/* roulang page: index */
:root{
            --ink:#101a31;
            --ink-soft:#182541;
            --navy:#0a1227;
            --navy-2:#111d3b;
            --cyan:#36d6c4;
            --blue:#6b9cff;
            --amber:#f3ba62;
            --paper:#f5f7fb;
            --white:#ffffff;
            --text:#17223a;
            --muted:#67728a;
            --line:#dfe5ef;
            --line-dark:rgba(255,255,255,.13);
            --radius:18px;
            --radius-sm:11px;
            --shadow:0 18px 45px rgba(20,35,72,.09);
            --shadow-dark:0 24px 70px rgba(0,0,0,.24);
            --ease:all .28s ease;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button{font:inherit}
        .container{width:min(1160px,calc(100% - 40px));margin:0 auto}
        .site-header{position:relative;z-index:20;background:rgba(10,18,39,.96);border-bottom:1px solid rgba(255,255,255,.1)}
        .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
        .brand-mark{width:34px;height:34px;border:1px solid rgba(54,214,196,.7);border-radius:10px;display:grid;place-items:center;color:var(--cyan);font-size:13px;font-weight:900;box-shadow:inset 0 0 16px rgba(54,214,196,.12)}
        .brand small{display:block;color:#9daac3;font-size:10px;letter-spacing:.14em;font-weight:500;line-height:1}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-links a{position:relative;color:#b7c1d5;padding:10px 17px;border-radius:9px;transition:var(--ease);font-size:14px}
        .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.08)}
        .nav-links a.active:after{content:"";position:absolute;bottom:2px;left:17px;right:17px;height:2px;background:var(--cyan);border-radius:2px}
        .mobile-toggle{display:none;background:none;border:1px solid var(--line-dark);color:#fff;border-radius:8px;padding:7px 10px;cursor:pointer}
        .hero{position:relative;min-height:650px;display:flex;align-items:center;overflow:hidden;background:var(--navy)}
        .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,16,37,.97) 8%,rgba(8,16,37,.8) 47%,rgba(8,16,37,.34)),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat}
        .hero:after{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-170px;border:1px solid rgba(54,214,196,.18);border-radius:50%;box-shadow:0 0 0 60px rgba(54,214,196,.025),0 0 0 120px rgba(54,214,196,.02)}
        .hero-content{position:relative;z-index:1;padding:92px 0 105px;max-width:760px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.13em}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--cyan)}
        h1,h2,h3,p{margin-top:0}
        h1{max-width:760px;margin-bottom:22px;color:#fff;font-size:clamp(38px,5.4vw,70px);line-height:1.13;letter-spacing:-.045em}
        .hero-copy{max-width:650px;color:#c0cadb;font-size:18px;line-height:1.9;margin-bottom:34px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:800;transition:var(--ease);cursor:pointer}
        .btn-primary{background:var(--cyan);color:#08182d;box-shadow:0 10px 24px rgba(54,214,196,.18)}
        .btn-primary:hover{background:#70e6d8;transform:translateY(-2px);box-shadow:0 14px 30px rgba(54,214,196,.28)}
        .btn-outline{border-color:rgba(255,255,255,.27);color:#fff;background:rgba(255,255,255,.04)}
        .btn-outline:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(54,214,196,.08)}
        .hero-note{display:flex;gap:20px;flex-wrap:wrap;margin-top:34px;color:#93a0b9;font-size:13px}
        .hero-note span{display:inline-flex;align-items:center;gap:7px}
        .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(243,186,98,.12)}
        .trust-bar{background:var(--white);border-bottom:1px solid var(--line)}
        .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
        .trust-item{padding:23px 24px;border-right:1px solid var(--line);display:flex;gap:13px;align-items:center}
        .trust-item:last-child{border-right:0}
        .trust-icon{width:38px;height:38px;border-radius:10px;background:#e9fbf8;color:#159d90;display:grid;place-items:center;font-weight:900}
        .trust-item strong{display:block;font-size:14px}.trust-item span{display:block;color:var(--muted);font-size:12px}
        .section{padding:104px 0}
        .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:42px}
        .section-kicker{color:#168f84;margin-bottom:12px}
        h2{font-size:clamp(28px,3.4vw,43px);line-height:1.25;letter-spacing:-.035em;margin-bottom:12px;color:var(--ink)}
        .section-intro{color:var(--muted);max-width:620px;margin:0}
        .text-link{color:#138f84;font-size:14px;font-weight:800;white-space:nowrap}
        .text-link:hover{color:#0c615b}
        .entry-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:25px}
        .entry-main{min-height:290px;padding:38px;border-radius:var(--radius);background:var(--ink-soft);color:#fff;position:relative;overflow:hidden}
        .entry-main:after{content:"XPJ";position:absolute;right:28px;bottom:-38px;color:rgba(255,255,255,.035);font-size:180px;font-weight:900;line-height:1}
        .entry-main h3{font-size:29px;margin:0 0 13px;position:relative;z-index:1}.entry-main p{color:#b9c4d8;max-width:460px;position:relative;z-index:1}
        .entry-list{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0}.entry-list span{padding:7px 11px;border:1px solid rgba(255,255,255,.16);border-radius:7px;color:#d8e1ee;font-size:12px}
        .quick-box{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
        .quick-box h3{font-size:22px;margin-bottom:22px}.quick-row{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}.quick-row:last-child{border:0}.quick-row span{color:var(--muted)}.status{color:#168f84!important;font-weight:800}
        .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .feature-card{padding:29px 27px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:var(--ease)}
        .feature-card:hover{transform:translateY(-5px);border-color:#a9e8e1;box-shadow:var(--shadow)}
        .feature-number{color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.14em;margin-bottom:20px}.feature-card h3{font-size:20px;margin-bottom:10px}.feature-card p{color:var(--muted);font-size:14px;margin:0}
        .visual-section{background:#e9eef6}
        .visual-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
        .visual-image{min-height:400px;border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow)}
        .visual-image img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.visual-image:after{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(13,28,59,.1),rgba(13,28,59,.65))}
        .image-label{position:absolute;z-index:1;left:25px;bottom:24px;color:#fff;border-left:3px solid var(--cyan);padding-left:14px}.image-label strong{display:block;font-size:21px}.image-label span{font-size:12px;color:#c4d1e5}
        .check-list{list-style:none;padding:0;margin:26px 0 0}.check-list li{position:relative;padding:12px 0 12px 31px;border-bottom:1px solid var(--line);color:#45516a}.check-list li:before{content:"✓";position:absolute;left:0;top:12px;width:20px;height:20px;border-radius:50%;background:#d9f7f3;color:#168f84;text-align:center;line-height:20px;font-size:12px;font-weight:900}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{padding:27px 25px;border-top:3px solid var(--cyan);background:#fff;border-radius:0 0 var(--radius-sm) var(--radius-sm);box-shadow:0 8px 24px rgba(20,35,72,.05)}.step-index{font-size:33px;color:#cbd5e5;font-weight:900;line-height:1;margin-bottom:20px}.step h3{font-size:18px;margin-bottom:8px}.step p{margin:0;color:var(--muted);font-size:14px}
        .faq-section{background:var(--white)}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 20px;background:#fff}.faq-item summary{padding:18px 24px 18px 0;cursor:pointer;list-style:none;font-weight:800;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:0;color:var(--cyan);font-size:23px;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 0 19px;color:var(--muted);font-size:14px}
        .cta{padding:75px 0;background:var(--navy-2);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{color:#fff;margin-bottom:9px}.cta p{color:#aebbd0;margin:0;max-width:610px}
        .site-footer{background:#080f22;color:#aebbd0;padding:46px 0 23px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.1)}.footer-brand{color:#fff}.footer-brand p{font-size:13px;max-width:350px;margin:16px 0 0;color:#8996ae}.footer-nav{display:flex;gap:30px;align-items:flex-start}.footer-nav a{font-size:13px;color:#b9c5d8}.footer-nav a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px;color:#748198}.footer-bottom a:hover{color:#fff}
        :focus-visible{outline:3px solid rgba(54,214,196,.65);outline-offset:3px}
        @media(max-width:900px){.hero{min-height:590px}.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.entry-panel,.visual-grid{grid-template-columns:1fr}.visual-image{min-height:330px}.feature-grid,.steps{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:680px){.container{width:min(100% - 28px,1160px)}.nav-wrap{height:68px}.mobile-toggle{display:block}.nav-links{display:none;position:absolute;left:14px;right:14px;top:68px;padding:10px;background:var(--navy-2);border:1px solid var(--line-dark);border-radius:0 0 12px 12px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero-content{padding:72px 0 85px}.hero-copy{font-size:16px}.hero-actions .btn{width:100%}.section{padding:70px 0}.section-head{display:block;margin-bottom:30px}.section-head .text-link{display:inline-block;margin-top:16px}.trust-item{padding:18px 12px;gap:9px}.trust-item strong{font-size:12px}.trust-item span{font-size:11px}.feature-grid,.steps,.faq-grid{grid-template-columns:1fr}.entry-main,.quick-box{padding:25px}.visual-grid{gap:28px}.cta-inner,.footer-top,.footer-bottom{display:block}.cta .btn{margin-top:24px;width:100%}.footer-nav{margin-top:28px;gap:20px;flex-wrap:wrap}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
 --ink:#101a31;
 --ink-soft:#182541;
 --navy:#0a1227;
 --navy-2:#111d3b;
 --cyan:#36d6c4;
 --blue:#6b9cff;
 --amber:#f3ba62;
 --paper:#f5f7fb;
 --white:#fff;
 --text:#17223a;
 --muted:#67728a;
 --line:#dfe5ef;
 --line-dark:rgba(255,255,255,.13);
 --radius:18px;
 --radius-sm:11px;
 --shadow:0 18px 45px rgba(20,35,72,.09);
 --shadow-dark:0 24px 70px rgba(0,0,0,.24);
 --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:relative;z-index:20;background:rgba(10,18,39,.97);border-bottom:1px solid rgba(255,255,255,.1)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:inline-flex;align-items:center;gap:11px;color:#fff;font-size:20px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border:1px solid rgba(54,214,196,.7);border-radius:10px;display:grid;place-items:center;color:var(--cyan);font-size:13px;font-weight:900;box-shadow:inset 0 0 16px rgba(54,214,196,.12)}
.brand small{display:block;color:#9daac3;font-size:10px;letter-spacing:.14em;font-weight:500;line-height:1}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{position:relative;color:#b7c1d5;padding:10px 17px;border-radius:9px;transition:var(--ease);font-size:14px}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active:after{content:"";position:absolute;bottom:2px;left:17px;right:17px;height:2px;background:var(--cyan);border-radius:2px}
.mobile-toggle{display:none;background:none;border:1px solid var(--line-dark);color:#fff;border-radius:8px;padding:7px 10px;cursor:pointer}
.inner-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:84px 0 82px}
.inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,16,37,.98),rgba(8,16,37,.72)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat}
.inner-hero:after{content:"";position:absolute;width:420px;height:420px;right:-150px;top:-190px;border:1px solid rgba(54,214,196,.22);border-radius:50%;box-shadow:0 0 0 65px rgba(54,214,196,.025),0 0 0 130px rgba(54,214,196,.018)}
.inner-content{position:relative;z-index:1;max-width:760px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.13em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--cyan)}
h1{font-size:clamp(36px,5vw,60px);line-height:1.18;letter-spacing:-.04em;margin:18px 0 20px;font-weight:900}
h2{font-size:clamp(27px,3vw,39px);line-height:1.3;letter-spacing:-.025em;margin:10px 0 14px}
h3{line-height:1.4}
.hero-copy{max-width:700px;color:#c0cadb;font-size:18px;line-height:1.9;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:800;transition:var(--ease);cursor:pointer}
.btn:focus,.nav-links a:focus,.faq-question:focus{outline:3px solid rgba(54,214,196,.35);outline-offset:3px}
.btn-primary{background:var(--cyan);color:#08182d;box-shadow:0 10px 24px rgba(54,214,196,.18)}
.btn-primary:hover{background:#70e6d8;transform:translateY(-2px);box-shadow:0 14px 30px rgba(54,214,196,.28)}
.btn-outline{border-color:rgba(255,255,255,.27);color:#fff;background:rgba(255,255,255,.04)}
.btn-outline:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(54,214,196,.08)}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:40px}
.section-kicker{color:#168f84;margin-bottom:10px}
.section-intro{color:var(--muted);max-width:620px;margin:0}
.guide-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:26px;align-items:stretch}
.guide-panel{background:var(--ink-soft);border-radius:var(--radius);padding:38px;color:#fff;position:relative;overflow:hidden}
.guide-panel:after{content:"XPJ";position:absolute;right:18px;bottom:-43px;color:rgba(255,255,255,.035);font-size:170px;font-weight:900;line-height:1}
.guide-panel>*{position:relative;z-index:1}
.guide-panel h2{max-width:510px}
.guide-panel p{color:#b9c4d8;max-width:520px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.tag{padding:7px 12px;border:1px solid rgba(255,255,255,.16);border-radius:7px;color:#d8e1ee;font-size:12px}
.cover-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cover-card img{height:190px;width:100%;object-fit:cover}
.cover-body{padding:25px 27px}
.cover-body h3{font-size:22px;margin:0 0 10px}
.cover-body p{color:var(--muted);font-size:14px;margin:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px;transition:var(--ease)}
.step:hover{transform:translateY(-5px);border-color:#a9e8e1;box-shadow:var(--shadow)}
.step-num{color:var(--cyan);font-size:27px;font-weight:900;line-height:1;margin-bottom:20px}
.step h3{font-size:19px;margin:0 0 9px}
.step p{color:var(--muted);font-size:14px;margin:0}
.security{background:#e9eef6}
.security-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
.security-image{height:360px;border-radius:var(--radius);overflow:hidden;position:relative}
.security-image img{width:100%;height:100%;object-fit:cover}
.security-image:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,18,39,.05),rgba(10,18,39,.5))}
.check-list{list-style:none;padding:0;margin:24px 0 0}
.check-list li{position:relative;padding:13px 0 13px 31px;border-bottom:1px solid var(--line)}
.check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:#168f84;font-weight:900}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:65px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{width:100%;padding:20px 3px;background:none;border:0;text-align:left;color:var(--text);font-weight:800;cursor:pointer;display:flex;justify-content:space-between;gap:20px}
.faq-question span{color:#168f84;font-size:22px;transition:var(--ease)}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 32px 19px 3px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta{padding:67px 0;background:var(--ink);color:#fff}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{margin:0 0 8px}
.cta p{color:#b9c4d8;margin:0;max-width:650px}
.site-footer{background:#080f22;color:#fff;padding:53px 0 20px}
.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line-dark)}
.footer-brand p{color:#9daac3;max-width:430px;font-size:13px;margin:17px 0 0}
.footer-nav{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap}
.footer-nav a{color:#b7c1d5;font-size:13px;transition:var(--ease)}
.footer-nav a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;color:#7f8ba5;font-size:12px;padding-top:19px}
@media(max-width:1024px){
 .guide-layout,.security-grid,.faq-grid{grid-template-columns:1fr}
 .steps{grid-template-columns:repeat(2,1fr)}
 .security-image{height:300px}
}
@media(max-width:768px){
 .container{width:min(100% - 30px,620px)}
 .nav-wrap{height:68px}
 .mobile-toggle{display:block}
 .nav-links{display:none;position:absolute;left:15px;right:15px;top:68px;padding:10px;background:var(--navy-2);border:1px solid var(--line-dark);border-radius:10px;flex-direction:column;align-items:stretch}
 .nav-links.show{display:flex}
 .nav-links a{padding:12px 14px}
 .inner-hero{padding:65px 0}
 .section{padding:70px 0}
 .section-head{display:block;margin-bottom:28px}
 .section-intro{margin-top:10px}
 .guide-panel,.cover-body{padding:27px}
 .steps{grid-template-columns:1fr}
 .cta-box{display:block}
 .cta .btn{margin-top:25px}
 .footer-top,.footer-bottom{display:block}
 .footer-nav{margin-top:27px}
 .footer-bottom span{display:block;margin-top:8px}
}
@media(max-width:520px){
 body{font-size:15px}
 h1{font-size:36px}
 .hero-copy{font-size:16px}
 .hero-actions .btn{width:100%}
 .guide-panel h2{font-size:28px}
 .security-image{height:235px}
}