-height:1.25;letter-spacing:-.04em;margin:8px 0 14px}
        h3{line-height:1.35}
        .hero-copy p{max-width:620px;color:rgba(255,255,255,.82);font-size:18px;margin:0}
        .hero-buttons{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:13px;padding:12px 21px;font-weight:700;transition:var(--ease)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(227,77,77,.28)}
        .btn-primary:hover{background:#f2635c;color:#fff;transform:translateY(-3px)}
        .btn-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
        .btn-light:hover{background:#fff;color:var(--navy)}
        .section{padding:88px 0}
        .section-soft{background:var(--soft)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
        .section-kicker{color:var(--brand)}
        .section-intro{max-width:560px;color:var(--muted);margin:0}
        .text-link{color:var(--brand);font-weight:700;white-space:nowrap;border-bottom:1px solid #f3b2ae;padding-bottom:3px}
        .text-link:hover{color:var(--brand-dark)}
        .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
        .value-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:var(--ease)}
        .value-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#efb0ac}
        .value-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:15px;background:#fff0ef;color:var(--brand);font-size:22px;margin-bottom:19px}
        .value-card h3{font-size:21px;margin:0 0 8px}
        .value-card p{color:var(--muted);font-size:14px;margin:0}
        .feature-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:center}
        .feature-photo{height:430px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
        .feature-photo img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
        .feature-photo:hover img{transform:scale(1.04)}
        .feature-copy{padding:10px 15px}
        .badge{display:inline-flex;padding:5px 10px;border-radius:8px;background:#fff0ef;color:var(--brand);font-size:12px;font-weight:800}
        .feature-copy p{color:var(--muted);margin:0 0 19px}
        .check-list{padding:0;margin:22px 0 28px;list-style:none}
        .check-list li{display:flex;gap:11px;align-items:flex-start;margin:12px 0;color:#404b61}
        .check-list li:before{content:"✓";color:var(--brand);font-weight:900}
        .theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .theme-card{position:relative;min-height:250px;border-radius:18px;overflow:hidden;color:#fff;box-shadow:var(--shadow-sm)}
        .theme-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--ease)}
        .theme-card:after{content:"";position:absolute;inset:25% 0 0;background:linear-gradient(transparent,rgba(14,20,38,.9))}
        .theme-card:hover img{transform:scale(1.07)}
        .theme-card-content{position:absolute;z-index:1;left:20px;right:20px;bottom:18px}
        .theme-card h3{font-size:20px;margin:8px 0 3px}
        .theme-card p{font-size:13px;color:rgba(255,255,255,.75);margin:0}
        .number-band{background:var(--navy);color:#fff}
        .number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
        .number-item{padding:12px 10px;border-right:1px solid rgba(255,255,255,.13)}
        .number-item:last-child{border-right:0}
        .number-item strong{display:block;color:#ffd29a;font-size:34px;line-height:1.2}
        .number-item span{display:block;color:rgba(255,255,255,.68);font-size:14px;margin-top:7px}
        .quote-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px;align-items:stretch}
        .quote-intro{background:#fff0ef;border-radius:var(--radius);padding:34px}
        .quote-intro p{color:var(--muted);margin:0}
        .quote-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
        .quote-card{padding:24px;border:1px solid var(--line);border-radius:17px;background:#fff}
        .quote-card p{font-size:15px;margin:0;color:#465168}
        .quote-card strong{display:block;margin-top:14px;color:var(--navy);font-size:14px}
        .faq-list{max-width:850px;margin:0 auto}
        .faq-item{border-bottom:1px solid var(--line);padding:21px 0}
        .faq-item h3{font-size:18px;margin:0 0 8px}
        .faq-item p{color:var(--muted);margin:0;font-size:15px}
        .cta{position:relative;overflow:hidden;background:var(--brand);color:#fff;border-radius:var(--radius);padding:48px 55px;display:flex;justify-content:space-between;align-items:center;gap:25px}
        .cta:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-70px;top:-100px}
        .cta h2{position:relative;z-index:1;margin:0 0 8px;font-size:32px}
        .cta p{position:relative;z-index:1;color:rgba(255,255,255,.78);margin:0}
        .cta .btn{position:relative;z-index:1;background:#fff;color:var(--brand);white-space:nowrap}
        .cta .btn:hover{background:#ffd7a5;color:var(--navy)}
        .site-footer{background:var(--navy);color:#fff;padding:58px 0 22px}
        .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:38px}
        .footer-brand{max-width:350px}
        .footer-brand .brand{color:#fff!important}
        .footer-brand p{color:rgba(255,255,255,.62);font-size:14px;margin:18px 0 0}
        .footer-links{display:flex;gap:80px}
        .footer-col{display:flex;flex-direction:column;gap:8px;min-width:120px}
        .footer-col h4{font-size:14px;margin:0 0 8px;color:#ffd29a}
        .footer-col a{color:rgba(255,255,255,.65);font-size:14px;transition:var(--ease)}
        .footer-col a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:19px;color:rgba(255,255,255,.45);font-size:13px}
        a:focus-visible,button:focus-visible{outline:3px solid rgba(227,77,77,.35);outline-offset:3px}
        @media(max-width:900px){
            .nav-links{gap:2px}.nav-links a{padding:8px 10px}
            .feature-layout,.quote-layout{grid-template-columns:1fr}
            .theme-grid{grid-template-columns:repeat(2,1fr)}
            .number-grid{grid-template-columns:repeat(2,1fr);row-gap:25px}
            .number-item:nth-child(2){border-right:0}
            .cta{align-items:flex-start;flex-direction:column}
        }
        @media(max-width:700px){
            .container{width:min(100% - 32px,560px)}
            .nav-wrap{height:70px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;padding:12px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
            .nav-links.open{display:flex}
            .nav-links a{width:100%;text-align:center}
            .inner-hero{min-height:470px}
            .hero-copy{padding:65px 0}
            .hero-copy p{font-size:16px}
            .section{padding:66px 0}
            .section-head{display:block}
            .section-head .text-link{display:inline-block;margin-top:15px}
            .value-grid,.quote-list{grid-template-columns:1fr}
            .feature-photo{height:330px}
            .theme-grid{grid-template-columns:1fr 1fr;gap:12px}
            .theme-card{min-height:220px}
            .cta{padding:34px 25px}
            .cta h2{font-size:27px}
            .footer-top,.footer-bottom{display:block}
            .footer-links{margin-top:32px;gap:42px}
            .footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:420px){
            h1{font-size:38px}
            .theme-grid{grid-template-columns:1fr}
            .number-grid{grid-template-columns:1fr 1fr}
            .number-item{border-right:0}
            .hero-buttons .btn{width:100%}
        }

/* roulang page: article */
:root{
            --ink:#172033;
            --muted:#697386;
            --soft:#f5f7fb;
            --paper:#fff;
            --line:#e7ebf2;
            --brand:#e34d4d;
            --brand-dark:#bc303b;
            --gold:#e7aa54;
            --navy:#202b49;
            --radius:22px;
            --shadow:0 18px 48px rgba(31,43,73,.10);
            --shadow-sm:0 8px 24px rgba(31,43,73,.08);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(1160px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(231,235,242,.9)}
        .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:36px}
        .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:800;letter-spacing:-.04em;color:var(--navy);white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 8px 16px rgba(227,77,77,.24)}
        .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
        .nav-links a{padding:9px 16px;border-radius:12px;color:#606b7c;font-size:15px;font-weight:600;transition:var(--ease)}
        .nav-links a:hover,.nav-links a.active{background:#fff0ef;color:var(--brand)}
        .nav-links a.active{box-shadow:inset 0 -2px var(--brand)}
        .nav-action{display:inline-flex!important;align-items:center;gap:8px;background:var(--navy)!important;color:#fff!important;padding:11px 18px!important}
        .nav-action:hover{background:var(--brand-dark)!important;transform:translateY(-2px)}
        .menu-toggle{display:none;border:0;background:var(--soft);color:var(--navy);border-radius:10px;padding:8px 11px}
        .article-banner{position:relative;min-height:325px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(20,29,51,.93),rgba(20,29,51,.68),rgba(20,29,51,.3)),url('/images/sd/backpic/back-2.webp');background-size:cover;background-position:center}
        .article-banner:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-90px;top:-130px}
        .banner-content{position:relative;z-index:1;color:#fff;padding:58px 0;max-width:820px}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:rgba(255,255,255,.65);font-size:13px;margin-bottom:18px}
        .breadcrumb a:hover{color:#ffd29a}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffd29a;font-weight:700;letter-spacing:.08em;font-size:13px}
        .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
        h1,h2,h3,p{margin-top:0}
        .banner-content h1{font-size:clamp(30px,4vw,52px);line-height:1.25;letter-spacing:-.04em;margin:14px 0 16px;color:#fff}
        .banner-summary{max-width:720px;margin:0;color:rgba(255,255,255,.8);font-size:17px}
        .article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:52px;align-items:start;padding:72px 0 96px}
        .article-main{min-width:0}
        .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:#8992a2;font-size:13px;padding-bottom:22px;border-bottom:1px solid var(--line)}
        .meta-dot{width:4px;height:4px;border-radius:50%;background:#c2c8d2}
        .tag{display:inline-flex;align-items:center;padding:5px 11px;border-radius:9px;background:#fff0ef;color:var(--brand);font-weight:700}
        .article-content{padding-top:30px;font-size:17px;color:#394457;line-height:2}
        .article-content h2{color:var(--navy);font-size:28px;line-height:1.4;margin:38px 0 16px}
        .article-content h3{color:var(--navy);font-size:22px;line-height:1.5;margin:30px 0 12px}
        .article-content p{margin-bottom:22px}
        .article-content img{border-radius:18px;margin:28px 0;box-shadow:var(--shadow-sm)}
        .article-content a{color:var(--brand);font-weight:700;border-bottom:1px solid #efb0ac}
        .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--brand);background:var(--soft);border-radius:0 14px 14px 0;color:#596477}
        .article-side{position:sticky;top:24px}
        .side-card{border-radius:20px;background:var(--navy);color:#fff;padding:28px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
        .side-card:before{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-70px;top:-65px}
        .side-card h2{position:relative;font-size:23px;line-height:1.4;margin:0 0 12px}
        .side-card p{position:relative;color:rgba(255,255,255,.68);font-size:14px;margin:0 0 22px}
        .side-card .btn{position:relative;width:100%;margin-top:8px}
        .side-poster{margin-top:18px;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
        .side-poster img{width:100%;height:190px;object-fit:cover}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:13px;padding:12px 21px;font-weight:700;transition:var(--ease)}
        .btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(227,77,77,.28)}
        .btn-primary:hover{background:#f2635c;color:#fff;transform:translateY(-3px)}
        .btn-light{background:#fff;color:var(--navy)}
        .btn-light:hover{background:#ffd5a0;color:var(--navy)}
        .not-found{padding:55px 30px;text-align:center;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius)}
        .not-found h2{font-size:29px;color:var(--navy);margin-bottom:12px}
        .not-found p{color:var(--muted);margin-bottom:23px}
        .article-end{margin-top:42px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:14px}
        .site-footer{background:var(--navy);color:#fff;padding:58px 0 22px}
        .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:42px}
        .footer-brand{max-width:340px}
        .footer-brand .brand{color:#fff!important}
        .footer-brand p{color:rgba(255,255,255,.62);font-size:14px;margin:18px 0 0}
        .footer-links{display:flex;gap:76px}
        .footer-col{display:flex;flex-direction:column;gap:9px;min-width:120px}
        .footer-col h4{font-size:14px;margin:0 0 7px;color:#ffd29a}
        .footer-col a{font-size:14px;color:rgba(255,255,255,.65);transition:var(--ease)}
        .footer-col a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);padding-top:18px;color:rgba(255,255,255,.48);font-size:12px}
        :focus-visible{outline:3px solid rgba(227,77,77,.35);outline-offset:3px}
        @media(max-width:1024px){
            .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:30px}
            .nav-links{gap:2px}
            .nav-links a{padding-left:11px;padding-right:11px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{height:70px}
            .menu-toggle{display:block}
            .nav-links{display:none;position:absolute;left:16px;right:16px;top:78px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{text-align:center}
            .article-banner{min-height:300px}
            .banner-content{padding:48px 0}
            .article-layout{display:block;padding:48px 0 68px}
            .article-side{position:static;margin-top:40px}
            .footer-top{display:block}
            .footer-links{margin-top:32px;gap:45px}
        }
        @media(max-width:520px){
            .brand{font-size:20px}
            .brand-mark{width:33px;height:33px}
            .article-banner{min-height:330px}
            .banner-content h1{font-size:31px}
            .banner-summary{font-size:15px}
            .article-content{font-size:16px}
            .article-content h2{font-size:24px}
            .article-end,.footer-bottom{display:block}
            .article-end .btn{margin-top:14px}
            .footer-bottom span{display:block;margin-top:7px}
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}