/* roulang page: index */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8;font-size:16px}
    a{color:var(--blue);text-decoration:none;transition:.25s ease}a:hover{color:var(--blue-dark)}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.65);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,24,45,.97);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}.logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}.logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}.logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}.nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none}.nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}.nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}.header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}.menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:92px 0 84px;background-image:linear-gradient(90deg,rgba(7,24,45,.97) 0%,rgba(7,24,45,.82) 48%,rgba(7,24,45,.35)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;right:7%;top:20%;width:210px;height:210px;border:1px solid rgba(99,215,197,.35);border-radius:50%;box-shadow:0 0 0 22px rgba(99,215,197,.04),0 0 0 48px rgba(99,215,197,.03)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;position:relative;z-index:1}.eyebrow,.kicker{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800;text-transform:uppercase}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.18;margin:18px 0 22px;max-width:720px;letter-spacing:-2px}.hero p{color:#d7e3f0;max-width:650px;font-size:18px}.actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}.button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}.button-main{background:var(--cyan);color:var(--navy)}.button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px);box-shadow:0 8px 18px rgba(99,215,197,.25)}.button-ghost{border-color:#7794af;color:#fff}.button-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(99,215,197,.1)}.button-light{background:var(--blue);color:#fff}.button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .trust-row{display:flex;gap:28px;color:#aebfd1;font-size:13px;border-top:1px solid rgba(255,255,255,.18);padding-top:18px}.trust-row strong{display:block;color:#fff;font-size:20px;line-height:1.2}.fund-panel{background:rgba(255,255,255,.96);color:var(--ink);padding:27px;border-radius:var(--radius);box-shadow:0 20px 55px rgba(0,0,0,.25);max-width:390px;margin-left:auto}.fund-head{display:flex;justify-content:space-between;align-items:start}.fund-head h2{font-size:21px;margin:0}.status{color:var(--blue);font-size:13px;background:#eaf2ff;padding:4px 9px;border-radius:20px}.progress-ring{width:126px;height:126px;border-radius:50%;background:conic-gradient(var(--blue) 0 72%,#e4edf7 72% 100%);display:grid;place-items:center;margin:24px auto 18px}.progress-ring div{width:94px;height:94px;background:#fff;border-radius:50%;display:grid;place-items:center;text-align:center;font-weight:800;color:var(--blue);line-height:1.2}.fund-panel p{font-size:14px;color:var(--muted);margin:10px 0}.fund-panel .button-light{width:100%;margin-top:12px}
    section{padding:88px 0}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 0;letter-spacing:-1px}.section-head p{max-width:520px;color:var(--muted);margin:0}.service-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:34px}.intro-panel{background:var(--navy-2);color:#fff;padding:38px;border-radius:var(--radius);min-height:360px}.intro-panel h3{font-size:27px;margin:18px 0}.intro-panel p{color:#c8d8e8}.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--soft-shadow);transition:.25s}.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#a9c8ed}.service-card .num{color:var(--blue);font-size:13px;font-weight:800}.service-card h3{font-size:21px;margin:9px 0}.service-card p{color:var(--muted);font-size:14px;margin:0}.service-card a{display:inline-block;margin-top:14px;font-weight:700;font-size:14px}
    .metrics{background:#eaf3fb;padding:60px 0}.metric-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1.4fr;gap:18px;align-items:stretch}.metric{background:#fff;padding:25px;border-radius:14px;border:1px solid var(--line)}.metric strong{display:block;color:var(--blue);font-size:39px;line-height:1.1}.metric span{font-weight:700}.metric small{display:block;color:var(--muted);margin-top:8px}.meter-box{background:var(--navy);color:#fff;padding:24px;border-radius:14px}.meter-box p{margin:5px 0 15px;color:#c2d4e6;font-size:14px}.meter{height:9px;background:#274564;border-radius:9px;overflow:hidden}.meter i{display:block;height:100%;width:78%;background:var(--cyan);border-radius:inherit}.meter-label{display:flex;justify-content:space-between;color:#d8e6f2;font-size:13px;margin-top:8px}
    .feature{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:stretch}.feature-image{min-height:430px;border-radius:var(--radius);overflow:hidden;position:relative}.feature-image img{height:100%;min-height:430px}.image-caption{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(7,24,45,.9));color:#fff;padding:55px 28px 24px}.image-caption b{font-size:23px}.case-side{display:flex;flex-direction:column;gap:14px}.case-item{background:#fff;border:1px solid var(--line);padding:20px 22px;border-radius:14px;display:grid;grid-template-columns:64px 1fr;gap:15px}.case-item time{color:var(--blue);font-size:13px;font-weight:800}.case-item h3{font-size:18px;margin:0 0 4px}.case-item p{font-size:14px;color:var(--muted);margin:0}.case-item a{font-size:13px;font-weight:700}
    .scenario{background:#fff}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.scenario-image{border-radius:var(--radius);overflow:hidden}.scenario-image img{height:380px}.steps{border-left:2px solid #cfe0f2;padding-left:25px}.step{position:relative;padding:0 0 25px}.step:before{content:"";position:absolute;left:-34px;top:7px;width:14px;height:14px;background:var(--cyan);border:3px solid #e8f7f4;border-radius:50%}.step b{color:var(--blue);font-size:13px}.step h3{margin:3px 0;font-size:21px}.step p{margin:0;color:var(--muted);font-size:15px}
    .bundles{background:#f0f5fa}.bundle-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:18px}.bundle{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}.bundle:first-child{grid-row:span 2}.bundle img{height:190px}.bundle:first-child img{height:255px}.bundle-body{padding:20px}.bundle h3{margin:7px 0;font-size:20px}.bundle p{color:var(--muted);font-size:14px;margin:0 0 14px}.tag{display:inline-block;color:var(--blue);background:#eaf2ff;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:700}
    .news-section{background:#fff}.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:30px}.news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:115px 1fr 90px;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.news-row time{font-size:13px;color:var(--blue);font-weight:800}.news-row h3{font-size:18px;margin:0 0 5px}.news-row p{margin:0;color:var(--muted);font-size:14px}.news-row a{font-size:13px;font-weight:800;text-align:right}.news-feature{background:var(--navy-2);color:#fff;border-radius:var(--radius);padding:28px}.news-feature img{height:170px;border-radius:11px;margin-bottom:18px}.news-feature p{color:#c5d5e4;font-size:14px}.news-feature a{color:var(--cyan);font-weight:700}
    .membership{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}.membership h2{font-size:36px;line-height:1.3;margin:10px 0}.membership p{color:var(--muted)}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.benefit{padding:20px;background:#fff;border:1px solid var(--line);border-radius:13px}.benefit b{display:block;color:var(--blue);font-size:20px;margin-bottom:8px}.benefit span{font-size:14px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.65fr 1.35fr;gap:55px}.faq-wrap h2{font-size:34px;line-height:1.3}.faq-wrap>div>p{color:var(--muted)}.accordion{margin:0;border:0;background:transparent}.accordion-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}.accordion-title{font-size:17px;font-weight:700;color:var(--ink);padding:18px 22px;border:0;background:#fff}.accordion-title:hover{background:#f2f7fc;color:var(--blue)}.accordion-content{border:0;padding:0 22px 20px;color:var(--muted);font-size:15px}
    .contact{background:var(--navy);color:#fff}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.contact h2{font-size:39px;line-height:1.3;margin:12px 0}.contact p{color:#c2d2e2}.contact-info{margin-top:30px;display:grid;gap:15px}.contact-info div{border-left:3px solid var(--cyan);padding-left:14px}.contact-info b{display:block;color:#fff}.contact-info span{color:#aec1d4;font-size:14px}.form-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:28px}.form-card label{font-weight:700;font-size:14px}.form-card input,.form-card select,.form-card textarea{border:1px solid #cbd9e8;border-radius:8px;box-shadow:none;margin-top:6px;background:#fbfdff}.form-card textarea{min-height:105px}.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,210,.12)}.form-card .button-light{border:0}.privacy{font-size:12px;color:var(--muted);margin:14px 0 0}.form-feedback{font-size:14px;color:#087b68;margin-top:10px;min-height:22px}
    footer{background:#061426;color:#aebed0;padding:50px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px;border-bottom:1px solid #233950}.footer-brand .logo{margin-bottom:14px}.footer-brand p{font-size:14px;max-width:300px}.footer h3{color:#fff;font-size:16px;margin:5px 0 14px}.footer a{display:block;color:#aebed0;font-size:14px;margin:6px 0}.footer a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;padding-top:20px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:8px 6px;font-size:12px}.hero-grid{gap:35px}.metric-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-wrap{display:none;position:absolute;left:0;right:0;top:68px;background:var(--navy);padding:12px 15px;border-bottom:2px solid var(--cyan)}.nav-wrap.open{display:block}.nav-list{display:grid;grid-template-columns:repeat(2,1fr)}.nav-list a{display:block;padding:11px}.header-cta{margin-left:0}.hero{padding:65px 0 60px}.hero-grid,.service-layout,.feature,.scenario-grid,.membership,.faq-wrap,.contact-grid,.news-layout{grid-template-columns:1fr}.hero h1{font-size:42px}.hero p{font-size:16px}.fund-panel{margin:10px 0 0;max-width:none}.hero:after{right:-80px}.section-head{display:block}.section-head p{margin-top:14px}.feature-image,.feature-image img{min-height:300px}.bundle-grid{grid-template-columns:1fr 1fr}.bundle:first-child{grid-column:span 2;grid-row:auto}.news-row{grid-template-columns:90px 1fr}.news-row a{grid-column:2;text-align:left}.contact-grid{gap:30px}.benefits{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){body{font-size:15px}.hero h1{font-size:35px}.trust-row{gap:15px;flex-wrap:wrap}.trust-row strong{font-size:17px}.service-list,.metric-grid,.bundle-grid,.benefits,.footer-grid{grid-template-columns:1fr}.bundle:first-child{grid-column:auto}.news-row{grid-template-columns:1fr;gap:4px}.news-row a{grid-column:auto}.section-head h2,.membership h2,.contact h2{font-size:29px}section{padding:60px 0}.form-card{padding:20px}.footer-grid{gap:20px}}

/* roulang page: category3 */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.8}
    a{color:var(--blue);text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue-dark)}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.7);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,24,45,.98);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}
    .logo:hover{color:var(--cyan)}
    .logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}
    .logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none}
    .nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}
    .header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}
    .header-cta:hover{background:#8be7d8!important;box-shadow:0 5px 15px rgba(99,215,197,.28)!important}
    .menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .page-hero{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(7,24,45,.98),rgba(7,24,45,.72)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;padding:78px 0 72px}
    .page-hero:after{content:"03";position:absolute;right:8%;bottom:-34px;color:rgba(99,215,197,.12);font-size:190px;font-weight:900;line-height:1}
    .hero-content{position:relative;z-index:1;max-width:760px}
    .eyebrow,.kicker{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800}
    .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.2;letter-spacing:-2px;margin:15px 0 19px}
    .page-hero p{max-width:690px;color:#d7e3f0;font-size:18px;margin-bottom:28px}
    .button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}
    .button-main{background:var(--cyan);color:var(--navy)}
    .button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px)}
    .button-ghost{border-color:#7794af;color:#fff;margin-left:10px}
    .button-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(99,215,197,.1)}
    .button-light{background:var(--blue);color:#fff}
    .button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .intro-copy{font-size:17px;color:#40546b}
    .intro-copy strong{color:var(--ink)}
    .image-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#dce6f1}
    .image-frame img{height:350px}
    .metric-section{background:#eaf2fa}
    .metric-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .metric-lead{background:var(--navy);border-radius:var(--radius);padding:31px;color:#fff}
    .metric-lead h2{font-size:32px;line-height:1.3;margin:10px 0 14px}
    .metric-lead p{color:#c7d7e8;margin-bottom:0}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .metric-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--soft-shadow)}
    .metric-card .value{font-size:40px;font-weight:800;color:var(--blue);line-height:1.1}
    .metric-card .label{font-weight:800;margin-top:7px}
    .metric-card p{font-size:13px;color:var(--muted);margin:5px 0 0}
    .bar{height:7px;background:#e4edf6;border-radius:10px;margin-top:17px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--cyan);border-radius:10px}
    .process-section{background:#fff}
    .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-step{position:relative;padding:28px 24px 12px;border-right:1px solid var(--line)}
    .process-step:last-child{border-right:0}
    .process-step:before{content:"";position:absolute;top:-6px;left:24px;width:11px;height:11px;background:var(--cyan);border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 1px var(--cyan)}
    .process-step .num{font-size:13px;color:var(--blue);font-weight:800}
    .process-step h3{font-size:20px;margin:8px 0}
    .process-step p{font-size:14px;color:var(--muted);margin:0}
    .schedule-area{display:grid;grid-template-columns:1.28fr .72fr;gap:24px}
    .schedule-panel,.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
    .schedule-panel{padding:28px}
    .filter-row{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0 22px}
    .filter-row button{border:1px solid var(--line);background:#f5f8fc;color:var(--muted);padding:7px 14px;border-radius:20px;font-size:13px}
    .filter-row button:hover,.filter-row button.active{background:var(--blue);border-color:var(--blue);color:#fff}
    .match-row{display:grid;grid-template-columns:92px 1fr 100px;gap:18px;align-items:center;border-top:1px solid var(--line);padding:19px 0}
    .match-date{font-size:13px;color:var(--blue);font-weight:800}
    .match-row h3{font-size:17px;margin:0 0 3px}
    .match-row p{font-size:13px;color:var(--muted);margin:0}
    .status{font-size:12px;color:#168373;background:#e4f7f2;border-radius:5px;padding:4px 8px;text-align:center}
    .side-panel{padding:25px}
    .side-panel h3{margin-top:0;font-size:21px}
    .side-panel img{height:145px;border-radius:11px;margin-bottom:16px}
    .side-panel ul{margin:0;padding-left:20px;color:var(--muted);font-size:14px}
    .side-panel li{margin:8px 0}
    .faq-section{background:#f0f5fa}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}
    .faq-layout h2{font-size:34px;line-height:1.3;margin-top:0}
    .faq-layout>div>p{color:var(--muted)}
    .accordion{background:transparent;margin:0}
    .accordion-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
    .accordion-title{color:var(--ink);font-weight:700;font-size:16px;padding:18px 22px}
    .accordion-title:hover{background:#f5f9fe;color:var(--blue)}
    .accordion-content{border-top:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1.9;padding:17px 22px}
    .cta-section{padding:60px 0}
    .cta-box{background:var(--navy-2);border-radius:var(--radius);padding:40px 45px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-box h2{font-size:32px;margin:0 0 8px}
    .cta-box p{color:#cbd9e7;margin:0;max-width:650px}
    footer{background:var(--navy);color:#b6c8db;padding:55px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{font-size:14px;max-width:310px;color:#9eb2c7}
    footer h3{font-size:15px;color:#fff;margin:0 0 13px}
    footer a{display:block;color:#aebfd1;font-size:14px;margin:7px 0}
    footer a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8198ae}
    .form-note{font-size:12px;color:#8ea4b9;margin-top:12px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:8px 6px;font-size:13px}.metric-layout,.schedule-area{grid-template-columns:1fr}.intro-grid{gap:25px}}
    @media(max-width:768px){.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-wrap{display:none;position:absolute;left:20px;right:20px;top:68px;background:var(--navy);padding:10px;border:1px solid #25425f;border-radius:0 0 12px 12px}.nav-wrap.open{display:block}.nav-list{display:block}.nav-list li{border-bottom:1px solid rgba(255,255,255,.08)}.nav-list li:last-child{border:0}.nav-list a{display:block;padding:12px}.header-cta{margin:8px 0 0!important;text-align:center}.page-hero{padding:62px 0}.page-hero h1{letter-spacing:-1px}.intro-grid,.faq-layout{grid-template-columns:1fr}.process-line{grid-template-columns:1fr 1fr;gap:20px;border-top:0}.process-step{border:1px solid var(--line);border-radius:12px;background:#fff;padding:24px 18px}.process-step:before{display:none}.cta-box{display:block;padding:32px 26px}.cta-box .button-main{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:7px}}
    @media(max-width:520px){.container{width:min(100% - 28px,1180px)}section{padding:58px 0}.page-hero p{font-size:16px}.button-ghost{margin-left:4px}.metric-grid{grid-template-columns:1fr}.process-line{grid-template-columns:1fr}.schedule-panel{padding:20px 16px}.match-row{grid-template-columns:72px 1fr;gap:10px}.match-row .status{grid-column:2;text-align:left;width:max-content}.footer-grid{grid-template-columns:1fr}.image-frame img{height:260px}.section-head{display:block}.section-head p{margin-top:13px}}

/* roulang page: category2 */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07)
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.8}
    a{color:var(--blue);text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue-dark)}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.7);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,24,45,.98);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}
    .logo:hover{color:#fff}
    .logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}
    .logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none}
    .nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}
    .header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}
    .header-cta:hover{background:#8be7d8!important;transform:translateY(-1px)}
    .menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .page-hero{background:var(--navy);color:#fff;padding:68px 0 62px;background-image:linear-gradient(90deg,rgba(7,24,45,.97),rgba(7,24,45,.67)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .hero-inner{display:grid;grid-template-columns:1fr .8fr;gap:70px;align-items:end}
    .eyebrow,.kicker{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-2px;margin:15px 0 18px}
    .page-hero p{color:#d7e3f0;max-width:700px;font-size:18px;margin:0}
    .hero-note{border-left:3px solid var(--amber);padding:18px 0 18px 24px;color:#d7e3f0}
    .hero-note strong{display:block;color:#fff;font-size:25px;margin-bottom:5px}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .filter-bar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;display:flex;gap:8px;flex-wrap:wrap;box-shadow:var(--soft-shadow);margin-bottom:30px}
    .filter-btn{border:1px solid transparent;background:#f0f5fb;color:var(--muted);border-radius:8px;padding:9px 16px;font-weight:700;font-size:14px;transition:.2s}
    .filter-btn:hover,.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:30px;align-items:start}
    .data-list{display:grid;gap:16px}
    .data-card{display:grid;grid-template-columns:190px 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow);transition:.25s}
    .data-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a9c8ed}
    .data-card img{height:100%;min-height:195px}
    .data-body{padding:22px 24px 21px 0}
    .tag{display:inline-block;color:var(--blue);background:#eaf2ff;border-radius:4px;padding:3px 9px;font-size:12px;font-weight:700}
    .data-body h3{font-size:21px;line-height:1.4;margin:10px 0 7px}
    .data-body p{color:var(--muted);font-size:14px;margin:0 0 12px}
    .data-meta{color:#8b9bad;font-size:12px;display:flex;gap:18px}
    .read-link{display:inline-block;margin-top:10px;font-size:14px;font-weight:800}
    .side-panel{background:var(--navy-2);color:#fff;border-radius:var(--radius);padding:25px;position:sticky;top:100px}
    .side-panel h2{font-size:24px;margin:0 0 8px}
    .side-panel>p{color:#b9cbdc;font-size:14px;margin:0 0 20px}
    .side-image{border-radius:11px;height:160px;margin-bottom:19px}
    .side-links{list-style:none;margin:0;padding:0}
    .side-links li{border-top:1px solid rgba(255,255,255,.14);padding:13px 0}
    .side-links a{color:#e4eef7;font-size:14px;display:flex;justify-content:space-between;gap:10px}
    .side-links a:hover{color:var(--cyan)}
    .side-links span{color:var(--cyan)}
    .data-guide{background:#eef5fc}
    .guide-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .guide-grid img{height:350px;border-radius:var(--radius)}
    .guide-copy p{color:var(--muted)}
    .guide-points{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
    .guide-point{background:#fff;border-left:3px solid var(--cyan);padding:15px 17px;border-radius:9px;box-shadow:var(--soft-shadow)}
    .guide-point strong{display:block;margin-bottom:3px}
    .guide-point span{font-size:13px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
    .faq-wrap h2{font-size:34px;line-height:1.3;margin-top:0}
    .faq-wrap>div>p{color:var(--muted)}
    .accordion{margin:0;background:transparent}
    .accordion-item{border:1px solid var(--line)!important;border-radius:10px!important;margin-bottom:10px;overflow:hidden;background:#fff}
    .accordion-title{color:var(--ink);font-weight:700;border:0!important;padding:18px 22px}
    .accordion-title:hover{background:#f2f7fc;color:var(--blue)}
    .accordion-content{border-top:1px solid var(--line)!important;color:var(--muted);font-size:14px;padding:18px 22px;background:#fff}
    .cta-band{background:var(--navy);color:#fff;padding:45px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-inner h2{font-size:32px;line-height:1.3;margin:0 0 7px}
    .cta-inner p{color:#c2d1df;margin:0}
    .button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}
    .button-main{background:var(--cyan);color:var(--navy)}
    .button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px);box-shadow:0 8px 18px rgba(99,215,197,.25)}
    .button-light{background:var(--blue);color:#fff}
    .button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    footer{background:#061426;color:#b8c8d8;padding:48px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px}
    .footer-brand p{max-width:300px;font-size:14px;color:#8fa4b8}
    footer h3{font-size:15px;color:#fff;margin:0 0 12px}
    footer a{display:block;color:#aebfd1;font-size:14px;margin:6px 0}
    footer a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:#8095aa}
    .empty{display:none;text-align:center;color:var(--muted);padding:35px;background:#fff;border:1px solid var(--line);border-radius:14px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:8px 6px;font-size:13px}.hero-inner{gap:35px}.content-layout{grid-template-columns:minmax(0,1fr) 280px}}
    @media(max-width:768px){
      .container{width:min(100% - 30px,680px)}.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-wrap{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy);padding:12px 15px;border-bottom:2px solid var(--cyan)}.nav-wrap.open{display:block}.nav-list{display:grid;grid-template-columns:1fr 1fr}.nav-list a{display:block;padding:11px}.header-cta{margin:5px 0 0}.page-hero{padding:54px 0}.hero-inner,.content-layout,.guide-grid,.faq-wrap{grid-template-columns:1fr;gap:28px}.hero-note{max-width:500px}.side-panel{position:static}.data-card{grid-template-columns:145px 1fr}.data-card img{min-height:180px}.data-body{padding:18px 18px 18px 0}.guide-grid img{height:280px}.cta-inner{display:block}.cta-inner .button-main{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}}
    @media(max-width:520px){
      section{padding:56px 0}.section-head{display:block}.section-head p{margin-top:12px}.data-card{display:block}.data-card img{height:190px}.data-body{padding:18px}.guide-points{grid-template-columns:1fr}h1{letter-spacing:-1px}.hero-note strong{font-size:21px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category1 */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8;font-size:16px}
    a{color:var(--blue);text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue-dark)}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.65);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,24,45,.98);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}
    .logo:hover{color:#fff}
    .logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}
    .logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none}
    .nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}
    .nav-list .header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}
    .menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .page-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:76px 0 70px;background-image:linear-gradient(100deg,rgba(7,24,45,.98),rgba(7,24,45,.72)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
    .page-hero:before{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(99,215,197,.22);border-radius:50%;right:8%;top:18%;box-shadow:0 0 0 26px rgba(99,215,197,.04),0 0 0 58px rgba(99,215,197,.025)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
    .eyebrow,.kicker{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800}
    h1,h2,h3{letter-spacing:-.5px}
    .page-hero h1{font-size:clamp(38px,5vw,62px);line-height:1.2;margin:16px 0 18px}
    .page-hero p{color:#d5e1ed;max-width:650px;font-size:18px;margin-bottom:26px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}
    .button-main{background:var(--cyan);color:var(--navy)}
    .button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px);box-shadow:0 8px 18px rgba(99,215,197,.25)}
    .button-ghost{border-color:#7794af;color:#fff}
    .button-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(99,215,197,.1)}
    .button-light{background:var(--blue);color:#fff}
    .button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .hero-note{border-left:3px solid var(--amber);padding:20px 0 20px 24px;color:#d9e5f0}
    .hero-note strong{display:block;color:#fff;font-size:24px;line-height:1.4;margin-bottom:5px}
    .hero-note span{font-size:14px;color:#b9cadd}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 0}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .topic-layout{display:grid;grid-template-columns:260px 1fr;gap:54px}
    .topic-index{border-right:1px solid var(--line);padding-right:25px}
    .topic-index h3{font-size:19px;margin:0 0 18px}
    .topic-index a{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .topic-index a:hover{color:var(--blue);padding-left:6px}
    .topic-index em{font-style:normal;color:#9aabba}
    .feature-story{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--soft-shadow)}
    .feature-story img{height:300px;border-radius:12px}
    .feature-copy{padding:12px 10px}
    .tag{display:inline-block;color:var(--blue);background:#eaf2ff;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:700}
    .feature-copy h3{font-size:27px;line-height:1.4;margin:18px 0 12px}
    .feature-copy p{color:var(--muted);margin-bottom:20px}
    .story-meta{display:flex;gap:16px;color:#8292a3;font-size:13px;margin-bottom:14px}
    .deep-section{background:#fff}
    .deep-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}
    .deep-image{position:relative}
    .deep-image img{height:430px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-label{position:absolute;bottom:18px;left:18px;background:rgba(7,24,45,.88);color:#fff;border-left:3px solid var(--cyan);padding:10px 15px;font-size:13px}
    .deep-copy h2{font-size:36px;line-height:1.35;margin:8px 0 18px}
    .deep-copy p{color:var(--muted);margin:0 0 16px}
    .check-list{list-style:none;padding:0;margin:22px 0 0}
    .check-list li{position:relative;padding:10px 0 10px 28px;border-bottom:1px solid var(--line)}
    .check-list li:before{content:"";position:absolute;left:0;top:18px;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px #e6faf6}
    .selection{background:#eef4fa}
    .selection-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .story-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .story-row{display:grid;grid-template-columns:100px 1fr 90px;gap:22px;align-items:center;padding:22px 24px;border-bottom:1px solid var(--line)}
    .story-row:last-child{border-bottom:0}
    .story-row time{font-size:13px;color:var(--blue);font-weight:800}
    .story-row h3{font-size:18px;margin:0 0 5px}
    .story-row p{font-size:14px;color:var(--muted);margin:0}
    .story-row a{font-size:13px;font-weight:800;text-align:right}
    .side-panel{background:var(--navy-2);color:#fff;border-radius:var(--radius);padding:27px}
    .side-panel h3{font-size:23px;margin:0 0 18px}
    .side-panel p{color:#c5d5e4;font-size:14px}
    .side-panel ul{list-style:none;padding:0;margin:22px 0}
    .side-panel li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.16)}
    .side-panel li a{color:#dce9f3}
    .side-panel li a:hover{color:var(--cyan)}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:58px}
    .faq-wrap h2{font-size:35px;line-height:1.3;margin-top:8px}
    .faq-wrap>div>p{color:var(--muted)}
    .accordion-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;border:0;background:transparent;text-align:left;padding:19px 42px 19px 0;color:var(--ink);font-weight:700;position:relative}
    .faq-question:after{content:"+";position:absolute;right:5px;color:var(--blue);font-size:24px;top:14px}
    .faq-question[aria-expanded="true"]:after{content:"−"}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 19px 0}
    .faq-answer.open{display:block}
    .cta-section{padding:68px 0;background:var(--navy);color:#fff}
    .cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
    .cta-section h2{font-size:38px;line-height:1.35;margin:10px 0 15px}
    .cta-section p{color:#c7d6e5}
    .contact-form{background:#fff;border-radius:var(--radius);padding:28px;color:var(--ink);box-shadow:var(--shadow)}
    .contact-form label{display:block;font-weight:700;font-size:14px;margin-bottom:15px}
    .contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-top:6px;background:#fbfdff}
    .contact-form textarea{min-height:100px;resize:vertical}
    .contact-form .button-light{border:0;width:100%}
    .form-tip{font-size:12px;color:var(--muted);margin:12px 0 0}
    .form-status{font-size:13px;color:#187b66;margin-top:9px;min-height:22px}
    footer{background:#061426;color:#c8d5e5;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:36px}
    .footer-brand p{font-size:14px;color:#9db0c4;max-width:330px;margin-top:18px}
    footer h3{font-size:15px;color:#fff;margin:2px 0 13px}
    footer> .container a:not(.logo){display:block;color:#9fb3c8;font-size:13px;margin:7px 0}
    footer> .container a:not(.logo):hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8297ab;font-size:12px;flex-wrap:wrap}
    @media(max-width:1024px){
      .nav-list{gap:0}.nav-list a{padding:8px 7px;font-size:13px}
      .hero-grid,.deep-layout{gap:35px}.topic-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,600px)}
      .topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}
      .nav-wrap{display:none;position:absolute;left:0;right:0;top:68px;background:var(--navy);padding:10px 15px 17px;border-top:1px solid rgba(99,215,197,.3)}
      .nav-wrap.open{display:block}.nav-list{display:block}.nav-list li{margin:3px 0}.nav-list a{display:block;padding:10px 12px}.nav-list .header-cta{margin:8px 0 0}
      .page-hero{padding:60px 0}.hero-grid,.feature-story,.deep-layout,.selection-grid,.faq-wrap,.cta-grid{grid-template-columns:1fr}
      .hero-note{margin-top:12px}.topic-layout{grid-template-columns:1fr;gap:25px}.topic-index{border-right:0;border-bottom:1px solid var(--line);padding:0 0 14px;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
      section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .feature-story img{height:240px}.deep-image img{height:300px}.deep-copy h2{font-size:30px}
      .story-row{grid-template-columns:80px 1fr;gap:12px;padding:18px}.story-row a{grid-column:2;text-align:left}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      body{font-size:15px}.page-hero h1{font-size:38px}.page-hero p{font-size:16px}
      .hero-actions a{width:100%}.topic-index{grid-template-columns:1fr}.feature-copy h3{font-size:23px}
      .story-row{grid-template-columns:1fr}.story-row a{grid-column:1}.story-row time{margin-bottom:-8px}
      .side-panel{padding:22px}.cta-section h2{font-size:30px}.contact-form{padding:21px}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category4 */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.8}
    a{color:var(--blue);text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue-dark)}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.65);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,24,45,.97);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}
    .logo:hover{color:#fff}
    .logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}
    .logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none}
    .nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}
    .header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}
    .header-cta:hover{background:#8be7d8!important;box-shadow:0 5px 16px rgba(99,215,197,.25)!important}
    .menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .page-hero{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(7,24,45,.98),rgba(7,24,45,.68)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;padding:88px 0 78px}
    .page-hero:after{content:"";position:absolute;right:9%;top:24%;width:190px;height:190px;border:1px solid rgba(99,215,197,.4);border-radius:50%;box-shadow:0 0 0 22px rgba(99,215,197,.05),0 0 0 48px rgba(99,215,197,.03)}
    .hero-inner{position:relative;z-index:1;max-width:780px}
    .eyebrow,.kicker{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800}
    .page-hero h1{font-size:clamp(38px,5vw,66px);line-height:1.18;margin:18px 0 20px;letter-spacing:-2px}
    .page-hero p{color:#d7e3f0;font-size:18px;max-width:700px;margin-bottom:28px}
    .button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}
    .button-main{background:var(--cyan);color:var(--navy)}
    .button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px)}
    .button-ghost{border-color:#7794af;color:#fff;margin-left:10px}
    .button-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(99,215,197,.1)}
    .button-light{background:var(--blue);color:#fff}
    .button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px;align-items:start}
    .intro-copy{font-size:18px;color:#42566e}
    .intro-copy p{margin-top:0}
    .rule-list{border-top:1px solid var(--line);margin:0;list-style:none}
    .rule-list li{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
    .rule-list strong{color:var(--blue);font-size:14px}
    .rule-list span{color:var(--muted)}
    .timeline-section{background:#fff}
    .timeline{position:relative;margin-top:28px}
    .timeline:before{content:"";position:absolute;left:142px;top:0;bottom:0;width:2px;background:#c7d9ec}
    .timeline-item{display:grid;grid-template-columns:120px 45px 1fr;gap:22px;position:relative;padding:0 0 48px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-date{text-align:right;color:var(--blue);font-weight:800;font-size:14px;padding-top:8px}
    .timeline-dot{width:16px;height:16px;margin:9px auto 0;border-radius:50%;background:var(--cyan);border:4px solid #e8faf7;box-shadow:0 0 0 1px var(--cyan);position:relative;z-index:1}
    .case-panel{display:grid;grid-template-columns:1fr 1.08fr;gap:24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--soft-shadow)}
    .case-panel img{height:224px;border-radius:12px}
    .case-panel h3{font-size:24px;line-height:1.35;margin:6px 0 10px}
    .case-panel p{color:var(--muted);margin:0 0 15px;font-size:15px}
    .case-meta{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:8px}
    .tag{display:inline-block;color:var(--blue);background:#eaf2ff;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:700}
    .result-line{border-left:3px solid var(--amber);padding-left:12px;color:#40566e;font-size:14px}
    .archive-section{background:#edf4fb}
    .archive-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:start}
    .feature-case{background:var(--navy-2);color:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .feature-case img{height:285px}
    .feature-body{padding:28px}
    .feature-body h3{font-size:29px;line-height:1.35;margin:10px 0}
    .feature-body p{color:#c7d7e7}
    .feature-body .tag{background:rgba(99,215,197,.14);color:var(--cyan)}
    .side-archive{display:grid;gap:14px}
    .archive-card{background:#fff;padding:20px;border:1px solid var(--line);border-radius:14px;transition:.25s}
    .archive-card:hover{transform:translateX(5px);box-shadow:var(--soft-shadow);border-color:#a9c8ed}
    .archive-card h3{font-size:18px;margin:7px 0 5px}
    .archive-card p{color:var(--muted);font-size:14px;margin:0 0 8px}
    .archive-card time{color:var(--blue);font-size:13px;font-weight:800}
    .insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .insight-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--soft-shadow)}
    .insight-card img{height:155px;border-radius:11px;margin-bottom:17px}
    .insight-card h3{font-size:20px;margin:0 0 8px}
    .insight-card p{color:var(--muted);font-size:14px;margin:0}
    .cta{background:var(--navy);color:#fff;padding:64px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 8px}
    .cta p{color:#c5d5e4;margin:0;max-width:650px}
    footer{background:#061426;color:#b7c8d9;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{font-size:14px;max-width:300px;color:#94aabd}
    footer h3{color:#fff;font-size:15px;margin:4px 0 13px}
    footer .footer-grid a:not(.logo){display:block;color:#9eb3c7;font-size:14px;margin:6px 0}
    footer .footer-grid a:not(.logo):hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#8197aa;font-size:12px}
    @media(max-width:1024px){
      .nav-list{gap:0}.nav-list a{padding:8px 7px;font-size:13px}
      .intro-grid,.archive-layout{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}
      .nav-wrap{display:none;position:absolute;left:0;right:0;top:68px;background:var(--navy);padding:10px 16px 18px;border-bottom:2px solid var(--cyan)}
      .nav-wrap.is-open{display:block}.nav-list{display:grid;grid-template-columns:1fr 1fr}
      .nav-list a{display:block;margin:2px 0}.header-cta{margin-left:0!important}
      .page-hero{padding:64px 0}.page-hero h1{letter-spacing:-1px}
      section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}
      .intro-grid,.archive-layout{grid-template-columns:1fr}
      .timeline:before{left:9px}.timeline-item{grid-template-columns:28px 1fr;gap:16px;padding-bottom:30px}
      .timeline-date{grid-column:2;text-align:left;padding:0;grid-row:1}.timeline-dot{grid-column:1;grid-row:1 / span 2;margin:8px 0}.case-panel{grid-column:2;grid-row:2;grid-template-columns:1fr}
      .case-panel img{height:210px}
      .insight-grid{grid-template-columns:1fr 1fr}.cta-inner{display:block}.cta .button-main{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      body{font-size:15px}.page-hero h1{font-size:40px}.page-hero p{font-size:16px}
      .button-ghost{margin:10px 0 0}.insight-grid,.footer-grid{grid-template-columns:1fr}
      .case-panel h3{font-size:22px}.feature-case img{height:220px}
      .copyright{display:block}.copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category6 */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07);
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8;font-size:16px}
    body,button,input,select,textarea{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif}
    a{color:var(--blue);text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue-dark)}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.7);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(7,24,45,.98);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}
    .logo:hover{color:#fff}
    .logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}
    .logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none}
    .nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}
    .nav-list .header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}
    .menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .page-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:88px 0 76px;background-image:linear-gradient(90deg,rgba(7,24,45,.96),rgba(7,24,45,.72)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center}
    .page-hero:after{content:"";position:absolute;right:9%;top:22%;width:190px;height:190px;border:1px solid rgba(99,215,197,.42);border-radius:50%;box-shadow:0 0 0 24px rgba(99,215,197,.05),0 0 0 52px rgba(99,215,197,.03)}
    .hero-content{position:relative;z-index:1;max-width:780px}
    .eyebrow,.kicker{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800}
    .page-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.2;letter-spacing:-2px;margin:16px 0 20px}
    .page-hero p{font-size:18px;color:#d7e3f0;max-width:720px;margin:0}
    .hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .pill{display:inline-flex;padding:6px 12px;border:1px solid rgba(99,215,197,.5);border-radius:30px;color:#dffcf7;font-size:13px;background:rgba(99,215,197,.08)}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:8px 0 0;letter-spacing:-1px}
    .section-head p{max-width:550px;color:var(--muted);margin:0}
    .story-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
    .story-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:470px}
    .story-image img{height:100%;min-height:470px}
    .story-copy h2{font-size:38px;line-height:1.3;margin:10px 0 18px}
    .story-copy p{color:var(--muted);margin:0 0 18px}
    .story-copy p strong{color:var(--ink)}
    .quote{border-left:4px solid var(--amber);padding:10px 0 10px 20px;margin:26px 0;color:var(--navy-2);font-size:20px;font-weight:700}
    .button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}
    .button-main{background:var(--cyan);color:var(--navy)}
    .button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px);box-shadow:0 8px 18px rgba(99,215,197,.25)}
    .button-ghost{border-color:#7794af;color:#fff}
    .button-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(99,215,197,.1)}
    .button-light{background:var(--blue);color:#fff}
    .button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .light-section{background:#fff}
    .dynamic-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .feature-news,.mini-news{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}
    .feature-news{display:grid;grid-template-columns:.9fr 1.1fr}
    .feature-news img{height:100%;min-height:300px}
    .feature-body{padding:30px}
    .tag{display:inline-block;color:var(--blue);background:#eaf2ff;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:700}
    .feature-body h3{font-size:27px;line-height:1.4;margin:14px 0 10px}
    .feature-body p,.mini-news p{font-size:14px;color:var(--muted)}
    .mini-stack{display:grid;gap:22px}
    .mini-news{padding:22px}
    .mini-news h3{font-size:19px;line-height:1.45;margin:12px 0 4px}
    .mini-news p{margin:0}
    .mini-news time{font-size:13px;color:var(--blue);font-weight:800}
    .timeline-section{background:#edf4fb}
    .timeline-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}
    .timeline-intro h2{font-size:36px;line-height:1.3;margin:8px 0 16px}
    .timeline-intro p{color:var(--muted)}
    .timeline{border-left:2px solid #b6cee8;padding-left:28px}
    .timeline-item{position:relative;padding:0 0 32px}
    .timeline-item:before{content:"";position:absolute;left:-36px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--cyan);border:3px solid #edf4fb;box-shadow:0 0 0 2px var(--blue)}
    .timeline-item time{color:var(--blue);font-weight:800;font-size:14px}
    .timeline-item h3{font-size:21px;margin:5px 0 6px}
    .timeline-item p{color:var(--muted);margin:0}
    .principles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
    .principle{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--soft-shadow)}
    .principle b{font-size:32px;color:var(--blue);display:block;line-height:1}
    .principle h3{font-size:19px;margin:16px 0 7px}
    .principle p{color:var(--muted);font-size:14px;margin:0}
    .news-area{display:grid;grid-template-columns:1.25fr .75fr;gap:54px}
    .news-list{border-top:1px solid var(--line)}
    .news-row{display:grid;grid-template-columns:105px 1fr 82px;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .news-row time{font-size:13px;color:var(--blue);font-weight:800}
    .news-row h3{font-size:18px;margin:0 0 4px}
    .news-row p{margin:0;color:var(--muted);font-size:14px}
    .news-row a{font-size:13px;font-weight:800;text-align:right}
    .aside-card{background:var(--navy-2);color:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .aside-card img{height:180px;border-radius:11px;margin-bottom:20px}
    .aside-card h3{font-size:24px;line-height:1.4;margin:0 0 10px}
    .aside-card p{color:#c5d5e4;font-size:14px}
    .aside-card a{color:var(--cyan);font-weight:700}
    .subscribe{background:var(--blue);color:#fff}
    .subscribe-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .subscribe h2{font-size:36px;line-height:1.3;margin:8px 0 14px}
    .subscribe p{color:#dceaff;margin:0}
    .subscribe-form{background:#fff;border-radius:14px;padding:24px;box-shadow:var(--shadow)}
    label{display:block;font-weight:700;font-size:14px;color:var(--ink);margin-bottom:7px}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 13px;background:#fff;color:var(--ink);margin-bottom:15px;transition:.2s}
    input::placeholder,textarea::placeholder{color:#91a0b1}
    input:hover,select:hover,textarea:hover{border-color:#9bbce1}
    .form-note{color:var(--muted);font-size:12px;margin:0}
    .form-feedback{color:var(--blue-dark);font-size:13px;font-weight:700;margin-top:10px;min-height:20px}
    .contact{background:var(--navy);color:#fff}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .contact h2{font-size:38px;line-height:1.3;margin:8px 0 15px}
    .contact p{color:#c5d5e4}
    .contact-list{list-style:none;padding:0;margin:24px 0}
    .contact-list li{border-top:1px solid rgba(255,255,255,.16);padding:13px 0;color:#dce7f2}
    .contact-list strong{color:var(--cyan);margin-right:12px}
    .contact-form{background:#fff;border-radius:var(--radius);padding:30px;color:var(--ink);box-shadow:var(--shadow)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    footer{background:#061426;color:#c8d5e5;padding:55px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
    .footer-brand p{font-size:14px;color:#96aabd;max-width:290px;margin-top:18px}
    footer h3{font-size:15px;color:#fff;margin:3px 0 14px}
    footer .footer-grid>div:not(.footer-brand) a{display:block;color:#9eb1c5;font-size:14px;padding:3px 0}
    footer a:hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#8196ab;font-size:12px}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    @media(max-width:1024px){
      .nav-list{gap:0}.nav-list a{padding:8px 6px;font-size:13px}
      .story-layout,.news-area{gap:32px}.timeline-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}
      .nav-wrap{display:none;position:absolute;left:0;right:0;top:68px;background:var(--navy);padding:12px 16px;border-bottom:2px solid var(--cyan)}
      .nav-wrap.open{display:block}.nav-list{display:block}.nav-list li{margin:3px 0}.nav-list a{display:block;padding:11px 12px}
      .nav-list .header-cta{margin:8px 0 0}
      .page-hero{padding:66px 0 58px}.page-hero h1{letter-spacing:-1px}
      section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}
      .story-layout,.dynamic-grid,.timeline-layout,.news-area,.subscribe-grid,.contact-grid{grid-template-columns:1fr}
      .story-image{min-height:280px;max-height:390px}.story-image img{min-height:280px}
      .feature-news{grid-template-columns:1fr}.feature-news img{height:240px;min-height:0}
      .principles{grid-template-columns:1fr}.timeline{margin-top:10px}
      .news-row{grid-template-columns:88px 1fr}.news-row>a{grid-column:2;text-align:left}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .logo{font-size:21px}.page-hero h1{font-size:38px}.story-copy h2,.subscribe h2,.contact h2{font-size:30px}
      .hero-meta{gap:7px}.feature-body{padding:23px}.feature-body h3{font-size:23px}
      .form-row{grid-template-columns:1fr;gap:0}.contact-form,.subscribe-form{padding:21px}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}
    }

/* roulang page: category5 */
:root{
      --navy:#07182d;--navy-2:#0d2745;--blue:#1769d2;--blue-dark:#0d4fa8;
      --cyan:#63d7c5;--amber:#f0b45b;--ink:#17283d;--muted:#64758a;
      --paper:#f5f8fc;--white:#fff;--line:#dce6f1;--radius:18px;
      --shadow:0 14px 42px rgba(16,52,91,.10);--soft-shadow:0 8px 22px rgba(16,52,91,.07)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8;font-size:16px}
    a{color:var(--blue);text-decoration:none;transition:color .25s ease,background .25s ease,transform .25s ease,box-shadow .25s ease}
    a:hover{color:var(--blue-dark)}
    a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(99,215,197,.65);outline-offset:3px}
    img{display:block;width:100%;height:auto;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(7,24,45,.97);box-shadow:0 4px 18px rgba(2,16,32,.22);border-bottom:2px solid var(--cyan)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:26px}
    .logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:24px;letter-spacing:1px;white-space:nowrap}
    .logo:hover{color:#fff}
    .logo-mark{width:29px;height:29px;border:2px solid var(--cyan);border-radius:8px;position:relative;transform:rotate(45deg)}
    .logo-mark:after{content:"";position:absolute;width:8px;height:8px;background:var(--amber);border-radius:50%;top:8px;left:8px}
    .nav-wrap{margin-left:auto}
    .nav-list{display:flex;align-items:center;gap:4px;margin:0;list-style:none;padding:0}
    .nav-list a{color:#c8d5e5;padding:9px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
    .nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(99,215,197,.12);box-shadow:inset 0 -2px var(--cyan)}
    .header-cta{background:var(--cyan)!important;color:var(--navy)!important;font-weight:800!important;margin-left:8px}
    .header-cta:hover{background:#8be7d8!important}
    .menu-toggle{display:none;background:none;border:1px solid #55718f;color:#fff;padding:7px 11px;border-radius:8px}
    .guide-hero{position:relative;overflow:hidden;padding:82px 0 72px;color:#fff;background:linear-gradient(105deg,rgba(7,24,45,.98) 0%,rgba(7,24,45,.91) 50%,rgba(7,24,45,.52)),url('/assets/images/backpic/back-2.webp') center/cover}
    .guide-hero:before{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(99,215,197,.28);border-radius:50%;right:8%;top:-130px;box-shadow:0 0 0 24px rgba(99,215,197,.05),0 0 0 55px rgba(99,215,197,.03)}
    .guide-hero .grid-x{position:relative;z-index:1;align-items:center}
    .eyebrow{color:var(--cyan);font-size:13px;letter-spacing:2px;font-weight:800}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-2px;margin:16px 0 20px}
    .hero-copy{max-width:670px;color:#d7e3f0;font-size:18px;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .button-main,.button-ghost,.button-light{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;font-weight:700;border:1px solid transparent;transition:.25s}
    .button-main{background:var(--cyan);color:var(--navy)}
    .button-main:hover{background:#8be7d8;color:var(--navy);transform:translateY(-2px);box-shadow:0 8px 18px rgba(99,215,197,.25)}
    .button-ghost{border-color:#7794af;color:#fff}
    .button-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(99,215,197,.1)}
    .button-light{background:var(--blue);color:#fff}
    .button-light:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px)}
    .hero-note{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.17);color:#b7c8d9;font-size:13px}
    .hero-note strong{color:#fff}
    .guide-board{background:#fff;border:1px solid rgba(181,211,242,.42);border-radius:var(--radius);padding:24px;box-shadow:0 18px 44px rgba(0,0,0,.18)}
    .guide-board h2{font-size:21px;margin:0 0 15px;color:var(--ink)}
    .board-row{display:flex;gap:14px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border-bottom:0;padding-bottom:0}
    .board-icon{flex:0 0 35px;width:35px;height:35px;border-radius:10px;background:#e8f5f3;color:#087f72;text-align:center;line-height:35px;font-weight:800}
    .board-row b{display:block;font-size:14px}
    .board-row span{display:block;font-size:13px;color:var(--muted);line-height:1.55}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:32px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.28;letter-spacing:-1px;margin:7px 0 0}
    .section-head p{max-width:530px;color:var(--muted);margin:0}
    .intro-strip{background:#fff;padding:30px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
    .intro-strip p{margin:0;color:#40536a;font-size:17px}
    .topic-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;margin-top:24px}
    .entry-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--soft-shadow)}
    .entry-panel h3{font-size:27px;line-height:1.35;margin:0 0 12px}
    .entry-panel p{color:var(--muted);margin:0 0 20px}
    .entry-list{margin:0;padding:0;list-style:none}
    .entry-list li{padding:14px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}
    .entry-list li:first-child{border-top:0}
    .entry-list span{font-weight:700}
    .entry-list small{display:block;color:var(--muted);font-size:13px}
    .entry-list a{font-weight:800;font-size:14px;white-space:nowrap}
    .side-image{position:relative;min-height:390px;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow)}
    .side-image img{height:100%;min-height:390px}
    .side-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(7,24,45,.8))}
    .image-caption{position:absolute;z-index:1;bottom:23px;left:24px;right:24px;color:#fff}
    .image-caption span{color:var(--cyan);font-size:13px;font-weight:800}
    .image-caption h3{font-size:25px;margin:5px 0 0;line-height:1.35}
    .faq-section{background:#eaf2fb}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;align-items:start}
    .faq-side{position:sticky;top:105px}
    .faq-side h2{font-size:clamp(29px,3vw,40px);line-height:1.3;margin:8px 0 16px}
    .faq-side p{color:var(--muted);margin-bottom:22px}
    .mini-rule{border-left:3px solid var(--cyan);padding:4px 0 4px 15px;color:#3c5169;font-size:14px}
    .accordion{margin:0;background:transparent}
    .accordion-item{border:1px solid var(--line);border-radius:13px!important;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:0 5px 15px rgba(16,52,91,.04)}
    .accordion-title{border:0!important;color:var(--ink)!important;font-size:17px;font-weight:800;padding:20px 52px 20px 21px!important;line-height:1.5}
    .accordion-title:hover,.accordion-title:focus{background:#f5f9ff!important}
    .accordion-title:before{color:var(--blue)!important;font-size:22px!important;right:20px!important;margin-top:-16px!important}
    .accordion-content{border:0!important;padding:0 21px 21px!important;color:var(--muted);font-size:15px}
    .process-wrap{background:#fff}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--soft-shadow)}
    .process-step{padding:28px 24px;min-height:230px;border-right:1px solid var(--line);position:relative}
    .process-step:last-child{border-right:0}
    .step-no{display:inline-flex;width:35px;height:35px;align-items:center;justify-content:center;border-radius:50%;background:#eaf2ff;color:var(--blue);font-weight:800;font-size:13px}
    .process-step h3{font-size:20px;margin:18px 0 8px}
    .process-step p{margin:0;color:var(--muted);font-size:14px}
    .rule-block{margin-top:25px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .rule-card{border-radius:15px;padding:25px 27px;background:#f0f6fc;border:1px solid #dce9f5}
    .rule-card h3{font-size:19px;margin:0 0 10px}
    .rule-card ul{margin:0;padding-left:20px;color:var(--muted);font-size:14px}
    .rule-card li+li{margin-top:6px}
    .contact-section{background:var(--navy);color:#fff;position:relative;overflow:hidden}
    .contact-section:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(99,215,197,.18);border-radius:50%;right:-155px;bottom:-260px}
    .contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;position:relative;z-index:1;align-items:start}
    .contact-copy h2{font-size:clamp(30px,3.2vw,44px);line-height:1.28;margin:10px 0 16px}
    .contact-copy p{color:#c4d2e0;max-width:470px}
    .contact-points{list-style:none;margin:25px 0 0;padding:0}
    .contact-points li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);color:#d5e1ec;font-size:14px}
    .contact-points b{display:block;color:var(--cyan);font-size:13px}
    .contact-form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:30px;box-shadow:0 18px 48px rgba(0,0,0,.2)}
    .contact-form h3{margin:0 0 18px;font-size:24px}
    label{font-size:14px;font-weight:700;color:#33495f;margin-bottom:6px}
    input,select,textarea{width:100%;border:1px solid #cbd9e7;border-radius:8px;padding:11px 12px;box-shadow:none!important;background:#fbfdff;color:var(--ink);transition:border .2s,background .2s}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);background:#fff}
    textarea{resize:vertical;min-height:100px}
    .form-help{font-size:12px;line-height:1.65;color:var(--muted);margin:12px 0 0}
    .form-feedback{display:none;margin-top:14px;padding:10px 13px;border-radius:8px;background:#e8f7f3;color:#087264;font-size:14px;font-weight:700}
    footer{background:#061426;color:#c7d4e2;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{max-width:330px;font-size:14px;color:#9db0c3;margin-top:16px}
    footer .logo{font-size:23px}
    footer h3{font-size:15px;color:#fff;margin:0 0 13px}
    footer a:not(.logo){display:block;color:#9db0c3;font-size:14px;margin:7px 0}
    footer a:not(.logo):hover{color:var(--cyan)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8fa4b9;font-size:13px}
    @media(max-width:1100px){
      .nav-list a{padding:8px 7px;font-size:13px}
      .topbar{gap:14px}
      .contact-grid,.faq-layout{gap:30px}
    }
    @media(max-width:900px){
      .menu-toggle{display:block;margin-left:auto}
      .nav-wrap{display:none;position:absolute;top:76px;left:0;right:0;background:var(--navy);padding:12px 20px 18px;border-bottom:2px solid var(--cyan)}
      .nav-wrap.open{display:block}
      .nav-list{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}
      .nav-list a{display:block;padding:10px}
      .header-cta{margin-left:0}
      .guide-hero{padding:68px 0}
      .guide-board{margin-top:32px}
      .topic-grid,.faq-layout,.contact-grid{grid-template-columns:1fr}
      .faq-side{position:static}
      .process-grid{grid-template-columns:1fr 1fr}
      .process-step:nth-child(2){border-right:0}
      .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:640px){
      body{font-size:15px}
      .container{width:min(100% - 28px,1180px)}
      .topbar{min-height:68px}
      .logo{font-size:21px}
      .logo-mark{width:25px;height:25px}
      .logo-mark:after{top:6px;left:6px}
      .nav-wrap{top:68px}
      .nav-list{grid-template-columns:1fr}
      .guide-hero{padding:53px 0 52px}
      h1{font-size:39px;letter-spacing:-1px}
      .hero-copy{font-size:16px}
      .hero-actions .button-main,.hero-actions .button-ghost{width:100%}
      .hero-note{gap:10px;display:grid;grid-template-columns:1fr 1fr}
      section{padding:58px 0}
      .section-head{display:block;margin-bottom:24px}
      .section-head p{margin-top:12px}
      .entry-panel{padding:23px}
      .entry-panel h3{font-size:23px}
      .side-image,.side-image img{min-height:290px}
      .process-grid,.rule-block{grid-template-columns:1fr}
      .process-step{border-right:0;border-bottom:1px solid var(--line);min-height:auto}
      .process-step:last-child{border-bottom:0}
      .contact-form{padding:23px 19px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin:5px 0}
    }