/* roulang page: index */
:root{
            --ink:#171b1c;
            --ink-soft:#252b2c;
            --paper:#f5f5ef;
            --paper-deep:#e9e9df;
            --white:#fffef9;
            --muted:#6b7370;
            --line:#d9ddd5;
            --acid:#d7ff3f;
            --acid-dark:#a8c91f;
            --orange:#f26b3a;
            --shadow:0 18px 45px rgba(22,28,28,.10);
            --shadow-dark:0 20px 55px rgba(0,0,0,.26);
            --radius:18px;
            --radius-sm:12px;
        }

        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            font-size:16px;
            line-height:1.78;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%;height:auto}
        button,input,select,textarea{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
            outline:3px solid var(--acid);
            outline-offset:3px;
        }
        .container{max-width:1220px;padding-left:22px;padding-right:22px}
        .topbar{
            background:#101414;
            color:#cfd6cf;
            font-size:13px;
            border-bottom:1px solid rgba(255,255,255,.09);
        }
        .topbar-inner{
            min-height:38px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:20px;
        }
        .topbar strong{color:var(--acid);font-weight:700}
        .topbar-links{display:flex;align-items:center;gap:22px}
        .topbar-links a{transition:color .2s ease}
        .topbar-links a:hover{color:var(--acid)}
        .main-nav{
            position:sticky;
            top:0;
            z-index:1030;
            background:rgba(23,27,28,.97);
            box-shadow:0 8px 25px rgba(0,0,0,.13);
        }
        .navbar{padding:15px 0}
        .navbar-brand{
            display:flex;
            align-items:center;
            gap:11px;
            color:#fff;
            font-weight:800;
            letter-spacing:-.04em;
            font-size:18px;
            line-height:1.2;
            white-space:nowrap;
        }
        .brand-mark{
            width:35px;height:35px;
            display:grid;place-items:center;
            color:var(--ink);
            background:var(--acid);
            border-radius:10px 10px 10px 3px;
            font-weight:900;
            font-size:15px;
        }
        .navbar-toggler{
            border:1px solid rgba(255,255,255,.25);
            padding:8px 10px;
            border-radius:9px;
        }
        .navbar-toggler-icon{filter:invert(1)}
        .navbar-nav{gap:5px}
        .nav-link{
            color:#cbd2cc!important;
            padding:10px 13px!important;
            border-radius:8px;
            font-size:14px;
            transition:background .2s ease,color .2s ease;
        }
        .nav-link:hover,.nav-link.active{
            color:var(--acid)!important;
            background:rgba(215,255,63,.09);
        }
        .dropdown-menu{
            background:#202727;
            border:1px solid rgba(255,255,255,.14);
            border-radius:12px;
            padding:8px;
            box-shadow:var(--shadow-dark);
        }
        .dropdown-item{
            color:#d8ded8;
            border-radius:8px;
            padding:9px 12px;
            font-size:14px;
        }
        .dropdown-item:hover,.dropdown-item:focus{
            color:var(--ink);
            background:var(--acid);
        }
        .btn-main,.btn-outline-light-custom,.btn-dark-custom{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-height:46px;
            padding:10px 20px;
            border-radius:10px;
            font-size:14px;
            font-weight:700;
            border:1px solid transparent;
            transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
        }
        .btn-main{
            background:var(--acid);
            color:var(--ink);
            box-shadow:0 8px 20px rgba(215,255,63,.15);
        }
        .btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,255,63,.22)}
        .btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}
        .btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
        .btn-dark-custom{background:var(--ink);color:#fff}
        .btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
        .section{padding:94px 0}
        .section-sm{padding:64px 0}
        .section-head{max-width:700px;margin-bottom:38px}
        .eyebrow{
            display:inline-flex;
            align-items:center;
            gap:8px;
            color:#5e7112;
            font-size:12px;
            font-weight:800;
            letter-spacing:.11em;
            text-transform:uppercase;
            margin-bottom:14px;
        }
        .eyebrow::before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
        h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.045em;line-height:1.2}
        h1{font-size:clamp(42px,6vw,78px)}
        h2{font-size:clamp(30px,4vw,50px)}
        h3{font-size:22px}
        .section-head p{margin:17px 0 0;color:var(--muted);max-width:640px}
        .hero{
            min-height:690px;
            position:relative;
            display:flex;
            align-items:center;
            color:#fff;
            background:#181d1d;
            overflow:hidden;
        }
        .hero-slide{
            min-height:690px;
            background-size:cover;
            background-position:center;
            position:relative;
        }
        .hero-slide::before{
            content:"";
            position:absolute;inset:0;
            background:linear-gradient(90deg,rgba(13,18,18,.92) 0%,rgba(13,18,18,.65) 45%,rgba(13,18,18,.20) 100%);
        }
        .hero-content{position:relative;z-index:2;padding:105px 0 120px}
        .hero-kicker{
            display:flex;align-items:center;gap:13px;
            color:var(--acid);font-size:13px;font-weight:800;
            margin-bottom:23px;
        }
        .hero-kicker span{
            border:1px solid rgba(215,255,63,.5);
            padding:5px 9px;border-radius:5px;
            letter-spacing:.08em;
        }
        .hero h1{max-width:720px}
        .hero-lead{
            max-width:690px;
            margin:26px 0 30px;
            color:#e1e6df;
            font-size:18px;
            line-height:1.9;
        }
        .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
        .hero-meta{
            display:flex;gap:28px;flex-wrap:wrap;
            margin-top:50px;color:#bac3ba;font-size:13px;
        }
        .hero-meta b{display:block;color:var(--acid);font-size:22px;line-height:1.2}
        .hero-side-card{
            position:absolute;right:8%;top:50%;transform:translateY(-50%);
            z-index:2;width:275px;background:rgba(21,27,27,.88);
            border:1px solid rgba(215,255,63,.37);border-radius:16px;
            padding:22px;box-shadow:var(--shadow-dark);
        }
        .side-card-label{font-size:12px;color:#aab5aa;margin-bottom:10px}
        .score-row{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid rgba(255,255,255,.12);padding:13px 0}
        .score-row:last-child{border:0}
        .score-row strong{font-size:26px;color:#fff}
        .score-row small{color:var(--acid);font-size:12px}
        .carousel-control-prev,.carousel-control-next{width:7%;z-index:3}
        .carousel-indicators{z-index:3;bottom:27px;justify-content:flex-start;padding-left:max(22px,calc((100% - 1176px)/2));margin-left:0}
        .carousel-indicators button{width:34px;height:4px;border:0;background:#8f988d;opacity:1}
        .carousel-indicators button.active{background:var(--acid)}
        .intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:75px;align-items:center}
        .intro-copy p{color:var(--muted);margin:20px 0 24px}
        .check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
        .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px}
        .check-list li::before{content:"✓";flex:0 0 22px;height:22px;display:grid;place-items:center;background:var(--acid);border-radius:5px;font-size:13px;font-weight:900}
        .interface-panel{
            background:#202727;border-radius:20px;padding:17px;
            box-shadow:var(--shadow);position:relative;
        }
        .interface-panel img{width:100%;height:370px;object-fit:cover;border-radius:12px;opacity:.82}
        .interface-caption{
            position:absolute;left:35px;right:35px;bottom:32px;
            background:rgba(20,25,25,.91);border-left:3px solid var(--acid);
            padding:14px 17px;color:#fff;font-size:13px;
        }
        .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
        .matrix-card{
            background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
            padding:25px;min-height:184px;position:relative;overflow:hidden;
            transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
        }
        .matrix-card:hover{transform:translateY(-4px);border-color:var(--acid-dark);box-shadow:var(--shadow)}
        .matrix-no{position:absolute;right:18px;top:16px;font-size:12px;color:#9aa29a;font-weight:800}
        .matrix-icon{width:39px;height:39px;background:var(--ink);color:var(--acid);display:grid;place-items:center;border-radius:10px;font-weight:800;margin-bottom:20px}
        .matrix-card h3{font-size:19px;margin-bottom:9px}
        .matrix-card p{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 13px}
        .tag{display:inline-flex;padding:4px 8px;border-radius:5px;font-size:11px;font-weight:700;background:#edf4cc;color:#5b6e0d}
        .panorama{background:#e6e8df}
        .flow-board{background:var(--ink);color:#fff;border-radius:22px;padding:32px;overflow:hidden}
        .flow-board-top{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid rgba(255,255,255,.13);padding-bottom:24px;margin-bottom:26px}
        .flow-board-top p{margin:0;color:#aeb8ad;font-size:13px}
        .status-pill{background:rgba(215,255,63,.13);color:var(--acid);padding:7px 11px;border-radius:6px;font-size:12px;font-weight:700;white-space:nowrap}
        .flow-line{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
        .flow-node{position:relative;padding:18px 8px 8px;border-top:2px solid #566058}
        .flow-node::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border:3px solid var(--ink);background:var(--acid);border-radius:50%}
        .flow-node strong{display:block;font-size:14px;margin-bottom:6px}
        .flow-node small{color:#aeb8ad;font-size:12px;line-height:1.6}
        .tool-strip{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:14px;margin-top:15px}
        .tool-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;min-height:130px}
        .tool-card:first-child{background:var(--acid)}
        .tool-card b{display:block;font-size:17px;margin-bottom:8px}
        .tool-card span{font-size:13px;color:#657066}
        .dark-section{background:#171c1c;color:#fff}
        .dark-section .section-head p{color:#aeb8ad}
        .stat-band{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18);margin-bottom:34px}
        .stat-item{padding:25px 18px;border-right:1px solid rgba(255,255,255,.13)}
        .stat-item:last-child{border:0}
        .stat-item strong{display:block;font-size:39px;color:var(--acid);letter-spacing:-.06em}
        .stat-item span{display:block;color:#bac4b9;font-size:13px;margin-top:5px}
        .metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
        .metric{padding:18px;border:1px solid rgba(255,255,255,.14);border-radius:12px}
        .metric b{display:block;color:#fff;font-size:15px;margin-bottom:5px}
        .metric span{font-size:12px;color:#aeb8ad}
        .timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin-top:30px}
        .timeline-step{padding:0 19px 0 0;position:relative}
        .timeline-step:not(:last-child)::after{content:"";position:absolute;top:14px;left:31px;right:0;height:1px;background:var(--line)}
        .timeline-dot{position:relative;z-index:1;width:29px;height:29px;background:var(--acid);color:var(--ink);border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:900;margin-bottom:18px}
        .timeline-step h3{font-size:16px;margin-bottom:8px}
        .timeline-step p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
        .scenario-grid{display:grid;grid-template-columns:1.25fr .75fr .9fr;grid-template-rows:170px 170px;gap:14px}
        .scenario-card{border-radius:16px;padding:25px;position:relative;overflow:hidden;background-size:cover;background-position:center;color:#fff;display:flex;flex-direction:column;justify-content:end}
        .scenario-card::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,18,18,.88),rgba(14,18,18,.10))}
        .scenario-card>*{position:relative;z-index:1}
        .scenario-card.large{grid-row:span 2}
        .scenario-card h3{font-size:20px;margin-bottom:4px}
        .scenario-card p{font-size:12px;color:#d9dfd7;margin:0;line-height:1.6}
        .case-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:16px}
        .case-main,.case-mini{border:1px solid rgba(255,255,255,.15);border-radius:17px;overflow:hidden;background:#222929}
        .case-main{display:grid;grid-template-columns:1fr 1fr}
        .case-main img{width:100%;height:100%;min-height:330px;object-fit:cover}
        .case-text{padding:29px}
        .case-text h3{font-size:27px;margin:16px 0}
        .case-text p,.case-mini p{color:#b6c0b5;font-size:13px}
        .case-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
        .case-facts div{border-top:1px solid rgba(255,255,255,.16);padding-top:9px;color:#aeb8ad;font-size:12px}
        .case-facts b{display:block;color:var(--acid);font-size:18px}
        .case-side{display:grid;gap:16px}
        .case-mini{padding:22px}
        .case-mini strong{display:block;color:var(--acid);font-size:12px;margin-bottom:9px}
        .story-track{display:flex;gap:15px;overflow-x:auto;padding:4px 0 16px;scrollbar-color:var(--acid) transparent}
        .story-card{flex:0 0 360px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px}
        .story-card blockquote{font-size:17px;line-height:1.65;margin:0 0 22px;font-weight:600}
        .story-card footer{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}
        .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
        .review{background:#fff;border:1px solid var(--line);border-radius:15px;padding:25px}
        .quote{font-size:45px;color:var(--acid-dark);line-height:.7;font-family:Georgia,serif}
        .review p{font-size:14px;margin:17px 0 20px}
        .review-meta{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px}
        .dashboard{background:#fff;border:1px solid var(--line);border-radius:19px;padding:24px;box-shadow:var(--shadow)}
        .dashboard-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}
        .dashboard-head h3{font-size:20px}
        .dashboard-head span{font-size:12px;color:var(--muted)}
        .dash-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:24px}
        .progress-label{display:flex;justify-content:space-between;font-size:13px;margin:13px 0 6px}
        .progress{height:8px;background:#e8ebe3;border-radius:4px}
        .progress-bar{background:var(--acid-dark);border-radius:4px}
        .mini-table{width:100%;font-size:13px}
        .mini-table th{color:#788078;font-weight:500;font-size:12px;padding:9px;border-bottom:1px solid var(--line)}
        .mini-table td{padding:11px 9px;border-bottom:1px solid #edf0ea}
        .live{color:#668300;font-weight:700}
        .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
        .news-feature{display:grid;grid-template-columns:.85fr 1.15fr;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
        .news-feature img{height:100%;min-height:250px;width:100%;object-fit:cover}
        .news-feature-content{padding:25px}
        .news-date{font-size:12px;color:#7c847a}
        .news-feature h3{margin:14px 0;font-size:22px}
        .news-feature p,.news-list a{font-size:13px;color:var(--muted)}
        .news-list{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 22px}
        .news-list a{display:flex;justify-content:space-between;gap:18px;padding:17px 0;border-bottom:1px solid var(--line);transition:color .2s ease}
        .news-list a:last-child{border:0}
        .news-list a:hover{color:#6f8c00}
        .news-list time{white-space:nowrap;font-size:12px;color:#98a098}
        .partner-band{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
        .partner{padding:12px 17px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:13px;color:#59625b}
        .assurance-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:25px}
        .assurance{padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px}
        .assurance b{display:block;font-size:14px;margin-bottom:4px}
        .assurance span{font-size:12px;color:var(--muted)}
        .faq-cta{background:var(--ink);color:#fff}
        .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
        .faq-grid .section-head p{color:#aeb8ad}
        .accordion-item{background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.17)}
        .accordion-button{background:transparent!important;color:#fff!important;box-shadow:none!important;padding:20px 0;font-weight:700}
        .accordion-button::after{filter:invert(1);opacity:.8}
        .accordion-body{padding:0 32px 20px 0;color:#b9c2b8;font-size:14px}
        .contact-box{margin-top:32px;padding:21px;border:1px solid rgba(215,255,63,.35);border-radius:13px}
        .contact-box strong{display:block;color:var(--acid);font-size:23px}
        .contact-box span{color:#b9c2b8;font-size:13px}
        .site-footer{background:#101414;color:#aeb8ad;padding:60px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.13)}
        .footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:13px}
        .footer-grid p{font-size:13px;line-height:1.8;margin:0}
        .footer-title{color:#fff;font-weight:700;font-size:14px;margin-bottom:14px}
        .footer-links{display:grid;gap:8px;font-size:13px}
        .footer-links a:hover{color:var(--acid)}
        .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:20px;font-size:12px}
        .footer-bottom a:hover{color:var(--acid)}
        @media (max-width:991px){
            .navbar-collapse{padding-top:14px}
            .navbar-nav{gap:2px}
            .hero-side-card{right:4%;width:235px}
            .intro-grid,.case-layout,.faq-grid{grid-template-columns:1fr;gap:35px}
            .matrix{grid-template-columns:repeat(2,1fr)}
            .flow-line,.timeline{grid-template-columns:repeat(3,1fr);row-gap:25px}
            .stat-band{grid-template-columns:repeat(2,1fr)}
            .stat-item:nth-child(2){border-right:0}
            .metric-grid{grid-template-columns:repeat(3,1fr)}
            .news-layout{grid-template-columns:1fr}
            .assurance-grid{grid-template-columns:repeat(3,1fr)}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:767px){
            .topbar-inner{padding-top:7px;padding-bottom:7px;align-items:flex-start}
            .topbar-links{gap:10px}
            .topbar-links a:first-child{display:none}
            .navbar-brand{font-size:16px}
            .hero,.hero-slide{min-height:720px}
            .hero-content{padding:80px 0 105px}
            .hero h1{font-size:45px}
            .hero-lead{font-size:16px}
            .hero-side-card{position:relative;right:auto;top:auto;transform:none;width:100%;max-width:370px;margin-top:36px}
            .intro-grid{gap:25px}
            .matrix{grid-template-columns:1fr}
            .flow-board{padding:22px}
            .flow-board-top{align-items:flex-start;flex-direction:column}
            .flow-line,.timeline{grid-template-columns:1fr;gap:23px}
            .flow-node:not(:last-child)::after{content:"";position:absolute;left:5px;top:28px;bottom:-24px;width:1px;background:#566058}
            .flow-node{padding-left:25px;border-top:0;border-left:2px solid #566058}
            .flow-node::before{left:-7px;top:0}
            .tool-strip{grid-template-columns:1fr}
            .stat-band{grid-template-columns:1fr 1fr}
            .stat-item{padding:20px 12px}
            .stat-item strong{font-size:31px}
            .metric-grid{grid-template-columns:1fr 1fr}
            .scenario-grid{grid-template-columns:1fr 1fr;grid-template-rows:180px 180px 180px}
            .scenario-card.large{grid-row:span 1;grid-column:span 2}
            .case-main{grid-template-columns:1fr}
            .case-main img{min-height:220px}
            .review-grid{grid-template-columns:1fr}
            .dash-grid{grid-template-columns:1fr}
            .news-feature{grid-template-columns:1fr}
            .news-feature img{min-height:190px}
            .assurance-grid{grid-template-columns:1fr 1fr}
            .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
            .section{padding:64px 0}
        }
        @media (max-width:520px){
            .container{padding-left:17px;padding-right:17px}
            .topbar{font-size:11px}
            .hero h1{font-size:39px}
            .hero-meta{gap:18px;margin-top:35px}
            .hero-actions .btn-main,.hero-actions .btn-outline-light-custom{width:100%}
            .scenario-grid{display:flex;flex-direction:column}
            .scenario-card,.scenario-card.large{min-height:180px}
            .story-card{flex-basis:300px}
            .footer-grid{grid-template-columns:1fr}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-bottom:8px}
        }

/* roulang page: category1 */
:root{--ink:#171b1c;--ink-soft:#252b2c;--paper:#f5f5ef;--paper-deep:#e9e9df;--white:#fffef9;--muted:#6b7370;--line:#d9ddd5;--acid:#d7ff3f;--acid-dark:#a8c91f;--orange:#f26b3a;--shadow:0 18px 45px rgba(22,28,28,.1);--shadow-dark:0 20px 55px rgba(0,0,0,.26);--radius:18px;--radius-sm:12px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--acid);outline-offset:3px}
.container{max-width:1220px;padding-left:22px;padding-right:22px}
.topbar{background:#101414;color:#cfd6cf;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09)}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:var(--acid);font-weight:700}.topbar-links{display:flex;align-items:center;gap:22px}.topbar-links a{transition:color .2s}.topbar-links a:hover{color:var(--acid)}
.main-nav{position:sticky;top:0;z-index:1030;background:rgba(23,27,28,.98);box-shadow:0 8px 25px rgba(0,0,0,.13)}
.navbar{padding:15px 0}.navbar-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.2;white-space:nowrap}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:var(--acid);border-radius:10px 10px 10px 3px;font-weight:900;font-size:15px}
.navbar-toggler{border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px}.navbar-toggler-icon{filter:invert(1)}
.navbar-nav{gap:4px}.nav-link{color:#cbd2cc!important;padding:10px 11px!important;border-radius:8px;font-size:14px;transition:background .2s,color .2s}.nav-link:hover,.nav-link.active{color:var(--acid)!important;background:rgba(215,255,63,.09)}
.btn-main,.btn-outline-light-custom,.btn-dark-custom{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;border:1px solid transparent;transition:transform .2s,background .2s,color .2s,box-shadow .2s}
.btn-main{background:var(--acid);color:var(--ink);box-shadow:0 8px 20px rgba(215,255,63,.15)}.btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,255,63,.22)}
.btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}.btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-dark-custom{background:var(--ink);color:#fff}.btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.section{padding:88px 0}.section-sm{padding:58px 0}.section-head{max-width:720px;margin-bottom:38px}.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.04em;font-weight:800;margin:0}.section-head p{margin:17px 0 0;color:var(--muted);max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5e7112;font-size:12px;font-weight:800;letter-spacing:.11em;margin-bottom:14px}.eyebrow:before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
.page-banner{position:relative;min-height:405px;color:#fff;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(13,18,18,.94),rgba(13,18,18,.67),rgba(13,18,18,.25)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.page-banner:after{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,transparent 49%,rgba(215,255,63,.12) 50%,transparent 51%),linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:100% 100%,100% 42px;pointer-events:none}
.banner-content{position:relative;z-index:1;padding:76px 0}.crumb{color:#bfc8be;font-size:13px;margin-bottom:26px}.crumb a:hover{color:var(--acid)}
.page-banner h1{max-width:820px;font-size:clamp(36px,6vw,68px);line-height:1.12;letter-spacing:-.06em;font-weight:800;margin:0}.banner-lead{max-width:700px;color:#dfe5dd;font-size:18px;margin:23px 0 0}
.index-chip{display:inline-flex;align-items:center;gap:9px;color:var(--acid);font-weight:800;font-size:13px;margin-top:30px}.index-chip b{border:1px solid rgba(215,255,63,.55);padding:4px 8px;border-radius:5px}
.process-strip{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.process-item{position:relative;padding:26px 20px;border-right:1px solid var(--line)}.process-item:last-child{border-right:0}.process-item:before{content:attr(data-no);display:block;color:var(--acid-dark);font-size:12px;font-weight:800;margin-bottom:16px}.process-item h3{font-size:17px;margin:0 0 8px;font-weight:800}.process-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.plan-board{display:grid;grid-template-columns:1.05fr 1.45fr;gap:28px;align-items:stretch}.plan-image{min-height:390px;border-radius:var(--radius);background:url('/assets/images/coverpic/cover-4.webp') center/cover;position:relative;overflow:hidden}.plan-image:after{content:"赛事编排控制台";position:absolute;left:24px;bottom:22px;background:var(--acid);color:var(--ink);font-weight:800;padding:7px 12px;border-radius:6px;font-size:13px}
.rule-tree{background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px}.rule-tree h3{font-size:24px;margin:0 0 24px}.tree-row{display:flex;align-items:center;gap:13px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13)}.tree-row:last-child{border-bottom:0}.tree-no{width:30px;height:30px;display:grid;place-items:center;background:var(--acid);color:var(--ink);font-weight:800;border-radius:7px;font-size:13px}.tree-row span{color:#bfc9bf;font-size:14px}.tree-row strong{font-size:15px}
.schedule-section{background:var(--paper-deep)}
.schedule-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.schedule-table,.parameter-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.table-title{padding:21px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:15px}.table-title h3{font-size:20px;margin:0;font-weight:800}.status{font-size:12px;padding:5px 9px;background:#eff7d2;color:#587000;border-radius:5px;font-weight:700}
.fixture{display:grid;grid-template-columns:78px 1fr 100px;align-items:center;gap:15px;padding:18px 24px;border-bottom:1px solid var(--line);font-size:14px}.fixture:last-child{border-bottom:0}.fixture time{color:var(--muted);font-size:13px}.fixture strong{font-size:15px}.fixture em{font-style:normal;text-align:right;color:var(--orange);font-weight:700;font-size:13px}
.parameter-panel{padding:27px}.parameter-panel h3{margin:0 0 20px;font-size:20px}.param{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px}.param span{color:var(--muted)}.param b{text-align:right}
.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.role-card{display:grid;grid-template-columns:95px 1fr;gap:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px;transition:transform .2s,border-color .2s,box-shadow .2s}.role-card:hover{transform:translateY(-3px);border-color:var(--acid-dark);box-shadow:var(--shadow)}.role-card img{width:95px;height:95px;object-fit:cover;border-radius:10px}.role-card h3{font-size:18px;margin:0 0 8px}.role-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}
.data-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}.data-band:before{content:"01 / 赛制参数　02 / 赛程校验　03 / 数据导出";position:absolute;right:5%;top:24px;color:rgba(215,255,63,.23);font-size:12px;letter-spacing:.12em}.data-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:20px;align-items:end}.data-intro h2{font-size:35px;line-height:1.25;margin:0 0 13px}.data-intro p{color:#b8c2b8;margin:0;font-size:14px}.data-number{border-left:1px solid rgba(255,255,255,.18);padding-left:22px}.data-number b{display:block;color:var(--acid);font-size:42px;line-height:1;font-weight:800}.data-number span{display:block;color:#b8c2b8;font-size:13px;margin-top:13px}
.story{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:center}.story img{width:100%;height:370px;object-fit:cover;border-radius:var(--radius)}.story-copy h2{font-size:36px;line-height:1.25;margin:0 0 18px}.story-copy p{color:var(--muted)}.result-list{list-style:none;padding:0;margin:25px 0}.result-list li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;font-size:14px}.result-list li:before{content:"✓";color:var(--acid-dark);font-weight:900}
.faq-wrap{max-width:900px}.accordion-item{border:1px solid var(--line)!important;background:var(--white);margin-bottom:10px;border-radius:12px!important;overflow:hidden}.accordion-button{font-weight:700;color:var(--ink);background:var(--white);padding:20px 22px;box-shadow:none!important}.accordion-button:not(.collapsed){background:#eef5d5;color:var(--ink)}.accordion-button:after{background-size:14px}.accordion-body{color:var(--muted);font-size:14px;padding:0 22px 20px}
.protection{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.protect-item{padding:18px;background:var(--white);border:1px solid var(--line);border-radius:12px;font-size:14px;font-weight:700}.protect-item span{display:block;color:var(--muted);font-weight:400;font-size:13px;margin-top:5px}
.cta-section{padding:70px 0;background:var(--acid)}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{font-size:36px;line-height:1.25;margin:0 0 10px}.cta-box p{margin:0;color:#495316}
.contact-form{background:var(--white);border-radius:var(--radius);padding:28px;border:1px solid rgba(23,27,28,.1);box-shadow:var(--shadow)}.form-label{font-size:13px;font-weight:700;margin-bottom:6px}.form-control,.form-select{border:1px solid var(--line);border-radius:8px;min-height:47px;background:#fff}.form-control:focus,.form-select:focus{border-color:var(--acid-dark);box-shadow:0 0 0 3px rgba(215,255,63,.25)}.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.site-footer{background:#101414;color:#c2cbc2;padding:62px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:35px}.footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:14px}.footer-grid p{font-size:14px;line-height:1.8;color:#9ca79d;max-width:300px}.footer-title{color:var(--acid);font-weight:800;margin-bottom:15px}.footer-links{display:grid;gap:8px;font-size:13px;color:#aab4aa}.footer-links a:hover{color:var(--acid)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#879289}.footer-bottom a{color:#cbd4c9}
@media(max-width:991px){.navbar-collapse{padding:16px 0}.navbar-nav{gap:2px}.navbar-nav .nav-link{padding:11px 12px!important}.navbar .btn-main{margin-top:10px;width:100%}.process-strip{grid-template-columns:repeat(5, minmax(145px,1fr));overflow-x:auto}.process-item{min-width:145px}.data-grid{grid-template-columns:1fr 1fr}.data-intro{grid-column:1/-1}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.topbar-inner{padding-top:8px;padding-bottom:8px;align-items:flex-start}.topbar-links{gap:9px;flex-wrap:wrap;justify-content:flex-end}.topbar-links a:first-child{display:none}.section{padding:58px 0}.section-sm{padding:40px 0}.page-banner{min-height:410px}.banner-content{padding:65px 0}.banner-lead{font-size:16px}.plan-board,.schedule-layout,.story{grid-template-columns:1fr}.plan-image{min-height:260px}.role-grid{grid-template-columns:1fr}.role-card{grid-template-columns:78px 1fr}.role-card img{width:78px;height:78px}.data-number b{font-size:34px}.protection{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta-box .btn-main{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.container{padding-left:17px;padding-right:17px}.navbar-brand{font-size:15px}.brand-mark{width:32px;height:32px}.topbar{font-size:11px}.topbar-links{font-size:11px}.page-banner h1{font-size:39px}.process-strip{margin-left:-17px;margin-right:-17px;border-radius:0;border-left:0;border-right:0}.fixture{grid-template-columns:62px 1fr;gap:8px;padding:16px}.fixture em{grid-column:2;text-align:left}.data-grid{grid-template-columns:1fr 1fr}.data-number{padding-left:14px}.data-number b{font-size:29px}.story img{height:250px}.story-copy h2,.cta-box h2{font-size:29px}.protection{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}

/* roulang page: category2 */
:root{
      --ink:#171b1c;
      --ink-soft:#252b2c;
      --paper:#f5f5ef;
      --paper-deep:#e9e9df;
      --white:#fffef9;
      --muted:#6b7370;
      --line:#d9ddd5;
      --acid:#d7ff3f;
      --acid-dark:#a8c91f;
      --orange:#f26b3a;
      --shadow:0 18px 45px rgba(22,28,28,.10);
      --shadow-dark:0 20px 55px rgba(0,0,0,.26);
      --radius:18px;
      --radius-sm:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.78;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid var(--acid);outline-offset:3px
    }
    .container{max-width:1220px;padding-left:22px;padding-right:22px}
    .topbar{background:#101414;color:#cfd6cf;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09)}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar strong{color:var(--acid);font-weight:700}
    .topbar-links{display:flex;align-items:center;gap:22px}
    .topbar-links a{transition:color .2s ease}
    .topbar-links a:hover{color:var(--acid)}
    .main-nav{position:sticky;top:0;z-index:1030;background:rgba(23,27,28,.98);box-shadow:0 8px 25px rgba(0,0,0,.13)}
    .navbar{padding:15px 0}
    .navbar-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.2;white-space:nowrap}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:var(--acid);border-radius:10px 10px 10px 3px;font-weight:900;font-size:15px}
    .navbar-toggler{border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px}
    .navbar-toggler-icon{filter:invert(1)}
    .navbar-nav{gap:5px}
    .nav-link{color:#cbd2cc!important;padding:10px 13px!important;border-radius:8px;font-size:14px;transition:background .2s ease,color .2s ease}
    .nav-link:hover,.nav-link.active{color:var(--acid)!important;background:rgba(215,255,63,.09)}
    .dropdown-menu{background:#202727;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px;box-shadow:var(--shadow-dark)}
    .dropdown-item{color:#d8ded8;border-radius:8px;padding:9px 12px;font-size:14px}
    .dropdown-item:hover,.dropdown-item:focus{color:var(--ink);background:var(--acid)}
    .btn-main,.btn-outline-light-custom,.btn-dark-custom{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;border:1px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease
    }
    .btn-main{background:var(--acid);color:var(--ink);box-shadow:0 8px 20px rgba(215,255,63,.15)}
    .btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,255,63,.22)}
    .btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}
    .btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
    .btn-dark-custom{background:var(--ink);color:#fff}
    .btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .section{padding:94px 0}
    .section-sm{padding:64px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5e7112;font-size:12px;font-weight:800;letter-spacing:.11em;margin-bottom:14px}
    .eyebrow::before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.045em;line-height:1.2;margin:0}
    h1{font-size:clamp(38px,5vw,66px)}
    h2{font-size:clamp(28px,3.5vw,44px)}
    h3{font-size:21px}
    .section-head p{margin:17px 0 0;color:var(--muted);max-width:650px}
    .category-banner{position:relative;min-height:390px;color:#fff;background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;overflow:hidden}
    .category-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,18,18,.94),rgba(13,18,18,.68) 58%,rgba(13,18,18,.25))}
    .banner-inner{position:relative;z-index:1;padding:82px 0 76px}
    .crumb{color:#bfc8bd;font-size:13px;margin-bottom:28px}
    .crumb a{color:var(--acid)}
    .banner-inner h1{max-width:780px}
    .banner-inner p{max-width:680px;color:#dce3da;font-size:18px;margin:22px 0 0}
    .banner-code{position:absolute;right:8%;bottom:48px;color:var(--acid);font:700 12px/1.4 monospace;letter-spacing:.15em;border-left:3px solid var(--acid);padding-left:12px}
    .stage-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .stage{position:relative;padding:28px 25px 25px;border-right:1px solid var(--line)}
    .stage:last-child{border-right:0}
    .stage-num{color:var(--acid-dark);font:800 13px monospace;letter-spacing:.12em}
    .stage h3{margin:12px 0 8px;font-size:19px}
    .stage p{margin:0;color:var(--muted);font-size:14px}
    .stage:after{content:"→";position:absolute;right:-11px;top:45%;width:21px;height:21px;text-align:center;line-height:19px;background:var(--acid);border-radius:50%;font-weight:900;z-index:2}
    .stage:last-child:after{display:none}
    .feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
    .feature-copy p{color:var(--muted);margin:20px 0}
    .feature-image{border-radius:var(--radius);overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:365px;object-fit:cover;opacity:.92}
    .bullet-list{list-style:none;padding:0;margin:25px 0 0}
    .bullet-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
    .bullet-list li:before{content:"✓";color:var(--acid-dark);font-weight:900}
    .signup-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:stretch}
    .list-panel,.progress-panel,.role-panel,.trust-panel,.case-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .list-panel{padding:12px 28px}
    .list-row{display:grid;grid-template-columns:1.1fr .9fr 1fr 1fr;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .list-row:last-child{border-bottom:0}
    .list-row strong{font-size:16px}
    .list-row span{font-size:13px;color:var(--muted)}
    .tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:6px;background:#eef5cd;color:#647512;font-size:12px;font-weight:700}
    .tag.orange{background:#fff0e9;color:#b94d26}
    .progress-panel{padding:28px;background:var(--ink);color:#fff}
    .progress-panel h3{color:#fff;margin-bottom:24px}
    .progress-item{margin:20px 0}
    .progress-label{display:flex;justify-content:space-between;color:#cbd2cc;font-size:13px;margin-bottom:8px}
    .progress-label b{color:var(--acid)}
    .progress{height:7px;background:#3b4441;border-radius:99px}
    .progress-bar{background:var(--acid);border-radius:99px}
    .role-panel{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
    .role{padding:28px 23px;border-right:1px solid var(--line)}
    .role:last-child{border-right:0}
    .role-icon{width:38px;height:38px;border-radius:10px;background:var(--ink);color:var(--acid);display:grid;place-items:center;font-weight:800;margin-bottom:18px}
    .role h3{font-size:18px;margin-bottom:9px}
    .role p{color:var(--muted);font-size:14px;margin:0}
    .dark-section{background:var(--ink);color:#fff}
    .dark-section .eyebrow{color:var(--acid)}
    .dark-section .section-head p{color:#aeb8af}
    .trust-panel{padding:34px;background:#202727;color:#e9eee8;border-color:#39433f;display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .trust-number{font-size:54px;line-height:1;color:var(--acid);font-weight:800}
    .trust-copy{color:#c5cec4;font-size:14px}
    .trust-list{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
    .trust-list div{border-top:2px solid var(--acid);padding-top:12px;color:#d7ded5;font-size:13px}
    .case-panel{display:grid;grid-template-columns:.8fr 1.2fr;overflow:hidden;background:#202727;border-color:#39433f;color:#fff}
    .case-aside{padding:34px;background:linear-gradient(145deg,#252d2d,#171b1c)}
    .case-aside .tag{background:var(--acid);color:var(--ink);margin-bottom:22px}
    .case-aside h3{font-size:28px;margin-bottom:15px}
    .case-aside p{color:#bdc7bd;font-size:14px}
    .case-data{padding:34px}
    .case-data h4{font-size:18px;color:var(--acid);margin-bottom:18px}
    .case-data ul{list-style:none;padding:0;margin:0}
    .case-data li{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid #3a4440;color:#cbd3ca;font-size:14px}
    .case-data li b{color:#fff}
    .faq-wrap{max-width:900px}
    .accordion-item{border:1px solid var(--line)!important;background:var(--white);margin-bottom:12px;border-radius:12px!important;overflow:hidden}
    .accordion-button{background:var(--white);color:var(--ink);font-weight:700;padding:20px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eef5cd;color:var(--ink)}
    .accordion-button:after{filter:grayscale(1)}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 22px 20px}
    .cta-section{background:var(--acid);padding:68px 0}
    .cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
    .cta-section p{color:#4f5d20;margin:16px 0 0}
    .contact-form{background:rgba(255,255,255,.6);border:1px solid rgba(23,27,28,.16);border-radius:var(--radius);padding:25px}
    .form-label{font-size:13px;font-weight:700;margin-bottom:6px}
    .form-control,.form-select{border:1px solid #c9d09e;border-radius:9px;background:#fffef9;min-height:45px}
    .form-control:focus,.form-select:focus{border-color:var(--acid-dark);box-shadow:0 0 0 3px rgba(168,201,31,.18)}
    .site-footer{background:#101414;color:#c7d0c7;padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.2fr;gap:35px}
    .footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:15px}
    .footer-grid p{font-size:14px;line-height:1.8;color:#9fa99f;margin:0}
    .footer-title{color:var(--acid);font-size:14px;font-weight:800;margin-bottom:15px}
    .footer-links{display:flex;flex-direction:column;gap:9px;font-size:13px}
    .footer-links a:hover{color:var(--acid)}
    .footer-bottom{border-top:1px solid #2d3632;margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8f9990}
    .footer-bottom a{color:#b9c3b8}
    @media(max-width:991px){
      .navbar-collapse{padding:18px 0}
      .navbar-nav{gap:2px}
      .navbar .btn-main{margin-top:8px}
      .feature-layout,.signup-grid,.case-panel,.cta-grid{grid-template-columns:1fr}
      .role-panel{grid-template-columns:repeat(2,1fr)}
      .role:nth-child(2){border-right:0}
      .role:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .trust-list{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
      .topbar-inner{padding-top:8px;padding-bottom:8px;align-items:flex-start}
      .topbar-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}
      .topbar-links a:first-child{display:none}
      .category-banner{min-height:350px}
      .banner-inner{padding:62px 0}
      .banner-code{right:22px;bottom:28px}
      .section{padding: sixtypx 0}
      .stage-line{grid-template-columns:1fr}
      .stage{border-right:0;border-bottom:1px solid var(--line);padding:22px}
      .stage:last-child{border-bottom:0}
      .stage:after{content:"↓";right:50%;top:auto;bottom:-11px}
      .stage:last-child:after{display:none}
      .list-panel{padding:8px 20px;overflow-x:auto}
      .list-row{min-width:670px}
      .role-panel{grid-template-columns:1fr}
      .role,.role:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
      .role:last-child{border-bottom:0}
      .trust-panel{grid-template-columns:1fr}
      .trust-list{grid-column:auto}
      .case-data,.case-aside{padding:26px}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .footer-bottom{flex-direction:column}
    }
    @media(max-width:520px){
      .container{padding-left:17px;padding-right:17px}
      .topbar-inner{font-size:11px}
      .navbar-brand{font-size:15px}
      .brand-mark{width:32px;height:32px}
      h1{font-size:37px}
      .banner-inner p{font-size:16px}
      .trust-number{font-size:45px}
      .contact-form{padding:19px}
    }

/* roulang page: category3 */
:root{
 --ink:#171b1c;--ink-soft:#252b2c;--paper:#f5f5ef;--paper-deep:#e9e9df;
 --white:#fffef9;--muted:#6b7370;--line:#d9ddd5;--acid:#d7ff3f;
 --acid-dark:#a8c91f;--orange:#f26b3a;--shadow:0 18px 45px rgba(22,28,28,.1);
 --shadow-dark:0 20px 55px rgba(0,0,0,.26);--radius:18px;--radius-sm:12px;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--acid);outline-offset:3px}
.container{max-width:1220px;padding-left:22px;padding-right:22px}
.topbar{background:#101414;color:#cfd6cf;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09)}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:var(--acid)}
.topbar-links{display:flex;align-items:center;gap:22px}
.topbar-links a{transition:color .2s}
.topbar-links a:hover{color:var(--acid)}
.main-nav{position:sticky;top:0;z-index:1030;background:rgba(23,27,28,.98);box-shadow:0 8px 25px rgba(0,0,0,.13)}
.navbar{padding:15px 0}
.navbar-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.2;white-space:nowrap}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:var(--acid);border-radius:10px 10px 10px 3px;font-weight:900;font-size:15px}
.navbar-toggler{border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px}
.navbar-toggler-icon{filter:invert(1)}
.navbar-nav{gap:5px}
.nav-link{color:#cbd2cc!important;padding:10px 13px!important;border-radius:8px;font-size:14px;transition:background .2s,color .2s}
.nav-link:hover,.nav-link.active{color:var(--acid)!important;background:rgba(215,255,63,.09)}
.dropdown-menu{background:#202727;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px;box-shadow:var(--shadow-dark)}
.dropdown-item{color:#d8ded8;border-radius:8px;padding:9px 12px;font-size:14px}
.dropdown-item:hover,.dropdown-item:focus{color:var(--ink);background:var(--acid)}
.btn-main,.btn-outline-light-custom,.btn-dark-custom{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;border:1px solid transparent;transition:transform .2s,background .2s,color .2s,box-shadow .2s}
.btn-main{background:var(--acid);color:var(--ink);box-shadow:0 8px 20px rgba(215,255,63,.15)}
.btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,255,63,.22)}
.btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-dark-custom{background:var(--ink);color:#fff}
.btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.section{padding:92px 0}
.section-sm{padding:60px 0}
.section-head{max-width:720px;margin-bottom:38px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5e7112;font-size:12px;font-weight:800;letter-spacing:.11em;margin-bottom:14px}
.eyebrow:before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.045em;line-height:1.2;margin:0}
h1{font-size:clamp(38px,5vw,70px)}
h2{font-size:clamp(28px,3.4vw,46px)}
h3{font-size:21px}
.section-head p{margin:17px 0 0;color:var(--muted);max-width:660px}
.page-hero{position:relative;min-height:450px;color:#fff;display:flex;align-items:center;background:#181d1d url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,18,18,.94),rgba(13,18,18,.62),rgba(13,18,18,.28))}
.page-hero .container{position:relative;z-index:1}
.hero-copy{max-width:760px;padding:76px 0}
.hero-copy .eyebrow{color:var(--acid)}
.hero-copy h1{margin-bottom:24px}
.hero-copy p{color:#e0e7df;font-size:18px;max-width:690px}
.hero-code{position:absolute;right:8%;bottom:52px;color:rgba(215,255,63,.65);font-size:12px;letter-spacing:.16em;border-left:2px solid var(--acid);padding-left:12px}
.process-line{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:34px;border-top:2px solid var(--line)}
.process-step{position:relative;padding:28px 18px 10px 0}
.process-step:before{content:"";position:absolute;top:-8px;left:0;width:14px;height:14px;background:var(--acid);border:4px solid var(--paper);border-radius:50%;box-shadow:0 0 0 2px var(--acid-dark)}
.step-no{font-size:12px;color:var(--acid-dark);font-weight:800;letter-spacing:.12em}
.process-step h3{margin:9px 0 8px}
.process-step p{color:var(--muted);font-size:14px;margin:0}
.score-panel{background:var(--ink);color:#fff;padding:32px;border-radius:var(--radius);box-shadow:var(--shadow-dark);position:relative;overflow:hidden}
.score-panel:after{content:"";position:absolute;right:-30px;top:-30px;width:150px;height:150px;border:1px solid rgba(215,255,63,.35);border-radius:50%}
.score-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:20px}
.status{font-size:12px;color:var(--ink);background:var(--acid);padding:5px 10px;border-radius:5px;font-weight:800}
.timer{font-size:48px;font-weight:800;letter-spacing:.05em;color:var(--acid);line-height:1}
.score-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;text-align:center}
.score-team{text-align:left;color:#dce4dc}
.score-team:last-child{text-align:right}
.score-number{font-size:62px;font-weight:800;line-height:1}
.score-foot{display:flex;justify-content:space-between;color:#9ea99f;font-size:13px;margin-top:24px}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:stretch}
.feature-image{height:100%;min-height:330px;object-fit:cover;border-radius:var(--radius);filter:saturate(.8)}
.feature-text{background:var(--white);border:1px solid var(--line);padding:42px;border-radius:var(--radius)}
.feature-text p{color:var(--muted);margin:20px 0}
.data-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.data-list li{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.data-list b{color:var(--orange)}
.table-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}
.match-table{width:100%;min-width:650px;border-collapse:collapse}
.match-table th{background:var(--ink);color:#dfe7df;font-weight:600;font-size:13px;text-align:left;padding:16px}
.match-table td{padding:16px;border-bottom:1px solid var(--line);font-size:14px}
.match-table tr:last-child td{border-bottom:0}
.match-table tr:hover td{background:#f0f4df}
.badge-soft{display:inline-block;padding:4px 9px;border-radius:5px;background:#edf5c9;color:#5f7113;font-size:12px;font-weight:700}
.badge-orange{background:#ffe1d6;color:#b34825}
.split-section{background:var(--ink);color:#fff}
.split-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.split-layout p{color:#c8d1c9}
.role-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.role-box{border:1px solid rgba(255,255,255,.17);padding:20px;border-radius:12px;background:rgba(255,255,255,.04)}
.role-box strong{display:block;color:var(--acid);margin-bottom:6px}
.role-box span{font-size:14px;color:#c2ccc3}
.parameter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.parameter{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px}
.parameter b{display:block;font-size:30px;color:var(--ink);margin-bottom:5px}
.parameter span{font-size:13px;color:var(--muted)}
.case-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.case-story img{width:100%;height:100%;min-height:330px;object-fit:cover}
.case-content{padding:40px}
.case-content p{color:var(--muted)}
.case-points{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}
.case-points span{border:1px solid var(--line);border-radius:6px;padding:6px 10px;font-size:13px}
.accordion-item{background:var(--white);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}
.accordion-button{background:var(--white);color:var(--ink);font-weight:700;padding:20px 22px;box-shadow:none!important}
.accordion-button:not(.collapsed){background:#edf5c9;color:var(--ink)}
.accordion-body{color:var(--muted);padding:0 22px 22px}
.cta-section{background:var(--acid);padding:62px 0}
.cta-layout{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-layout p{margin:12px 0 0;max-width:650px;color:#46500d}
.contact-form{background:var(--white);padding:28px;border-radius:var(--radius);border:1px solid rgba(23,27,28,.12);box-shadow:var(--shadow)}
.form-label{font-size:13px;font-weight:700;margin-bottom:6px}
.form-control,.form-select{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fff}
.form-control:focus,.form-select:focus{border-color:var(--acid-dark);box-shadow:0 0 0 3px rgba(215,255,63,.3)}
.site-footer{background:#101414;color:#c5cec5;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand{font-size:21px;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{font-size:14px;color:#98a39a;max-width:300px}
.footer-title{color:var(--acid);font-weight:800;margin-bottom:15px}
.footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px}
.footer-links a:hover{color:var(--acid)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;font-size:12px;color:#8e998f}
@media(max-width:991px){
 .navbar-collapse{padding:18px 0}.navbar-nav{gap:2px}.navbar-nav .nav-link{padding:11px 10px!important}
 .feature-grid,.split-layout,.case-story{grid-template-columns:1fr}.feature-image{min-height:260px}.parameter-grid{grid-template-columns:repeat(2,1fr)}
 .hero-code{right:5%;bottom:30px}.process-line{grid-template-columns:repeat(5,180px);overflow-x:auto;padding-bottom:15px}
}
@media(max-width:767px){
 .topbar-inner{padding-top:8px;padding-bottom:8px;align-items:flex-start}.topbar-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}.topbar-inner>div:first-child{max-width:150px;line-height:1.4}
 .container{padding-left:17px;padding-right:17px}.section{padding:58px 0}.section-sm{padding:42px 0}
 .page-hero{min-height:420px}.hero-copy{padding:62px 0}.hero-copy p{font-size:16px}.hero-code{display:none}
 .feature-text{padding:28px}.score-panel{padding:24px}.score-number{font-size:48px}.timer{font-size:36px}
 .split-layout{gap:30px}.role-matrix{grid-template-columns:1fr}.parameter-grid{grid-template-columns:1fr 1fr}
 .case-content{padding:28px}.cta-layout{display:block}.cta-layout .btn-main{margin-top:24px}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:520px){
 .navbar-brand{font-size:15px}.brand-mark{width:32px;height:32px}.parameter-grid{grid-template-columns:1fr}
 .process-line{grid-template-columns:repeat(5,155px)}h1{font-size:38px}.section-head{margin-bottom:27px}
 .footer-grid{grid-template-columns:1fr}.topbar-links a:first-child{display:none}
}

/* roulang page: category4 */
:root{
 --ink:#171b1c;
 --ink-soft:#252b2c;
 --paper:#f5f5ef;
 --paper-deep:#e9e9df;
 --white:#fffef9;
 --muted:#6b7370;
 --line:#d9ddd5;
 --acid:#d7ff3f;
 --acid-dark:#a8c91f;
 --orange:#f26b3a;
 --red:#dd5536;
 --shadow:0 18px 45px rgba(22,28,28,.10);
 --shadow-dark:0 20px 55px rgba(0,0,0,.26);
 --radius:18px;
 --radius-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;color:var(--ink);background:var(--paper);
 font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
 font-size:16px;line-height:1.78;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
 outline:3px solid var(--acid);outline-offset:3px;
}
.container{max-width:1220px;padding-left:22px;padding-right:22px}
.topbar{background:#101414;color:#cfd6cf;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09)}
.topbar-inner{min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:var(--acid);font-weight:800}
.topbar-links{display:flex;align-items:center;gap:22px}
.topbar-links a{transition:color .2s ease}
.topbar-links a:hover{color:var(--acid)}
.main-nav{position:sticky;top:0;z-index:1030;background:rgba(23,27,28,.98);box-shadow:0 8px 25px rgba(0,0,0,.13)}
.navbar{padding:15px 0}
.navbar-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.2;white-space:nowrap}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:var(--acid);border-radius:10px 10px 10px 3px;font-weight:900;font-size:15px}
.navbar-toggler{border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px}
.navbar-toggler-icon{filter:invert(1)}
.navbar-nav{gap:5px}
.nav-link{color:#cbd2cc!important;padding:10px 13px!important;border-radius:8px;font-size:14px;transition:background .2s ease,color .2s ease}
.nav-link:hover,.nav-link.active{color:var(--acid)!important;background:rgba(215,255,63,.09)}
.dropdown-menu{background:#202727;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px;box-shadow:var(--shadow-dark)}
.dropdown-item{color:#d8ded8;border-radius:8px;padding:9px 12px;font-size:14px}
.dropdown-item:hover,.dropdown-item:focus{color:var(--ink);background:var(--acid)}
.btn-main,.btn-outline-light-custom,.btn-dark-custom{
 display:inline-flex;align-items:center;justify-content:center;min-height:46px;
 padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;
 border:1px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn-main{background:var(--acid);color:var(--ink);box-shadow:0 8px 20px rgba(215,255,63,.15)}
.btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,255,63,.22)}
.btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-dark-custom{background:var(--ink);color:#fff}
.btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.section{padding:94px 0}
.section-sm{padding:64px 0}
.section-head{max-width:720px;margin-bottom:38px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5e7112;font-size:12px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.04em;line-height:1.2;margin:0}
h1{font-size:clamp(36px,5vw,66px)}
h2{font-size:clamp(28px,3.5vw,44px)}
h3{font-size:21px}
p{margin-top:0}
.muted{color:var(--muted)}
.page-banner{
 position:relative;min-height:430px;color:#fff;display:flex;align-items:center;
 background:#171d1c url("/assets/images/backpic/back-4.webp") center/cover no-repeat;
}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,17,17,.94),rgba(12,17,17,.62) 55%,rgba(12,17,17,.25))}
.banner-content{position:relative;z-index:1;padding:80px 0}
.banner-content h1{max-width:780px}
.banner-content p{max-width:670px;color:#dce3db;font-size:18px;margin:25px 0 0}
.banner-code{display:flex;gap:12px;align-items:center;color:var(--acid);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
.banner-code span{padding:5px 10px;border:1px solid rgba(215,255,63,.55);border-radius:5px}
.breadcrumb-line{position:absolute;bottom:28px;z-index:2;color:#bfc8bf;font-size:13px}
.breadcrumb-line a:hover{color:var(--acid)}
.path-strip{background:var(--ink-soft);color:#fff;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.path-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.path-item{position:relative;padding:5px 20px;border-left:1px solid rgba(255,255,255,.15);font-size:14px}
.path-item:first-child{border-left:0;padding-left:0}
.path-item b{display:block;color:var(--acid);font-size:12px;letter-spacing:.08em;margin-bottom:3px}
.feature-split{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.visual-card{position:relative;background:#202727;border-radius:var(--radius);padding:13px;box-shadow:var(--shadow-dark);overflow:hidden}
.visual-card img{width:100%;height:380px;object-fit:cover;border-radius:11px;opacity:.78}
.visual-card:after{content:"成绩复核台 / 现场状态";position:absolute;left:30px;bottom:28px;color:var(--acid);font-size:13px;font-weight:700;letter-spacing:.06em}
.check-list{list-style:none;padding:0;margin:25px 0 0}
.check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);color:#414947}
.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;background:var(--acid);color:var(--ink);font-weight:900;font-size:13px}
.flow-board{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow)}
.flow-step{min-height:190px;padding:26px 23px;border-right:1px solid var(--line);position:relative}
.flow-step:last-child{border-right:0}
.flow-step:after{content:"→";position:absolute;right:-13px;top:70px;width:25px;height:25px;text-align:center;background:var(--acid);border-radius:50%;z-index:2;color:var(--ink);font-weight:900}
.flow-step:last-child:after{display:none}
.step-num{font-size:12px;color:var(--acid-dark);font-weight:900;letter-spacing:.12em;margin-bottom:30px}
.flow-step p{font-size:14px;color:var(--muted);margin:12px 0 0}
.list-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.list-row{display:grid;grid-template-columns:64px 1.1fr 1fr 1fr;gap:20px;align-items:center;padding:23px 28px;border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}
.list-row:last-child{border-bottom:0}
.list-row:hover{background:#f0f4df;padding-left:34px}
.row-index{color:var(--acid-dark);font-weight:900;font-size:13px}
.list-row h3{font-size:18px}
.list-row p{margin:0;color:var(--muted);font-size:14px}
.tag{display:inline-flex;align-items:center;width:max-content;padding:4px 9px;border-radius:5px;background:#edf4cc;color:#60750e;font-size:12px;font-weight:700}
.tag.orange{background:#ffe5da;color:#a13c21}
.matrix{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;background:var(--ink);color:#fff;border-radius:var(--radius);overflow:hidden}
.matrix > div{padding:22px 20px;border-right:1px solid rgba(255,255,255,.13);border-bottom:1px solid rgba(255,255,255,.13)}
.matrix > div:nth-child(4n){border-right:0}
.matrix .matrix-head{color:var(--acid);font-weight:800;font-size:14px}
.matrix .matrix-label{color:#d8ded8;font-weight:700}
.matrix span{display:block;color:#aeb9ae;font-size:13px;margin-top:5px}
.metric-band{background:var(--ink);color:#fff;padding:52px 0;position:relative;overflow:hidden}
.metric-band:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(215,255,63,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(215,255,63,.07) 1px,transparent 1px);background-size:34px 34px;opacity:.45}
.metric-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14)}
.metric{padding:20px 25px;background:rgba(23,27,28,.92)}
.metric strong{display:block;color:var(--acid);font-size:34px;line-height:1.1;margin-bottom:8px}
.metric span{color:#c1cbc0;font-size:13px}
.result-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:stretch}
.result-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.result-card.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.result-card img{height:230px;width:100%;object-fit:cover;border-radius:12px;margin-bottom:22px}
.timeline{border-left:2px solid var(--acid-dark);padding-left:26px;margin:12px 0 0 8px}
.timeline-item{position:relative;padding:0 0 28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-35px;top:6px;width:15px;height:15px;border:4px solid var(--paper);background:var(--acid);border-radius:50%;box-shadow:0 0 0 1px var(--acid-dark)}
.timeline-item b{display:block;font-size:14px;color:var(--acid-dark);margin-bottom:3px}
.timeline-item p{margin:0;color:var(--muted);font-size:14px}
.faq-wrap{max-width:850px}
.accordion{--bs-accordion-bg:var(--white);--bs-accordion-border-color:var(--line);--bs-accordion-btn-focus-box-shadow:0 0 0 .2rem rgba(215,255,63,.25)}
.accordion-item{border-radius:12px!important;overflow:hidden;margin-bottom:12px;border:1px solid var(--line)}
.accordion-button{font-weight:700;color:var(--ink);padding:20px 22px;background:var(--white)}
.accordion-button:not(.collapsed){color:var(--ink);background:#edf4cc;box-shadow:none}
.accordion-button:after{filter:grayscale(1)}
.accordion-body{color:var(--muted);font-size:14px;background:var(--white);padding:0 22px 21px}
.cta-section{background:var(--acid);padding:65px 0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:35px}
.cta-box p{margin:13px 0 0;color:#46511d}
.contact-form{background:var(--white);padding:30px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid rgba(23,27,28,.08)}
.form-label{font-size:13px;font-weight:700;margin-bottom:7px}
.form-control,.form-select{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fbfbf5}
.form-control:focus,.form-select:focus{border-color:var(--acid-dark);box-shadow:0 0 0 .2rem rgba(215,255,63,.25)}
.site-footer{background:#101414;color:#c1cbc1;padding:65px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand{color:#fff;font-size:22px;font-weight:800;margin-bottom:14px}
.footer-grid p{font-size:14px;line-height:1.8;color:#9da89e;max-width:300px}
.footer-title{color:var(--acid);font-size:14px;font-weight:800;margin-bottom:15px}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:13px}
.footer-links a,.footer-links span{color:#aeb8ae;transition:color .2s ease}
.footer-links a:hover{color:var(--acid)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:20px;font-size:12px;color:#879188}
.footer-bottom a:hover{color:var(--acid)}
@media(max-width:991px){
 .navbar-collapse{padding:16px 0 8px}
 .navbar-nav{gap:2px}
 .nav-link{padding:11px 12px!important}
 .navbar .btn-main{margin-top:10px;width:100%}
 .feature-split,.result-layout{grid-template-columns:1fr;gap:32px}
 .matrix{grid-template-columns:1fr 1fr}
 .matrix > div:nth-child(4n){border-right:1px solid rgba(255,255,255,.13)}
 .matrix > div:nth-child(2n){border-right:0}
 .path-grid{grid-template-columns:repeat(3,1fr);gap:12px}
 .path-item{border-left:0;padding:4px 0}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
 .topbar-inner{align-items:flex-start;padding-top:9px;padding-bottom:9px}
 .topbar-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}
 .topbar-links a:nth-child(1){display:none}
 .section{padding:60px 0}
 .section-sm{padding:42px 0}
 .page-banner{min-height:390px}
 .banner-content{padding:70px 0}
 .banner-content p{font-size:16px}
 .path-grid{grid-template-columns:repeat(2,1fr)}
 .flow-board{grid-template-columns:1fr}
 .flow-step{min-height:auto;border-right:0;border-bottom:1px solid var(--line);padding:22px}
 .flow-step:last-child{border-bottom:0}
 .flow-step:after{content:"↓";right:auto;left:25px;top:auto;bottom:-13px}
 .list-row{grid-template-columns:38px 1fr;gap:8px 14px;padding:20px}
 .list-row p{grid-column:2}
 .list-row .tag{grid-column:2}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .metric{padding:18px}
 .metric strong{font-size:28px}
 .matrix{grid-template-columns:1fr}
 .matrix > div,.matrix > div:nth-child(2n){border-right:0}
 .cta-box{display:block}
 .cta-box .btn-dark-custom{margin-top:24px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{display:block}
 .footer-bottom span{display:block;margin-bottom:7px}
}
@media(max-width:520px){
 .container{padding-left:17px;padding-right:17px}
 .navbar-brand{font-size:16px}
 .brand-mark{width:32px;height:32px}
 .topbar{font-size:12px}
 .topbar-inner{display:block}
 .topbar-links{margin-top:3px;justify-content:flex-start}
 h1{font-size:38px}
 .banner-code{font-size:11px}
 .visual-card img{height:260px}
 .metric-grid{grid-template-columns:1fr 1fr}
 .metric strong{font-size:24px}
 .contact-form{padding:21px}
}

/* roulang page: category5 */
:root{
      --ink:#171b1c;--ink-soft:#252b2c;--paper:#f5f5ef;--paper-deep:#e9e9df;
      --white:#fffef9;--muted:#6b7370;--line:#d9ddd5;--acid:#d7ff3f;
      --acid-dark:#a8c91f;--orange:#f26b3a;--shadow:0 18px 45px rgba(22,28,28,.10);
      --shadow-dark:0 20px 55px rgba(0,0,0,.26);--radius:18px;--radius-sm:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--acid);outline-offset:3px}
    .container{max-width:1220px;padding-left:22px;padding-right:22px}
    .topbar{background:#101414;color:#cfd6cf;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09)}
    .topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topbar strong{color:var(--acid)} .topbar-links{display:flex;gap:22px}
    .topbar-links a:hover{color:var(--acid)}
    .main-nav{position:sticky;top:0;z-index:1030;background:rgba(23,27,28,.98);box-shadow:0 8px 25px rgba(0,0,0,.13)}
    .navbar{padding:15px 0}.navbar-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.2;white-space:nowrap}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:var(--acid);border-radius:10px 10px 10px 3px;font-weight:900}
    .navbar-toggler{border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px}
    .navbar-toggler-icon{filter:invert(1)} .navbar-nav{gap:5px}
    .nav-link{color:#cbd2cc!important;padding:10px 13px!important;border-radius:8px;font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--acid)!important;background:rgba(215,255,63,.09)}
    .dropdown-menu{background:#202727;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px;box-shadow:var(--shadow-dark)}
    .dropdown-item{color:#d8ded8;border-radius:8px;padding:9px 12px;font-size:14px}
    .dropdown-item:hover,.dropdown-item:focus{color:var(--ink);background:var(--acid)}
    .btn-main,.btn-outline-light-custom,.btn-dark-custom{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;border:1px solid transparent;transition:.2s}
    .btn-main{background:var(--acid);color:var(--ink);box-shadow:0 8px 20px rgba(215,255,63,.15)}
    .btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px)}
    .btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}.btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
    .btn-dark-custom{background:var(--ink);color:#fff}.btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
    .section{padding:92px 0}.section-sm{padding:62px 0}.section-head{max-width:720px;margin-bottom:38px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5e7112;font-size:12px;font-weight:800;letter-spacing:.11em;margin-bottom:14px}
    .eyebrow:before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
    h1,h2,h3,h4{font-weight:800;letter-spacing:-.035em;line-height:1.2;margin:0}
    h1{font-size:clamp(38px,5vw,68px)} h2{font-size:clamp(28px,3.5vw,44px)} h3{font-size:21px}
    .section-head p{margin:17px 0 0;color:var(--muted);max-width:650px}
    .category-banner{position:relative;color:#fff;min-height:470px;display:flex;align-items:center;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat}
    .category-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,18,18,.94),rgba(13,18,18,.63) 58%,rgba(13,18,18,.25))}
    .banner-inner{position:relative;z-index:1;padding:90px 0}
    .banner-inner p{max-width:650px;color:#dce3db;font-size:18px;margin:25px 0 0}
    .serial{display:inline-flex;gap:12px;align-items:center;color:var(--acid);font-size:13px;font-weight:800;margin-bottom:22px}
    .serial span{border:1px solid rgba(215,255,63,.5);padding:5px 9px;border-radius:5px}
    .stage-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px;border-top:1px solid var(--line)}
    .stage{position:relative;padding:25px 22px 10px 0}.stage:before{content:"";position:absolute;top:-7px;left:0;width:13px;height:13px;background:var(--acid);border-radius:50%;box-shadow:0 0 0 5px rgba(215,255,63,.18)}
    .stage strong{display:block;font-size:17px}.stage small{color:var(--muted)}
    .data-shell{background:var(--ink);color:#fff;padding:32px;border-radius:var(--radius);box-shadow:var(--shadow-dark)}
    .metric-row{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:12px;align-items:stretch}
    .metric{padding:22px;border:1px solid rgba(255,255,255,.13);border-radius:12px;background:#202727}
    .metric b{display:block;color:var(--acid);font-size:30px;line-height:1.2}.metric span{color:#b9c3ba;font-size:13px}
    .dashboard{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
    .panel.dark{background:#202727;color:#fff;border-color:#394141}
    .panel-top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}
    .status{display:inline-flex;padding:5px 10px;border-radius:6px;background:#eff8c8;color:#5c710f;font-size:12px;font-weight:700}
    .status.orange{background:#fff0ea;color:#b84821}
    .bar{height:8px;background:var(--paper-deep);border-radius:10px;overflow:hidden}.bar i{display:block;height:100%;background:var(--acid-dark);border-radius:10px}
    .stat-list{list-style:none;padding:0;margin:0}.stat-list li{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.stat-list li:last-child{border-bottom:0}
    .tool-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tool-item{padding:21px;border:1px solid var(--line);border-radius:14px;background:var(--white);transition:.2s}.tool-item:hover{border-color:var(--acid-dark);transform:translateY(-3px);box-shadow:var(--shadow)}
    .tool-item em{font-style:normal;color:var(--acid-dark);font-size:12px;font-weight:800}.tool-item p{margin:9px 0 0;color:var(--muted);font-size:14px}
    .role-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white)}
    .role{padding:25px;border-right:1px solid var(--line)}.role:last-child{border-right:0}.role h3{margin-bottom:10px}.role p{color:var(--muted);font-size:14px;margin:0}
    .image-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:center}.image-story img{width:100%;border-radius:var(--radius);aspect-ratio:1.45;object-fit:cover}
    .case-note{border-left:4px solid var(--acid-dark);padding-left:22px;margin-top:25px;color:var(--muted)}
    .faq .accordion-item{background:var(--white);border:1px solid var(--line);margin-bottom:10px;border-radius:12px!important;overflow:hidden}
    .faq .accordion-button{background:var(--white);color:var(--ink);font-weight:700;padding:20px 22px;box-shadow:none}.faq .accordion-button:not(.collapsed){background:#f0f6d5;color:var(--ink)}.faq .accordion-body{color:var(--muted);padding:0 22px 20px}
    .cta{background:var(--ink);color:#fff;border-radius:var(--radius);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:25px}.cta p{color:#c8d0c8;margin:10px 0 0}
    .site-footer{background:#101414;color:#c4cdc4;padding:64px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}.footer-brand{font-weight:800;color:#fff;font-size:20px;margin-bottom:14px}.footer-grid p{color:#8e9990;font-size:14px;max-width:280px}.footer-title{color:var(--acid);font-weight:700;margin-bottom:14px}.footer-links{display:flex;flex-direction:column;gap:8px;font-size:14px}.footer-links a:hover{color:var(--acid)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#778079;font-size:13px}
    @media(max-width:991px){.navbar-collapse{padding-top:16px}.navbar-nav{gap:2px}.metric-row{grid-template-columns:1fr 1fr}.metric:first-child{grid-column:span 2}.dashboard,.image-story{grid-template-columns:1fr}.role-grid{grid-template-columns:1fr 1fr}.role:nth-child(2){border-right:0}.role{border-bottom:1px solid var(--line)}.role:nth-last-child(-n+2){border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:600px){.topbar-inner{padding-top:8px;padding-bottom:8px;align-items:flex-start}.topbar-links{gap:8px;flex-wrap:wrap;justify-content:flex-end}.topbar-links a:first-child{display:none}.section{padding:58px 0}.banner-inner{padding:68px 0}.category-banner{min-height:450px}.stage-line{grid-template-columns:1fr 1fr}.stage{padding-right:12px;padding-bottom:25px}.tool-list{grid-template-columns:1fr}.role-grid{grid-template-columns:1fr}.role,.role:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.role:last-child{border-bottom:0}.metric-row{grid-template-columns:1fr}.metric:first-child{grid-column:auto}.data-shell{padding:20px}.cta{padding:28px;display:block}.cta .btn-main{margin-top:22px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}}

/* roulang page: category6 */
:root{
 --ink:#171b1c;
 --ink-soft:#252b2c;
 --paper:#f5f5ef;
 --paper-deep:#e9e9df;
 --white:#fffef9;
 --muted:#6b7370;
 --line:#d9ddd5;
 --acid:#d7ff3f;
 --acid-dark:#a8c91f;
 --orange:#f26b3a;
 --shadow:0 18px 45px rgba(22,28,28,.10);
 --shadow-dark:0 20px 55px rgba(0,0,0,.26);
 --radius:18px;
 --radius-sm:12px;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{
 margin:0;color:var(--ink);background:var(--paper);
 font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
 font-size:16px;line-height:1.78;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
 outline:3px solid var(--acid);outline-offset:3px;
}
.container{max-width:1220px;padding-left:22px;padding-right:22px}
.topbar{background:#101414;color:#cfd6cf;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09)}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:var(--acid);font-weight:800}
.topbar-links{display:flex;align-items:center;gap:22px}
.topbar-links a{transition:color .2s ease}
.topbar-links a:hover{color:var(--acid)}
.main-nav{
 position:sticky;top:0;z-index:1030;background:rgba(23,27,28,.98);
 box-shadow:0 8px 25px rgba(0,0,0,.13)
}
.navbar{padding:15px 0}
.navbar-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.04em;font-size:18px;line-height:1.2;white-space:nowrap}
.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:var(--acid);border-radius:10px 10px 10px 3px;font-weight:900;font-size:15px}
.navbar-toggler{border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px}
.navbar-toggler-icon{filter:invert(1)}
.navbar-nav{gap:3px}
.nav-link{color:#cbd2cc!important;padding:10px 12px!important;border-radius:8px;font-size:14px;transition:background .2s ease,color .2s ease}
.nav-link:hover,.nav-link.active{color:var(--acid)!important;background:rgba(215,255,63,.09)}
.dropdown-menu{background:#202727;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px;box-shadow:var(--shadow-dark)}
.dropdown-item{color:#d8ded8;border-radius:8px;padding:9px 12px;font-size:14px}
.dropdown-item:hover,.dropdown-item.active{background:rgba(215,255,63,.13);color:var(--acid)}
.btn-main,.btn-outline-light-custom,.btn-dark-custom{
 display:inline-flex;align-items:center;justify-content:center;min-height:46px;
 padding:10px 20px;border-radius:10px;font-size:14px;font-weight:700;
 border:1px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease
}
.btn-main{background:var(--acid);color:var(--ink);box-shadow:0 8px 20px rgba(215,255,63,.15)}
.btn-main:hover{background:#e5ff75;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(215,255,63,.22)}
.btn-outline-light-custom{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light-custom:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-dark-custom{background:var(--ink);color:#fff}
.btn-dark-custom:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.section{padding:94px 0}
.section-sm{padding:64px 0}
.section-head{max-width:720px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.22;letter-spacing:-.045em;font-weight:800;margin:0}
.section-head p{margin:17px 0 0;color:var(--muted);max-width:650px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5e7112;font-size:12px;font-weight:800;letter-spacing:.11em;margin-bottom:14px}
.eyebrow::before{content:"";width:25px;height:3px;background:var(--acid-dark);display:inline-block}
.page-hero{position:relative;overflow:hidden;background:#191e1e;color:#fff;padding:82px 0 78px}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,17,17,.96),rgba(12,17,17,.72) 52%,rgba(12,17,17,.32)),url('/assets/images/backpic/back-6.webp') center/cover}
.page-hero::after{content:"";position:absolute;right:7%;top:20%;width:210px;height:210px;border:1px solid rgba(215,255,63,.32);border-radius:50%;box-shadow:0 0 0 18px rgba(215,255,63,.05),0 0 0 38px rgba(215,255,63,.04)}
.page-hero .container{position:relative;z-index:1}
.breadcrumb-line{display:flex;align-items:center;gap:10px;color:#adb8ae;font-size:13px;margin-bottom:28px}
.breadcrumb-line a:hover{color:var(--acid)}
.hero-label{display:inline-flex;align-items:center;gap:10px;color:var(--acid);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:18px}
.hero-label span{border:1px solid rgba(215,255,63,.5);padding:5px 9px;border-radius:5px}
.page-hero h1{font-size:clamp(34px,6vw,68px);line-height:1.12;letter-spacing:-.06em;font-weight:800;max-width:850px;margin:0}
.page-hero .lead{max-width:710px;color:#dce3dc;font-size:18px;line-height:1.85;margin:25px 0 0}
.hero-readout{display:flex;gap:38px;flex-wrap:wrap;margin-top:38px;color:#aeb8ae;font-size:13px}
.hero-readout strong{display:block;color:var(--acid);font-size:24px;line-height:1.2}
.process-strip{background:var(--white);border-bottom:1px solid var(--line)}
.process-row{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.process-item{position:relative;padding:23px 18px 23px 0;border-right:1px solid var(--line)}
.process-item:not(:first-child){padding-left:24px}
.process-item:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:27px;color:var(--acid-dark);background:var(--white);font-weight:800;padding:0 4px}
.process-item small{display:block;color:var(--orange);font-weight:800;font-size:12px;letter-spacing:.08em}
.process-item b{display:block;font-size:15px;margin-top:3px}
.stage-board{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.dark-panel{background:var(--ink);color:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-dark);position:relative;overflow:hidden}
.dark-panel::after{content:"";position:absolute;right:-55px;bottom:-70px;width:210px;height:210px;border:1px solid rgba(215,255,63,.28);transform:rotate(18deg)}
.dark-panel h3{font-size:25px;line-height:1.3;margin:0 0 24px;position:relative;z-index:1}
.timeline{position:relative;z-index:1}
.timeline-item{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:17px 0;border-top:1px solid rgba(255,255,255,.14)}
.timeline-item:first-child{border-top:0;padding-top:0}
.timeline-no{width:37px;height:37px;display:grid;place-items:center;background:var(--acid);color:var(--ink);border-radius:10px;font-weight:900}
.timeline-item b{display:block;color:#fff;margin-bottom:3px}
.timeline-item span{display:block;color:#abb5ac;font-size:13px}
.operation-image{height:100%;min-height:420px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
.operation-image img{width:100%;height:100%;object-fit:cover}
.operation-image figcaption{position:absolute;left:18px;bottom:18px;background:rgba(23,27,28,.88);color:#fff;padding:11px 15px;border-left:3px solid var(--acid);font-size:13px}
.list-shell{display:grid;grid-template-columns:.75fr 1.25fr;gap:30px}
.list-intro{background:var(--acid);border-radius:var(--radius);padding:31px;display:flex;flex-direction:column;justify-content:space-between;min-height:430px}
.list-intro h3{font-size:30px;line-height:1.25;letter-spacing:-.04em;margin:0}
.list-intro p{color:#3f4a22;margin:20px 0}
.issue-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.issue-row{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;padding:23px 26px;border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}
.issue-row:last-child{border-bottom:0}
.issue-row:hover{background:#fbfbf5;padding-left:31px}
.issue-index{color:var(--orange);font-size:13px;font-weight:800}
.issue-row b{display:block;font-size:17px}
.issue-row span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.status{display:inline-flex;align-items:center;white-space:nowrap;padding:5px 9px;border-radius:6px;background:#edf4cf;color:#61751a;font-size:12px;font-weight:800}
.role-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.role-card{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:25px 20px;min-height:205px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.role-card:hover{transform:translateY(-4px);border-color:var(--acid-dark);box-shadow:var(--shadow)}
.role-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--ink);color:var(--acid);font-weight:800;margin-bottom:20px}
.role-card h3{font-size:18px;margin:0 0 8px}
.role-card p{font-size:14px;color:var(--muted);margin:0}
.parameter-zone{background:#202727;color:#fff;position:relative;overflow:hidden}
.parameter-zone::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(215,255,63,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(215,255,63,.06) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(90deg,#000,transparent 75%)}
.parameter-zone .container{position:relative;z-index:1}
.parameter-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}
.parameter-zone h2{font-size:clamp(28px,4vw,45px);line-height:1.2;letter-spacing:-.05em;margin:0 0 18px}
.parameter-zone p{color:#bcc6bc;margin:0}
.metric-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.metric{border:1px solid rgba(255,255,255,.16);border-radius:13px;padding:20px;background:rgba(0,0,0,.17)}
.metric strong{display:block;color:var(--acid);font-size:29px;line-height:1.15}
.metric span{display:block;color:#c5cec5;font-size:13px;margin-top:7px}
.case-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:stretch}
.case-image{border-radius:var(--radius);overflow:hidden;min-height:430px}
.case-image img{width:100%;height:100%;object-fit:cover}
.case-story{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:37px}
.case-story h3{font-size:30px;line-height:1.25;letter-spacing:-.04em;margin:0 0 16px}
.case-story>p{color:var(--muted);margin:0 0 24px}
.case-steps{list-style:none;padding:0;margin:0}
.case-steps li{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:15px 0;border-top:1px solid var(--line)}
.case-steps em{font-style:normal;color:var(--orange);font-weight:900}
.case-steps b{display:block;font-size:15px}
.case-steps span{display:block;color:var(--muted);font-size:13px}
.faq-wrap{max-width:900px}
.accordion-item{border:1px solid var(--line)!important;background:var(--white);margin-bottom:11px;border-radius:12px!important;overflow:hidden}
.accordion-button{font-weight:700;color:var(--ink);background:var(--white);padding:20px 22px;box-shadow:none!important}
.accordion-button:not(.collapsed){color:var(--ink);background:#eef5d2}
.accordion-button::after{filter:brightness(.35)}
.accordion-body{color:var(--muted);font-size:14px;padding:0 22px 21px}
.cta-section{padding:78px 0;background:var(--acid)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-box h2{font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.05em;margin:0 0 12px}
.cta-box p{color:#4f5a2c;margin:0;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
.site-footer{background:#111616;color:#c6cec6;padding:65px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1.2fr;gap:35px;padding-bottom:48px}
.footer-brand{color:#fff;font-size:21px;font-weight:800;margin-bottom:14px}
.footer-grid p{color:#8e9a91;font-size:14px;max-width:280px;margin:0}
.footer-title{color:var(--acid);font-weight:800;font-size:14px;margin-bottom:15px}
.footer-links{display:flex;flex-direction:column;gap:8px;font-size:13px;color:#aeb8af}
.footer-links a,.footer-links span{transition:color .2s ease}
.footer-links a:hover{color:var(--acid)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#7d8880;font-size:12px}
.footer-bottom a:hover{color:var(--acid)}
@media (max-width:1024px){
 .navbar-nav{gap:0}.nav-link{padding-left:9px!important;padding-right:9px!important;font-size:13px}
 .stage-board,.parameter-layout,.case-layout,.list-shell{grid-template-columns:1fr}
 .operation-image{min-height:330px}
 .role-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
 .topbar-inner{padding-top:8px;padding-bottom:8px;align-items:flex-start}
 .topbar-links{gap:10px;flex-wrap:wrap;justify-content:flex-end}
 .navbar{padding:12px 0}
 .navbar-collapse{padding-top:14px}
 .navbar-nav{padding:6px 0}
 .nav-link{padding:12px!important}
 .navbar .btn-main{width:100%;margin-top:8px}
 .page-hero{padding:62px 0 58px}
 .page-hero::after{right:-85px;top:40%;opacity:.6}
 .section{padding:62px 0}
 .section-sm{padding:46px 0}
 .process-row{grid-template-columns:1fr 1fr}
 .process-item{border-bottom:1px solid var(--line)}
 .process-item:nth-child(2n){border-right:0;padding-left:18px}
 .process-item:nth-child(2n)::after{display:none}
 .process-item:nth-child(n+3){padding-top:18px}
 .issue-row{grid-template-columns:55px 1fr;gap:12px;padding:19px}
 .issue-row .status{grid-column:2;justify-self:start}
 .cta-box{display:block}.cta-actions{margin-top:25px}
}
@media (max-width:520px){
 .container{padding-left:17px;padding-right:17px}
 .topbar-inner{display:block;font-size:12px}.topbar-links{justify-content:flex-start;margin-top:4px}
 .navbar-brand{font-size:15px}.brand-mark{width:32px;height:32px}
 .page-hero h1{font-size:38px}
 .page-hero .lead{font-size:16px}
 .hero-readout{gap:20px;margin-top:28px}
 .process-row{grid-template-columns:1fr}
 .process-item,.process-item:not(:first-child){padding:15px 0;border-right:0}
 .process-item:not(:last-child)::after{display:none}
 .process-item:not(:first-child){border-top:1px solid var(--line)}
 .dark-panel{padding:25px 21px}
 .role-grid{grid-template-columns:1fr}
 .metric-stack{grid-template-columns:1fr 1fr}
 .metric{padding:15px 12px}.metric strong{font-size:24px}
 .case-story{padding:26px 21px}
 .case-story h3{font-size:25px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
}

/* 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}