/* roulang page: index */
:root{
            --primary:#1769e0;
            --primary-dark:#0e4fae;
            --primary-soft:#eaf3ff;
            --teal:#12a89d;
            --orange:#f2765b;
            --ink:#182033;
            --muted:#667085;
            --light:#f5f8fc;
            --white:#ffffff;
            --line:#dfe7f2;
            --line-dark:#c8d5e6;
            --radius:8px;
            --radius-lg:16px;
            --shadow:0 10px 28px rgba(24,32,51,.07);
            --shadow-hover:0 16px 34px rgba(23,105,224,.14);
            --container:1200px;
            --ease:220ms ease;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            color:var(--ink);
            background:var(--white);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
            font-size:16px;
            line-height:1.78;
            -webkit-font-smoothing:antialiased;
        }
        body.menu-open{overflow:hidden}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input,select,textarea{font:inherit}
        button{border:0;background:none;cursor:pointer}
        ul{list-style:none}
        .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:8px;
            color:var(--primary);
            font-size:13px;
            font-weight:700;
            letter-spacing:.04em;
            text-transform:uppercase;
        }
        .eyebrow::before{content:"";width:22px;height:2px;background:var(--teal)}
        .section{padding:96px 0}
        .section-light{background:var(--light)}
        .section-head{max-width:680px;margin-bottom:42px}
        .section-head h2{font-size:36px;line-height:1.25;letter-spacing:-.02em;margin:12px 0 14px}
        .section-head p{color:var(--muted);font-size:17px}
        .btn{
            min-height:46px;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:9px;
            padding:0 21px;
            border-radius:7px;
            font-weight:700;
            transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease);
        }
        .btn:hover{transform:translateY(-2px)}
        .btn:active{transform:translateY(0)}
        .btn:focus-visible,.icon-btn:focus-visible,.nav-link:focus-visible,.faq-question:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
            outline:3px solid rgba(23,105,224,.25);
            outline-offset:3px;
        }
        .btn-primary{color:#fff;background:var(--primary);box-shadow:0 7px 16px rgba(23,105,224,.18)}
        .btn-primary:hover{background:var(--primary-dark);box-shadow:0 10px 22px rgba(23,105,224,.24)}
        .btn-secondary{color:var(--primary);background:#fff;border:1px solid var(--primary)}
        .btn-secondary:hover{background:var(--primary-soft)}
        .btn-light{color:var(--ink);background:#fff;border:1px solid var(--line)}
        .btn-light:hover{border-color:var(--primary);color:var(--primary)}
        .site-header{
            position:sticky;top:0;z-index:50;
            background:rgba(255,255,255,.96);
            border-bottom:1px solid var(--line);
            box-shadow:0 3px 14px rgba(24,32,51,.04);
        }
        .nav-wrap{height:70px;display:flex;align-items:center;gap:34px}
        .brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:19px;font-weight:800;letter-spacing:-.03em}
        .brand-mark{width:28px;height:28px;display:grid;place-items:center;color:#fff;background:var(--primary);border-radius:7px;transform:rotate(-8deg)}
        .brand-mark i{transform:rotate(8deg);font-size:13px}
        .main-nav{display:flex;align-items:center;gap:24px}
        .nav-link{position:relative;color:#566176;font-size:14px;font-weight:600;padding:22px 0}
        .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;background:var(--primary);transform:scaleX(0);transition:transform var(--ease)}
        .nav-link:hover,.nav-link.active{color:var(--primary)}
        .nav-link.active::after,.nav-link:hover::after{transform:scaleX(1)}
        .nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
        .search-box{height:40px;width:210px;display:flex;align-items:center;gap:9px;padding:0 12px;color:var(--muted);background:var(--light);border:1px solid transparent;border-radius:6px;transition:border-color var(--ease),background var(--ease)}
        .search-box:focus-within{background:#fff;border-color:var(--primary)}
        .search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}
        .search-box input::placeholder{color:#8b96a8}
        .menu-toggle,.mobile-search{display:none;width:44px;height:44px;place-items:center;color:var(--ink);border-radius:6px}
        .menu-toggle:hover,.mobile-search:hover{background:var(--primary-soft);color:var(--primary)}
        .hero{padding:74px 0 54px;background:linear-gradient(180deg,#f8fbff 0%,#fff 100%)}
        .hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:68px;align-items:center;min-height:555px}
        .hero-copy h1{max-width:610px;font-size:52px;line-height:1.18;letter-spacing:-.045em;margin:17px 0 22px}
        .hero-copy h1 span{color:var(--primary)}
        .hero-copy p{max-width:590px;color:var(--muted);font-size:18px;line-height:1.85}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
        .hero-points{display:flex;gap:26px;margin-top:37px;padding-top:22px;border-top:1px solid var(--line)}
        .hero-point strong{display:block;font-size:21px;line-height:1.2}
        .hero-point span{display:block;margin-top:4px;color:var(--muted);font-size:13px}
        .hero-visual{position:relative}
        .hero-image{position:relative;overflow:hidden;aspect-ratio:1.15/1;border-radius:14px;background:#dbe8f6;box-shadow:var(--shadow-hover)}
        .hero-image::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(16,52,108,.08),rgba(23,105,224,.3))}
        .hero-image img{width:100%;height:100%;object-fit:cover}
        .visual-label{position:absolute;z-index:2;left:22px;top:22px;display:flex;gap:8px;flex-wrap:wrap}
        .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:5px;background:#fff;color:var(--ink);font-size:12px;font-weight:700;box-shadow:0 5px 16px rgba(24,32,51,.1)}
        .badge-blue{color:var(--primary);background:#edf5ff}
        .badge-teal{color:#087e76;background:#e7f8f5}
        .badge-orange{color:#a94c39;background:#fff0ec}
        .visual-note{position:absolute;z-index:3;right:-24px;bottom:28px;max-width:220px;padding:16px 17px;background:#fff;border-left:4px solid var(--teal);border-radius:8px;box-shadow:var(--shadow)}
        .visual-note small{display:block;color:var(--muted);font-size:12px}
        .visual-note strong{display:block;margin-top:5px;font-size:15px;line-height:1.45}
        .quick-strip{display:flex;align-items:center;gap:18px;padding:17px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
        .quick-strip strong{color:var(--ink);white-space:nowrap}
        .quick-tags{display:flex;gap:8px;flex-wrap:wrap}
        .quick-tag{padding:4px 11px;border:1px solid var(--line);border-radius:5px;background:#fff;transition:all var(--ease)}
        .quick-tag:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
        .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:28px}
        .news-list{border-top:1px solid var(--line)}
        .news-item{display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
        .news-date{width:62px;flex:none;color:var(--primary);font-size:13px;font-weight:700}
        .news-item h3{font-size:18px;line-height:1.4}
        .news-item p{margin-top:5px;color:var(--muted);font-size:14px}
        .news-item i{margin-left:auto;color:#9aa6b7}
        .news-item:hover h3{color:var(--primary)}
        .news-feature{padding:28px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);min-height:286px;display:flex;flex-direction:column;justify-content:space-between}
        .news-feature .eyebrow{color:#8fc4ff}.news-feature .eyebrow::before{background:var(--orange)}
        .news-feature h3{font-size:25px;line-height:1.4;margin-top:18px}
        .news-feature p{color:#c3ccda;font-size:14px}
        .feature-link{display:inline-flex;align-items:center;gap:8px;color:#a9d1ff;font-weight:700;font-size:14px}
        .service-intro{display:grid;grid-template-columns:220px 1fr;gap:48px}
        .service-index{color:var(--muted);font-size:14px}
        .service-index strong{display:block;color:var(--primary);font-size:46px;line-height:1;margin-bottom:12px}
        .service-index span{display:block;max-width:150px}
        .service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
        .service-card{display:grid;grid-template-columns:145px 1fr;min-height:190px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:all var(--ease)}
        .service-card:nth-child(2){transform:translateY(24px)}
        .service-card:hover{transform:translateY(-3px);border-color:#9fc5f5;box-shadow:var(--shadow-hover)}
        .service-card:nth-child(2):hover{transform:translateY(20px)}
        .service-card img{width:100%;height:100%;object-fit:cover}
        .service-body{padding:20px}
        .service-body h3{font-size:19px;line-height:1.4;margin:13px 0 8px}
        .service-body p{color:var(--muted);font-size:13px;line-height:1.7}
        .service-meta{display:flex;align-items:center;justify-content:space-between;margin-top:13px;color:#8490a2;font-size:12px}
        .service-meta i{color:var(--primary)}
        .metric-band{padding:43px 0;background:#eef5fc;border-top:1px solid #e0ebf7;border-bottom:1px solid #e0ebf7}
        .metrics{display:grid;grid-template-columns:repeat(4,1fr)}
        .metric{padding:0 30px;border-right:1px solid #ccdcec}
        .metric:first-child{padding-left:0}
        .metric:last-child{border-right:0}
        .metric strong{display:block;color:var(--primary);font-size:38px;line-height:1.15}
        .metric span{display:block;margin-top:7px;color:var(--muted);font-size:14px}
        .app-section{background:#fff}
        .app-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:68px;align-items:center}
        .app-card{position:relative;min-height:345px;padding:34px;border-radius:14px;background:#eaf4ff;overflow:hidden}
        .app-card::before,.app-card::after{content:"";position:absolute;border-radius:50%;background:rgba(18,168,157,.12)}
        .app-card::before{width:260px;height:260px;right:-80px;top:-85px}
        .app-card::after{width:180px;height:180px;left:-70px;bottom:-80px;background:rgba(23,105,224,.1)}
        .app-card-content{position:relative;z-index:1}
        .app-card h3{max-width:260px;font-size:27px;line-height:1.4}
        .app-card p{max-width:270px;margin-top:15px;color:var(--muted);font-size:14px}
        .device-row{display:flex;gap:10px;margin-top:30px}
        .device-tag{padding:8px 12px;color:var(--primary);background:#fff;border:1px solid #c9def5;border-radius:5px;font-size:13px;font-weight:700}
        .app-copy h2{font-size:35px;line-height:1.3;margin:12px 0 15px}
        .app-copy>p{color:var(--muted);font-size:17px}
        .app-list{display:grid;gap:18px;margin-top:27px}
        .app-list li{display:flex;gap:13px;align-items:flex-start}
        .app-list i{width:28px;height:28px;display:grid;place-items:center;flex:none;color:var(--teal);background:#e6f8f5;border-radius:6px;font-size:13px}
        .app-list strong{display:block;font-size:16px}
        .app-list span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
        .faq-section{background:var(--light)}
        .faq-wrap{max-width:860px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px;box-shadow:0 4px 14px rgba(24,32,51,.03)}
        .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;text-align:left;color:var(--ink);font-weight:700}
        .faq-question i{color:var(--primary);transition:transform var(--ease)}
        .faq-answer{display:none;padding:0 22px 21px;color:var(--muted);font-size:15px;line-height:1.8}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question i{transform:rotate(45deg)}
        .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
        .about-copy h2{font-size:35px;line-height:1.3;margin:12px 0 16px}
        .about-copy p{color:var(--muted);font-size:17px}
        .about-points{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
        .about-point{padding:22px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}
        .about-point b{display:block;color:var(--primary);font-size:24px}
        .about-point span{display:block;margin-top:7px;color:var(--muted);font-size:14px;line-height:1.6}
        .cta-section{padding:62px 0;background:var(--primary);color:#fff}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-inner h2{font-size:31px;line-height:1.35}
        .cta-inner p{margin-top:8px;color:#d7e8ff;font-size:15px}
        .cta-inner .btn{background:#fff;color:var(--primary)}
        .cta-inner .btn:hover{background:#edf5ff}
        .site-footer{padding:54px 0 25px;background:#f0f4f9;border-top:1px solid var(--line)}
        .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
        .footer-brand p{max-width:270px;color:var(--muted);font-size:14px;margin-top:15px}
        .footer-col h3{font-size:14px;margin-bottom:14px}
        .footer-col a{display:block;width:max-content;color:var(--muted);font-size:14px;padding:4px 0;transition:color var(--ease)}
        .footer-col a:hover{color:var(--primary)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid var(--line);color:#8792a3;font-size:12px}
        .footer-bottom a{color:#687589}
        .age-note{display:inline-flex;align-items:center;gap:7px;color:#9b5949}
        @media(max-width:1200px){.hero-grid{gap:42px}.visual-note{right:12px}.container{width:min(var(--container),calc(100% - 40px))}}
        @media(max-width:992px){
            .main-nav{gap:16px}
            .search-box{width:170px}
            .hero-grid{grid-template-columns:1fr;min-height:0}
            .hero-copy{max-width:760px}
            .hero-image{max-height:480px}
            .service-intro{grid-template-columns:1fr;gap:25px}
            .service-index span{max-width:500px}
            .app-grid,.about-grid{gap:40px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 36px,var(--container))}
            .section{padding:70px 0}
            .section-head{margin-bottom:30px}
            .section-head h2,.app-copy h2,.about-copy h2{font-size:30px}
            .nav-wrap{height:64px;gap:12px}
            .main-nav,.nav-tools .search-box,.nav-tools .btn{display:none}
            .nav-tools{margin-left:auto;gap:2px}
            .mobile-search,.menu-toggle{display:grid}
            .menu-toggle{font-size:18px}
            .mobile-panel{position:fixed;inset:64px 0 0;background:#fff;padding:20px 18px;transform:translateX(100%);transition:transform var(--ease);z-index:49;box-shadow:-8px 0 25px rgba(24,32,51,.1)}
            body.menu-open .mobile-panel{transform:translateX(0)}
            .mobile-panel .nav-link{display:block;padding:14px 4px;border-bottom:1px solid var(--line)}
            .mobile-panel .nav-link::after{display:none}
            .hero{padding:58px 0 36px}
            .hero-copy h1{font-size:38px}
            .hero-copy p{font-size:16px}
            .hero-points{gap:18px;flex-wrap:wrap}
            .quick-strip{align-items:flex-start;flex-direction:column;gap:10px}
            .news-layout,.app-grid,.about-grid{grid-template-columns:1fr}
            .news-feature{min-height:230px}
            .service-grid{grid-template-columns:1fr}
            .service-card:nth-child(2){transform:none}
            .service-card:nth-child(2):hover{transform:translateY(-3px)}
            .metrics{grid-template-columns:repeat(2,1fr);gap:25px 0}
            .metric{padding:0 20px;border-right:1px solid #ccdcec}
            .metric:nth-child(2){border-right:0}
            .metric:nth-child(-n+2){padding-bottom:22px;border-bottom:1px solid #ccdcec}
            .metric:nth-child(3){padding-left:0;padding-top:22px}
            .app-card{min-height:280px}
            .cta-inner{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
        }
        @media(max-width:576px){
            .container{width:calc(100% - 32px)}
            .hero-copy h1{font-size:32px}
            .hero-actions .btn{width:100%}
            .hero-image{aspect-ratio:1/1}
            .visual-note{right:10px;bottom:14px;max-width:190px;padding:12px}
            .news-item{gap:10px}
            .news-date{width:54px;font-size:12px}
            .news-item h3{font-size:16px}
            .news-item p{font-size:13px}
            .service-card{grid-template-columns:110px 1fr}
            .service-body{padding:15px}
            .service-body h3{font-size:17px}
            .about-points{grid-template-columns:1fr}
            .footer-grid{grid-template-columns:1fr}
            .footer-bottom{align-items:flex-start;flex-direction:column}
        }
        @media(prefers-reduced-motion:reduce){
            *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important}
        }

/* roulang page: category1 */
:root{
 --primary:#1769e0;
 --primary-dark:#0e4fae;
 --primary-soft:#eaf3ff;
 --teal:#12a89d;
 --orange:#f2765b;
 --ink:#182033;
 --muted:#667085;
 --light:#f5f8fc;
 --white:#fff;
 --line:#dfe7f2;
 --line-dark:#c8d5e6;
 --radius:8px;
 --radius-lg:16px;
 --shadow:0 10px 28px rgba(24,32,51,.07);
 --shadow-hover:0 16px 34px rgba(23,105,224,.14);
 --container:1200px;
 --ease:220ms ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--white);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.78;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{border:0;background:none;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.04em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--teal)}
.btn{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 21px;border-radius:7px;font-weight:700;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.nav-link:focus-visible,.icon-btn:focus-visible,.faq-question:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(23,105,224,.25);outline-offset:3px}
.btn-primary{color:#fff;background:var(--primary);box-shadow:0 7px 16px rgba(23,105,224,.18)}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 10px 22px rgba(23,105,224,.24)}
.btn-secondary{color:var(--primary);background:#fff;border:1px solid var(--primary)}
.btn-secondary:hover{background:var(--primary-soft)}
.btn-light{color:var(--ink);background:#fff;border:1px solid var(--line)}
.btn-light:hover{border-color:var(--primary);color:var(--primary)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 3px 14px rgba(24,32,51,.04)}
.nav-wrap{height:70px;display:flex;align-items:center;gap:34px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:19px;font-weight:800;letter-spacing:-.03em}
.brand-mark{width:28px;height:28px;display:grid;place-items:center;color:#fff;background:var(--primary);border-radius:7px;transform:rotate(-8deg)}
.brand-mark i{transform:rotate(8deg);font-size:13px}
.main-nav{display:flex;align-items:center;gap:24px}
.nav-link{position:relative;color:#566176;font-size:14px;font-weight:600;padding:22px 0}
.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:13px;height:2px;background:var(--primary);transform:scaleX(0);transition:transform var(--ease)}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{height:40px;width:210px;display:flex;align-items:center;gap:9px;padding:0 12px;color:var(--muted);background:var(--light);border:1px solid transparent;border-radius:6px;transition:border-color var(--ease),background var(--ease)}
.search-box:focus-within{background:#fff;border-color:var(--primary)}
.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}
.search-box input::placeholder{color:#8b96a8}
.menu-toggle,.mobile-search{display:none;width:44px;height:44px;place-items:center;color:var(--ink);border-radius:6px}
.menu-toggle:hover,.mobile-search:hover{background:var(--primary-soft);color:var(--primary)}
.page-intro{padding:66px 0 52px;background:linear-gradient(180deg,#f8fbff 0%,#fff 100%)}
.intro-grid{display:grid;grid-template-columns:1fr 390px;gap:70px;align-items:center}
.page-intro h1{max-width:680px;margin:15px 0 17px;font-size:46px;line-height:1.22;letter-spacing:-.04em}
.page-intro h1 span{color:var(--primary)}
.page-intro p{max-width:650px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.intro-visual{position:relative;aspect-ratio:1.4/1;overflow:hidden;border-radius:14px;background:#dbe8f6;box-shadow:var(--shadow-hover)}
.intro-visual img{width:100%;height:100%;object-fit:cover}
.intro-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(23,105,224,.04),rgba(18,168,157,.2))}
.visual-note{position:absolute;z-index:2;right:18px;bottom:18px;padding:12px 15px;background:#fff;border-left:3px solid var(--teal);box-shadow:var(--shadow);font-size:13px;font-weight:700}
.filter-section{padding:26px 0 30px;background:#fff;border-bottom:1px solid var(--line)}
.filter-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.filter-label{color:var(--muted);font-size:13px;font-weight:700}
.filter-tags{display:flex;gap:7px;flex-wrap:wrap}
.filter-tag{padding:7px 13px;border:1px solid var(--line);border-radius:5px;background:#fff;color:#596579;font-size:13px;transition:all var(--ease)}
.filter-tag:hover,.filter-tag.active{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.sort-select{height:38px;margin-left:auto;padding:0 32px 0 12px;border:1px solid var(--line);border-radius:6px;color:var(--ink);background:#fff}
.filter-search{height:38px;width:190px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:6px;color:var(--muted)}
.filter-search input{width:100%;border:0;outline:0;color:var(--ink);background:transparent;font-size:13px}
.content-section{padding:76px 0 96px}
.section-head{max-width:700px;margin-bottom:34px}
.section-head h2{margin:11px 0 12px;font-size:34px;line-height:1.28;letter-spacing:-.025em}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.featured{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;margin-bottom:30px}
.feature-card,.topic-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.feature-card:hover,.topic-card:hover{transform:translateY(-4px);border-color:#b8d2f6;box-shadow:var(--shadow-hover)}
.feature-media{aspect-ratio:1.75/1;overflow:hidden;background:#dce8f5}
.feature-media img,.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.feature-card:hover img,.topic-card:hover img{transform:scale(1.035)}
.feature-body{padding:25px 28px 27px}
.topic-body{padding:18px 20px 21px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:5px;background:#fff;color:var(--ink);font-size:12px;font-weight:700}
.badge-blue{color:var(--primary);background:#edf5ff}
.badge-teal{color:#087e76;background:#e7f8f5}
.badge-orange{color:#a94c39;background:#fff0ec}
.feature-body h3{margin:13px 0 9px;font-size:25px;line-height:1.4}
.topic-body h3{min-height:56px;margin:10px 0 7px;font-size:19px;line-height:1.45}
.feature-body p,.topic-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:15px;border-top:1px solid var(--line);color:#7b8798;font-size:12px}
.meta-row strong{color:var(--primary);font-weight:700}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{display:grid;grid-template-columns:190px 1fr;min-height:188px}
.topic-media{overflow:hidden;background:#dce8f5}
.topic-body{display:flex;flex-direction:column}
.topic-body .meta-row{margin-top:auto}
.empty-state{display:none;padding:25px;border:1px dashed var(--line-dark);color:var(--muted);text-align:center}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:46px}
.page-btn{min-width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;color:var(--muted);background:#fff;transition:all var(--ease)}
.page-btn:hover,.page-btn.current{color:#fff;border-color:var(--primary);background:var(--primary)}
.page-btn.disabled{color:#b2bcc9;background:var(--light);cursor:not-allowed}
.related{padding:78px 0;background:var(--light)}
.related-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.related-panel{padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
.related-panel h2{margin:0 0 12px;font-size:25px}
.related-panel p{margin:0 0 20px;color:var(--muted);font-size:14px}
.quick-tags{display:flex;gap:8px;flex-wrap:wrap}
.quick-tag{padding:7px 12px;border:1px solid var(--line);border-radius:5px;background:#fff;color:#596579;font-size:13px;transition:all var(--ease)}
.quick-tag:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;text-align:left;color:var(--ink);font-weight:700}
.faq-question i{color:var(--primary);transition:transform var(--ease)}
.faq-answer{display:none;padding:0 42px 20px 0;color:var(--muted);font-size:14px;line-height:1.8}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question i{transform:rotate(45deg)}
.cta-section{padding:64px 0;background:var(--primary-soft)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-box h2{margin:0 0 8px;font-size:30px;line-height:1.35}
.cta-box p{margin:0;color:var(--muted)}
.site-footer{padding:58px 0 22px;background:#f0f4f9;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:35px}
.footer-brand p{max-width:280px;margin:15px 0 0;color:var(--muted);font-size:13px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.footer-col h3{margin:0 0 8px;font-size:15px}
.footer-col a{color:var(--muted);font-size:13px;transition:color var(--ease)}
.footer-col a:hover{color:var(--primary)}
.age-note{display:inline-flex;gap:7px;align-items:center;margin-top:8px;color:#a94c39;font-size:12px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:19px;border-top:1px solid var(--line-dark);color:#7b8798;font-size:12px}
@media(max-width:1100px){
 .intro-grid{gap:40px}.topic-card{grid-template-columns:155px 1fr}
}
@media(max-width:992px){
 .nav-wrap{gap:22px}.main-nav{gap:16px}
 .search-box{width:170px}
 .intro-grid{grid-template-columns:1fr 330px}
 .page-intro h1{font-size:42px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 40px))}
 .nav-wrap{height:64px;justify-content:space-between}
 .main-nav{position:fixed;top:64px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:13px 20px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
 body.menu-open .main-nav{display:flex}
 .nav-link{padding:13px 3px;border-bottom:1px solid var(--line)}
 .nav-link:after{bottom:0}
 .nav-tools{margin-left:0;gap:5px}
 .nav-tools .search-box{display:none}
 .mobile-search,.menu-toggle{display:grid}
 .menu-toggle{order:3}
 .intro-grid{grid-template-columns:1fr;gap:30px}
 .page-intro{padding:54px 0 42px}
 .page-intro h1{font-size:36px}
 .intro-visual{max-width:560px}
 .filter-bar{align-items:flex-start}
 .sort-select{margin-left:0}
 .filter-search{flex:1;min-width:180px}
 .content-section{padding:60px 0 72px}
 .featured,.related-layout{grid-template-columns:1fr}
 .topic-grid{grid-template-columns:1fr}
 .topic-card{grid-template-columns:190px 1fr}
 .cta-box{align-items:flex-start;flex-direction:column}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-bottom{flex-direction:column;gap:7px}
}
@media(max-width:576px){
 .container{width:calc(100% - 32px)}
 .brand{font-size:17px}.brand-mark{width:26px;height:26px}
 .page-intro h1{font-size:32px}
 .page-intro p{font-size:15px}
 .intro-visual{aspect-ratio:1.35/1}
 .filter-section{padding:20px 0}
 .filter-search{order:4;flex-basis:100%;width:100%}
 .sort-select{width:100%}
 .section-head h2{font-size:28px}
 .feature-body{padding:21px}
 .feature-body h3{font-size:21px}
 .topic-card{display:block}
 .topic-media{aspect-ratio:1.7/1}
 .topic-body h3{min-height:auto}
 .pagination{margin-top:34px}
 .related-panel{padding:23px}
 .footer-grid{grid-template-columns:1fr;gap:25px}
 .footer-bottom{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}