/* roulang page: index */
:root{
            --lime:#c9f24b;
            --lime-dark:#9ecb27;
            --green:#173f32;
            --green-2:#245b43;
            --charcoal:#202a26;
            --cream:#fbf8ef;
            --sand:#f1ead8;
            --mist:#e8eee4;
            --coral:#ef8660;
            --yellow:#f5c64d;
            --muted:#718078;
            --line:#dce4d8;
            --radius-lg:30px;
            --radius-md:20px;
            --shadow:0 18px 45px rgba(28,58,42,.10);
            --container:1220px;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--cream);color:var(--charcoal);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7;font-size:16px}
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input,select,textarea{font:inherit}
        .container{max-width:var(--container);padding-left:22px;padding-right:22px}
        .site-header{position:relative;background:var(--cream);border-bottom:1px solid var(--line);z-index:10}
        .nav-shell{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;color:var(--green);font-size:1.18rem;letter-spacing:-.03em;white-space:nowrap}
        .brand-mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--green);background:linear-gradient(135deg,var(--lime),#66b85e);font-weight:900;font-size:.85rem;box-shadow:inset 0 0 0 5px rgba(255,255,255,.34)}
        .nav-menu{display:flex;align-items:center;gap:8px}
        .nav-link{padding:10px 15px;border-radius:999px;color:#456056;font-size:.94rem;transition:.25s ease}
        .nav-link:hover,.nav-link:focus{background:#edf4dc;color:var(--green)}
        .nav-link.active{background:var(--lime);color:var(--green);font-weight:700}
        .nav-cta{padding:12px 19px;border-radius:999px;background:var(--green);color:#fff;font-weight:700;transition:.25s ease}
        .nav-cta:hover,.nav-cta:focus{background:var(--green-2);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,63,50,.18)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--green);border-radius:12px;padding:8px 11px}
        .status-line{height:4px;background:linear-gradient(90deg,var(--lime) 0 43%,var(--green) 43% 78%,var(--coral) 78%)}
        .hero{padding:78px 0 54px;position:relative;overflow:hidden;background:linear-gradient(115deg,var(--cream) 0%,#f8f1dc 58%,#e2f0c9 100%)}
        .hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(36,91,67,.16);border-radius:50%;right:-130px;top:-180px;box-shadow:0 0 0 28px rgba(201,242,75,.10),0 0 0 58px rgba(201,242,75,.07)}
        .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 12px;font-size:.78rem;font-weight:800;letter-spacing:.04em}
        .eyebrow{background:var(--green);color:var(--lime)}
        .hero h1{font-size:clamp(2.5rem,5vw,5rem);line-height:1.1;letter-spacing:-.07em;color:var(--green);max-width:760px;margin:20px 0 18px;font-weight:800}
        .hero-copy{max-width:660px;color:#52665b;font-size:1.08rem}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
        .btn-brand,.btn-soft{display:inline-flex;align-items:center;justify-content:center;border-radius:13px;padding:13px 21px;font-weight:800;transition:.25s ease;border:0}
        .btn-brand{background:var(--lime);color:var(--green)}
        .btn-brand:hover,.btn-brand:focus{background:var(--lime-dark);color:var(--green);transform:translateY(-2px);box-shadow:0 10px 20px rgba(132,168,30,.25)}
        .btn-soft{background:#fff;color:var(--green);border:1px solid var(--line)}
        .btn-soft:hover,.btn-soft:focus{background:#edf4dc;color:var(--green);border-color:#b9d68d;transform:translateY(-2px)}
        .hero-points{display:flex;gap:24px;margin-top:30px;flex-wrap:wrap;color:var(--green);font-size:.9rem}
        .hero-points strong{font-size:1.35rem;display:block;line-height:1.2}
        .scoreboard{position:relative;z-index:1;margin-top:46px;background:var(--green);border-radius:var(--radius-lg);padding:28px;color:#fff;box-shadow:var(--shadow)}
        .scoreboard-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
        .scoreboard-top span{color:#b8c9bc;font-size:.85rem}
        .live-dot{width:9px;height:9px;background:var(--lime);display:inline-block;border-radius:50%;margin-right:7px}
        .stat-main{background:linear-gradient(135deg,#2d7453,#173f32);border-radius:22px;padding:24px;height:100%}
        .stat-main .number{font-size:3.7rem;line-height:1;font-weight:800;color:var(--lime)}
        .stat-small{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:18px;height:100%}
        .stat-small b{display:block;font-size:1.8rem;color:#fff}
        .stat-label{font-size:.82rem;color:#b8c9bc}
        .section{padding:100px 0}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px}
        .section-kicker{color:var(--green-2);font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
        .section h2{color:var(--green);font-size:clamp(1.9rem,3vw,3rem);line-height:1.2;letter-spacing:-.05em;margin:8px 0 0;font-weight:800}
        .section-intro{max-width:570px;color:var(--muted);margin:0}
        .matrix-main{background:var(--green);color:#fff;border-radius:var(--radius-lg);padding:34px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between;transition:.25s ease}
        .matrix-main:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .matrix-main h3{font-size:2rem;line-height:1.25;margin:20px 0 12px}
        .tag{background:var(--lime);color:var(--green)}
        .matrix-main p{color:#c1d2c2;max-width:450px}
        .matrix-link{font-weight:800;color:var(--lime)}
        .matrix-side{display:grid;grid-template-rows:1fr 1fr;gap:18px}
        .entry-card{padding:26px;border-radius:22px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;transition:.25s ease;min-height:140px}
        .entry-card:nth-child(2){background:#eaf3d6}
        .entry-card:hover{border-color:var(--lime-dark);transform:translateY(-4px);box-shadow:var(--shadow)}
        .entry-card h3{font-size:1.2rem;color:var(--green);margin:14px 0 7px}
        .entry-card p{font-size:.9rem;color:var(--muted);margin:0}
        .arrow{font-size:1.4rem;color:var(--green);align-self:flex-end}
        .comparison{background:var(--sand)}
        .compare-wrap{display:grid;grid-template-columns:1fr 70px 1fr;align-items:stretch;gap:18px}
        .compare-card{border-radius:26px;padding:30px}
        .compare-card.before{background:#fff;color:#59665e}
        .compare-card.after{background:var(--green);color:#fff}
        .compare-card h3{margin:0 0 20px;color:var(--green);font-size:1.35rem}
        .after h3{color:var(--lime)}
        .compare-list{list-style:none;margin:0;padding:0}
        .compare-list li{padding:12px 0;border-bottom:1px solid rgba(96,119,103,.18);font-size:.94rem}
        .after .compare-list li{border-color:rgba(255,255,255,.14);color:#d0ded0}
        .compare-mark{align-self:center;width:62px;height:62px;background:var(--lime);color:var(--green);border-radius:50%;display:grid;place-items:center;font-size:1.6rem;font-weight:800}
        .insight-band{padding:35px;background:linear-gradient(120deg,#dff1ae,#f6e3b9);border-radius:var(--radius-lg);display:flex;justify-content:space-between;align-items:center;gap:25px}
        .insight-band h3{margin:0;color:var(--green);font-size:1.6rem}
        .insight-band p{margin:6px 0 0;color:#53665a}
        .insight-list{margin-top:28px;border-top:1px solid var(--line)}
        .insight-item{display:flex;align-items:center;gap:18px;padding:20px 5px;border-bottom:1px solid var(--line);transition:.2s ease}
        .insight-item:hover{padding-left:12px;background:#f3f6eb}
        .insight-index{font-weight:800;color:var(--coral);font-size:1.2rem;width:32px}
        .insight-item h3{font-size:1rem;margin:0;color:var(--green)}
        .insight-item p{margin:3px 0 0;color:var(--muted);font-size:.88rem}
        .faq-section{background:#f3f6eb}
        .faq-intro{background:var(--green);border-radius:25px;padding:30px;color:#fff;height:100%}
        .faq-number{font-size:4.5rem;line-height:1;color:var(--lime);font-weight:800}
        .faq-intro h3{margin:20px 0 10px;font-size:1.45rem}
        .faq-intro p{color:#c5d6c5;margin:0}
        .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
        .accordion-button{background:transparent!important;color:var(--green);font-weight:800;padding:20px 4px;box-shadow:none!important}
        .accordion-button:after{background-image:none;content:"+";font-size:1.4rem;color:var(--green);font-weight:400}
        .accordion-button:not(.collapsed):after{content:"−"}
        .accordion-body{padding:0 30px 20px 4px;color:var(--muted);font-size:.94rem}
        .contact-section{padding-top:85px}
        .contact-shell{background:var(--green);border-radius:var(--radius-lg);padding:42px;color:#fff}
        .contact-shell h2{color:#fff;margin-top:8px}
        .contact-shell .section-intro{color:#c5d6c5}
        .contact-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
        .contact-badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:15px;padding:12px 15px;color:#e3eee0;font-size:.85rem}
        .contact-form{background:#fff;border-radius:24px;padding:28px;color:var(--charcoal)}
        .form-label{font-size:.86rem;font-weight:700;color:var(--green);margin-bottom:6px}
        .form-control,.form-select{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fbfcf7}
        .form-control:focus,.form-select:focus{border-color:var(--lime-dark);box-shadow:0 0 0 4px rgba(201,242,75,.24);background:#fff}
        textarea.form-control{min-height:115px;resize:vertical}
        .form-note{color:var(--muted);font-size:.77rem;margin-top:10px}
        footer{background:#122e26;color:#d9e5d5;padding:62px 0 25px;margin-top:100px}
        .footer-brand{color:#fff;font-size:1.15rem;font-weight:800}
        footer p{color:#a9bcaa;font-size:.9rem;margin-top:15px;max-width:300px}
        .footer-title{color:var(--lime);font-size:.85rem;font-weight:800;margin-bottom:15px}
        .footer-link{display:block;color:#c5d4c5;font-size:.9rem;margin:9px 0;transition:.2s}
        .footer-link:hover{color:var(--lime);padding-left:4px}
        .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:20px;color:#90a895;font-size:.8rem}
        :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
        @media(max-width:991px){
            .nav-menu{gap:2px}.nav-link{padding:9px 10px}.nav-cta{padding:10px 14px}
            .hero{padding-top:58px}.section{padding:75px 0}
        }
        @media(max-width:767px){
            .nav-shell{min-height:72px}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;left:18px;right:18px;top:76px;background:#fff;padding:16px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-menu.show{display:flex}.nav-link,.nav-cta{text-align:center;display:block;margin:3px 0}
            .hero{padding:54px 0 35px}.hero h1{font-size:2.65rem}.hero-points{gap:16px}.scoreboard{margin-top:35px;padding:22px}.stat-main{min-height:180px}.section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:14px}
            .matrix-side{margin-top:18px}.compare-wrap{grid-template-columns:1fr;gap:12px}.compare-mark{margin:auto;transform:rotate(90deg)}.insight-band{display:block;padding:26px}.insight-band .btn-brand{margin-top:20px}.contact-shell{padding:25px 18px}.contact-form{margin-top:25px;padding:22px}footer{margin-top:65px;padding-top:45px}
        }
        @media(max-width:520px){.brand{font-size:.98rem}.brand-mark{width:33px;height:33px}.hero h1{font-size:2.25rem}.hero-actions .btn-brand,.hero-actions .btn-soft{width:100%}.scoreboard-top{display:block}.scoreboard-top span{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
 --lime:#c9f24b;
 --lime-dark:#9ecb27;
 --green:#173f32;
 --green-2:#245b43;
 --charcoal:#202a26;
 --cream:#fbf8ef;
 --sand:#f1ead8;
 --mist:#e8eee4;
 --coral:#ef8660;
 --yellow:#f5c64d;
 --muted:#718078;
 --line:#dce4d8;
 --radius-lg:30px;
 --radius-md:20px;
 --shadow:0 18px 45px rgba(28,58,42,.10);
 --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--charcoal);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{max-width:var(--container);padding-left:22px;padding-right:22px}
.site-header{position:relative;background:var(--cream);border-bottom:1px solid var(--line);z-index:20}
.nav-shell{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;color:var(--green);font-size:1.18rem;letter-spacing:-.03em;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--green);background:linear-gradient(135deg,var(--lime),#66b85e);font-weight:900;font-size:.85rem;box-shadow:inset 0 0 0 5px rgba(255,255,255,.34)}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-link{padding:10px 15px;border-radius:999px;color:#456056;font-size:.94rem;transition:.25s ease}
.nav-link:hover,.nav-link:focus{background:#edf4dc;color:var(--green)}
.nav-link.active{background:var(--lime);color:var(--green);font-weight:700}
.nav-cta{padding:12px 19px;border-radius:999px;background:var(--green);color:#fff;font-weight:700;transition:.25s ease}
.nav-cta:hover,.nav-cta:focus{background:var(--green-2);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(23,63,50,.18)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--green);border-radius:12px;padding:8px 11px}
.breadcrumb-wrap{padding-top:26px}
.breadcrumb{margin:0;font-size:.86rem;color:var(--muted)}
.breadcrumb a{color:var(--green-2);font-weight:700}
.category-hero{padding:40px 0 84px;background:linear-gradient(120deg,var(--cream),#f5eedc 60%,#e3f0ce)}
.category-hero h1{font-size:clamp(2.2rem,5vw,4.8rem);line-height:1.12;letter-spacing:-.065em;color:var(--green);font-weight:800;margin:20px 0 18px}
.hero-copy{max-width:680px;color:#596c60;font-size:1.08rem}
.tag,.status-badge,.filter-btn{display:inline-flex;align-items:center;border-radius:999px;font-size:.78rem;font-weight:800}
.tag{padding:6px 12px;background:var(--lime);color:var(--green)}
.status-badge{padding:5px 10px;background:#edf4dc;color:var(--green-2)}
.hero-side{background:var(--green);border-radius:var(--radius-lg);padding:30px;color:#fff;min-height:245px;position:relative;overflow:hidden}
.hero-side:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(201,242,75,.35);border-radius:50%;right:-50px;bottom:-70px;box-shadow:0 0 0 22px rgba(201,242,75,.08)}
.hero-side .number{font-size:4.2rem;line-height:1;color:var(--lime);font-weight:800}
.hero-side p{color:#c5d8c7;max-width:310px;margin:14px 0 0}
.section{padding:92px 0}
.section-soft{background:#f1f5eb}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-kicker{color:var(--green-2);font-size:.8rem;font-weight:800;letter-spacing:.12em}
.section h2{color:var(--green);font-size:clamp(1.9rem,3vw,3rem);line-height:1.2;letter-spacing:-.05em;margin:8px 0 0;font-weight:800}
.section-intro{max-width:570px;color:var(--muted);margin:0}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:18px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 8px 24px rgba(28,58,42,.05)}
.filter-label{font-size:.85rem;color:var(--muted);font-weight:700;margin-right:5px}
.filter-btn{padding:9px 16px;border:1px solid var(--line);background:var(--cream);color:#52655b;transition:.2s ease}
.filter-btn:hover,.filter-btn:focus{border-color:var(--lime-dark);color:var(--green);background:#edf4dc}
.filter-btn.active{background:var(--lime);border-color:var(--lime);color:var(--green)}
.feature-banner{background:linear-gradient(135deg,#285f46,var(--green));color:#fff;border-radius:var(--radius-lg);padding:38px;position:relative;overflow:hidden}
.feature-banner:before{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(201,242,75,.3);border-radius:50%;right:8%;top:-190px;box-shadow:0 0 0 24px rgba(201,242,75,.07),0 0 0 50px rgba(201,242,75,.05)}
.feature-banner h2{color:#fff;margin:18px 0 12px;max-width:600px;font-size:clamp(1.8rem,3vw,3rem);line-height:1.25}
.feature-banner p{color:#c8d9c9;max-width:600px}
.btn-brand,.btn-soft{display:inline-flex;align-items:center;justify-content:center;border-radius:13px;padding:13px 21px;font-weight:800;transition:.25s ease;border:0}
.btn-brand{background:var(--lime);color:var(--green)}
.btn-brand:hover,.btn-brand:focus{background:var(--lime-dark);color:var(--green);transform:translateY(-2px);box-shadow:0 10px 20px rgba(132,168,30,.25)}
.btn-soft{background:#fff;color:var(--green);border:1px solid var(--line)}
.btn-soft:hover,.btn-soft:focus{background:#edf4dc;color:var(--green);border-color:#b9d68d;transform:translateY(-2px)}
.data-orbit{min-height:220px;display:flex;align-items:center;justify-content:center;position:relative}
.orbit-ring{width:185px;height:185px;border-radius:50%;border:12px solid rgba(201,242,75,.25);border-top-color:var(--lime);border-right-color:var(--lime);display:grid;place-items:center;transform:rotate(-25deg)}
.orbit-core{transform:rotate(25deg);text-align:center}
.orbit-core strong{font-size:2.4rem;color:var(--lime);display:block;line-height:1}
.orbit-core span{font-size:.82rem;color:#d2e1c9}
.content-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:32px}
.index-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:23px;position:sticky;top:22px;height:max-content}
.index-card h3{font-size:1.08rem;color:var(--green);margin:0 0 14px}
.index-list{list-style:none;padding:0;margin:0}
.index-list li{border-bottom:1px solid var(--line)}
.index-list a{display:flex;justify-content:space-between;gap:10px;padding:13px 0;color:#5a6c61;font-size:.9rem;transition:.2s ease}
.index-list a:hover,.index-list a:focus{color:var(--green);padding-left:5px}
.index-list b{color:var(--green-2)}
.content-list{display:flex;flex-direction:column;gap:16px}
.content-item{display:grid;grid-template-columns:110px minmax(0,1fr) 42px;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px 24px;transition:.25s ease}
.content-item:nth-child(even){background:#f7f9f1}
.content-item:hover{transform:translateX(5px);border-color:#b4d36d;box-shadow:var(--shadow)}
.content-index{font-size:2rem;font-weight:800;color:#a9bcaa}
.content-item h3{font-size:1.2rem;color:var(--green);margin:10px 0 5px}
.content-item p{margin:0;color:var(--muted);font-size:.92rem}
.item-arrow{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--green);font-weight:900}
.pagination-wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:30px}
.page-note{color:var(--muted);font-size:.88rem}
.pagination{gap:7px;margin:0}
.page-link{border:0!important;border-radius:12px!important;background:#fff;color:var(--green);padding:9px 14px;box-shadow:none!important}
.page-link:hover,.page-link:focus{background:#edf4dc;color:var(--green)}
.page-item.active .page-link{background:var(--lime);color:var(--green);font-weight:800}
.faq-section{background:#f3f6eb}
.faq-intro{background:var(--green);border-radius:25px;padding:30px;color:#fff;height:100%}
.faq-number{font-size:4.5rem;line-height:1;color:var(--lime);font-weight:800}
.faq-intro h3{margin:20px 0 10px;font-size:1.45rem}
.faq-intro p{color:#c5d6c5;margin:0}
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-bg:transparent}
.accordion-item{background:#fff;border:1px solid var(--line)!important;border-radius:18px!important;margin-bottom:12px;overflow:hidden}
.accordion-button{background:#fff!important;color:var(--green)!important;font-weight:800;padding:20px 22px;box-shadow:none!important}
.accordion-button:not(.collapsed){background:#edf4dc!important}
.accordion-button:after{background-size:14px}
.accordion-body{padding:0 22px 21px;color:var(--muted);font-size:.94rem}
.mini-cta{padding:62px 0}
.cta-box{background:var(--sand);border-radius:var(--radius-lg);padding:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-box h2{color:var(--green);font-size:clamp(1.7rem,3vw,2.6rem);margin:0 0 9px}
.cta-box p{color:var(--muted);margin:0;max-width:650px}
footer{background:var(--green);color:#fff;padding:62px 0 24px}
.footer-brand{font-size:1.3rem;font-weight:800;color:var(--lime);margin-bottom:12px}
footer p{color:#c3d3c4;max-width:430px;margin:0}
.footer-title{font-weight:800;color:#fff;margin-bottom:15px}
.footer-link{display:block;color:#c3d3c4;font-size:.92rem;margin:9px 0;transition:.2s ease}
.footer-link:hover,.footer-link:focus{color:var(--lime);padding-left:4px}
.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:20px;color:#a9c0ad;font-size:.82rem}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
@media(max-width:992px){
 .content-layout{grid-template-columns:210px minmax(0,1fr)}
 .nav-shell{gap:12px}
 .nav-menu{gap:2px}
 .nav-link{padding:9px 11px}
 .nav-cta{padding:10px 14px}
}
@media(max-width:768px){
 .nav-shell{min-height:72px}
 .brand{font-size:1rem}
 .brand-mark{width:34px;height:34px}
 .menu-toggle{display:block}
 .nav-menu{display:none;position:absolute;left:18px;right:18px;top:79px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-menu.open{display:flex}
 .nav-link,.nav-cta{text-align:center;width:100%;margin:2px 0}
 .category-hero{padding:25px 0 58px}
 .section{padding:62px 0}
 .section-head{display:block}
 .section-intro{margin-top:12px}
 .content-layout{display:block}
 .index-card{position:static;margin-bottom:20px}
 .content-item{grid-template-columns:55px minmax(0,1fr) 36px;gap:12px;padding:18px}
 .content-index{font-size:1.45rem}
 .content-item h3{font-size:1.05rem}
 .cta-box{display:block;padding:30px}
 .cta-box .btn-brand{margin-top:22px}
}
@media(max-width:520px){
 .container{padding-left:17px;padding-right:17px}
 .category-hero h1{font-size:2.35rem}
 .hero-side{margin-top:10px}
 .feature-banner{padding:27px 22px}
 .data-orbit{min-height:180px}
 .orbit-ring{width:150px;height:150px}
 .content-item{grid-template-columns:1fr 36px}
 .content-index{display:none}
 .pagination-wrap{display:block}
 .pagination{margin-top:15px}
 .filter-bar{align-items:flex-start}
}