/* roulang page: index */
:root{
      --ink:#102127;
      --muted:#6f8185;
      --paper:#f5f8f7;
      --white:#fff;
      --line:#dce8e5;
      --teal:#0c766d;
      --teal-dark:#07534f;
      --mint:#d8f0e8;
      --gold:#e5b866;
      --orange:#c77b32;
      --radius:22px;
      --shadow:0 18px 50px rgba(16,33,39,.10);
      --shadow-sm:0 8px 24px rgba(16,33,39,.07);
    }
    *{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",sans-serif;line-height:1.8;letter-spacing:.01em}
    img{max-width:100%;height:auto;display:block}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--teal)}
    button,input{font:inherit}
    .container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:absolute;z-index:10;top:18px;left:0;right:0}
    .nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.10)}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}
    .nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}
    .nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}
    .nav-cta:hover{background:#f3ce80}
    .hero{min-height:730px;padding:170px 0 90px;background:linear-gradient(100deg,rgba(5,42,43,.92),rgba(7,82,76,.68)),url('/assets/images/backpic/back-1.webp') center/cover;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;inset:auto -10% -180px 45%;height:420px;background:rgba(229,184,102,.14);transform:rotate(-14deg);border-radius:100px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(38px,5vw,70px);line-height:1.12;letter-spacing:-.045em;color:#fff;margin:18px 0 24px;font-weight:900}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.82);max-width:580px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:32px 0}
    .btn-main,.btn-ghost,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-main{background:var(--gold);color:#173d3b}
    .btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.23)}
    .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:#fff;color:var(--teal-dark)}
    .btn-soft{background:var(--mint);color:var(--teal-dark)}
    .btn-soft:hover{transform:translateY(-2px);background:#c4e7dc}
    .kpi-row{display:flex;gap:26px;color:#fff;border-top:1px solid rgba(255,255,255,.24);padding-top:23px}
    .kpi strong{font-size:27px;display:block;color:var(--gold);line-height:1.2}
    .kpi span{font-size:13px;color:rgba(255,255,255,.68)}
    .hero-visual{position:relative;padding:32px 0 0 40px}
    .hero-image{height:480px;width:100%;object-fit:cover;border-radius:28px;box-shadow:25px 26px 0 rgba(229,184,102,.20),var(--shadow)}
    .visual-note{position:absolute;left:0;bottom:0;width:220px;background:#fff;padding:19px;border-radius:18px;box-shadow:var(--shadow);transform:rotate(-5deg)}
    .visual-note b{font-size:23px;color:var(--teal-dark);display:block}
    .visual-note span{font-size:13px;color:var(--muted)}
    main{overflow:hidden}
    section{padding:92px 0}
    .section-head{max-width:700px;margin-bottom:38px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.18;letter-spacing:-.035em;margin:11px 0 15px;font-weight:900}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .light{background:#fff}
    .dark{background:var(--teal-dark);color:#fff}
    .dark .section-head p{color:rgba(255,255,255,.7)}
    .directory{display:grid;grid-template-columns:1.2fr 2fr;gap:30px;align-items:stretch}
    .directory-intro{background:var(--teal);color:#fff;border-radius:var(--radius);padding:38px;display:flex;flex-direction:column;justify-content:space-between}
    .directory-intro h3{font-size:30px;line-height:1.3;margin:0 0 15px}
    .directory-intro p{color:rgba(255,255,255,.78)}
    .directory-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .directory-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;transition:.25s}
    .directory-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:#a6d4c8}
    .directory-item b{display:block;font-size:18px;margin:13px 0 5px}
    .directory-item p{font-size:14px;color:var(--muted);margin:0}
    .round-icon{width:38px;height:38px;border-radius:50%;background:var(--mint);color:var(--teal);display:grid;place-items:center;font-weight:900}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
    .split img{border-radius:var(--radius);height:430px;width:100%;object-fit:cover;box-shadow:var(--shadow)}
    .point-list{list-style:none;padding:0;margin:25px 0 0}
    .point-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .point-list li:last-child{border:0}
    .point-list strong{display:block;margin-bottom:3px}
    .point-list span{font-size:14px;color:var(--muted)}
    .number{color:var(--orange);font-size:22px;font-weight:900}
    .matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .matrix a{background:#f2f7f5;border-radius:18px;padding:24px 18px;border:1px solid transparent;transition:.25s}
    .matrix a:hover{background:#fff;border-color:#b9ddd3;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
    .matrix em{font-style:normal;color:var(--teal);font-weight:900;font-size:25px;display:block;margin-bottom:8px}
    .matrix b{display:block;margin-bottom:5px}
    .matrix span{font-size:13px;color:var(--muted)}
    .metric-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:30px}
    .metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
    .metric-card h3{font-size:26px;margin:0 0 14px}
    .metric-card p{color:var(--muted)}
    .metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:25px}
    .metric{padding:20px;border-radius:15px;background:var(--paper)}
    .metric strong{display:block;font-size:28px;color:var(--teal-dark)}
    .metric small{color:var(--muted)}
    .bar-row{margin:20px 0}
    .bar-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:7px}
    .bar{height:8px;background:#e5eeeb;border-radius:9px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--teal);border-radius:9px}
    .updates{display:grid;grid-template-columns:1fr 1.25fr;gap:34px}
    .update-panel{background:var(--teal-dark);padding:34px;border-radius:var(--radius);color:#fff}
    .update-panel h3{font-size:28px;line-height:1.3}
    .update-panel p{color:rgba(255,255,255,.72)}
    .version{border-left:2px solid var(--gold);padding-left:20px;margin-top:28px}
    .version b{color:var(--gold)}
    .timeline{display:grid;gap:15px}
    .timeline-item{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:19px 0;border-bottom:1px solid var(--line)}
    .timeline-item time{font-weight:900;color:var(--teal)}
    .timeline-item h4{margin:0 0 4px;font-size:18px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .topics{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
    .topic-card{position:relative;min-height:260px;border-radius:var(--radius);overflow:hidden;color:#fff;display:flex;align-items:end;padding:24px;background:#164f4c}
    .topic-card:first-child{grid-row:span 2;min-height:536px}
    .topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.63;transition:.4s}
    .topic-card:hover img{transform:scale(1.06);opacity:.78}
    .topic-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.82))}
    .topic-content{position:relative;z-index:1}
    .topic-content h3{font-size:24px;margin:7px 0}
    .topic-content p{font-size:14px;color:rgba(255,255,255,.78);margin:0}
    .news-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:32px}
    .news-list{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:9px 28px}
    .news-item{display:grid;grid-template-columns:98px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border:0}
    .news-item time{font-size:13px;color:var(--teal);font-weight:800}
    .news-item h3{font-size:17px;margin:0 0 4px}
    .news-item p{font-size:13px;color:var(--muted);margin:0;max-width:520px}
    .more{font-size:13px;color:var(--orange);font-weight:800;white-space:nowrap}
    .news-side{background:#e7f3ef;border-radius:var(--radius);padding:28px}
    .news-side img{border-radius:16px;height:180px;width:100%;object-fit:cover;margin-bottom:20px}
    .news-side h3{font-size:22px}
    .news-side p{font-size:14px;color:var(--muted)}
    .trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .trust{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .trust strong{display:block;margin-bottom:5px}
    .trust span{font-size:13px;color:var(--muted)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{position:relative;padding:24px 24px 20px;border-top:2px solid #9bc9be}
    .step:before{content:"";position:absolute;top:-9px;left:24px;width:16px;height:16px;border-radius:50%;background:var(--gold);border:4px solid var(--teal-dark)}
    .step strong{font-size:22px;color:var(--gold);display:block;margin-bottom:8px}
    .step h3{font-size:18px;margin:0 0 8px}
    .step p{font-size:14px;color:rgba(255,255,255,.68);margin:0}
    .dark .step{border-color:rgba(255,255,255,.25)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.5fr;gap:50px}
    .faq-intro h2{font-size:38px;line-height:1.2}
    .faq-intro p{color:var(--muted)}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink)!important;font-weight:800;padding:20px 0;box-shadow:none!important}
    .accordion-button:after{background-image:none;content:"+";font-size:23px;color:var(--teal);font-weight:400}
    .accordion-button:not(.collapsed):after{content:"−"}
    .accordion-body{padding:0 0 20px;color:var(--muted);font-size:14px}
    .form-section{background:linear-gradient(120deg,#d9efe8,#f8f2df)}
    .form-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
    .form-grid h2{font-size:43px;line-height:1.18;margin:12px 0}
    .form-grid p{color:var(--muted)}
    .lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
    .form-control{border:1px solid var(--line);border-radius:11px;padding:12px 14px;margin-bottom:13px}
    .form-control:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(12,118,109,.12)}
    .form-note{font-size:12px;color:var(--muted);margin:14px 0 0}
    .brand-story{background:#fff}
    .story{max-width:860px;margin:auto;text-align:center}
    .story p{color:var(--muted);font-size:16px;line-height:2}
    .story-mark{width:54px;height:54px;margin:0 auto 19px;border-radius:17px;background:var(--teal-dark);color:var(--gold);display:grid;place-items:center;font-size:25px;font-weight:900}
    .bottom-cta{padding:55px 0;background:var(--teal);color:#fff}
    .cta-line{display:flex;justify-content:space-between;align-items:center;gap:24px}
    .cta-line h2{margin:0;font-size:31px}
    .cta-line p{margin:7px 0 0;color:rgba(255,255,255,.72)}
    footer{background:#092f31;color:rgba(255,255,255,.66);padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.14)}
    footer .brand{margin-bottom:15px}
    footer h3{font-size:15px;color:#fff;margin:0 0 16px}
    footer p,footer li{font-size:13px;line-height:1.9}
    footer ul{list-style:none;padding:0;margin:0}
    footer li{margin-bottom:7px}
    footer a:hover{color:var(--gold)}
    .copyright{padding-top:22px;font-size:12px;line-height:2}
    .copyright span{margin-right:20px}
    @media(max-width:1024px){
      .nav-link{padding-left:7px!important;padding-right:7px!important;font-size:13px}
      .hero-grid,.directory,.metric-wrap,.updates,.news-layout,.form-grid{grid-template-columns:1fr}
      .hero{min-height:auto}
      .hero-visual{max-width:650px;margin:auto}
      .topics{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-row:auto;min-height:300px}
      .trust-strip,.process{grid-template-columns:repeat(2,1fr)}
      .faq-wrap{grid-template-columns:1fr;gap:15px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .topbar{top:10px}
      .nav-shell{padding:9px}
      .navbar-collapse{background:rgba(7,53,52,.97);margin:10px -1px -3px;padding:8px;border-radius:13px}
      .hero{padding:135px 0 70px}
      .hero-visual{padding:22px 0 42px}
      .hero-image{height:360px}
      section{padding:65px 0}
      .directory-list,.matrix,.topics{grid-template-columns:1fr}
      .topic-card,.topic-card:first-child{min-height:260px}
      .news-item{grid-template-columns:75px 1fr}
      .news-item .more{grid-column:2}
      .cta-line{display:block}
      .cta-line .btn-main{margin-top:22px}
      .split{gap:30px}
      .split img{height:330px}
    }
    @media(max-width:520px){
      .container{padding-left:17px;padding-right:17px}
      h1{font-size:40px}
      .hero-copy{font-size:16px}
      .kpi-row{gap:15px;flex-wrap:wrap}
      .kpi strong{font-size:23px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
      .trust-strip,.process,.metrics,.footer-grid{grid-template-columns:1fr}
      .news-list{padding:5px 18px}
      .news-item{gap:12px}
      .form-grid h2{font-size:34px}
    }
    :focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* roulang page: category2 */
:root{
      --ink:#102127;--muted:#6f8185;--paper:#f5f8f7;--white:#fff;--line:#dce8e5;
      --teal:#0c766d;--teal-dark:#07534f;--mint:#d8f0e8;--gold:#e5b866;--orange:#c77b32;
      --radius:22px;--shadow:0 18px 50px rgba(16,33,39,.10);--shadow-sm:0 8px 24px rgba(16,33,39,.07)
    }
    *{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",sans-serif;line-height:1.8;letter-spacing:.01em}
    img{max-width:100%;height:auto;display:block} a{color:inherit;text-decoration:none} a:hover{color:var(--teal)}
    button,input{font:inherit}.container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:absolute;z-index:10;top:18px;left:0;right:0}
    .nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}
    .nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}
    .nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}
    .nav-cta:hover{background:#f3ce80}
    .hero{min-height:650px;padding:175px 0 84px;background:linear-gradient(100deg,rgba(5,42,43,.94),rgba(7,82,76,.7)),url('/assets/images/backpic/back-2.webp') center/cover;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-9%;bottom:-180px;width:55%;height:420px;background:rgba(229,184,102,.14);transform:rotate(-14deg);border-radius:100px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(40px,5.5vw,70px);line-height:1.12;letter-spacing:-.055em;color:#fff;font-weight:900;margin:18px 0}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.82);max-width:590px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
    .btn-main,.btn-ghost,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-main{background:var(--gold);color:#173d3b}.btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.23)}
    .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08)}.btn-ghost:hover{background:#fff;color:var(--teal-dark)}
    .btn-soft{background:var(--mint);color:var(--teal-dark)}.btn-soft:hover{transform:translateY(-2px);background:#c4e7dc}
    .download-panel{background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.55);border-radius:25px;padding:30px;box-shadow:var(--shadow);position:relative;z-index:2}
    .download-panel h2{font-size:25px;line-height:1.3;margin:0 0 8px}.download-panel p{color:var(--muted);font-size:14px;margin-bottom:20px}
    .form-control{border:1px solid var(--line);border-radius:12px;padding:13px 15px;background:#fbfdfc}.form-control:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(12,118,109,.12)}
    .secure-note{font-size:12px;color:var(--muted);margin-top:14px}
    section{padding:86px 0}.section-head{max-width:720px;margin-bottom:36px}.section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.18;letter-spacing:-.035em;margin:11px 0 15px;font-weight:900}.section-head p{color:var(--muted);font-size:16px;margin:0}
    .tag{color:var(--teal);letter-spacing:.08em}.tag:before{content:"";width:22px;height:2px;background:var(--gold)}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px}.metric-card strong{font-size:36px;line-height:1;color:var(--teal-dark);display:block;margin-bottom:10px}.metric-card span{font-size:14px;color:var(--muted)}
    .intro{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.intro img{height:395px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.intro p{color:var(--muted)}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.matrix a{background:#f2f7f5;border-radius:18px;padding:25px 20px;border:1px solid transparent;transition:.25s}.matrix a:hover{background:#fff;border-color:#b9ddd3;box-shadow:var(--shadow-sm);transform:translateY(-3px)}.matrix b{display:block;font-size:18px;margin:10px 0 5px}.matrix span{color:var(--muted);font-size:14px}
    .dark{background:var(--teal-dark);color:#fff}.dark .section-head p{color:rgba(255,255,255,.72)}
    .compat{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compat-card{padding:27px;border:1px solid rgba(255,255,255,.16);border-radius:20px;background:rgba(255,255,255,.07)}.compat-card h3{margin:0 0 8px;font-size:22px}.compat-card p{color:rgba(255,255,255,.7);font-size:14px;margin:0}.device-icon{font-size:25px;color:var(--gold)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.step{position:relative;border-top:2px solid var(--gold);padding-top:20px}.step em{font-style:normal;color:var(--teal);font-weight:900;font-size:14px}.step h3{font-size:19px;margin:12px 0 6px}.step p{color:var(--muted);font-size:14px}
    .security-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}.security-layout img{border-radius:var(--radius);height:300px;width:100%;object-fit:cover}.point-list{list-style:none;padding:0;margin:0}.point-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}.point-list li:last-child{border:0}.point-list i{color:var(--teal);font-style:normal;font-weight:900}.point-list strong{display:block;margin-bottom:3px}.point-list span{font-size:14px;color:var(--muted)}
    .notice{background:#fff;border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:14px;padding:20px 24px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.5fr;gap:50px}.faq-intro h2{font-size:38px;line-height:1.2}.faq-intro p{color:var(--muted)}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:20px 0;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--teal)}.accordion-body{padding:0 0 20px;color:var(--muted);font-size:14px}
    .cta{background:linear-gradient(115deg,#07534f,#0c766d);color:#fff;border-radius:28px;padding:48px 52px;display:flex;justify-content:space-between;gap:25px;align-items:center}.cta h2{font-size:clamp(28px,4vw,43px);line-height:1.2;margin:0 0 10px}.cta p{color:rgba(255,255,255,.75);margin:0;max-width:650px}
    footer{background:#102127;color:rgba(255,255,255,.75);padding:62px 0 22px}footer .brand{margin-bottom:17px}footer p{font-size:14px;color:rgba(255,255,255,.62);max-width:280px}footer h3{font-size:15px;color:#fff;margin:3px 0 14px}footer ul{list-style:none;padding:0;margin:0}footer li{font-size:14px;margin:7px 0}footer a:hover{color:var(--gold)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:rgba(255,255,255,.48)}.copyright span{margin-right:18px}
    :focus-visible{outline:3px solid rgba(229,184,102,.8);outline-offset:3px}
    @media(max-width:1024px){.nav-link{font-size:13px;padding-left:7px!important;padding-right:7px!important}.hero-grid,.intro,.security-layout{gap:30px}.metrics{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.topbar{top:10px}.hero{padding-top:145px;min-height:auto}.hero-grid,.intro,.security-layout,.faq-wrap{grid-template-columns:1fr}.hero-visual{order:-1}.download-panel{padding:24px}.matrix,.process{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.copyright{display:block}.copyright div+div{margin-top:12px}}
    @media(max-width:520px){.container{padding-left:18px;padding-right:18px}section{padding:62px 0}.hero{padding-bottom:60px}h1{font-size:42px}.hero-copy{font-size:16px}.metrics,.matrix,.process,.compat,.footer-grid{grid-template-columns:1fr}.cta{padding:31px 24px;display:block}.cta .btn-main{margin-top:22px;width:100%}.copyright span{display:block;margin:4px 0}.nav-shell{padding:8px 10px}}

/* roulang page: category3 */
:root{
      --ink:#102127;
      --muted:#6f8185;
      --paper:#f5f8f7;
      --white:#fff;
      --line:#dce8e5;
      --teal:#0c766d;
      --teal-dark:#07534f;
      --mint:#d8f0e8;
      --gold:#e5b866;
      --orange:#c77b32;
      --radius:22px;
      --shadow:0 18px 50px rgba(16,33,39,.10);
      --shadow-sm:0 8px 24px rgba(16,33,39,.07);
    }
    *{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",sans-serif;line-height:1.8;letter-spacing:.01em}
    img{max-width:100%;height:auto;display:block}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal)}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(229,184,102,.75);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:absolute;z-index:10;top:18px;left:0;right:0}
    .nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.10)}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}
    .brand:hover{color:#fff}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}
    .nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}
    .nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}
    .nav-cta:hover{background:#f3ce80;color:#173d3b!important}
    .hero{padding:165px 0 88px;min-height:650px;position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(5,42,43,.94),rgba(7,82,76,.72)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero:after{content:"";position:absolute;right:-12%;bottom:-210px;width:670px;height:410px;border-radius:100%;background:rgba(229,184,102,.15);transform:rotate(-13deg)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{color:#fff;font-size:clamp(42px,6vw,72px);line-height:1.12;letter-spacing:-.055em;margin:15px 0 21px;font-weight:900}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.82);max-width:570px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0}
    .btn-main,.btn-ghost,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-main{background:var(--gold);color:#173d3b}
    .btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.23)}
    .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:#fff;color:var(--teal-dark)}
    .btn-soft{background:var(--mint);color:var(--teal-dark)}
    .btn-soft:hover{transform:translateY(-2px);background:#c4e7dc;color:var(--teal-dark)}
    .trust-line{border-top:1px solid rgba(255,255,255,.24);padding-top:21px;color:rgba(255,255,255,.72);font-size:14px}
    .hero-panel{background:rgba(255,255,255,.95);border-radius:28px;padding:29px;box-shadow:25px 26px 0 rgba(229,184,102,.2),var(--shadow);position:relative}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:21px}
    .panel-top strong{font-size:20px}
    .status{color:var(--teal);background:var(--mint);padding:5px 10px;border-radius:30px;font-size:12px;font-weight:800}
    .score-row{display:grid;grid-template-columns:1fr auto 1fr;gap:15px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .score-row:last-child{border:0}
    .team{font-weight:800}.team:last-of-type{text-align:right}
    .score{font-size:23px;font-weight:900;color:var(--teal-dark);white-space:nowrap}
    .mini-note{font-size:12px;color:var(--muted);margin-top:18px}
    section{padding:86px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.18;letter-spacing:-.04em;margin:11px 0 15px;font-weight:900}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .section-kicker{color:var(--teal);font-weight:900;font-size:13px;letter-spacing:.1em}
    .metric-strip{margin-top:-42px;position:relative;z-index:2}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);overflow:hidden}
    .metric{padding:26px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}.metric b{display:block;font-size:31px;color:var(--teal-dark);line-height:1.1}.metric span{font-size:13px;color:var(--muted)}
    .matrix{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:16px}
    .matrix-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;min-height:190px;transition:.25s}
    .matrix-card:first-child{grid-row:span 2;background:var(--teal-dark);color:#fff}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:#a6d4c8}
    .matrix-card h3{font-size:22px;margin:17px 0 8px}.matrix-card p{font-size:14px;color:var(--muted);margin:0}.matrix-card:first-child p{color:rgba(255,255,255,.73)}
    .number{font-size:13px;color:var(--gold);font-weight:900;letter-spacing:.1em}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .split img{height:420px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .point-list{list-style:none;padding:0;margin:24px 0 0}
    .point-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .point-list li:last-child{border:0}.point-list i{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--teal);font-style:normal;font-weight:900;flex:none}
    .point-list strong{display:block;margin-bottom:3px}.point-list span{font-size:14px;color:var(--muted)}
    .dark{background:var(--teal-dark);color:#fff}.dark .section-head p{color:rgba(255,255,255,.7)}
    .dark .section-kicker{color:var(--gold)}
    .coverage{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .coverage-card{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);border-radius:20px;padding:28px}
    .coverage-card h3{font-size:24px;margin:0 0 17px}.coverage-card p{color:rgba(255,255,255,.7);font-size:15px}
    .chips{display:flex;gap:10px;flex-wrap:wrap}.chip{border:1px solid rgba(255,255,255,.25);padding:7px 13px;border-radius:30px;font-size:13px;color:#fff}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:29px}
    .compare-card.highlight{background:#eef8f4;border-color:#b7ddd1}
    .compare-card h3{margin:0 0 19px;font-size:22px}.compare-card ul{padding-left:20px;color:var(--muted);margin:0}.compare-card li{padding:7px 0}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-step{padding:27px 22px 10px;border-right:1px solid var(--line);position:relative}.process-step:last-child{border:0}
    .process-step:before{content:"";position:absolute;top:-5px;left:22px;width:9px;height:9px;border-radius:50%;background:var(--gold)}
    .process-step b{display:block;color:var(--teal);font-size:13px;letter-spacing:.1em;margin-bottom:14px}.process-step h3{font-size:19px;margin:0 0 7px}.process-step p{font-size:14px;color:var(--muted);margin:0}
    .quote{display:grid;grid-template-columns:.9fr 1.5fr;gap:42px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:25px;padding:36px;box-shadow:var(--shadow-sm)}
    .quote img{width:100%;height:240px;object-fit:cover;border-radius:17px}.quote blockquote{font-size:24px;line-height:1.5;font-weight:800;margin:0 0 18px}.quote cite{font-size:14px;color:var(--muted);font-style:normal}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.5fr;gap:55px}.faq-intro h2{font-size:39px;line-height:1.2;margin:10px 0 14px}.faq-intro p{color:var(--muted)}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink)!important;font-weight:800;padding:21px 0;box-shadow:none!important}.accordion-button:after{filter:none}.accordion-body{padding:0 0 21px;color:var(--muted);font-size:15px}
    .cta{padding:72px 0;background:linear-gradient(110deg,#d8f0e8,#f8f1dc)}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:clamp(29px,4vw,43px);line-height:1.2;margin:0 0 10px}.cta p{color:var(--muted);margin:0;max-width:670px}
    footer{background:#102127;color:#dce8e5;padding:62px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}.footer-grid .brand{margin-bottom:16px}.footer-grid p{color:#9db1b0;font-size:14px;margin:0}.footer-grid h3{color:#fff;font-size:16px;margin:4px 0 16px}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:7px 0;color:#9db1b0;font-size:14px}.footer-grid li a:hover,.copyright a:hover{color:var(--gold)}.footer-grid .btn-soft{margin-top:18px}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#91a5a5;font-size:12px}.copyright span{margin-right:20px}
    @media(max-width:1024px){.nav-link{font-size:13px;padding-left:8px!important;padding-right:8px!important}.hero-grid{gap:35px}.matrix{grid-template-columns:1fr 1fr}.matrix-card:first-child{grid-row:auto;grid-column:span 2}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}}
    @media(max-width:768px){.topbar{top:10px}.hero{padding-top:140px;min-height:auto}.hero-grid,.split,.coverage,.quote,.faq-wrap{grid-template-columns:1fr;gap:32px}.hero-panel{margin-top:12px}.metric-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.matrix{grid-template-columns:1fr}.matrix-card:first-child{grid-column:auto}.process{grid-template-columns:1fr 1fr}.process-step:nth-child(2){border-right:0}.process-step{border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright div+div{margin-top:12px}}
    @media(max-width:520px){.container{padding-left:18px;padding-right:18px}.hero{padding-bottom:65px}h1{font-size:43px}.hero-copy{font-size:16px}.hero-actions a{width:100%}.metric{padding:20px 14px}.metric b{font-size:25px}.section-head h2{font-size:31px}section{padding:65px 0}.split img{height:290px}.process{grid-template-columns:1fr}.process-step{border-right:0!important}.compare{grid-template-columns:1fr}.quote{padding:22px}.quote blockquote{font-size:20px}.cta-box{display:block}.cta .btn-main{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr}.copyright span{display:block;margin:3px 0}}

/* roulang page: category5 */
:root{
      --ink:#102127;--muted:#6f8185;--paper:#f5f8f7;--white:#fff;--line:#dce8e5;
      --teal:#0c766d;--teal-dark:#07534f;--mint:#d8f0e8;--gold:#e5b866;--orange:#c77b32;
      --radius:22px;--shadow:0 18px 50px rgba(16,33,39,.10);--shadow-sm:0 8px 24px rgba(16,33,39,.07);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;letter-spacing:.01em}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    .container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:absolute;z-index:10;top:18px;left:0;right:0}
    .nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}
    .brand:hover{color:#fff}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}
    .nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}
    .nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}
    .nav-cta:hover{background:#f3ce80}
    .hero{padding:170px 0 88px;min-height:560px;position:relative;color:#fff;background:linear-gradient(100deg,rgba(5,42,43,.94),rgba(7,82,76,.72)),url('/assets/images/backpic/back-2.webp') center/cover;overflow:hidden}
    .hero:after{content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-210px;border-radius:50%;border:1px solid rgba(229,184,102,.45);box-shadow:0 0 0 28px rgba(229,184,102,.08),0 0 0 58px rgba(229,184,102,.05)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(40px,6vw,72px);line-height:1.1;letter-spacing:-.05em;margin:16px 0 20px;font-weight:900}
    .hero p{font-size:18px;color:rgba(255,255,255,.82);max-width:650px;margin:0}
    .hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:26px;padding:28px;backdrop-filter:blur(14px);box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:18px;margin-bottom:20px}
    .status{display:flex;align-items:center;gap:8px;color:#d8f0e8;font-size:13px}
    .status i{width:9px;height:9px;border-radius:50%;background:#74d5a8;box-shadow:0 0 0 5px rgba(116,213,168,.15)}
    .score{font-size:44px;font-weight:900;line-height:1;color:var(--gold)}
    .hero-stat{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .hero-stat div{padding:15px 12px;border-radius:15px;background:rgba(0,0,0,.14)}
    .hero-stat strong{display:block;color:#fff;font-size:22px}
    .hero-stat span{font-size:12px;color:rgba(255,255,255,.68)}
    section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.18;letter-spacing:-.04em;margin:12px 0 15px;font-weight:900}
    .section-head p{color:var(--muted);margin:0;font-size:16px}
    .light-section{background:#fff}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow-sm)}
    .metric small{display:block;color:var(--muted);margin-bottom:12px}
    .metric strong{font-size:34px;line-height:1;color:var(--teal-dark)}
    .metric em{font-style:normal;color:var(--orange);font-size:14px;margin-left:5px}
    .security-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .security-card{display:grid;grid-template-columns:62px 1fr;gap:20px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:27px;transition:.25s}
    .security-card:hover{transform:translateY(-5px);background:#fff;box-shadow:var(--shadow-sm);border-color:#a9d7cc}
    .icon{width:54px;height:54px;border-radius:17px;background:var(--mint);color:var(--teal);display:grid;place-items:center;font-size:25px;font-weight:900}
    .security-card h3{margin:0 0 8px;font-size:21px}
    .security-card p{color:var(--muted);font-size:14px;margin:0}
    .split{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center}
    .split img{height:420px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .point-list{padding:0;margin:0;list-style:none}
    .point-list li{display:flex;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
    .point-list li:last-child{border-bottom:0}
    .point-list b{color:var(--teal);font-size:18px}
    .point-list strong{display:block;margin-bottom:4px}
    .point-list span{display:block;color:var(--muted);font-size:14px}
    .dark{background:var(--teal-dark);color:#fff}
    .dark .section-head p{color:rgba(255,255,255,.7)}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .matrix-item{padding:24px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(255,255,255,.07)}
    .matrix-item h3{font-size:20px;margin:0 0 10px;color:var(--gold)}
    .matrix-item p{font-size:14px;color:rgba(255,255,255,.7);margin:0}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .flow-step{position:relative;padding:24px 30px 20px 0}
    .flow-step:not(:last-child):after{content:"→";position:absolute;right:14px;top:38px;color:var(--gold);font-size:27px}
    .flow-num{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--teal-dark);font-weight:900;margin-bottom:16px}
    .flow-step h3{font-size:18px;margin:0 0 8px}
    .flow-step p{color:var(--muted);font-size:14px;margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{border-radius:22px;padding:30px;border:1px solid var(--line);background:#fff}
    .compare-box.featured{background:var(--teal-dark);color:#fff;border-color:var(--teal-dark)}
    .compare-box h3{margin:0 0 20px;font-size:24px}
    .compare-box ul{padding:0;margin:0;list-style:none}
    .compare-box li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .compare-box.featured li{border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.8)}
    .compare-box li:before{content:"✓";color:var(--teal);font-weight:900;margin-right:10px}
    .compare-box.featured li:before{color:var(--gold)}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.5fr;gap:55px}
    .faq-wrap h2{font-size:40px;line-height:1.2;margin:0 0 15px}
    .faq-wrap p{color:var(--muted)}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;padding:21px 0}
    .accordion-button:after{filter:hue-rotate(120deg)}
    .accordion-body{padding:0 0 22px;color:var(--muted);font-size:14px}
    .cta{padding:70px 0;background:linear-gradient(115deg,var(--mint),#f9eee0)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:0 0 12px}
    .cta p{color:var(--muted);margin:0;max-width:650px}
    .btn-main,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;border:1px solid transparent}
    .btn-main{background:var(--gold);color:#173d3b}
    .btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.23)}
    .btn-soft{background:var(--mint);color:var(--teal-dark)}
    footer{background:#102b2d;color:#d8e8e4;padding:60px 0 24px}
    footer .brand{margin-bottom:18px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:42px}
    footer p{color:rgba(216,232,228,.65);font-size:14px}
    footer h3{font-size:16px;color:#fff;margin:5px 0 18px}
    footer ul{list-style:none;margin:0;padding:0}
    footer li{margin:8px 0;color:rgba(216,232,228,.67);font-size:14px}
    footer li a:hover,footer .copyright a:hover{color:var(--gold)}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;color:rgba(216,232,228,.58);font-size:12px}
    .copyright span{margin-right:18px}
    :focus-visible{outline:3px solid var(--gold);outline-offset:3px}
    @media(max-width:1024px){
      .nav-link{font-size:13px;padding-left:7px!important;padding-right:7px!important}
      .hero-inner,.split{gap:35px}
      .metrics{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .topbar{top:10px}.hero{padding-top:145px}.hero-inner,.split,.faq-wrap{grid-template-columns:1fr}
      .hero-panel{max-width:560px}.hero{min-height:0}
      section{padding:65px 0}.security-grid,.compare{grid-template-columns:1fr}
      .matrix{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr 1fr}
      .flow-step:not(:last-child):after{display:none}.cta-box{display:block}.cta .btn-main{margin-top:24px}
      .split img{height:320px}
    }
    @media(max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      h1{font-size:43px}.hero p{font-size:16px}.hero-stat{grid-template-columns:1fr}
      .metrics,.matrix,.flow{grid-template-columns:1fr}.metric{padding:22px}
      .security-card{grid-template-columns:1fr;gap:12px}.faq-wrap h2{font-size:32px}
      .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright div:first-child{line-height:2.1}.copyright span{display:block;margin:0}
    }

/* roulang page: category4 */
:root{
      --ink:#102127;
      --muted:#6f8185;
      --paper:#f5f8f7;
      --white:#fff;
      --line:#dce8e5;
      --teal:#0c766d;
      --teal-dark:#07534f;
      --mint:#d8f0e8;
      --gold:#e5b866;
      --orange:#c77b32;
      --radius:22px;
      --shadow:0 18px 50px rgba(16,33,39,.10);
      --shadow-sm:0 8px 24px rgba(16,33,39,.07);
    }
    *{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",sans-serif;line-height:1.8;letter-spacing:.01em}
    img{max-width:100%;height:auto;display:block}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--teal)}
    button,input,textarea,select{font:inherit}
    .container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:absolute;z-index:10;top:18px;left:0;right:0}
    .nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.10)}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}
    .nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}
    .nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}
    .nav-cta:hover{background:#f3ce80}
    .hero{min-height:700px;padding:170px 0 86px;background:linear-gradient(105deg,rgba(5,42,43,.96),rgba(7,82,76,.72)),url('/assets/images/backpic/back-2.webp') center/cover;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-8%;bottom:-180px;width:620px;height:410px;background:rgba(229,184,102,.15);transform:rotate(-14deg);border-radius:100px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    .hero h1{color:#fff;font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.055em;margin:18px 0 23px;font-weight:900}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.82);max-width:570px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:31px 0}
    .btn-main,.btn-ghost,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-main{background:var(--gold);color:#173d3b}
    .btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.23)}
    .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:#fff;color:var(--teal-dark)}
    .btn-soft{background:var(--mint);color:var(--teal-dark)}
    .btn-soft:hover{transform:translateY(-2px);background:#c4e7dc}
    .hero-panel{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.25);border-radius:28px;padding:28px;backdrop-filter:blur(12px);box-shadow:var(--shadow)}
    .panel-head{display:flex;justify-content:space-between;align-items:center;color:#fff;margin-bottom:20px}
    .panel-head strong{font-size:19px}
    .panel-status{font-size:12px;color:#d8f0e8;border:1px solid rgba(216,240,232,.35);padding:4px 9px;border-radius:20px}
    .service-rank{display:grid;grid-template-columns:36px 1fr auto;gap:13px;align-items:center;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.16);color:#fff}
    .service-rank:last-child{border-bottom:0}
    .rank-num{color:var(--gold);font-weight:900}
    .rank-copy b{display:block;font-size:15px}
    .rank-copy span{display:block;color:rgba(255,255,255,.62);font-size:12px}
    .rank-score{color:var(--gold);font-size:14px;font-weight:800}
    .hero-note{display:flex;gap:14px;margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.67);font-size:13px}
    main{overflow:hidden}
    section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:37px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.18;letter-spacing:-.035em;margin:11px 0 15px;font-weight:900}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .section-kicker{color:var(--teal);font-size:13px;font-weight:900;letter-spacing:.1em}
    .metric-strip{margin-top:-43px;position:relative;z-index:2}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:21px;box-shadow:var(--shadow-sm);overflow:hidden}
    .metric{padding:26px 23px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:31px;line-height:1.2;color:var(--teal-dark)}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .matrix-layout{display:grid;grid-template-columns:.82fr 1.55fr;gap:44px;align-items:start}
    .matrix-intro{background:var(--teal-dark);color:#fff;border-radius:var(--radius);padding:34px;min-height:326px}
    .matrix-intro h3{font-size:29px;line-height:1.25;margin:15px 0}
    .matrix-intro p{color:rgba(255,255,255,.72);font-size:14px}
    .matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .matrix-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;transition:.25s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:#a6d4c8}
    .matrix-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--mint);color:var(--teal-dark);font-weight:900}
    .matrix-card h3{font-size:18px;margin:15px 0 6px}
    .matrix-card p{font-size:14px;color:var(--muted);margin:0}
    .dark{background:var(--teal-dark);color:#fff}
    .dark .section-head p{color:rgba(255,255,255,.7)}
    .dark .section-kicker{color:var(--gold)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.2)}
    .step{padding:27px 25px 18px 0;border-right:1px solid rgba(255,255,255,.2);margin-right:25px}
    .step:last-child{border:0;margin:0}
    .step-no{font-size:13px;color:var(--gold);font-weight:900}
    .step h3{font-size:20px;margin:11px 0 7px}
    .step p{font-size:14px;color:rgba(255,255,255,.68);margin:0}
    .rights-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
    .rights-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .rights-row{display:grid;grid-template-columns:1.15fr .8fr .8fr;padding:18px 23px;border-bottom:1px solid var(--line);align-items:center}
    .rights-row:last-child{border-bottom:0}
    .rights-row.head{background:#eef6f3;color:var(--teal-dark);font-size:13px;font-weight:900}
    .rights-row strong{font-size:15px}
    .rights-row span{font-size:14px;color:var(--muted)}
    .pill{display:inline-flex;padding:5px 10px;border-radius:20px;background:var(--mint);color:var(--teal-dark);font-size:12px;font-weight:800}
    .image-story{display:grid;grid-template-columns:.92fr 1.08fr;gap:54px;align-items:center}
    .image-story img{height:430px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-copy h2{font-size:clamp(30px,4vw,47px);line-height:1.18;margin:13px 0 18px;letter-spacing:-.04em}
    .story-copy p{color:var(--muted)}
    .point-list{list-style:none;padding:0;margin:24px 0 0}
    .point-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
    .point-list li:last-child{border-bottom:0}
    .point-list i{width:27px;height:27px;flex:0 0 27px;border-radius:50%;background:var(--mint);color:var(--teal);font-style:normal;text-align:center;font-weight:900}
    .point-list strong{display:block;margin-bottom:2px}
    .point-list span{font-size:14px;color:var(--muted)}
    .assurance{background:#eaf4f0}
    .assurance-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
    .assurance-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px}
    .assurance-main h3{font-size:25px;margin:0 0 13px}
    .assurance-main p{color:var(--muted);margin:0 0 20px}
    .assurance-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .assurance-item{padding:16px;border-radius:15px;background:#f3f8f6;border:1px solid #e0eeea}
    .assurance-item b{display:block;font-size:15px}
    .assurance-item span{font-size:13px;color:var(--muted)}
    .quote-card{background:var(--teal);color:#fff;border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;justify-content:space-between}
    .quote-card blockquote{font-size:23px;line-height:1.5;margin:0 0 30px;font-weight:800}
    .quote-card small{color:rgba(255,255,255,.68)}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.5fr;gap:55px}
    .faq-intro h2{font-size:38px;line-height:1.2;margin:12px 0}
    .faq-intro p{color:var(--muted)}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink);font-weight:800;padding:20px 0;box-shadow:none!important}
    .accordion-button:after{filter:hue-rotate(120deg)}
    .accordion-body{padding:0 35px 20px 0;color:var(--muted);font-size:14px}
    .contact-section{padding-top:28px}
    .contact-box{background:linear-gradient(120deg,#07534f,#0c766d);border-radius:28px;padding:48px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:45px;box-shadow:var(--shadow)}
    .contact-box h2{font-size:clamp(31px,4vw,49px);line-height:1.16;margin:13px 0}
    .contact-box p{color:rgba(255,255,255,.75)}
    .contact-form{background:#fff;border-radius:20px;padding:25px;color:var(--ink)}
    .form-label{font-size:13px;font-weight:800;margin-bottom:6px}
    .form-control,.form-select{border:1px solid var(--line);border-radius:11px;padding:11px 13px;background:#f9fbfa}
    .form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(12,118,109,.12)}
    .form-tip{font-size:12px;color:var(--muted);margin:11px 0 0}
    footer{background:#102127;color:rgba(255,255,255,.68);padding:62px 0 22px}
    footer .brand{margin-bottom:17px}
    footer p{font-size:14px;max-width:310px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .9fr 1fr;gap:38px}
    footer h3{color:#fff;font-size:16px;margin:4px 0 16px}
    footer ul{list-style:none;padding:0;margin:0}
    footer li{margin:8px 0;font-size:14px}
    footer a:hover{color:var(--gold)}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:43px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px}
    .copyright span{margin-right:20px}
    @media(max-width:1024px){
      .nav-link{font-size:13px;padding-left:8px!important;padding-right:8px!important}
      .hero-grid,.matrix-layout,.rights-layout,.image-story,.assurance-grid{grid-template-columns:1fr}
      .hero{min-height:auto;padding-top:145px}
      .hero-panel{max-width:720px}
      .steps{grid-template-columns:repeat(2,1fr);gap:20px}
      .step{border-right:0;margin:0;border-bottom:1px solid rgba(255,255,255,.2)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{padding-left:18px;padding-right:18px}
      .topbar{top:10px}
      .nav-shell{padding:8px 11px}
      .navbar-collapse{background:rgba(5,42,43,.97);margin:8px -3px -3px;padding:10px;border-radius:14px}
      .navbar-nav{align-items:stretch!important}
      .nav-link{padding:10px 12px!important}
      .hero{padding:132px 0 70px}
      .hero h1{font-size:48px}
      .hero-copy{font-size:16px}
      .hero-panel{padding:21px}
      section{padding:66px 0}
      .metric-strip{margin-top:-25px}
      .metrics{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .matrix-grid,.assurance-list{grid-template-columns:1fr}
      .contact-box{grid-template-columns:1fr;padding:30px 22px;gap:22px}
      .faq-wrap{grid-template-columns:1fr;gap:18px}
      .faq-intro h2{font-size:31px}
    }
    @media(max-width:520px){
      .brand{font-size:18px}
      .brand-mark{width:31px;height:31px}
      .hero h1{font-size:40px}
      .hero-actions>*{width:100%}
      .metrics{grid-template-columns:1fr}
      .metric{border-right:0!important;border-bottom:1px solid var(--line)}
      .metric:last-child{border-bottom:0}
      .steps{grid-template-columns:1fr}
      .rights-row{grid-template-columns:1.1fr .75fr .75fr;padding:15px 14px}
      .rights-row strong,.rights-row span{font-size:12px}
      .image-story img{height:300px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright div{margin-bottom:10px}
    }

/* roulang page: category6 */
:root{
      --ink:#102127;
      --muted:#6f8185;
      --paper:#f5f8f7;
      --white:#fff;
      --line:#dce8e5;
      --teal:#0c766d;
      --teal-dark:#07534f;
      --mint:#d8f0e8;
      --gold:#e5b866;
      --orange:#c77b32;
      --radius:22px;
      --shadow:0 18px 50px rgba(16,33,39,.10);
      --shadow-sm:0 8px 24px rgba(16,33,39,.07);
    }
    *{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",sans-serif;line-height:1.8;letter-spacing:.01em}
    img{max-width:100%;height:auto;display:block}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--teal)}
    button,input{font:inherit}
    .container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
    .topbar{position:absolute;z-index:10;top:18px;left:0;right:0}
    .nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.10)}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}
    .nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}
    .nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}
    .nav-cta:hover{background:#f3ce80}
    .hero{min-height:580px;padding:174px 0 82px;background:linear-gradient(104deg,rgba(5,42,43,.94),rgba(7,82,76,.68)),url('/assets/images/backpic/back-2.webp') center/cover;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-8%;bottom:-180px;width:580px;height:420px;background:rgba(229,184,102,.14);transform:rotate(-15deg);border-radius:120px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.055em;color:#fff;font-weight:900;margin:18px 0}
    .hero-copy{font-size:18px;color:rgba(255,255,255,.82);max-width:610px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0 0}
    .btn-main,.btn-ghost,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-main{background:var(--gold);color:#173d3b}
    .btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.23)}
    .btn-ghost{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:#fff;color:var(--teal-dark)}
    .btn-soft{background:var(--mint);color:var(--teal-dark)}
    .btn-soft:hover{transform:translateY(-2px);background:#c4e7dc}
    .hero-panel{background:rgba(255,255,255,.94);border-radius:28px;padding:30px;box-shadow:var(--shadow);position:relative}
    .panel-top{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:21px;margin-bottom:8px}
    .panel-label{font-size:13px;color:var(--muted);font-weight:700}
    .panel-status{background:var(--mint);color:var(--teal-dark);border-radius:20px;padding:4px 11px;font-size:12px;font-weight:800}
    .panel-title{font-size:27px;font-weight:900;line-height:1.25;margin:5px 0}
    .panel-row{display:flex;align-items:center;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .panel-row:last-child{border-bottom:0}
    .panel-icon{width:39px;height:39px;border-radius:13px;background:#eef7f4;color:var(--teal);display:grid;place-items:center;font-weight:900}
    .panel-row strong{display:block;font-size:15px}
    .panel-row span{display:block;color:var(--muted);font-size:13px}
    section{padding:86px 0}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.16;letter-spacing:-.04em;margin:11px 0 15px;font-weight:900}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .kicker{color:var(--teal);font-size:13px;font-weight:900;letter-spacing:.1em}
    .intro-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:58px;align-items:center}
    .intro-grid img{height:390px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .lead-copy{font-size:18px;line-height:1.9}
    .muted{color:var(--muted)}
    .metric-strip{background:var(--teal-dark);color:#fff;padding:35px 0}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .metric{padding:8px 25px;border-right:1px solid rgba(255,255,255,.2)}
    .metric:last-child{border-right:0}
    .metric b{display:block;color:var(--gold);font-size:36px;line-height:1.1;margin-bottom:5px}
    .metric span{color:rgba(255,255,255,.72);font-size:14px}
    .benefit-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .benefit-main,.benefit-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .benefit-main{padding:35px}
    .benefit-main h3{font-size:28px;margin:0 0 12px}
    .benefit-main p{color:var(--muted);max-width:700px}
    .benefit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:25px}
    .benefit-list div{padding:18px;border:1px solid var(--line);border-radius:15px;background:#fbfdfc}
    .benefit-list strong{display:block;margin-bottom:5px}
    .benefit-list span{display:block;color:var(--muted);font-size:13px}
    .benefit-side{padding:28px;background:var(--mint)}
    .benefit-side h3{font-size:22px;margin-top:0}
    .benefit-side ul{padding-left:19px;margin:17px 0 0}
    .benefit-side li{padding:7px 0;color:#315b57}
    .dark{background:#102f30;color:#fff}
    .dark .section-head p{color:rgba(255,255,255,.72)}
    .dark .kicker{color:var(--gold)}
    .activity-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
    .activity-image{height:390px;object-fit:cover;width:100%;border-radius:var(--radius);box-shadow:20px 20px 0 rgba(229,184,102,.15)}
    .activity-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.17);border-radius:20px;padding:25px;margin-bottom:14px}
    .activity-card:last-child{margin-bottom:0}
    .activity-card header{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .activity-card h3{font-size:20px;margin:0}
    .activity-card p{color:rgba(255,255,255,.7);font-size:14px;margin:0}
    .activity-card .tag{color:var(--gold);font-size:11px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .process-item{position:relative;padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;min-height:190px}
    .process-item:after{content:"→";position:absolute;right:-17px;top:43%;color:var(--gold);font-size:25px;font-weight:900}
    .process-item:last-child:after{display:none}
    .step{color:var(--teal);font-weight:900;font-size:13px;letter-spacing:.08em}
    .process-item h3{font-size:19px;margin:18px 0 8px}
    .process-item p{font-size:14px;color:var(--muted);margin:0}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .compare-card{border-radius:var(--radius);padding:32px;border:1px solid var(--line);background:#fff}
    .compare-card.featured{background:var(--teal);color:#fff;border-color:var(--teal)}
    .compare-card h3{font-size:24px;margin:0 0 18px}
    .compare-card ul{list-style:none;padding:0;margin:0}
    .compare-card li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .compare-card.featured li{border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.82)}
    .compare-card li:before{content:"✓";color:var(--orange);font-weight:900;margin-right:10px}
    .compare-card.featured li:before{color:var(--gold)}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .notice-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .notice-box h3{margin-top:0;font-size:23px}
    .notice-box p{color:var(--muted);font-size:15px}
    .notice-box ol{padding-left:21px;color:var(--muted);font-size:14px}
    .notice-box li{padding:5px 0}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:52px}
    .faq-intro h2{font-size:39px;line-height:1.2;margin-top:10px}
    .faq-intro p{color:var(--muted)}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;padding:21px 0;font-weight:800}
    .accordion-button:after{filter:hue-rotate(125deg)}
    .accordion-body{padding:0 30px 20px 0;color:var(--muted);font-size:14px}
    .cta{padding:72px 0;background:var(--mint)}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:0 0 10px}
    .cta p{margin:0;color:#55716f;max-width:650px}
    footer{background:#0d292b;color:#d5e4e0;padding:65px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr 1fr;gap:35px}
    footer .brand{margin-bottom:16px}
    footer p{color:rgba(213,228,224,.68);font-size:14px}
    footer h3{font-size:15px;color:var(--gold);margin:5px 0 15px}
    footer ul{list-style:none;padding:0;margin:0}
    footer li{padding:4px 0;font-size:14px;color:rgba(213,228,224,.72)}
    footer a:hover{color:var(--gold)}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);margin-top:45px;padding-top:20px;color:rgba(213,228,224,.55);font-size:12px}
    .copyright span{margin-right:19px}
    .copyright a{color:rgba(213,228,224,.72)}
    :focus-visible{outline:3px solid rgba(229,184,102,.75);outline-offset:3px}
    @media(max-width:1024px){
      .nav-link{font-size:13px;padding-left:8px!important;padding-right:8px!important}
      .hero-grid,.intro-grid,.benefit-grid,.activity-layout,.faq-wrap{gap:30px}
      .process{grid-template-columns:repeat(2,1fr)}
      .process-item:after{display:none}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .topbar{top:10px}
      .nav-shell{padding:9px 12px}
      .navbar-collapse{background:rgba(7,63,61,.97);border-radius:14px;margin-top:10px;padding:8px}
      .nav-link{padding:10px 12px!important}
      .hero{min-height:auto;padding:145px 0 65px}
      .hero-grid,.intro-grid,.benefit-grid,.activity-layout,.notice-grid,.faq-wrap,.compare{grid-template-columns:1fr}
      .hero-panel{margin-top:15px}
      section{padding:65px 0}
      .metrics{grid-template-columns:repeat(2,1fr)}
      .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:13px 8px}
      .metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
      .benefit-list{grid-template-columns:1fr}
      .cta-box{display:block}
      .cta-box .btn-main{margin-top:22px}
    }
    @media(max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      h1{font-size:43px}
      .hero-copy{font-size:16px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
      .hero-panel{padding:22px}
      .panel-title{font-size:23px}
      .metrics{gap:7px}
      .metric b{font-size:29px}
      .section-head h2{font-size:32px}
      .benefit-main,.notice-box,.compare-card{padding:24px}
      .process{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright div{margin-bottom:10px}
      .copyright span{display:block;margin:3px 0}
    }

/* roulang page: category1 */
:root{--ink:#102127;--muted:#6f8185;--paper:#f5f8f7;--white:#fff;--line:#dce8e5;--teal:#0c766d;--teal-dark:#07534f;--mint:#d8f0e8;--gold:#e5b866;--orange:#c77b32;--radius:22px;--shadow:0 18px 50px rgba(16,33,39,.10);--shadow-sm:0 8px 24px rgba(16,33,39,.07)}
*{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",sans-serif;line-height:1.8;letter-spacing:.01em}a{color:inherit;text-decoration:none;transition:.25s ease}a:hover{color:var(--teal)}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.container{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}
.topbar{position:absolute;z-index:20;top:18px;left:0;right:0}.nav-shell{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);border-radius:18px;padding:10px 14px;backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.10)}.brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;white-space:nowrap}.brand:hover{color:#fff}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--gold);display:grid;place-items:center;color:var(--teal-dark);font-weight:900}.nav-link{color:rgba(255,255,255,.84)!important;padding:9px 11px!important;border-radius:10px;font-size:14px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:#fff!important;background:rgba(255,255,255,.16)}.nav-cta{background:var(--gold);color:#173d3b!important;border-radius:10px;padding:9px 16px!important;font-weight:800}.nav-cta:hover{background:#f3ce80!important;color:#173d3b!important}.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(229,184,102,.42)!important}
.hero-inner{min-height:610px;padding:166px 0 82px;position:relative;overflow:hidden;background:linear-gradient(105deg,rgba(5,42,43,.94),rgba(7,82,76,.70)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-inner:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(229,184,102,.32);border-radius:50%;right:-130px;top:86px}.hero-inner:after{content:"";position:absolute;width:230px;height:230px;border-radius:40px;background:rgba(229,184,102,.12);right:12%;bottom:-110px;transform:rotate(23deg)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;gap:50px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}h1{font-size:clamp(39px,5vw,66px);line-height:1.12;letter-spacing:-.055em;font-weight:900;color:#fff;margin:17px 0 19px}.hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:590px;margin:0}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:29px}.btn-main,.btn-ghost,.btn-soft{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 21px;border-radius:12px;font-weight:800;border:1px solid transparent;transition:.25s ease}.btn-main{background:var(--gold);color:#173d3b}.btn-main:hover{transform:translateY(-3px);background:#f2cc7c;color:#173d3b;box-shadow:0 10px 22px rgba(229,184,102,.25)}.btn-ghost{color:#fff;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.08)}.btn-ghost:hover{background:#fff;color:var(--teal-dark)}.btn-soft{background:var(--mint);color:var(--teal-dark)}.btn-soft:hover{background:#c4e7dc;color:var(--teal-dark);transform:translateY(-2px)}.entry-panel{background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);padding:27px;border-radius:26px;box-shadow:var(--shadow);color:var(--ink)}.panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid var(--line)}.panel-top strong{font-size:18px}.safe-dot{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-size:12px;font-weight:800}.safe-dot i{width:8px;height:8px;background:#2eae83;border-radius:50%;display:block}.input-view{margin:18px 0 10px;border:1px solid var(--line);background:#f8fbfa;border-radius:13px;padding:13px 14px;color:#607578;font-size:14px}.entry-steps{list-style:none;margin:13px 0 0;padding:0}.entry-steps li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.entry-steps li:last-child{border:0}.num{flex:0 0 27px;height:27px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--teal-dark);font-size:12px;font-weight:900}
main{overflow:hidden}section{padding:86px 0}.section-head{max-width:740px;margin-bottom:35px}.section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.18;letter-spacing:-.035em;margin:10px 0 14px;font-weight:900}.section-head p{color:var(--muted);font-size:16px;margin:0}.tag{display:inline-flex;border:1px solid #b9ddd3;color:var(--teal);background:#eff9f5;padding:4px 10px;border-radius:99px;font-size:12px;font-weight:800;letter-spacing:.08em}.intro-grid{display:grid;grid-template-columns:4fr 7fr;gap:68px;align-items:start}.big-lead{font-size:25px;line-height:1.6;font-weight:800;letter-spacing:-.02em}.intro-grid p{color:var(--muted)}.signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:31px}.signal{border-top:2px solid var(--gold);padding-top:13px}.signal strong{font-size:24px;display:block}.signal span{font-size:13px;color:var(--muted)}
.dark-section{background:var(--ink);color:#fff;position:relative}.dark-section:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 87% 28%,rgba(12,118,109,.46),transparent 28%);pointer-events:none}.dark-section .container{position:relative;z-index:1}.dark-section .section-head p{color:rgba(255,255,255,.70)}.service-list{border-top:1px solid rgba(255,255,255,.22)}.service-row{display:grid;grid-template-columns:80px 1.2fr 2fr auto;gap:25px;align-items:center;padding:26px 0;border-bottom:1px solid rgba(255,255,255,.18)}.service-row b{font-size:16px}.service-row p{color:rgba(255,255,255,.67);font-size:14px;margin:0}.service-row a{font-size:14px;color:var(--gold);font-weight:800}.service-row a:hover{color:#fff}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.photo-card{position:relative;min-height:445px;overflow:hidden;border-radius:var(--radius);color:#fff}.photo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.photo-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(7,30,31,.88))}.photo-text{position:absolute;z-index:1;left:30px;right:30px;bottom:26px}.photo-text h3{font-size:29px;font-weight:900;margin:8px 0}.photo-text p{margin:0;color:rgba(255,255,255,.8)}.check-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;box-shadow:var(--shadow-sm)}.check-card h3{font-size:26px;font-weight:900;margin:0 0 10px}.check-card>p{font-size:14px;color:var(--muted)}.check-list{list-style:none;margin:18px 0 0;padding:0}.check-list li{display:flex;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}.check-list li:last-child{border:0}.check-icon{width:25px;height:25px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-weight:900}
.scenario-wrap{display:grid;grid-template-columns:3fr 5fr;gap:60px}.scenario-list{display:grid;gap:10px}.scenario{background:#fff;border:1px solid var(--line);padding:19px 21px;border-radius:15px;transition:.25s}.scenario:hover{transform:translateX(6px);border-color:#9dcec1;box-shadow:var(--shadow-sm)}.scenario b{display:block;margin-bottom:4px}.scenario p{font-size:13px;color:var(--muted);margin:0}.metric-box{background:linear-gradient(145deg,#e2f5ed,#fff);border:1px solid #c8e4db;border-radius:var(--radius);padding:35px}.metric-box h3{font-size:31px;line-height:1.25;font-weight:900;margin:9px 0 16px}.metric-box p{color:var(--muted)}.progress-line{height:9px;border-radius:9px;background:#d5e9e3;overflow:hidden;margin:25px 0 7px}.progress-line span{display:block;height:100%;width:86%;background:var(--teal);border-radius:9px}.metric-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:flow}.process{padding:20px 26px 20px 0;margin-right:24px;position:relative}.process:not(:last-child):after{content:"";position:absolute;right:0;top:40px;width:1px;height:92px;background:var(--line)}.process-number{font-size:13px;font-weight:900;color:var(--orange)}.process h3{font-size:19px;font-weight:900;margin:9px 0}.process p{font-size:14px;color:var(--muted);margin:0}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.notice-card{padding:31px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}.notice-card.gold{background:#fff9ea;border-color:#f0dba6}.notice-card h3{font-size:23px;font-weight:900;margin:0 0 11px}.notice-card p{font-size:14px;color:var(--muted);margin:0}.notice-card ul{padding-left:19px;margin:17px 0 0;color:var(--ink);font-size:14px}.notice-card li{padding:4px 0}
.news-board{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:5px 27px}.news-row{display:grid;grid-template-columns:108px 1fr auto;gap:22px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}.news-row:last-child{border:0}.news-row time{font-size:13px;color:var(--teal);font-weight:900}.news-row h3{font-size:17px;font-weight:900;margin:0 0 4px}.news-row p{font-size:13px;color:var(--muted);margin:0}.read-more{font-size:13px;color:var(--teal);font-weight:900;white-space:nowrap}.read-more:hover{color:var(--orange)}
.faq-layout{display:grid;grid-template-columns:4fr 7fr;gap:70px}.faq-side p{color:var(--muted)}.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:12px;background:#fff}.accordion-button{font-weight:800;font-size:16px;padding:20px 22px;background:#fff!important;color:var(--ink)!important;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--teal-dark)!important;background:#f0f8f5!important}.accordion-body{font-size:14px;color:var(--muted);padding:0 22px 21px}.cta-section{padding:0 0 90px}.cta-box{border-radius:28px;background:linear-gradient(112deg,var(--teal-dark),var(--teal));padding:57px 60px;color:#fff;position:relative;overflow:hidden}.cta-box:before{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-110px;top:-200px}.cta-box>*{position:relative;z-index:1}.cta-box h2{font-size:clamp(30px,4vw,45px);font-weight:900;line-height:1.2;margin:9px 0 13px}.cta-box p{color:rgba(255,255,255,.75);max-width:680px}.cta-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:24px}.cta-actions .btn-soft{background:#fff;color:var(--teal-dark)}
footer{background:#0b1d21;color:rgba(255,255,255,.7);padding:70px 0 24px}footer .brand{margin-bottom:16px}footer p{font-size:14px;max-width:305px;margin:0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:46px}.footer-grid h3{font-size:15px;color:#fff;font-weight:800;margin:4px 0 14px}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin:8px 0;font-size:14px}.footer-grid a:hover{color:var(--gold)}.footer-grid .btn-soft{margin-top:15px;min-height:42px;padding:8px 15px}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;font-size:12px;flex-wrap:wrap}.copyright div:first-child{display:flex;gap:15px;flex-wrap:wrap}.copyright a:hover{color:var(--gold)}
@media(max-width:1024px){.nav-link{padding:8px 7px!important;font-size:13px}.hero-grid,.intro-grid,.scenario-wrap,.faq-layout{gap:35px}.service-row{grid-template-columns:65px 1fr 1.5fr auto}.footer-grid{gap:26px}.process{padding-right:18px;margin-right:18px}}
@media(max-width:768px){.topbar{top:10px}.nav-shell{padding:8px 11px}.navbar-collapse{margin-top:10px;padding:8px;border-radius:13px;background:rgba(4,39,40,.92)}.nav-link{padding:10px 12px!important}.hero-inner{min-height:auto;padding:145px 0 65px}.hero-grid,.intro-grid,.feature-grid,.scenario-wrap,.faq-layout{grid-template-columns:1fr}.entry-panel{max-width:590px}.signal-grid{max-width:580px}.service-row{grid-template-columns:62px 1fr}.service-row p{grid-column:2}.service-row a{grid-column:2}.process-grid{grid-template-columns:1fr 1fr;gap:12px}.process{padding:14px;margin:0;border:1px solid var(--line);border-radius:14px}.process:not(:last-child):after{display:none}.notice-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.faq-layout{gap:25px}.cta-box{padding:42px 32px}.news-row{grid-template-columns:90px 1fr}.news-row .read-more{grid-column:2}.photo-card{min-height:360px}}
@media(max-width:520px){.container{padding-left:18px;padding-right:18px}section{padding:63px 0}h1{font-size:38px}.hero-copy{font-size:16px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.btn-main,.btn-ghost,.btn-soft{width:100%}.signal-grid{grid-template-columns:1fr 1fr}.service-row{gap:13px}.service-row b{font-size:14px}.news-board{padding:4px 17px}.news-row{grid-template-columns:1fr;gap:5px}.news-row .read-more{grid-column:auto;margin-top:5px}.process-grid,.footer-grid{grid-template-columns:1fr}.cta-box{padding:35px 24px}.copyright{display:block}.copyright div+div{margin-top:10px}.photo-text{left:22px;right:22px}.entry-panel{padding:20px}.section-head h2{font-size:31px}}