/* roulang page: index */
:root{
            --ink:#171a19;--deep:#202522;--lime:#c9f238;--lime-dark:#a8cf17;
            --paper:#f4f3ee;--white:#fffefa;--muted:#707873;--line:#dfe1d8;
            --orange:#ed9c4c;--radius:16px;--shadow:0 16px 42px rgba(26,31,28,.09);
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.7;font-size:16px}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{max-width:100%;display:block}
        button,input,textarea{font:inherit}
        .container{max-width:1240px;margin:auto;padding-left:22px;padding-right:22px}
        .topbar{background:var(--deep);color:#d9ded7;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
        .topbar .inner{min-height:42px;display:flex;align-items:center;justify-content:space-between}
        .trust{display:flex;gap:25px;align-items:center}.trust span:first-child{color:var(--lime)}
        .top-contact{display:flex;gap:20px;align-items:center}
        .nav-wrap{background:var(--deep);color:#f7f8f1;position:sticky;top:0;z-index:20;box-shadow:0 4px 18px rgba(0,0,0,.12)}
        .navbar{min-height:74px;padding:0}
        .brand{font-weight:800;font-size:19px;letter-spacing:-.5px;display:flex;align-items:center;gap:11px;white-space:nowrap}
        .brand-mark{width:31px;height:31px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-weight:900}
        .brand small{display:block;font-size:10px;letter-spacing:2px;color:#aeb6ad;font-weight:500}
        .nav-link{color:#c8cec7!important;font-size:14px;padding:25px 13px!important;position:relative}
        .nav-link:hover,.nav-link.active{color:var(--lime)!important}
        .nav-link.active:after{content:"";position:absolute;bottom:12px;left:13px;right:13px;height:3px;background:var(--lime)}
        .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);border:0;font-weight:750;padding:12px 19px;border-radius:8px}
        .nav-cta:hover,.btn-primary:hover{background:#e0ff65;color:#111;transform:translateY(-2px)}
        .hero{background:var(--deep);color:#fff;position:relative;overflow:hidden}
        .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,22,.95) 8%,rgba(20,24,22,.7) 48%,rgba(20,24,22,.32)),url("/assets/images/backpic/back-1.webp") center/cover}
        .hero-inner{position:relative;min-height:590px;display:flex;align-items:center;padding-top:45px;padding-bottom:45px}
        .hero-copy{max-width:690px}.eyebrow,.kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--lime);font-weight:750;margin-bottom:18px}
        h1{font-size:clamp(38px,5.3vw,70px);line-height:1.12;letter-spacing:-2px;margin:0 0 25px;font-weight:850}
        .hero-copy p{font-size:18px;color:#d5dbd2;max-width:650px;margin:0 0 30px}
        .actions{display:flex;gap:13px;flex-wrap:wrap}.btn-outline{padding:11px 19px;border:1px solid rgba(255,255,255,.45);border-radius:8px;color:#fff}
        .btn-outline:hover{border-color:var(--lime);color:var(--lime)}
        .hero-data{position:absolute;right:22px;bottom:55px;background:rgba(28,34,31,.9);border:1px solid rgba(201,242,56,.45);padding:20px;width:255px}
        .hero-data strong{font-size:34px;color:var(--lime);display:block;line-height:1.2}.hero-data p{font-size:13px;color:#c6cec4;margin:4px 0 0}
        .section{padding:105px 0}.section-sm{padding:72px 0}
        .section-head{max-width:700px;margin-bottom:42px}.section-head h2{font-size:clamp(28px,3.4vw,45px);line-height:1.2;letter-spacing:-1px;margin:0 0 15px;font-weight:820}
        .section-head p{color:var(--muted);margin:0;font-size:16px}
        .label{display:inline-block;background:#e7edcf;color:#54631a;border-radius:30px;padding:4px 11px;font-size:12px;font-weight:750;margin-bottom:15px}
        .pain{background:var(--white)}.pain-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
        .pain-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pain-item{border-left:3px solid var(--orange);padding:13px 16px;background:#f7f5ed}
        .pain-item b{display:block;margin-bottom:4px}.pain-item span{font-size:13px;color:var(--muted)}
        .signal-board{background:var(--deep);color:#fff;padding:28px;border-radius:var(--radius);position:relative;overflow:hidden}
        .signal-board:after{content:"";position:absolute;width:180px;height:180px;border:1px solid var(--lime);border-radius:50%;right:-65px;top:-60px;opacity:.35}
        .signal-board h3{font-size:22px;margin:0 0 22px}.signal{display:flex;justify-content:space-between;border-bottom:1px solid #414943;padding:14px 0;color:#cdd3cc}.signal em{font-style:normal;color:var(--orange)}
        .solution{background:#e9ebe3}.solution-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:stretch}
        .screen{background:#252b27;padding:18px;border-radius:14px;color:#eef2e9;min-height:350px}
        .screen-top{display:flex;justify-content:space-between;border-bottom:1px solid #465148;padding-bottom:13px;margin-bottom:18px;font-size:13px}.online{color:var(--lime)}
        .map{height:225px;border-radius:9px;background:linear-gradient(135deg,#313a34,#1d211f);position:relative;overflow:hidden}
        .map:before{content:"";position:absolute;left:15%;top:61%;width:72%;height:2px;background:var(--lime);transform:rotate(-22deg);box-shadow:0 0 0 5px rgba(201,242,56,.1)}
        .map:after{content:"";position:absolute;left:28%;top:31%;width:10px;height:10px;background:var(--lime);border-radius:50%;box-shadow:120px 74px 0 var(--orange),210px 28px 0 var(--lime)}
        .side-features{display:grid;gap:14px}.feature-line{background:var(--white);padding:19px 21px;border:1px solid var(--line);border-radius:12px}.feature-line b{display:block;font-size:17px}.feature-line span{color:var(--muted);font-size:13px}
        .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--ink);margin-top:35px}.step{padding:22px 16px 0;border-right:1px solid var(--line);position:relative}.step:before{content:"";width:12px;height:12px;background:var(--lime);border:3px solid var(--ink);border-radius:50%;position:absolute;top:-8px;left:16px}.step b{display:block;font-size:18px;margin:17px 0 7px}.step span{font-size:13px;color:var(--muted)}
        .visual{background:var(--white)}.visual-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.visual img{border-radius:14px;box-shadow:var(--shadow);width:100%;height:350px;object-fit:cover}.check-list{list-style:none;padding:0;margin:25px 0 0}.check-list li{padding:11px 0 11px 29px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:#6f8e00;font-weight:bold}
        .dark-zone{background:var(--deep);color:#fff}.dark-zone .section-head p{color:#b7c0b7}.warning-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.alert-list{border:1px solid #465149;padding:23px}.alert{display:flex;justify-content:space-between;align-items:center;padding:15px 0;border-bottom:1px solid #3c463e}.alert:last-child{border:0}.badge{font-size:11px;padding:4px 9px;border-radius:20px;background:#5a3020;color:#ffbd77}.badge.green{background:#33451b;color:var(--lime)}
        .cost-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.chart{background:var(--white);border:1px solid var(--line);padding:25px;border-radius:14px}.bars{height:190px;display:flex;align-items:end;gap:14px;border-bottom:1px solid #bec4b9;padding:0 15px}.bar{background:var(--lime);width:12%;min-height:35px;border-radius:4px 4px 0 0}.bar:nth-child(2n){background:#8e9b86}.chart-note{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:13px}
        .advantages{background:#eef0e9}.adv-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px}.adv{background:var(--white);padding:23px;border:1px solid var(--line);min-height:150px}.adv:nth-child(2){margin-top:34px;background:var(--ink);color:white}.adv:nth-child(4){grid-column:1/3}.adv:nth-child(6){margin-top:-27px}.adv-no{color:var(--lime);font-weight:800;font-size:13px;letter-spacing:1px}.adv h3{font-size:18px;margin:13px 0 7px}.adv p{font-size:13px;color:var(--muted);margin:0}.adv:nth-child(2) p{color:#b9c2b7}
        .products{background:var(--white)}.product-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}.product-card{border:1px solid var(--line);overflow:hidden;background:var(--paper);transition:.25s}.product-card:hover{transform:translateY(-5px);border-color:var(--lime-dark);box-shadow:var(--shadow)}.product-card:first-child{grid-row:span 2}.product-card img{width:100%;height:190px;object-fit:cover}.product-card:first-child img{height:285px}.product-body{padding:22px}.product-body h3{font-size:21px;margin:0 0 8px}.product-body p{font-size:14px;color:var(--muted);margin:0 0 15px}.text-link{color:#657d0a;font-weight:750;font-size:14px}
        .case{background:var(--ink);color:#fff}.case-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.case blockquote{font-size:28px;line-height:1.45;margin:0;border-left:4px solid var(--lime);padding-left:25px}.case-note{color:#bec7bd;font-size:14px;margin-top:22px}.case-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#485149}.case-stat{background:var(--ink);padding:25px}.case-stat strong{font-size:34px;color:var(--lime);display:block}.case-stat span{font-size:13px;color:#bdc6bc}
        .story{background:var(--white)}.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.story-card{padding:25px;border:1px solid var(--line);border-radius:12px}.story-card .route{color:#718700;font-size:13px;font-weight:bold}.story-card h3{font-size:19px;margin:12px 0 8px}.story-card p{font-size:14px;color:var(--muted);margin:0}
        .stats{background:var(--lime)}.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}.stat strong{font-size:35px;line-height:1;display:block}.stat span{font-size:13px;display:block;margin-top:8px}
        .quote{background:#e7e9e1}.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote-card{background:var(--white);padding:30px;border-radius:14px;border:1px solid var(--line)}.quote-card p{font-size:19px;line-height:1.65;margin:0 0 20px}.quote-card small{color:var(--muted)}
        .scenes{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.scene{padding:22px 17px;background:var(--white);border-top:4px solid var(--lime);min-height:150px}.scene h3{font-size:17px;margin:0 0 9px}.scene p{font-size:13px;color:var(--muted);margin:0}
        .news{background:var(--white)}.news-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.news-list{border-top:1px solid var(--line)}.news-item{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}.news-item a:hover{color:#718700}.news-item span{font-size:12px;color:var(--muted);white-space:nowrap}.news-feature{background:var(--deep);color:#fff;padding:28px}.news-feature h3{font-size:23px;margin:12px 0}.news-feature p{color:#bdc6bc;font-size:14px}
        .faq{background:#eef0e9}.accordion-item{border:0;border-bottom:1px solid var(--line)!important;background:transparent}.accordion-button{background:transparent!important;box-shadow:none!important;color:var(--ink);font-weight:750;padding:21px 0}.accordion-button:not(.collapsed){color:#647d08}.accordion-body{padding:0 30px 21px 0;color:var(--muted);font-size:14px}
        .cta{background:var(--deep);color:#fff;padding:85px 0}.cta-inner{display:flex;justify-content:space-between;gap:35px;align-items:center}.cta h2{font-size:clamp(30px,4vw,50px);line-height:1.2;margin:0 0 13px}.cta p{color:#bbc4ba;margin:0;max-width:650px}
        footer{background:#151817;color:#b9c1b8;padding:55px 0 20px;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer h3{color:#fff;font-size:15px;margin:0 0 14px}.footer a{display:block;margin:7px 0;color:#aeb7ad}.footer a:hover{color:var(--lime)}.copyright{border-top:1px solid #343c36;margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px}
        :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
        @media(max-width:992px){.nav-link{padding:15px 8px!important}.hero-data{right:22px}.pain-grid,.solution-grid,.visual-grid,.cost-grid,.case-inner{grid-template-columns:1fr;gap:35px}.adv-grid{grid-template-columns:1fr 1fr}.adv:nth-child(4){grid-column:auto}.adv:nth-child(2),.adv:nth-child(6){margin-top:0}.scenes{grid-template-columns:repeat(3,1fr)}.stats-grid{grid-template-columns:repeat(3,1fr)}}
        @media(max-width:768px){.topbar .inner{min-height:38px}.trust span:nth-child(2),.trust span:nth-child(3){display:none}.top-contact{font-size:12px}.hero-inner{min-height:650px;align-items:flex-start;padding-top:75px}.hero-data{position:relative;right:auto;bottom:auto;margin-top:35px}.hero-copy p{font-size:16px}.section{padding:72px 0}.steps{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--ink);margin-left:8px}.step{border-right:0;padding:14px 16px 20px 28px}.step:before{left:-8px;top:17px}.product-grid,.news-grid,.quote-grid,.story-grid{grid-template-columns:1fr}.product-card:first-child{grid-row:auto}.product-card img,.product-card:first-child img{height:210px}.warning-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta .actions{margin-top:25px}}
        @media(max-width:520px){.container{padding-left:17px;padding-right:17px}h1{font-size:39px;letter-spacing:-1px}.top-contact{display:none}.pain-list,.adv-grid,.scenes,.stats-grid{grid-template-columns:1fr 1fr}.pain-item{padding:12px 10px}.adv{min-height:135px;padding:17px}.adv h3{font-size:16px}.scenes{grid-template-columns:1fr 1fr}.stat strong{font-size:27px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}.hero-data{width:100%}}

/* roulang page: category2 */
:root{
 --ink:#171a19;--deep:#202522;--lime:#c9f238;--lime-dark:#a8cf17;
 --paper:#f4f3ee;--white:#fffefa;--muted:#707873;--line:#dfe1d8;
 --orange:#ed9c4c;--radius:16px;--shadow:0 16px 42px rgba(26,31,28,.09)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
.container{max-width:1240px;margin:auto;padding:0 22px}
.topbar{background:var(--deep);color:#d9ded7;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
.topbar .inner{min-height:42px;display:flex;align-items:center;justify-content:space-between}
.trust,.top-contact{display:flex;gap:24px}
.nav-wrap{background:var(--deep);color:#f7f8f1;position:sticky;top:0;z-index:20;box-shadow:0 4px 18px rgba(0,0,0,.12)}
.navbar{min-height:74px;padding:0}
.brand{font-weight:800;font-size:19px;letter-spacing:-.5px;display:flex;align-items:center;gap:11px;white-space:nowrap}
.brand-mark{width:31px;height:31px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-weight:900}
.brand small{display:block;font-size:10px;letter-spacing:2px;color:#aeb6ad;font-weight:500}
.nav-link{color:#c8cec7!important;font-size:14px;padding:25px 13px!important;position:relative}
.nav-link:hover,.nav-link.active{color:var(--lime)!important}
.nav-link.active:after{content:"";position:absolute;bottom:12px;left:13px;right:13px;height:3px;background:var(--lime)}
.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);border:0;font-weight:750;padding:12px 19px;border-radius:8px}
.nav-cta:hover,.btn-primary:hover{background:#e0ff65;color:#111;transform:translateY(-2px)}
.btn-outline{padding:11px 19px;border:1px solid rgba(255,255,255,.45);border-radius:8px;color:#fff;display:inline-block}
.btn-outline:hover{border-color:var(--lime);color:var(--lime)}
.hero{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,22,.95),rgba(20,24,22,.55)),url("/assets/images/backpic/back-4.webp") center/cover}
.hero-inner{position:relative;min-height:475px;display:grid;grid-template-columns:5fr 7fr;gap:45px;align-items:center;padding-top:48px;padding-bottom:48px}
.hero-copy{max-width:590px}
.eyebrow,.kicker{font-size:12px;letter-spacing:2px;color:var(--lime);font-weight:750;margin-bottom:17px}
h1,h2,h3{font-weight:820;line-height:1.25;letter-spacing:-.6px}
h1{font-size:clamp(35px,5vw,62px);margin:0 0 20px}
.hero-copy p{font-size:18px;color:#d5dbd2;margin:0 0 28px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap}
.hero-panel{position:relative;transform:translate(18px,24px) rotate(2deg);border:8px solid #303933;background:#151a17;box-shadow:18px 22px 0 rgba(201,242,56,.22)}
.hero-panel img{width:100%;height:330px;object-fit:cover;opacity:.82}
.panel-label{position:absolute;left:18px;top:18px;background:var(--lime);color:var(--ink);padding:5px 10px;font-size:12px;font-weight:800}
.status-strip{position:absolute;bottom:15px;left:15px;right:15px;display:flex;justify-content:space-between;gap:8px;background:rgba(23,26,25,.9);padding:12px;font-size:12px;color:#dce5d7}
.status-strip b{color:var(--lime)}
.section{padding:92px 0}
.section-sm{padding:64px 0}
.section-head{max-width:720px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,3.4vw,45px);margin:0 0 14px}
.section-head p{color:var(--muted);margin:0}
.overview{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}
.overview img{width:100%;height:355px;object-fit:cover;border-radius:14px;box-shadow:var(--shadow)}
.data-rail{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.data-box{background:var(--white);border:1px solid var(--line);padding:22px;border-radius:12px}
.data-box strong{display:block;font-size:29px;line-height:1.2;color:#718700}
.data-box span{font-size:13px;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.feature-item{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:23px;display:flex;gap:18px}
.feature-item:hover{border-color:var(--lime-dark);transform:translateY(-3px);box-shadow:var(--shadow)}
.feature-no{font-size:25px;font-weight:900;color:var(--lime-dark);line-height:1}
.feature-item h3{font-size:19px;margin:0 0 6px}
.feature-item p{font-size:14px;color:var(--muted);margin:0}
.map-zone{background:#e9ebe3}
.map-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:28px;align-items:stretch}
.map-copy{padding:20px 0}
.check-list{list-style:none;padding:0;margin:25px 0 0}
.check-list li{padding:12px 0 12px 30px;border-bottom:1px solid var(--line);position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:#718700;font-weight:900}
.map-card{position:relative;min-height:355px;border-radius:14px;overflow:hidden;background:#353c35;border:7px solid #303630}
.map-card img{height:100%;width:100%;object-fit:cover;opacity:.62}
.route-line{position:absolute;left:15%;top:58%;width:66%;height:3px;background:var(--lime);transform:rotate(-18deg);box-shadow:0 0 14px var(--lime)}
.route-point{position:absolute;width:13px;height:13px;border:3px solid var(--lime);background:var(--deep);border-radius:50%}
.route-point.one{left:14%;top:68%}.route-point.two{left:46%;top:51%}.route-point.three{right:16%;top:31%}
.map-tag{position:absolute;right:16px;top:16px;background:var(--deep);color:var(--lime);padding:8px 12px;font-size:12px}
.dark-zone{background:var(--deep);color:#fff}
.dark-zone .section-head p{color:#b7c0b7}
.monitor-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.alert-list{border:1px solid #465149;padding:24px;background:#252c27}
.alert-row{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid #3b443d;font-size:14px}
.alert-row:last-child{border:0}
.badge{font-size:11px;padding:4px 9px;border-radius:20px;background:#5a3020;color:#ffbd77;white-space:nowrap}
.badge.green{background:#33451b;color:var(--lime)}
.monitor-note{padding:28px;border-left:3px solid var(--lime);background:#29312b}
.monitor-note strong{font-size:42px;color:var(--lime);display:block;line-height:1.1}
.monitor-note p{font-size:14px;color:#c0c9bf}
.permission{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
.permission img{height:300px;width:100%;object-fit:cover;border-radius:14px}
.permission-list{display:grid;gap:12px}
.permission-list div{background:var(--white);border:1px solid var(--line);padding:17px 20px;border-left:4px solid var(--lime-dark)}
.permission-list b{display:block}.permission-list span{font-size:13px;color:var(--muted)}
.faq{background:#eef0e9}
.accordion-item{background:transparent;border:0!important;border-bottom:1px solid var(--line)!important}
.accordion-button{background:transparent!important;color:var(--ink);font-weight:750;padding:21px 5px;box-shadow:none!important}
.accordion-button:not(.collapsed){color:#718700}
.accordion-button:after{filter:grayscale(1)}
.accordion-body{padding:0 35px 20px 5px;color:var(--muted);font-size:14px}
.cta-band{background:var(--lime);padding:52px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta-inner h2{margin:0 0 8px;font-size:32px}
.cta-inner p{margin:0;color:#3c4c18}
.btn-dark{background:var(--deep);color:#fff;padding:13px 21px;border-radius:8px;font-weight:750;border:0}
.btn-dark:hover{background:#39443d;color:var(--lime)}
footer{background:var(--deep);color:#e6ebe3;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand{font-size:21px;font-weight:800;margin-bottom:12px}
footer p,footer a{color:#aeb8ad;font-size:14px}
footer h3{font-size:15px;color:var(--lime);margin:3px 0 15px}
footer a{display:block;margin:8px 0}
footer a:hover{color:var(--lime)}
.copyright{border-top:1px solid #3e4740;margin-top:42px;padding-top:18px;color:#929d92;font-size:12px;display:flex;justify-content:space-between}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
@media(max-width:991px){
 .nav-link{padding:12px 0!important}.nav-link.active:after{left:0;right:auto;width:30px;bottom:5px}
 .hero-inner,.overview,.map-layout,.monitor-grid,.permission{grid-template-columns:1fr}
 .hero-panel{transform:none;margin-top:15px}.hero-panel img{height:280px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:575px){
 .container{padding:0 17px}.topbar .inner,.trust,.top-contact{gap:10px;flex-wrap:wrap}.top-contact{display:none}
 .brand{font-size:16px}.brand small{font-size:8px}
 .hero-inner{min-height:auto;padding:62px 0}.hero-copy p{font-size:16px}
 .section{padding:67px 0}.feature-grid,.data-rail{grid-template-columns:1fr}
 .feature-item{padding:18px}.map-card{min-height:265px}.cta-inner{display:block}.cta-inner .btn-dark{margin-top:22px}
 .footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin:5px 0}
 h1{font-size:38px}
}

/* roulang page: category1 */
:root{
      --ink:#171a19;
      --deep:#202522;
      --lime:#c9f238;
      --lime-dark:#a8cf17;
      --paper:#f4f3ee;
      --white:#fffefa;
      --muted:#707873;
      --line:#dfe1d8;
      --orange:#ed9c4c;
      --radius:16px;
      --shadow:0 16px 42px rgba(26,31,28,.09);
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      font-size:16px;
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    .container{width:100%;max-width:1240px;margin:0 auto;padding-left:22px;padding-right:22px}
    .topbar{background:var(--deep);color:#d9ded7;border-bottom:1px solid rgba(255,255,255,.1);font-size:13px}
    .topbar .inner{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .trust,.top-contact{display:flex;gap:23px;flex-wrap:wrap}
    .nav-wrap{position:sticky;top:0;z-index:20;background:var(--deep);color:#f7f8f1;box-shadow:0 4px 18px rgba(0,0,0,.12)}
    .navbar{min-height:74px;padding:0}
    .brand{font-weight:800;font-size:19px;letter-spacing:-.5px;display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:31px;height:31px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-weight:900}
    .brand small{display:block;font-size:10px;letter-spacing:2px;color:#aeb6ad;font-weight:500}
    .nav-link{color:#c8cec7!important;font-size:14px;padding:25px 13px!important;position:relative}
    .nav-link:hover,.nav-link.active{color:var(--lime)!important}
    .nav-link.active:after{content:"";position:absolute;bottom:12px;left:13px;right:13px;height:3px;background:var(--lime)}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);border:0;font-weight:750;padding:12px 19px;border-radius:8px}
    .nav-cta:hover,.btn-primary:hover{background:#e0ff65;color:#111;transform:translateY(-2px)}
    .navbar-toggler{border:1px solid rgba(201,242,56,.45);padding:8px 11px}
    .navbar-toggler:focus{box-shadow:0 0 0 3px rgba(201,242,56,.28)}
    .hero-sub{
      min-height:465px;
      display:flex;
      align-items:center;
      position:relative;
      color:#fff;
      background:var(--deep);
      overflow:hidden;
    }
    .hero-sub:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(20,24,22,.96) 10%,rgba(20,24,22,.78) 53%,rgba(20,24,22,.28)),url("/assets/images/backpic/back-2.webp") center/cover;
    }
    .hero-content{position:relative;padding:76px 0 82px}
    .eyebrow,.kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--lime);font-weight:750;margin-bottom:16px}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.12;letter-spacing:-2px;margin:0 0 20px;font-weight:850;max-width:720px}
    .hero-content p{max-width:680px;color:#d5dbd2;font-size:18px;margin:0}
    .hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .tag{display:inline-flex;align-items:center;padding:6px 12px;border-radius:30px;background:rgba(201,242,56,.12);border:1px solid rgba(201,242,56,.5);color:var(--lime);font-size:13px}
    .section{padding:94px 0}
    .section-sm{padding:68px 0}
    .section-head{max-width:730px;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,3.4vw,45px);line-height:1.2;letter-spacing:-1px;margin:0 0 14px;font-weight:820}
    .section-head p{color:var(--muted);margin:0;font-size:16px}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:62px;align-items:center}
    .intro-image{position:relative}
    .intro-image img{width:100%;height:365px;object-fit:cover;border-radius:14px;box-shadow:var(--shadow)}
    .image-note{position:absolute;right:-14px;bottom:20px;background:var(--lime);padding:14px 18px;border-radius:9px;font-size:13px;font-weight:750;max-width:190px}
    .lead-copy{font-size:20px;line-height:1.6;margin:0 0 22px}
    .check-list{list-style:none;padding:0;margin:0}
    .check-list li{position:relative;padding:11px 0 11px 30px;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"✓";position:absolute;left:0;color:#6f8e00;font-weight:900}
    .dispatch-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:25px;align-items:stretch}
    .dispatch-list{display:grid;gap:12px}
    .dispatch-item{background:var(--white);border:1px solid var(--line);padding:21px 23px;border-radius:12px;transition:.25s}
    .dispatch-item:hover{border-color:var(--lime-dark);transform:translateX(5px);box-shadow:var(--shadow)}
    .dispatch-item strong{display:flex;align-items:center;gap:12px;font-size:18px}
    .dispatch-item em{font-style:normal;color:#829b15;font-size:13px;font-weight:800}
    .dispatch-item p{color:var(--muted);font-size:14px;margin:6px 0 0}
    .dispatch-board{background:var(--deep);color:#edf1e8;border-radius:14px;padding:27px;position:relative;overflow:hidden}
    .dispatch-board:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(201,242,56,.22);border-radius:50%;right:-80px;bottom:-110px}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #465049;padding-bottom:18px;margin-bottom:20px}
    .board-title{font-weight:800}
    .live{color:var(--lime);font-size:12px}
    .task-row{display:grid;grid-template-columns:85px 1fr 90px;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid #39433c;font-size:13px}
    .task-row:last-child{border:0}
    .task-code{color:#adb9ad}
    .route-line{height:6px;background:#3c493c;position:relative;border-radius:4px}
    .route-line span{display:block;height:100%;width:72%;background:var(--lime);border-radius:4px}
    .route-line.orange span{width:45%;background:var(--orange)}
    .state{font-size:12px;color:var(--lime);text-align:right}
    .state.warn{color:#ffb776}
    .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--line);position:relative}
    .step{padding:25px 18px 0;position:relative}
    .step:before{content:"";position:absolute;top:-9px;left:18px;width:15px;height:15px;background:var(--lime);border:4px solid var(--paper);border-radius:50%}
    .step-number{font-size:12px;color:#778b12;font-weight:800;letter-spacing:1px}
    .step h3{font-size:18px;margin:9px 0 7px}
    .step p{font-size:14px;color:var(--muted);margin:0}
    .visual-section{background:#eef0e9}
    .visual-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center}
    .visual-grid img{height:350px;width:100%;object-fit:cover;border-radius:14px;box-shadow:var(--shadow)}
    .metric-panel{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:22px}
    .metric{background:var(--white);padding:17px;border:1px solid var(--line);border-radius:10px}
    .metric b{display:block;font-size:25px;line-height:1.2}
    .metric span{font-size:13px;color:var(--muted)}
    .dark-zone{background:var(--deep);color:#fff;padding:88px 0}
    .dark-zone .section-head p{color:#b7c0b7}
    .risk-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .risk-card{border:1px solid #465149;padding:27px;border-radius:12px;background:#252d28}
    .risk-card h3{font-size:22px;margin:0 0 10px}
    .risk-card p{color:#b9c3b9;font-size:14px;margin:0}
    .alert-line{display:flex;justify-content:space-between;gap:15px;padding:14px 0;border-bottom:1px solid #465149;font-size:14px}
    .alert-line:last-child{border:0}
    .badge{font-size:11px;padding:4px 9px;border-radius:20px;background:#5a3020;color:#ffbd77;white-space:nowrap}
    .badge.green{background:#33451b;color:var(--lime)}
    .feature-band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-band article{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:12px}
    .feature-band article:nth-child(2){transform:translateY(22px)}
    .feature-band article:nth-child(3){background:#e9eddf}
    .feature-index{color:#829b15;font-weight:900;font-size:13px;letter-spacing:1px}
    .feature-band h3{font-size:20px;margin:11px 0 7px}
    .feature-band p{font-size:14px;color:var(--muted);margin:0}
    .more-link{display:inline-flex;margin-top:28px;color:#657d0a;font-weight:800;border-bottom:2px solid var(--lime);padding-bottom:3px}
    .more-link:hover{color:var(--ink);padding-left:5px}
    .faq-section{background:#eef0e9}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)!important}
    .accordion-button{background:transparent!important;color:var(--ink)!important;font-weight:750;font-size:17px;padding:21px 4px;box-shadow:none!important}
    .accordion-button:after{filter:brightness(.3)}
    .accordion-button:not(.collapsed){color:#657d0a!important}
    .accordion-body{color:var(--muted);padding:0 35px 22px 4px;font-size:15px}
    .accordion-button:focus-visible,.btn-primary:focus-visible,.nav-link:focus-visible,.more-link:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
    .cta{background:var(--deep);color:#fff;padding:72px 0}
    .cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
    .cta h2{font-size:clamp(29px,4vw,48px);line-height:1.2;margin:0 0 14px}
    .cta p{color:#c1c9c0;margin:0}
    .consult-form{background:#f8f8f1;padding:25px;border-radius:13px;color:var(--ink)}
    .consult-form label{font-size:13px;font-weight:750;margin-bottom:5px}
    .consult-form .form-control,.consult-form .form-select{border:1px solid var(--line);border-radius:7px;min-height:46px;background:#fff}
    .consult-form .form-control:focus,.consult-form .form-select:focus{border-color:var(--lime-dark);box-shadow:0 0 0 3px rgba(201,242,56,.22)}
    footer{background:#171b19;color:#d9ded7;padding:60px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand{font-size:20px;font-weight:850;color:#fff;margin-bottom:10px}
    footer p{font-size:14px;color:#aeb8ae;margin:0}
    footer h3{font-size:14px;color:var(--lime);margin:0 0 14px}
    footer a{display:block;color:#b9c2b9;font-size:14px;margin:7px 0}
    footer a:hover{color:var(--lime);padding-left:4px}
    .copyright{border-top:1px solid #39423b;margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#89958a;font-size:12px}
    @media(max-width:991px){
      .nav-link{padding:12px 0!important}
      .nav-link.active:after{left:0;right:auto;width:35px;bottom:5px}
      .navbar-collapse{padding:14px 0 20px}
      .intro-grid,.dispatch-layout,.visual-grid,.cta-grid{grid-template-columns:1fr;gap:35px}
      .steps{grid-template-columns:repeat(3,1fr);row-gap:25px}
      .step:nth-child(4),.step:nth-child(5){margin-top:15px}
      .feature-band{grid-template-columns:1fr 1fr}
      .feature-band article:nth-child(2){transform:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:767px){
      .topbar .inner{align-items:flex-start;padding-top:9px;padding-bottom:9px}
      .trust{display:none}
      .top-contact{gap:8px;justify-content:flex-end;font-size:11px}
      .hero-content{padding:65px 0}
      h1{font-size:40px;letter-spacing:-1px}
      .hero-content p{font-size:16px}
      .section{padding:68px 0}
      .intro-image img,.visual-grid img{height:270px}
      .image-note{right:10px}
      .pain-list{grid-template-columns:1fr}
      .task-row{grid-template-columns:65px 1fr 70px;gap:9px}
      .steps{grid-template-columns:1fr 1fr}
      .step{padding-left:14px}
      .step:before{left:14px}
      .risk-layout,.feature-band,.metric-panel{grid-template-columns:1fr}
      .cta-grid{gap:28px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright{display:block;line-height:2}
    }
    @media(max-width:420px){
      .container{padding-left:16px;padding-right:16px}
      .brand{font-size:16px}
      .brand small{font-size:8px;letter-spacing:1px}
      .hero-sub{min-height:430px}
      .dispatch-board{padding:19px 15px}
      .task-row{font-size:12px}
      .consult-form{padding:18px}
    }

/* roulang page: category4 */
:root{
            --ink:#171a19;
            --deep:#202522;
            --lime:#c9f238;
            --lime-dark:#a8cf17;
            --paper:#f4f3ee;
            --white:#fffefa;
            --muted:#707873;
            --line:#dfe1d8;
            --orange:#ed9c4c;
            --red:#d66f49;
            --radius:16px;
            --shadow:0 16px 42px rgba(26,31,28,.09);
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.7;font-size:16px;overflow-x:hidden}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        img{display:block;max-width:100%;height:auto}
        button,input,textarea{font:inherit}
        .container{max-width:1240px;margin:auto;padding-left:22px;padding-right:22px}
        .topbar{background:var(--deep);color:#d9ded7;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
        .topbar .inner{min-height:42px;display:flex;align-items:center;justify-content:space-between}
        .trust,.top-contact{display:flex;gap:22px;align-items:center}
        .nav-wrap{background:var(--deep);color:#f7f8f1;position:sticky;top:0;z-index:20;box-shadow:0 4px 18px rgba(0,0,0,.12)}
        .navbar{min-height:74px;padding:0}
        .brand{font-weight:800;font-size:19px;letter-spacing:-.5px;display:flex;align-items:center;gap:11px;white-space:nowrap}
        .brand-mark{width:31px;height:31px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-weight:900}
        .brand small{display:block;font-size:10px;letter-spacing:2px;color:#aeb6ad;font-weight:500}
        .nav-link{color:#c8cec7!important;font-size:14px;padding:25px 13px!important;position:relative}
        .nav-link:hover,.nav-link.active{color:var(--lime)!important}
        .nav-link.active:after{content:"";position:absolute;bottom:12px;left:13px;right:13px;height:3px;background:var(--lime)}
        .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);border:0;font-weight:750;padding:12px 19px;border-radius:8px}
        .nav-cta:hover,.btn-primary:hover{background:#e0ff65;color:#111;transform:translateY(-2px)}
        .btn-outline{display:inline-block;padding:11px 19px;border:1px solid rgba(255,255,255,.45);border-radius:8px;color:#fff}
        .btn-outline:hover{border-color:var(--lime);color:var(--lime)}
        .page-hero{background:var(--deep);color:#fff;position:relative;overflow:hidden}
        .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,22,.96) 12%,rgba(20,24,22,.75) 58%,rgba(20,24,22,.3)),url("/assets/images/backpic/back-6.webp") center/cover}
        .page-hero .container{position:relative}
        .hero-layout{min-height:465px;display:grid;grid-template-columns:1.08fr .92fr;gap:55px;align-items:center;padding:62px 0}
        .eyebrow,.kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--lime);font-weight:750;margin-bottom:17px}
        h1{font-size:clamp(36px,5vw,65px);line-height:1.15;letter-spacing:-2px;margin:0 0 20px;font-weight:850}
        .hero-copy p{font-size:18px;color:#d5dbd2;max-width:650px;margin:0 0 28px}
        .hero-panel{background:rgba(29,35,31,.9);border:1px solid rgba(201,242,56,.42);padding:25px;border-radius:12px;box-shadow:0 20px 45px rgba(0,0,0,.2)}
        .panel-top{display:flex;justify-content:space-between;border-bottom:1px solid #4a554c;padding-bottom:16px;margin-bottom:18px;color:#cdd5ca;font-size:13px}
        .status{color:var(--lime);font-weight:700}
        .metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
        .metric{background:#2a322c;padding:15px;border-left:3px solid var(--lime)}
        .metric strong{display:block;color:#fff;font-size:25px;line-height:1.2}
        .metric span{font-size:12px;color:#b6c0b6}
        .section{padding:94px 0}
        .section-sm{padding:67px 0}
        .section-head{max-width:720px;margin-bottom:39px}
        .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;letter-spacing:-1px;margin:0 0 14px;font-weight:820}
        .section-head p{color:var(--muted);margin:0}
        .intro-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:65px;align-items:center}
        .intro-image{position:relative}
        .intro-image img{width:100%;height:350px;object-fit:cover;border-radius:14px;box-shadow:var(--shadow)}
        .image-tag{position:absolute;left:18px;bottom:18px;background:var(--lime);padding:8px 13px;border-radius:6px;font-size:13px;font-weight:800}
        .lead-number{font-size:78px;line-height:1;color:var(--lime-dark);font-weight:850;margin-bottom:5px}
        .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
        .feature-item{background:var(--white);border:1px solid var(--line);padding:22px 21px;border-radius:12px;transition:.25s}
        .feature-item:hover{border-color:var(--lime-dark);transform:translateY(-4px);box-shadow:var(--shadow)}
        .feature-item .num{color:#7d970d;font-size:13px;font-weight:800}
        .feature-item h3{font-size:18px;margin:8px 0 7px}
        .feature-item p{font-size:14px;color:var(--muted);margin:0}
        .dashboard{background:#e9ebe3}
        .dashboard-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch}
        .chart-card,.table-card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:25px}
        .card-title{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:24px}
        .card-title h3{font-size:19px;margin:0}
        .period{font-size:12px;color:#6b8208;background:#eef7c6;padding:5px 9px;border-radius:4px}
        .bars{height:205px;display:flex;align-items:end;gap:15px;border-bottom:1px solid var(--line);padding:0 12px}
        .bar-col{flex:1;height:100%;display:flex;align-items:end;justify-content:center;position:relative}
        .bar{width:70%;background:var(--lime);min-height:28px;border-radius:4px 4px 0 0;transition:.25s}
        .bar:nth-child(1){height:62%}.bar:nth-child(2){height:74%}.bar:nth-child(3){height:55%}.bar:nth-child(4){height:68%}.bar:nth-child(5){height:47%}.bar:nth-child(6){height:58%}
        .bar-col:hover .bar{background:var(--orange)}
        .bar-label{position:absolute;bottom:-29px;font-size:11px;color:var(--muted)}
        .legend{display:flex;justify-content:space-between;margin-top:39px;color:var(--muted);font-size:13px}
        .cost-table{width:100%;border-collapse:collapse;font-size:14px}
        .cost-table tr{border-bottom:1px solid var(--line)}
        .cost-table td{padding:13px 0}
        .cost-table td:last-child{text-align:right;font-weight:750}
        .up{color:var(--red)}.down{color:#6c8706}
        .dark-zone{background:var(--deep);color:#f6f8f0}
        .dark-zone .section-head p{color:#b7c0b7}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #526057}
        .process-item{padding:25px 22px 14px;border-right:1px solid #526057;position:relative}
        .process-item:last-child{border-right:0}
        .process-item:before{content:"";position:absolute;top:-6px;left:22px;width:11px;height:11px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px var(--deep)}
        .process-item b{display:block;color:var(--lime);font-size:14px;margin-bottom:10px}
        .process-item h3{font-size:18px;margin:0 0 7px}
        .process-item p{font-size:13px;color:#b8c1b8;margin:0}
        .support-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
        .support-card{background:var(--white);padding:28px;border:1px solid var(--line);border-radius:14px}
        .support-card h3{font-size:21px;margin:0 0 15px}
        .check-list{list-style:none;padding:0;margin:0}
        .check-list li{padding:12px 0 12px 29px;border-bottom:1px solid var(--line);position:relative}
        .check-list li:last-child{border:0}
        .check-list li:before{content:"✓";position:absolute;left:0;color:#6f8e00;font-weight:bold}
        .notice{background:#fff4e7;border-left:4px solid var(--orange);padding:18px 20px;color:#704b28;font-size:14px}
        .faq{background:#eef0e9}
        .accordion-item{border:0;border-bottom:1px solid var(--line)!important;background:transparent}
        .accordion-button{background:transparent!important;color:var(--ink);font-weight:750;padding:21px 3px;box-shadow:none!important}
        .accordion-button:after{filter:brightness(.4)}
        .accordion-button:not(.collapsed){color:#687d0b}
        .accordion-body{padding:0 32px 21px 3px;color:var(--muted);font-size:14px}
        .cta{background:var(--lime);padding:64px 0}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{font-size:clamp(27px,3.5vw,42px);margin:0 0 8px;line-height:1.2}
        .cta p{margin:0;color:#3e4a1d}
        .cta .btn-dark{background:var(--deep);color:#fff;padding:13px 21px;border-radius:8px;font-weight:750;border:0}
        .cta .btn-dark:hover{background:#39443c;transform:translateY(-2px)}
        footer{background:var(--deep);color:#eef2e9;padding:62px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.25fr .8fr .9fr 1fr;gap:36px}
        .footer-brand{font-size:20px;font-weight:850;margin-bottom:12px}
        footer p,footer a{color:#b7c0b7;font-size:14px}
        footer p{margin:0}
        footer h3{font-size:14px;color:var(--lime);margin:0 0 14px}
        footer a{display:block;margin:7px 0}
        footer a:hover{color:var(--lime)}
        .copyright{border-top:1px solid #48524b;margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#89958a;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:992px){
            .nav-link{padding:14px 0!important}.nav-link.active:after{left:0;right:auto;width:38px;bottom:5px}
            .nav-cta{display:inline-block;margin:12px 0}
            .hero-layout,.intro-grid,.dashboard-grid{grid-template-columns:1fr;gap:30px}
            .hero-layout{min-height:auto;padding:75px 0}
            .hero-panel{max-width:520px}
            .process{grid-template-columns:repeat(2,1fr);border-top:0}
            .process-item{border-top:1px solid #526057;border-right:0}
            .process-item:nth-child(odd){border-right:1px solid #526057}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .topbar .inner,.trust,.top-contact{flex-wrap:wrap;gap:7px 14px}
            .topbar .inner{padding-top:9px;padding-bottom:9px}
            .section{padding:68px 0}.section-sm{padding:50px 0}
            .feature-list,.support-grid{grid-template-columns:1fr}
            .intro-image img{height:270px}
            .lead-number{font-size:60px}
            .cta-inner{display:block}.cta .btn-dark{margin-top:22px}
        }
        @media(max-width:520px){
            .container{padding-left:17px;padding-right:17px}
            .brand{font-size:16px}.brand small{font-size:8px;letter-spacing:1px}
            h1{font-size:38px;letter-spacing:-1px}
            .hero-copy p{font-size:16px}
            .metric-row{gap:8px}.metric strong{font-size:21px}
            .process{grid-template-columns:1fr}
            .process-item,.process-item:nth-child(odd){border-right:0}
            .bars{gap:8px;padding:0 4px}
            .footer-grid{grid-template-columns:1fr;gap:28px}
            .copyright{display:block;line-height:2}
        }

/* roulang page: category3 */
:root{
            --ink:#171a19;
            --deep:#202522;
            --deep-2:#2b322d;
            --lime:#c9f238;
            --lime-dark:#a8cf17;
            --paper:#f4f3ee;
            --white:#fffefa;
            --muted:#707873;
            --line:#dfe1d8;
            --orange:#ed9c4c;
            --red:#d9684e;
            --radius:16px;
            --shadow:0 16px 42px rgba(26,31,28,.09);
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--paper);
            color:var(--ink);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
            font-size:16px;
            line-height:1.7;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none;transition:.25s ease}
        a:hover{color:var(--lime-dark)}
        img{display:block;max-width:100%}
        button,input,textarea,select{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
            outline:3px solid var(--lime);
            outline-offset:3px;
        }
        .container{max-width:1240px;margin:auto;padding-left:22px;padding-right:22px}
        .topbar{background:var(--deep);color:#d9ded7;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
        .topbar .inner{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:20px}
        .trust,.top-contact{display:flex;gap:24px;align-items:center}
        .trust span:first-child{color:var(--lime);font-weight:700}
        .nav-wrap{background:var(--deep);color:#f7f8f1;position:sticky;top:0;z-index:20;box-shadow:0 4px 18px rgba(0,0,0,.12)}
        .navbar{min-height:74px;padding:0}
        .brand{font-weight:800;font-size:19px;display:flex;align-items:center;gap:11px;white-space:nowrap}
        .brand:hover{color:#fff}
        .brand-mark{width:31px;height:31px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-weight:900}
        .brand small{display:block;font-size:10px;letter-spacing:2px;color:#aeb6ad;font-weight:500}
        .nav-link{color:#c8cec7!important;font-size:14px;padding:25px 13px!important;position:relative}
        .nav-link:hover,.nav-link.active{color:var(--lime)!important}
        .nav-link.active:after{content:"";position:absolute;bottom:12px;left:13px;right:13px;height:3px;background:var(--lime)}
        .nav-cta,.btn-primary{
            background:var(--lime);color:var(--ink);border:0;font-weight:750;
            padding:12px 19px;border-radius:8px;display:inline-block
        }
        .nav-cta:hover,.btn-primary:hover{background:#e0ff65;color:#111;transform:translateY(-2px)}
        .btn-outline{
            padding:11px 19px;border:1px solid rgba(255,255,255,.45);border-radius:8px;
            color:#fff;display:inline-block;background:transparent
        }
        .btn-outline:hover{border-color:var(--lime);color:var(--lime)}
        .hero{
            min-height:535px;
            background:var(--deep);
            position:relative;
            color:#fff;
            overflow:hidden;
        }
        .hero:before{
            content:"";position:absolute;inset:0;
            background:linear-gradient(90deg,rgba(20,24,22,.97) 5%,rgba(20,24,22,.83) 42%,rgba(20,24,22,.32)),
            url("/assets/images/backpic/back-6.webp") center/cover;
        }
        .hero-inner{position:relative;min-height:535px;display:grid;grid-template-columns:1fr 440px;gap:55px;align-items:center;padding-top:55px;padding-bottom:55px}
        .eyebrow,.kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--lime);font-weight:750;margin-bottom:17px}
        .hero-copy h1{font-size:clamp(36px,5vw,64px);line-height:1.13;letter-spacing:0;margin:0 0 20px;font-weight:850;max-width:700px}
        .hero-copy h1 em{font-style:normal;color:var(--lime)}
        .hero-copy p{font-size:18px;color:#d5dbd2;max-width:650px;margin:0 0 30px}
        .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
        .preview-panel{background:rgba(29,35,32,.94);border:1px solid rgba(201,242,56,.52);padding:22px;box-shadow:0 20px 55px rgba(0,0,0,.25)}
        .preview-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #465048;padding-bottom:14px;margin-bottom:18px}
        .live-label{display:flex;gap:8px;align-items:center;font-size:13px;color:#e9eee5}
        .live-dot{width:8px;height:8px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(201,242,56,.14)}
        .preview-top small{color:#aeb8ad}
        .preview-panel h2{font-size:21px;line-height:1.35;margin:0 0 13px}
        .countdown{display:flex;gap:8px;margin:17px 0 21px}
        .time-box{background:#111613;border:1px solid #3d483e;min-width:72px;text-align:center;padding:9px 4px}
        .time-box strong{display:block;color:var(--lime);font-size:25px;line-height:1.2}
        .time-box span{display:block;color:#aeb8ad;font-size:11px;margin-top:3px}
        .preview-note{font-size:13px;color:#bbc4ba;margin:0 0 17px}
        .reminder-btn{width:100%;border:1px solid var(--lime);background:transparent;color:var(--lime);padding:10px;border-radius:7px;font-weight:700}
        .reminder-btn:hover{background:var(--lime);color:var(--ink)}
        .section{padding:96px 0}
        .section-sm{padding:68px 0}
        .section-head{max-width:720px;margin-bottom:40px}
        .section-head h2{font-size:clamp(29px,3.5vw,45px);line-height:1.2;letter-spacing:0;margin:0 0 14px;font-weight:820}
        .section-head p{color:var(--muted);margin:0;font-size:16px}
        .section-head.split{display:flex;justify-content:space-between;align-items:end;gap:40px;max-width:none}
        .section-head.split>div:first-child{max-width:680px}
        .muted-label{color:var(--muted);font-size:13px}
        .safety-intro{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:center}
        .intro-image{position:relative}
        .intro-image img{width:100%;height:390px;object-fit:cover;border-radius:14px;box-shadow:var(--shadow)}
        .image-caption{position:absolute;left:18px;bottom:18px;background:var(--deep);color:#fff;padding:10px 14px;font-size:13px;border-left:3px solid var(--lime)}
        .intro-points{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:27px}
        .intro-point{border-top:2px solid var(--lime-dark);padding-top:11px}
        .intro-point strong{display:block;font-size:28px;line-height:1.2}
        .intro-point span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
        .risk-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}
        .risk-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .risk-item{background:var(--white);border:1px solid var(--line);padding:22px 20px;border-radius:12px;transition:.25s}
        .risk-item:hover{border-color:var(--lime-dark);transform:translateY(-3px);box-shadow:var(--shadow)}
        .risk-index{font-size:12px;color:#758a13;font-weight:800;letter-spacing:1px}
        .risk-item h3{font-size:18px;margin:9px 0 7px}
        .risk-item p{font-size:14px;color:var(--muted);margin:0}
        .risk-aside{background:var(--deep);color:#fff;padding:27px;border-radius:12px;position:relative;overflow:hidden}
        .risk-aside:after{content:"";position:absolute;right:-35px;bottom:-55px;width:180px;height:180px;border:1px solid rgba(201,242,56,.35);transform:rotate(45deg)}
        .risk-aside h3{font-size:23px;line-height:1.35;margin:0 0 22px;position:relative;z-index:1}
        .alert-row{display:flex;gap:12px;align-items:flex-start;border-top:1px solid #465149;padding:15px 0;position:relative;z-index:1}
        .badge{font-size:11px;padding:4px 9px;border-radius:20px;background:#5a3020;color:#ffbd77;white-space:nowrap}
        .badge.green{background:#33451b;color:var(--lime)}
        .alert-row strong{display:block;font-size:14px}
        .alert-row small{color:#b7c0b7;font-size:12px}
        .process{background:#eef0e9}
        .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
        .process-line:before{content:"";position:absolute;top:22px;left:8%;right:8%;height:1px;background:#bcc5b9}
        .process-step{position:relative;padding:0 17px;text-align:left}
        .step-number{width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:var(--deep);color:var(--lime);font-weight:800;border:5px solid #eef0e9;position:relative;margin-bottom:17px}
        .process-step h3{font-size:17px;margin:0 0 7px}
        .process-step p{font-size:13px;color:var(--muted);margin:0}
        .behavior-zone{background:var(--deep);color:#fff}
        .behavior-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
        .behavior-zone .section-head p{color:#b7c0b7}
        .behavior-image img{width:100%;height:365px;object-fit:cover;border-radius:8px;border:1px solid #4b564e}
        .behavior-list{border-top:1px solid #465149}
        .behavior-item{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #465149;padding:18px 0}
        .behavior-item strong{font-size:16px}
        .behavior-item span{font-size:13px;color:#b7c0b7}
        .meter{height:7px;background:#3a443d;min-width:140px;position:relative}
        .meter i{display:block;height:100%;background:var(--lime);width:72%}
        .meter.orange i{background:var(--orange);width:43%}
        .meter.red i{background:var(--red);width:28%}
        .data-section{background:#f0efe8}
        .data-board{background:var(--white);border:1px solid var(--line);padding:26px;border-radius:10px}
        .metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:30px}
        .metric{border-left:3px solid var(--lime-dark);padding-left:15px}
        .metric strong{font-size:32px;line-height:1.1;display:block}
        .metric span{font-size:13px;color:var(--muted)}
        .bars{height:180px;display:flex;align-items:end;gap:16px;border-bottom:1px solid var(--line);padding:0 20px}
        .bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:end}
        .bar{width:100%;max-width:48px;background:var(--deep);min-height:18px;border-radius:4px 4px 0 0}
        .bar.highlight{background:var(--lime-dark)}
        .bar-col small{font-size:11px;color:var(--muted)}
        .advantage-section{background:var(--paper)}
        .adv-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:16px}
        .adv-item{background:var(--white);border:1px solid var(--line);padding:23px;border-radius:12px;min-height:150px;transition:.25s}
        .adv-item:nth-child(2),.adv-item:nth-child(5){background:var(--deep);color:#fff}
        .adv-item:hover{border-color:var(--lime-dark);transform:translateY(-4px)}
        .adv-item b{font-size:12px;color:var(--lime-dark);letter-spacing:1px}
        .adv-item:nth-child(2) b,.adv-item:nth-child(5) b{color:var(--lime)}
        .adv-item h3{font-size:19px;margin:12px 0 7px}
        .adv-item p{font-size:13px;color:var(--muted);margin:0}
        .adv-item:nth-child(2) p,.adv-item:nth-child(5) p{color:#bdc6bc}
        .support-section{background:#e9ebe3}
        .support-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:35px;align-items:stretch}
        .support-photo img{height:310px;width:100%;object-fit:cover;border-radius:12px}
        .support-copy{display:grid;grid-template-columns:1fr 1fr;gap:13px}
        .support-card{padding:18px;background:var(--white);border:1px solid var(--line);border-radius:10px}
        .support-card h3{font-size:16px;margin:0 0 6px}
        .support-card p{font-size:13px;color:var(--muted);margin:0}
        .faq{background:#eef0e9}
        .accordion-item{border:0;border-bottom:1px solid var(--line)!important;background:transparent}
        .accordion-button{background:transparent!important;color:var(--ink);box-shadow:none!important;font-weight:750;padding:20px 4px;font-size:17px}
        .accordion-button:after{background-image:none;content:"+";font-size:25px;font-weight:400;color:#6d8509;width:auto;height:auto}
        .accordion-button:not(.collapsed){color:#667d08}
        .accordion-button:not(.collapsed):after{content:"−";transform:none}
        .accordion-body{padding:0 40px 20px 4px;color:var(--muted);font-size:14px}
        .cta-section{background:var(--deep);color:#fff;padding:70px 0}
        .cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
        .cta-section h2{font-size:clamp(29px,4vw,45px);line-height:1.2;margin:0 0 15px}
        .cta-section p{color:#c0c9be;margin:0;max-width:610px}
        .contact-form{background:#f7f8f1;padding:25px;border-radius:12px;color:var(--ink)}
        .contact-form .form-label{font-size:13px;font-weight:750;margin-bottom:5px}
        .form-control,.form-select{border:1px solid #ccd2c7;border-radius:7px;min-height:45px;background:#fff}
        .form-control:focus,.form-select:focus{border-color:var(--lime-dark);box-shadow:0 0 0 3px rgba(201,242,56,.24)}
        textarea.form-control{min-height:84px}
        .form-message{font-size:13px;color:#617a08;margin:11px 0 0;display:none}
        footer{background:#171b19;color:#d8dfd5;padding:62px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:38px}
        .footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
        footer p{font-size:13px;color:#aeb7ad;margin:0}
        footer h3{font-size:14px;color:var(--lime);margin:0 0 15px}
        footer a{display:block;color:#b8c1b8;font-size:13px;margin:8px 0}
        footer a:hover{color:var(--lime)}
        .copyright{border-top:1px solid #394139;margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#89938a;font-size:12px}
        @media (max-width:1199px){
            .nav-link{padding-left:9px!important;padding-right:9px!important;font-size:13px}
            .nav-link.active:after{left:9px;right:9px}
            .hero-inner{grid-template-columns:1fr 380px;gap:35px}
        }
        @media (max-width:991px){
            .topbar .inner{padding-top:8px;padding-bottom:8px}
            .trust span:first-child{display:none}
            .top-contact{margin-left:auto}
            .navbar{padding:13px 0}
            .navbar-collapse{background:var(--deep);padding:12px 0 8px}
            .nav-link{padding:12px 0!important}
            .nav-link.active:after{left:0;right:auto;width:34px;bottom:4px}
            .hero-inner,.safety-intro,.risk-layout,.behavior-grid,.support-grid,.cta-grid{grid-template-columns:1fr}
            .hero-inner{padding-top:65px;padding-bottom:65px}
            .preview-panel{max-width:510px}
            .section{padding:75px 0}
            .behavior-grid{gap:35px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media (max-width:767px){
            .container{padding-left:17px;padding-right:17px}
            .trust,.top-contact{gap:10px;font-size:11px}
            .top-contact span:first-child{display:none}
            .hero-copy h1{font-size:42px}
            .hero-copy p{font-size:16px}
            .hero-inner{min-height:0}
            .section-head.split{display:block}
            .section-head.split .muted-label{display:block;margin-top:15px}
            .intro-points,.risk-list,.support-copy{grid-template-columns:1fr}
            .intro-image img{height:290px}
            .process-line{grid-template-columns:1fr 1fr;gap:28px 0}
            .process-line:before{display:none}
            .metric-row{grid-template-columns:1fr 1fr;gap:22px}
            .adv-grid{grid-template-columns:1fr 1fr}
            .adv-item{min-height:170px}
            .adv-item:first-child{grid-column:span 2}
            .behavior-image img{height:270px}
            .cta-grid{gap:30px}
        }
        @media (max-width:520px){
            .brand{font-size:16px;gap:8px}
            .brand small{font-size:8px;letter-spacing:1px}
            .brand-mark{width:28px;height:28px}
            .hero-copy h1{font-size:35px}
            .hero-actions{display:grid;grid-template-columns:1fr}
            .hero-actions a{text-align:center}
            .preview-panel{padding:18px}
            .time-box{min-width:0;flex:1}
            .countdown{gap:5px}
            .risk-list{grid-template-columns:1fr}
            .metric-row{gap:14px}
            .metric strong{font-size:27px}
            .bars{gap:7px;padding:0 5px}
            .adv-grid{grid-template-columns:1fr}
            .adv-item:first-child{grid-column:auto}
            .footer-grid{grid-template-columns:1fr;gap:25px}
            .copyright{display:block;line-height:2}
        }

/* roulang page: category5 */
:root{
      --ink:#171a19;
      --deep:#202522;
      --lime:#c9f238;
      --lime-dark:#a8cf17;
      --paper:#f4f3ee;
      --white:#fffefa;
      --muted:#707873;
      --line:#dfe1d8;
      --orange:#ed9c4c;
      --red:#d86d4d;
      --radius:16px;
      --shadow:0 16px 42px rgba(26,31,28,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.7;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .container{max-width:1240px;margin:auto;padding-left:22px;padding-right:22px}
    .topbar{background:var(--deep);color:#d9ded7;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
    .topbar .inner{min-height:42px;display:flex;align-items:center;justify-content:space-between}
    .trust,.top-contact{display:flex;gap:25px;align-items:center}
    .nav-wrap{background:var(--deep);color:#f7f8f1;position:sticky;top:0;z-index:20;box-shadow:0 4px 18px rgba(0,0,0,.12)}
    .navbar{min-height:74px;padding:0}
    .brand{font-weight:800;font-size:19px;display:flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-mark{width:31px;height:31px;background:var(--lime);color:var(--ink);display:grid;place-items:center;border-radius:8px;font-weight:900}
    .brand small{display:block;font-size:10px;letter-spacing:1px;color:#aeb6ad;font-weight:500}
    .nav-link{color:#c8cec7!important;font-size:14px;padding:25px 13px!important;position:relative}
    .nav-link:hover,.nav-link.active{color:var(--lime)!important}
    .nav-link.active:after{content:"";position:absolute;bottom:12px;left:13px;right:13px;height:3px;background:var(--lime)}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);border:0;font-weight:750;padding:12px 19px;border-radius:8px}
    .nav-cta:hover,.btn-primary:hover{background:#e0ff65;color:#111;transform:translateY(-2px)}
    .btn-outline{display:inline-block;padding:11px 19px;border:1px solid rgba(255,255,255,.45);border-radius:8px;color:#fff}
    .btn-outline:hover{border-color:var(--lime);color:var(--lime)}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--lime-dark);outline-offset:3px}
    .page-hero{position:relative;min-height:430px;background:var(--deep);color:#fff;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,24,22,.96) 12%,rgba(20,24,22,.78) 55%,rgba(20,24,22,.42)),url("/assets/images/backpic/back-6.webp") center/cover}
    .hero-inner{position:relative;min-height:430px;display:flex;align-items:center}
    .hero-copy{max-width:760px;padding:55px 0}
    .eyebrow,.kicker{font-size:12px;letter-spacing:2px;color:var(--lime);font-weight:750;margin-bottom:16px}
    h1{font-size:clamp(34px,5vw,64px);line-height:1.16;letter-spacing:-1px;margin:0 0 20px;font-weight:850}
    .hero-copy p{font-size:18px;color:#d5dbd2;max-width:690px;margin:0 0 28px}
    .hero-panel{position:absolute;right:22px;bottom:38px;width:285px;background:rgba(28,34,31,.94);border:1px solid rgba(201,242,56,.45);padding:20px}
    .hero-panel strong{display:block;font-size:30px;color:var(--lime);line-height:1.2}
    .hero-panel span{font-size:13px;color:#c6cec4}
    .section{padding:92px 0}
    .section-sm{padding:68px 0}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.2;margin:0 0 14px;font-weight:820}
    .section-head p{color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:68px;align-items:center}
    .intro-grid img{width:100%;height:355px;object-fit:cover;border-radius:14px;box-shadow:var(--shadow)}
    .metric-line{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}
    .metric{background:var(--white);border-left:3px solid var(--lime-dark);padding:15px 17px}
    .metric strong{font-size:25px;display:block;line-height:1.2}
    .metric span{font-size:12px;color:var(--muted)}
    .report-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px;align-items:stretch}
    .report-list{display:grid;gap:10px}
    .report-item{display:flex;gap:15px;align-items:flex-start;padding:19px;background:var(--white);border:1px solid var(--line);border-radius:12px;transition:.25s}
    .report-item:hover{border-color:var(--lime-dark);transform:translateX(4px);box-shadow:var(--shadow)}
    .report-number{width:31px;height:31px;flex:0 0 31px;background:var(--deep);color:var(--lime);display:grid;place-items:center;border-radius:7px;font-weight:800}
    .report-item h3{font-size:17px;margin:0 0 4px}
    .report-item p{font-size:13px;color:var(--muted);margin:0}
    .dashboard{background:var(--deep);color:#f6f8f0;border-radius:12px;padding:25px;min-height:390px;border:1px solid #39433c}
    .dash-top{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #465149;padding-bottom:18px;margin-bottom:20px}
    .dash-top h3{font-size:20px;margin:0}
    .status{font-size:11px;color:var(--lime);border:1px solid #617a21;padding:3px 8px;border-radius:20px;white-space:nowrap}
    .dash-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .dash-stat{background:#2a312c;padding:15px;border-radius:8px}
    .dash-stat small{color:#aeb8ad;font-size:12px}
    .dash-stat b{display:block;color:var(--lime);font-size:25px}
    .bars{height:155px;display:flex;align-items:end;gap:12px;border-bottom:1px solid #536055;padding:16px 5px 0;margin-top:17px}
    .bar{flex:1;background:var(--lime);min-height:25px;position:relative;opacity:.9}
    .bar:nth-child(2),.bar:nth-child(5){background:#e3e9d4}
    .bar span{position:absolute;bottom:-27px;left:50%;transform:translateX(-50%);font-size:11px;color:#9fa99d}
    .dashboard-foot{display:flex;justify-content:space-between;color:#aeb8ad;font-size:12px;margin-top:35px}
    .dimensions{background:#eef0e9}
    .dimension-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .dimension{padding:21px 17px;border-top:4px solid var(--deep);background:var(--white);min-height:150px}
    .dimension:nth-child(2){border-color:var(--lime-dark)}
    .dimension:nth-child(3){border-color:var(--orange)}
    .dimension:nth-child(4){border-color:#758b43}
    .dimension:nth-child(5){border-color:var(--red)}
    .dimension b{display:block;font-size:18px;margin-bottom:8px}
    .dimension span{font-size:13px;color:var(--muted)}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-step{position:relative;padding:27px 22px 10px;border-right:1px solid var(--line)}
    .process-step:last-child{border-right:0}
    .process-step:before{content:"";position:absolute;top:-6px;left:22px;width:11px;height:11px;background:var(--lime);border:3px solid var(--paper);border-radius:50%}
    .process-step em{font-style:normal;color:#778900;font-weight:800;font-size:13px}
    .process-step h3{font-size:18px;margin:8px 0}
    .process-step p{font-size:13px;color:var(--muted);margin:0}
    .image-band{background:var(--deep);color:#fff}
    .image-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .image-grid img{height:350px;width:100%;object-fit:cover;border-radius:12px}
    .check-list{list-style:none;padding:0;margin:22px 0 0}
    .check-list li{padding:11px 0 11px 28px;border-bottom:1px solid #465149;position:relative;color:#d7ddd4}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:bold}
    .support-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .support{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:12px}
    .support h3{font-size:19px;margin:0 0 8px}
    .support p{color:var(--muted);font-size:14px;margin:0}
    .faq{background:#eef0e9}
    .accordion-item{border:0;border-bottom:1px solid var(--line)!important;background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:750;padding:21px 4px}
    .accordion-button:after{background-image:none;content:"+";font-size:24px;color:#718700}
    .accordion-button:not(.collapsed):after{content:"−"}
    .accordion-body{padding:0 35px 20px 4px;color:var(--muted);font-size:14px}
    .cta{background:var(--lime);padding:55px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(26px,3.5vw,42px);line-height:1.2;margin:0 0 8px;font-weight:830}
    .cta p{margin:0;color:#3f4b1f}
    .cta .btn-primary{background:var(--deep);color:#fff}
    .cta .btn-primary:hover{background:#354038}
    footer{background:var(--deep);color:#dce2d9;padding:65px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand{font-size:21px;font-weight:800;color:#fff;margin-bottom:12px}
    footer p{font-size:14px;color:#aeb8ad;line-height:1.9;margin:0}
    footer h3{font-size:15px;color:var(--lime);margin:0 0 16px}
    footer a{display:block;color:#b7c0b7;font-size:14px;margin:8px 0}
    footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #465149;margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;color:#89958a;font-size:12px}
    @media(max-width:992px){
      .nav-link{padding:12px 0!important}.nav-link.active:after{left:0;right:auto;width:35px;bottom:5px}
      .hero-panel{position:relative;right:auto;bottom:auto;margin:15px 0 0}
      .hero-inner{display:block;padding-top:45px}.hero-copy{padding-bottom:15px}
      .intro-grid,.report-layout,.image-grid{grid-template-columns:1fr;gap:30px}
      .dimension-grid{grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .topbar .inner,.trust,.top-contact{gap:10px}.trust span:nth-child(2),.top-contact span:first-child{display:none}
      .page-hero,.hero-inner{min-height:390px}
      .hero-copy p{font-size:16px}
      .metric-line,.support-grid{grid-template-columns:1fr 1fr}
      .process-grid{grid-template-columns:1fr 1fr}
      .process-step{border-bottom:1px solid var(--line)}
      .dimension-grid{grid-template-columns:1fr 1fr}
      .cta-inner{display:block}.cta .btn-primary{margin-top:22px}
    }
    @media(max-width:520px){
      .container{padding-left:17px;padding-right:17px}
      .brand{font-size:16px}.brand small{font-size:8px}
      h1{font-size:36px}.section{padding:68px 0}
      .hero-panel{width:100%}.metric-line,.support-grid,.dimension-grid{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}.process-step{border-right:0}
      .dash-stats{grid-template-columns:1fr 1fr}.dash-stat:last-child{grid-column:span 2}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .copyright{display:block}.copyright 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}