/* roulang page: index */
:root{--ink:#173b35;--ink2:#102722;--moss:#789778;--sand:#e9e1d2;--paper:#f7f5f0;--white:#fff;--text:#26312e;--muted:#6c7771;--line:#dde1d9;--orange:#c97857;--danger:#a85a50;--radius:17px;--shadow:0 12px 30px rgba(23,59,53,.08);--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.section{padding:84px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.3vw,54px);line-height:1.2;letter-spacing:-.045em}h2{font-size:clamp(27px,3vw,38px);line-height:1.3;letter-spacing:-.035em}h3{font-size:19px;line-height:1.45}.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:32px}.section-head p{max-width:540px;margin:0;color:var(--muted)}.text-link{color:var(--ink);font-weight:700;border-bottom:1px solid var(--moss);padding-bottom:3px;white-space:nowrap}.text-link:hover{color:var(--orange)}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.22s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,59,53,.16)}.btn:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(120,151,120,.34);outline-offset:3px}.btn-primary{background:var(--ink);color:#fff}.btn-warm{background:var(--orange);color:#fff}.btn-plain{background:#fff;border-color:var(--line);color:var(--ink)}.tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:#edf1eb;color:var(--ink);font-size:12px;font-weight:700}.site-header{height:76px;display:flex;align-items:center;background:rgba(247,245,240,.94);border-bottom:1px solid transparent;position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}.site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(23,59,53,.05)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;width:min(var(--max),calc(100% - 48px));margin:auto}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;line-height:1.3}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--sand);font-size:11px;letter-spacing:-.04em}.nav{display:flex;gap:22px;align-items:center}.nav a{font-size:14px;font-weight:700;color:#4a5651;padding:25px 0;position:relative}.nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--moss);transition:.2s}.nav a:hover,.nav a.active{color:var(--ink)}.nav a.active:after,.nav a:hover:after{width:100%}.nav-actions{display:flex;align-items:center;gap:12px}.menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
.hero{padding:64px 0 38px;overflow:hidden}.hero-shell{min-height:530px;position:relative;padding:64px;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;background:var(--sand);border-radius:28px;overflow:hidden}.hero-shell:before{content:"";position:absolute;inset:auto -80px -130px auto;width:430px;height:430px;border:1px solid rgba(23,59,53,.18);border-radius:50%}.hero-copy{position:relative;z-index:1}.hero-copy p{max-width:590px;font-size:17px;color:#44524d}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}.version-line{display:flex;gap:17px;flex-wrap:wrap;color:#59655f;font-size:13px}.version-line span{display:flex;align-items:center;gap:6px}.version-line b{color:var(--ink)}.device-stage{min-height:385px;position:relative}.device{position:absolute;width:207px;height:410px;border:9px solid var(--ink2);border-radius:30px;background:#f9faf7;box-shadow:18px 20px 0 rgba(23,59,53,.12),0 20px 28px rgba(23,59,53,.18);overflow:hidden}.device:before{content:"";position:absolute;z-index:2;top:8px;left:50%;transform:translateX(-50%);width:75px;height:17px;border-radius:999px;background:var(--ink2)}.device.one{right:74px;top:0;transform:rotate(4deg)}.device.two{left:12px;bottom:-25px;transform:rotate(-8deg);opacity:.93}.screen{padding:42px 14px 15px}.screen-title{font-weight:800;font-size:14px}.mini-banner{margin:14px 0;padding:14px;border-radius:11px;background:var(--ink);color:#fff;font-size:12px}.mini-row{display:flex;align-items:center;gap:9px;padding:10px 0;border-bottom:1px solid var(--line);font-size:11px}.mini-dot{width:28px;height:28px;border-radius:9px;background:var(--sand)}.mini-dot.green{background:var(--moss)}.mini-dot.orange{background:var(--orange)}.quickbar{padding:19px 0 0}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.quick-item{padding:21px 24px;border-right:1px solid var(--line)}.quick-item:last-child{border:0}.quick-item b{display:block;color:var(--ink);font-size:14px}.quick-item span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.download-zone{background:var(--sand)}.download-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px;align-items:center}.download-art{min-height:370px;background:var(--ink);border-radius:22px;position:relative;padding:32px;overflow:hidden;color:#fff}.download-art:after{content:"NG28";position:absolute;right:-20px;bottom:-54px;font-size:150px;font-weight:800;color:rgba(233,225,210,.13)}.download-art .device{left:50%;transform:translateX(-50%) rotate(0);bottom:-78px;width:205px}.download-card{background:#fff;border-radius:20px;padding:34px;box-shadow:var(--shadow)}.app-name{display:flex;gap:14px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:20px}.app-icon{width:54px;height:54px;border-radius:16px;background:var(--ink);display:grid;place-items:center;color:var(--sand);font-weight:800}.app-name b{display:block;font-size:18px}.app-name small{color:var(--muted)}.download-info{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:20px 0}.download-info div{padding:12px 15px;border-bottom:1px solid var(--line)}.download-info div:nth-last-child(-n+2){border-bottom:0}.download-info span{display:block;font-size:12px;color:var(--muted)}.download-info b{font-size:14px}.download-actions{display:flex;gap:16px;align-items:center}.qr{width:86px;height:86px;padding:8px;border:1px solid var(--line);background:repeating-conic-gradient(var(--ink) 0 25%,#fff 0 50%) 50%/15px 15px}.notice{font-size:12px;color:var(--muted);margin:17px 0 0}
.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.news-feature,.news-mini{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}.news-feature:hover,.news-mini:hover{border-color:var(--moss);transform:translateY(-3px);box-shadow:var(--shadow)}.cover{height:180px;background:linear-gradient(135deg,#d8e0d4,#f0ebe1);position:relative;overflow:hidden}.cover:after{content:"";position:absolute;width:180px;height:180px;border:25px solid rgba(23,59,53,.12);border-radius:50%;right:-45px;top:-55px}.cover i{position:absolute;bottom:18px;left:22px;font-size:37px;color:var(--ink);font-style:normal;font-weight:800}.news-body{padding:22px}.news-body h3{margin:9px 0}.news-body p{color:var(--muted);font-size:14px;margin-bottom:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}.news-side{display:grid;gap:12px}.news-mini{display:grid;grid-template-columns:90px 1fr}.mini-cover{background:var(--sand);min-height:100%;display:grid;place-items:center;color:var(--ink);font-size:22px;font-weight:800}.news-mini .news-body{padding:15px}.news-mini h3{font-size:15px;margin:5px 0}.news-mini p{display:none}
.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.channel{border-top:2px solid var(--ink);padding:24px;background:#fff;border-radius:0 0 var(--radius) var(--radius);display:grid;grid-template-columns:56px 1fr auto;gap:15px;align-items:center;transition:.22s}.channel:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.channel-no{font-size:13px;color:var(--orange);font-weight:800}.channel h3{margin:0;font-size:18px}.channel p{margin:2px 0 0;color:var(--muted);font-size:13px}.arrow{font-size:22px;color:var(--moss)}
.guide{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.guide-copy p{color:var(--muted);font-size:16px}.step-list{position:relative}.step-list:before{content:"";position:absolute;left:22px;top:28px;bottom:28px;border-left:1px solid var(--line)}.step-card{position:relative;display:grid;grid-template-columns:46px 1fr auto;gap:16px;align-items:center;padding:18px 0}.step-no{z-index:1;width:45px;height:45px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink);font-weight:800}.step-card h3{margin:0;font-size:17px}.step-card p{margin:2px 0 0;color:var(--muted);font-size:13px}
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 30px}.timeline{display:grid;grid-template-columns:repeat(4,1fr)}.time-item{padding:25px 20px;position:relative;border-right:1px solid var(--line)}.time-item:last-child{border:0}.time-item:before{content:"";position:absolute;top:20px;left:20px;width:8px;height:8px;border-radius:50%;background:var(--orange)}.time-item time{display:block;padding-top:16px;color:var(--muted);font-size:12px}.time-item h3{font-size:16px;margin:5px 0}.time-item p{font-size:13px;color:var(--muted);margin:0}
.ui-showcase{background:#eef1ec}.ui-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.ui-card{background:#fff;border-radius:17px;border:1px solid var(--line);padding:15px}.ui-phone{height:210px;border:6px solid var(--ink2);border-radius:21px;background:#fafbf8;padding:23px 10px 10px;margin-bottom:15px;overflow:hidden}.ui-phone b{font-size:12px}.ui-block{height:34px;margin-top:10px;border-radius:7px;background:var(--sand)}.ui-block.dark{background:var(--ink)}.ui-card h3{font-size:16px;margin:0 0 3px}.ui-card p{font-size:13px;color:var(--muted);margin:0}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.process{padding:18px 28px 18px 0;position:relative}.process:not(:last-child):after{content:"";position:absolute;right:10px;top:38px;width:calc(100% - 70px);border-top:1px solid var(--moss)}.process b{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff;position:relative;z-index:1}.process h3{margin:14px 0 4px}.process p{color:var(--muted);font-size:13px;margin:0}
.scenes{background:var(--ink);color:#fff}.scene-grid{display:grid;grid-template-columns:repeat(4,1fr)}.scene{padding:5px 28px 5px 0;margin-right:25px;border-right:1px solid rgba(233,225,210,.22)}.scene:last-child{border:0}.scene span{color:#b8cbb8;font-size:12px}.scene h3{margin:6px 0;font-size:18px}.scene p{color:#d4ddd5;font-size:13px;margin:0}
.security{padding:70px 0;background:var(--ink2);color:var(--sand)}.security-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.security p{color:#c6d2ca}.secure-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.secure-item{border:1px solid rgba(233,225,210,.22);padding:19px;border-radius:13px}.secure-item b{display:block;font-size:16px}.secure-item span{display:block;color:#bdc9c1;font-size:13px;margin-top:4px}
.faq-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:40px}.faq-list{border-top:1px solid var(--line)}.faq{border-bottom:1px solid var(--line)}.faq button{width:100%;padding:18px 2px;display:flex;align-items:center;gap:13px;text-align:left;border:0;background:none;color:var(--ink);font-weight:700}.faq button:after{content:"+";margin-left:auto;font-size:23px;font-weight:400}.faq.open button:after{content:"−"}.faq-num{color:var(--orange);font-size:12px}.faq-answer{display:none;padding:0 25px 18px 30px;color:var(--muted);font-size:14px}.faq.open .faq-answer{display:block}.help-card{background:var(--sand);border-radius:20px;padding:32px;position:relative;overflow:hidden}.help-card:after{content:"?";position:absolute;right:18px;bottom:-42px;font-size:190px;color:rgba(23,59,53,.09);font-weight:800}.help-card p{color:#536059}.contact{background:#fff}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.contact-info{padding:22px 0}.contact-info p{color:var(--muted)}.support-detail{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.support-detail div{margin:14px 0}.support-detail span{display:block;color:var(--muted);font-size:12px}.form-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);transition:.2s}.field textarea{min-height:105px;resize:vertical}.form-note{font-size:12px;color:var(--muted);margin:12px 0}.form-success{display:none;margin-top:13px;color:var(--ink);font-size:13px;font-weight:700}
.subscribe{padding:55px 0}.subscribe-box{background:#dce6d8;border-radius:20px;padding:35px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px}.subscribe-box h2{font-size:28px;margin:0}.subscribe-box p{margin:5px 0 0;color:#536059}.subscribe-form{display:flex;gap:10px}.subscribe-form input{width:260px;border:1px solid #c1d0bb;border-radius:10px;padding:13px;background:#fff}
.footer{background:var(--ink2);color:#d6ddd6;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:45px}.footer .brand{color:var(--sand);margin-bottom:14px}.footer p{color:#aebdb3;font-size:13px;max-width:380px}.footer h3{font-size:14px;color:var(--sand);margin:0 0 12px}.footer-links{display:grid;gap:7px}.footer-links a{font-size:13px;color:#b7c4ba}.footer-links a:hover{color:var(--sand)}.footer-bottom{margin-top:38px;padding-top:18px;border-top:1px solid rgba(233,225,210,.16);display:flex;justify-content:space-between;gap:20px;color:#93a59a;font-size:12px}
@media(max-width:1024px){.nav{gap:14px}.hero-shell{padding:46px}.news-grid,.guide,.download-layout,.security-grid,.contact-grid,.faq-layout{gap:30px}.ui-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container,.nav-wrap{width:min(100% - 32px,var(--max))}.site-header{height:64px}.nav{display:none;position:absolute;top:64px;left:0;right:0;padding:15px 20px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:9px 0}.nav a:after{bottom:3px}.nav-actions .btn{display:none}.menu-toggle{display:block}.hero{padding-top:30px}.hero-shell{min-height:0;padding:34px 25px;grid-template-columns:1fr}.device-stage{min-height:280px}.device{transform:scale(.73)!important;transform-origin:bottom}.device.one{right:15px}.device.two{left:-8px}.quick-grid,.timeline,.scene-grid{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.download-layout,.guide,.security-grid,.faq-layout,.contact-grid{grid-template-columns:1fr}.download-art{min-height:285px}.news-grid{grid-template-columns:1fr}.channel-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,1fr);gap:20px}.process:not(:last-child):after{display:none}.secure-list{grid-template-columns:1fr}.subscribe-box{display:block;padding:30px}.subscribe-form{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.section{padding:62px 0}}
@media(max-width:520px){h1{font-size:32px}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:12px}.hero-actions,.download-actions,.subscribe-form{flex-direction:column;align-items:stretch}.btn{width:100%}.version-line{display:grid;gap:5px}.quick-grid,.timeline,.scene-grid,.ui-grid,.process-grid,.footer-grid{grid-template-columns:1fr}.quick-item,.quick-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.quick-item:last-child{border-bottom:0}.time-item{border-right:0;border-bottom:1px solid var(--line)}.time-item:last-child{border-bottom:0}.channel{grid-template-columns:42px 1fr auto;padding:18px}.download-card{padding:23px}.download-info{grid-template-columns:1fr}.download-info div:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.download-info div:last-child{border:0}.form-grid{grid-template-columns:1fr}.scene{border-right:0;border-bottom:1px solid rgba(233,225,210,.22);padding:16px 0;margin:0}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:5px 0}.subscribe-form input{width:100%}}

/* roulang page: article */
:root{--ink:#173b35;--ink2:#102722;--moss:#789778;--sand:#e9e1d2;--paper:#f7f5f0;--white:#fff;--text:#26312e;--muted:#6c7771;--line:#dde1d9;--orange:#c97857;--danger:#a85a50;--radius:17px;--shadow:0 12px 30px rgba(23,59,53,.08);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--orange)}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{height:76px;display:flex;align-items:center;background:rgba(247,245,240,.96);border-bottom:1px solid transparent;position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(23,59,53,.06)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;width:min(var(--max),calc(100% - 48px));margin:auto}
    .brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;line-height:1.3}
    .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--sand);font-size:11px;letter-spacing:-.04em;flex:0 0 auto}
    .nav{display:flex;gap:22px;align-items:center}
    .nav a{font-size:14px;font-weight:700;color:#4a5651;padding:25px 0;position:relative}
    .nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--moss);transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after,.nav a:hover:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.22s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,59,53,.16)}
    .btn-primary{background:var(--ink);color:#fff}
    .btn-warm{background:var(--orange);color:#fff}
    .btn-plain{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(120,151,120,.34);outline-offset:3px}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
    .article-hero{padding:58px 0 48px;background:var(--sand);position:relative;overflow:hidden}
    .article-hero:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(23,59,53,.16);border-radius:50%;right:-100px;top:-180px}
    .crumbs{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:28px}
    .crumbs a{color:var(--ink);font-weight:700}
    .crumbs span{color:#9a9e96}
    .article-heading{max-width:900px;position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3{color:var(--ink);line-height:1.3;font-weight:700}
    h1{font-size:clamp(30px,4vw,46px);margin:15px 0 18px;letter-spacing:-.025em}
    h2{font-size:30px;margin:0 0 18px}
    h3{font-size:19px}
    .article-lead{max-width:820px;color:#53605a;font-size:17px;margin:0}
    .meta{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;color:var(--muted);font-size:13px;margin-top:24px}
    .tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:#edf1eb;color:var(--ink);font-size:12px;font-weight:700}
    .article-layout{display:grid;grid-template-columns:minmax(0,790px) 290px;gap:58px;align-items:start;padding:70px 0 86px}
    .article-content{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:42px 48px;box-shadow:var(--shadow);min-width:0}
    .article-content h2{margin-top:36px;padding-top:10px;border-top:1px solid var(--line)}
    .article-content h3{margin-top:28px}
    .article-content p{margin:0 0 20px;line-height:1.95}
    .article-content ul,.article-content ol{padding-left:24px;margin:10px 0 24px}
    .article-content li{margin:8px 0}
    .article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--orange);background:#fbf7ef;color:#56615b;border-radius:0 12px 12px 0}
    .article-content img{border-radius:12px;margin:26px auto}
    .article-content table{width:100%;border-collapse:collapse;margin:24px 0;display:block;overflow-x:auto}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
    .article-content th{background:#edf1eb;color:var(--ink)}
    .not-found{padding:58px 10px;text-align:center}
    .not-found h2{font-size:28px}
    .not-found p{color:var(--muted)}
    .side-stack{display:grid;gap:16px;position:sticky;top:105px}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px;box-shadow:0 8px 22px rgba(23,59,53,.05)}
    .side-card h3{font-size:17px;margin:0 0 12px}
    .side-card p{font-size:13px;color:var(--muted);margin:0 0 15px}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-top:1px solid var(--line);padding:11px 0;font-size:14px}
    .side-list li:first-child{border-top:0}
    .support-band{background:var(--ink2);color:#edf1eb;padding:48px 0}
    .support-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .support-band h2{color:#fff;margin:0 0 8px;font-size:26px}
    .support-band p{color:#b9c8bf;margin:0}
    .related{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:28px}
    .section-head p{max-width:520px;margin:0;color:var(--muted)}
    .text-link{color:var(--ink);font-weight:700;border-bottom:1px solid var(--moss);padding-bottom:3px;white-space:nowrap}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;transition:.25s}
    .related-card:hover{border-color:var(--moss);transform:translateY(-3px);box-shadow:var(--shadow)}
    .related-card h3{font-size:18px;margin:13px 0 8px}
    .related-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .footer{background:var(--ink2);color:#e9e1d2;padding:54px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr;gap:55px}
    .footer .brand{color:#fff;margin-bottom:18px}
    .footer p{color:#b9c8bf;max-width:390px;font-size:13px}
    .footer h3{color:#fff;font-size:15px;margin:3px 0 17px}
    .footer-links{display:grid;gap:9px;color:#bdc9c1;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(233,225,210,.16);margin-top:38px;padding-top:18px;color:#91a69b;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:13px}.nav a{font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:28px}
      .article-content{padding:34px}
    }
    @media(max-width:768px){
      .site-header{height:64px}.nav-wrap{width:min(var(--max),calc(100% - 32px))}
      .nav-actions .btn{display:none}.menu-toggle{display:block}
      .nav{display:none;position:absolute;top:63px;left:16px;right:16px;background:var(--paper);padding:10px 20px 18px;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}.nav a{padding:12px 0;border-bottom:1px solid var(--line)}.nav a:after{bottom:0}
      .article-hero{padding:42px 0 38px}.container{width:calc(100% - 32px)}
      .article-layout{display:block;padding:42px 0 56px}.article-content{padding:26px 20px;border-radius:15px}
      .side-stack{position:static;margin-top:22px;grid-template-columns:repeat(2,1fr)}
      .related{padding:52px 0}.related-grid{grid-template-columns:1fr}
      .support-inner{display:block}.support-inner .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    }
    @media(max-width:520px){
      h1{font-size:30px}.article-lead{font-size:15px}.side-stack{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid;gap:8px}
      .support-band h2{font-size:23px}
    }

/* roulang page: category1 */
:root{--ink:#173b35;--ink2:#102722;--moss:#789778;--sand:#e9e1d2;--paper:#f7f5f0;--white:#fff;--text:#26312e;--muted:#6c7771;--line:#dde1d9;--orange:#c97857;--danger:#a85a50;--radius:17px;--shadow:0 12px 30px rgba(23,59,53,.08);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
    a{color:inherit;text-decoration:none}
    a:focus,button:focus{outline:3px solid rgba(120,151,120,.35);outline-offset:3px}
    button,input,select,textarea{font:inherit}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .site-header{height:76px;display:flex;align-items:center;background:rgba(247,245,240,.96);border-bottom:1px solid transparent;position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(23,59,53,.06)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;width:min(var(--max),calc(100% - 48px));margin:auto}
    .brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;line-height:1.3}
    .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--sand);font-size:11px;letter-spacing:-.04em;flex:none}
    .nav{display:flex;gap:22px;align-items:center}
    .nav a{font-size:14px;font-weight:700;color:#4a5651;padding:25px 0;position:relative}
    .nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--moss);transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after,.nav a:hover:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 21px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.22s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,59,53,.16)}
    .btn-primary{background:var(--ink);color:#fff}
    .btn-warm{background:var(--orange);color:#fff}
    .btn-plain{background:#fff;border-color:var(--line);color:var(--ink)}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
    .page-head{padding:72px 0 48px;background:var(--sand);border-bottom:1px solid var(--line)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3{color:var(--ink);line-height:1.28;font-weight:700}
    h1{font-size:clamp(34px,5vw,52px);margin:16px 0 14px;letter-spacing:-.04em}
    h2{font-size:clamp(26px,3vw,34px);margin:0 0 12px}
    h3{font-size:19px;margin:0 0 8px}
    .page-head p{max-width:720px;color:#4c5b54;font-size:17px;margin:0 0 22px}
    .head-meta{display:flex;flex-wrap:wrap;gap:10px}
    .tag{display:inline-flex;padding:4px 11px;border-radius:999px;background:#edf1eb;color:var(--ink);font-size:12px;font-weight:700}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:30px}
    .section-head p{max-width:560px;margin:0;color:var(--muted)}
    .text-link{color:var(--ink);font-weight:700;border-bottom:1px solid var(--moss);padding-bottom:3px;white-space:nowrap}
    .text-link:hover{color:var(--orange)}
    .feature{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .feature-content{padding:42px}
    .feature-content p{color:var(--muted);font-size:16px;max-width:610px}
    .feature-art{min-height:300px;background:var(--ink);position:relative;overflow:hidden;padding:30px;color:var(--sand)}
    .feature-art:before,.feature-art:after{content:"";position:absolute;border:1px solid rgba(233,225,210,.3);border-radius:50%}
    .feature-art:before{width:330px;height:330px;right:-80px;top:-75px}
    .feature-art:after{width:210px;height:210px;left:-80px;bottom:-100px}
    .art-card{position:absolute;right:48px;bottom:42px;width:210px;padding:20px;border:1px solid rgba(233,225,210,.35);border-radius:14px;background:rgba(16,39,34,.78)}
    .art-card strong{display:block;font-size:34px;color:#fff}
    .meta{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px}
    .news-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .news-item{display:flex;gap:20px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.22s}
    .news-item:hover{border-color:var(--moss);transform:translateY(-3px);box-shadow:var(--shadow)}
    .news-date{width:68px;flex:none;color:var(--orange);font-weight:800;font-size:13px;border-right:1px solid var(--line)}
    .news-item p{color:var(--muted);font-size:14px;margin:7px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff;border-radius:var(--radius);overflow:hidden}
    .timeline-item{padding:30px 26px;border-right:1px solid var(--line);position:relative}
    .timeline-item:last-child{border:0}
    .timeline-item:before{content:"";display:block;width:10px;height:10px;border-radius:50%;background:var(--orange);margin-bottom:18px}
    .timeline-item time{font-size:12px;color:var(--muted)}
    .timeline-item p{color:var(--muted);font-size:14px;margin:7px 0 0}
    .info-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:center}
    .info-copy{padding-right:20px}
    .info-copy p{color:var(--muted);font-size:16px}
    .info-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .info-row{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}
    .info-row:last-child{border:0;padding-bottom:0}
    .info-row span{color:var(--muted)}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .guide-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:26px}
    .guide-number{font-size:13px;color:var(--orange);font-weight:800;letter-spacing:.12em}
    .guide-card p{color:var(--muted);font-size:14px;margin:5px 0 0}
    .faq-list{max-width:850px;border-top:1px solid var(--line)}
    .faq{border-bottom:1px solid var(--line)}
    .faq button{width:100%;border:0;background:none;padding:20px 4px;display:flex;justify-content:space-between;text-align:left;color:var(--ink);font-weight:700}
    .faq button span:last-child{font-size:22px;color:var(--moss);transition:.2s}
    .faq.open button span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;color:var(--muted);padding:0 42px 20px 4px}
    .faq.open .faq-answer{display:block}
    .cta{padding:42px;background:var(--ink);border-radius:var(--radius);color:#e9e1d2;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{color:#fff;margin-bottom:5px}
    .cta p{margin:0;color:#bdc9c1}
    .footer{padding:58px 0 22px;background:var(--ink2);color:#bdc9c1}
    .footer .brand{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr;gap:50px;padding-bottom:38px;border-bottom:1px solid rgba(233,225,210,.16)}
    .footer p{max-width:390px;font-size:13px;margin-top:18px}
    .footer h3{color:#fff;font-size:15px;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px;font-size:13px}
    .footer-links a:hover{color:var(--sand)}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#91a39a}
    @media(max-width:1024px){.nav{gap:13px}.nav a{font-size:13px}.feature{grid-template-columns:1fr  .8fr}.section{padding:65px 0}.info-panel{gap:30px}}
    @media(max-width:767px){.container,.nav-wrap{width:min(100% - 32px,600px)}.site-header{height:64px}.nav{display:none;position:absolute;top:64px;left:16px;right:16px;padding:18px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a{padding:12px 8px}.nav a:after{bottom:5px}.nav-actions .btn{display:none}.menu-toggle{display:block}.page-head{padding:50px 0 35px}h1{font-size:35px}.section{padding:55px 0}.section-head{display:block}.section-head .text-link{display:inline-block;margin-top:15px}.feature,.info-panel{grid-template-columns:1fr}.feature-content{padding:28px}.feature-art{min-height:220px}.news-list,.guide-grid,.timeline{grid-template-columns:1fr}.timeline-item{border-right:0;border-bottom:1px solid var(--line)}.timeline-item:last-child{border-bottom:0}.info-copy{padding:0}.cta{display:block;padding:30px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr;gap:28px}}
    @media(max-width:480px){.news-item{display:block}.news-date{width:auto;border:0;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:14px}.feature-art{min-height:190px}.art-card{right:25px;bottom:25px}.btn{width:100%}}

/* roulang page: category3 */
:root{
      --ink:#173b35;--ink2:#102722;--moss:#789778;--sand:#e9e1d2;
      --paper:#f7f5f0;--white:#fff;--text:#26312e;--muted:#6c7771;
      --line:#dde1d9;--orange:#c97857;--danger:#a85a50;--radius:17px;
      --shadow:0 12px 30px rgba(23,59,53,.08);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--orange)}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--ink);line-height:1.3}
    h1{font-size:clamp(32px,4vw,48px);letter-spacing:-.04em;margin:18px 0 16px}
    h2{font-size:clamp(26px,3vw,34px);letter-spacing:-.025em;margin-bottom:12px}
    h3{font-size:19px;margin-bottom:8px}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:84px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:32px}
    .section-head p{max-width:560px;margin:0;color:var(--muted)}
    .text-link{color:var(--ink);font-weight:700;border-bottom:1px solid var(--moss);padding-bottom:3px;white-space:nowrap}
    .text-link:hover{color:var(--orange)}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.22s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,59,53,.16)}
    .btn-primary{background:var(--ink);color:#fff}
    .btn-warm{background:var(--orange);color:#fff}
    .btn-plain{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(120,151,120,.34);outline-offset:3px}
    .tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:#edf1eb;color:var(--ink);font-size:12px;font-weight:700}
    .site-header{height:76px;display:flex;align-items:center;background:rgba(247,245,240,.96);border-bottom:1px solid transparent;position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(23,59,53,.05)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;width:min(var(--max),calc(100% - 48px));margin:auto}
    .brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;line-height:1.3}
    .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--sand);font-size:11px;letter-spacing:-.04em}
    .nav{display:flex;gap:22px;align-items:center}
    .nav a{font-size:14px;font-weight:700;color:#4a5651;padding:25px 0;position:relative}
    .nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--moss);transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after,.nav a:hover:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
    .page-heading{padding:58px 0 50px;background:var(--sand);border-bottom:1px solid var(--line)}
    .heading-inner{display:flex;justify-content:space-between;align-items:end;gap:40px}
    .heading-copy{max-width:720px}
    .heading-copy p{font-size:17px;color:#4a5a53;margin:0}
    .heading-meta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px;max-width:310px}
    .path{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:18px}
    .path-item{position:relative;padding:26px 28px 24px 0;border-top:2px solid var(--line)}
    .path-item:not(:last-child):after{content:"→";position:absolute;right:20px;top:21px;color:var(--moss);font-size:22px}
    .path-num{color:var(--orange);font:700 13px/1 Arial;letter-spacing:.08em}
    .path-item h3{margin:12px 0 5px;font-size:18px}
    .path-item p{font-size:14px;color:var(--muted);margin:0;padding-right:18px}
    .guide-list{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .guide-main,.guide-side{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .guide-main{padding:28px}
    .guide-side{padding:26px;background:#f0eee7}
    .guide-row{display:grid;grid-template-columns:108px 1fr auto;gap:20px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}
    .guide-row:first-child{padding-top:0}
    .guide-row:last-child{border-bottom:0;padding-bottom:0}
    .guide-row time{font-size:13px;color:var(--muted)}
    .guide-row h3{font-size:19px;margin:0 0 6px}
    .guide-row p{font-size:14px;color:var(--muted);margin:0}
    .read-time{font-size:12px;color:var(--moss);white-space:nowrap}
    .guide-more{margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}
    .quick-cards{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    .quick-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:150px;transition:.24s}
    .quick-card:nth-child(2){transform:translateY(18px);background:var(--sand)}
    .quick-card:nth-child(3){background:var(--ink);color:#dce7df}
    .quick-card:nth-child(3) h3,.quick-card:nth-child(4) h3{color:#fff}
    .quick-card:nth-child(4){transform:translateY(18px);background:#edf1eb}
    .quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--moss)}
    .quick-card:nth-child(2):hover,.quick-card:nth-child(4):hover{transform:translateY(14px)}
    .quick-card .small-label{font-size:12px;font-weight:700;color:var(--orange);letter-spacing:.08em}
    .quick-card p{color:var(--muted);font-size:14px;margin:0}
    .quick-card:nth-child(3) p{color:#bdc9c1}
    .operation{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
    .operation-visual{min-height:330px;border-radius:24px;background:var(--ink);position:relative;overflow:hidden;padding:30px}
    .operation-visual:before,.operation-visual:after{content:"";position:absolute;border:1px solid rgba(233,225,210,.22);border-radius:50%}
    .operation-visual:before{width:290px;height:290px;right:-90px;bottom:-100px}
    .operation-visual:after{width:180px;height:180px;left:-70px;top:-70px}
    .guide-screen{position:relative;z-index:1;width:210px;margin:20px auto 0;background:#f7f5f0;border-radius:18px;padding:16px;box-shadow:0 15px 30px rgba(0,0,0,.18)}
    .screen-bar{height:7px;width:66px;background:var(--moss);border-radius:5px;margin-bottom:18px}
    .screen-line{height:10px;background:#dce4db;border-radius:5px;margin:11px 0}
    .screen-line.short{width:58%}
    .screen-box{height:72px;border-radius:12px;background:var(--sand);margin:16px 0}
    .operation-copy p{color:var(--muted)}
    .note-list{margin:24px 0 0;padding:0;list-style:none}
    .note-list li{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}
    .note-list b{color:var(--orange);font-size:13px}
    .note-list span{font-size:14px}
    .reminder{background:var(--ink2);color:#e9e1d2;border-radius:22px;padding:38px 42px;display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
    .reminder h2{color:#fff}
    .reminder p{color:#bdc9c1;margin:0}
    .reminder-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .reminder-item{border:1px solid rgba(233,225,210,.2);border-radius:13px;padding:17px}
    .reminder-item strong{display:block;color:#fff}
    .reminder-item span{display:block;color:#bdc9c1;font-size:13px;margin-top:4px}
    .faq-list{border-top:1px solid var(--line);max-width:900px}
    .faq{border-bottom:1px solid var(--line)}
    .faq button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;border:0;background:none;text-align:left;padding:20px 2px;color:var(--ink);font-weight:700}
    .faq button span:last-child{font-size:23px;font-weight:400;color:var(--moss);transition:.2s}
    .faq.open button span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 42px 20px 2px;color:var(--muted);font-size:14px}
    .faq.open .faq-answer{display:block}
    .footer{background:var(--ink2);color:#dbe4dc;padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px}
    .footer .brand{color:#fff;margin-bottom:17px}
    .footer .brand-mark{background:var(--sand);color:var(--ink)}
    .footer p{color:#aebdb4;max-width:370px;font-size:14px}
    .footer h3{color:#fff;font-size:16px;margin-bottom:16px}
    .footer-links{display:grid;gap:9px;color:#aebdb4;font-size:14px}
    .footer-links a:hover{color:var(--sand)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(233,225,210,.16);margin-top:42px;padding-top:18px;color:#94a69b;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:14px}.nav-actions .btn{padding:0 15px}
      .heading-inner,.operation,.reminder{grid-template-columns:1fr}
      .heading-meta{justify-content:flex-start;max-width:none}
      .operation{gap:28px}.reminder{gap:28px}
    }
    @media(max-width:767px){
      .container,.nav-wrap{width:min(100% - 32px,var(--max))}
      .site-header{height:64px}.nav-wrap{gap:12px}
      .brand{font-size:13px;max-width:225px}.brand-mark{width:34px;height:34px}
      .menu-toggle{display:block}.nav{display:none;position:absolute;left:16px;right:16px;top:70px;padding:15px 20px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav.show{display:flex}.nav a{padding:12px 0;border-bottom:1px solid var(--line)}.nav a:last-child{border-bottom:0}.nav a:after{bottom:5px}
      .nav-actions{display:none}.page-heading{padding:42px 0 35px}
      .heading-inner{gap:25px}.heading-copy p{font-size:15px}
      .section{padding:58px 0}.section-head{display:block;margin-bottom:24px}.section-head p{margin-top:10px}
      .path{grid-template-columns:1fr 1fr;gap:12px}.path-item{padding:18px 12px 18px 0}.path-item:not(:last-child):after{display:none}
      .guide-list,.quick-cards{grid-template-columns:1fr}.guide-main,.guide-side{padding:22px}
      .guide-row{grid-template-columns:1fr auto;gap:6px 15px}.guide-row time{grid-column:1/-1}.guide-row p{grid-column:1/-1}
      .quick-card:nth-child(2),.quick-card:nth-child(4){transform:none}.quick-card:nth-child(2):hover,.quick-card:nth-child(4):hover{transform:translateY(-3px)}
      .operation-visual{min-height:285px}.reminder{padding:28px 22px}.reminder-list{grid-template-columns:1fr}
      .footer{padding-top:42px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:480px){
      h1{font-size:30px}.path{grid-template-columns:1fr}.heading-meta{gap:6px}
      .guide-row{padding:18px 0}.btn{width:100%}.operation-visual{padding:20px}
    }

/* roulang page: category2 */
:root{--ink:#173b35;--ink2:#102722;--moss:#789778;--sand:#e9e1d2;--paper:#f7f5f0;--white:#fff;--text:#26312e;--muted:#6c7771;--line:#dde1d9;--orange:#c97857;--danger:#a85a50;--radius:17px;--shadow:0 12px 30px rgba(23,59,53,.08);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:78px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,54px);line-height:1.16;letter-spacing:-.04em;margin:14px 0 18px;color:var(--ink)}
    h2{font-size:clamp(27px,3vw,36px);line-height:1.25;letter-spacing:-.03em;color:var(--ink);margin:0 0 12px}
    h3{font-size:19px;line-height:1.4;color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:30px}
    .section-head p{max-width:580px;margin:0;color:var(--muted)}
    .text-link{color:var(--ink);font-weight:700;border-bottom:1px solid var(--moss);padding-bottom:3px;white-space:nowrap}
    .text-link:hover{color:var(--orange)}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.22s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,59,53,.16)}
    .btn:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(120,151,120,.34);outline-offset:3px}
    .btn-primary{background:var(--ink);color:#fff}
    .btn-warm{background:var(--orange);color:#fff}
    .btn-plain{background:#fff;border-color:var(--line);color:var(--ink)}
    .tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:#edf1eb;color:var(--ink);font-size:12px;font-weight:700}
    .site-header{height:76px;display:flex;align-items:center;background:rgba(247,245,240,.96);border-bottom:1px solid transparent;position:sticky;top:0;z-index:10;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(23,59,53,.05)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;width:min(var(--max),calc(100% - 48px));margin:auto}
    .brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;line-height:1.3}
    .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--sand);font-size:11px;letter-spacing:-.04em;flex:none}
    .nav{display:flex;gap:22px;align-items:center}
    .nav a{font-size:14px;font-weight:700;color:#4a5651;padding:25px 0;position:relative}
    .nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--moss);transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after,.nav a:hover:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
    .page-intro{padding:64px 0 42px;background:var(--sand);border-bottom:1px solid rgba(23,59,53,.08)}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;align-items:end;gap:45px}
    .intro-copy p{max-width:680px;color:#4c5a54;font-size:17px;margin-bottom:22px}
    .intro-meta{display:flex;flex-wrap:wrap;gap:10px}
    .intro-panel{background:rgba(255,255,255,.72);border:1px solid rgba(23,59,53,.1);border-radius:20px;padding:24px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .data-item{padding-left:15px;border-left:2px solid var(--moss)}
    .data-item strong{display:block;color:var(--ink);font-size:20px}
    .data-item span{display:block;color:var(--muted);font-size:13px}
    .download-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:24px;align-items:stretch}
    .download-visual{border-radius:22px;background:var(--ink);color:#fff;padding:32px;position:relative;overflow:hidden;min-height:380px}
    .download-visual:after{content:"";position:absolute;width:290px;height:290px;border:1px solid rgba(233,225,210,.25);border-radius:50%;right:-90px;bottom:-100px}
    .app-symbol{width:76px;height:76px;border-radius:22px;background:var(--sand);color:var(--ink);display:grid;place-items:center;font-size:23px;font-weight:800;margin-bottom:34px}
    .download-visual h3{color:#fff;font-size:27px;max-width:270px}
    .download-visual p{color:#c2d0c7;max-width:285px}
    .visual-note{position:absolute;left:32px;bottom:28px;color:#b8c8be;font-size:13px}
    .download-card{background:#fff;border-radius:22px;padding:34px;box-shadow:var(--shadow);border:1px solid var(--line)}
    .download-card-head{display:flex;justify-content:space-between;gap:20px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:23px}
    .download-card h3{margin:0 0 5px;font-size:24px}
    .download-card small{color:var(--muted)}
    .version-badge{background:#edf1eb;color:var(--ink);border-radius:10px;padding:9px 12px;font-size:13px;font-weight:700;white-space:nowrap}
    .spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0 25px}
    .spec{background:var(--paper);border-radius:12px;padding:14px}
    .spec span{display:block;color:var(--muted);font-size:12px}
    .spec b{display:block;color:var(--ink);font-size:15px;margin-top:2px}
    .download-actions{display:flex;align-items:center;gap:17px;flex-wrap:wrap}
    .qr{width:76px;height:76px;border:6px solid #fff;outline:1px solid var(--line);background:repeating-linear-gradient(45deg,var(--ink) 0 4px,#fff 4px 8px);border-radius:5px}
    .security-note{color:var(--muted);font-size:12px;margin:19px 0 0}
    .version-section{background:#fff}
    .version-list{border-top:1px solid var(--line)}
    .version-row{display:grid;grid-template-columns:125px 1fr 180px auto;gap:25px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .version-number{font-size:20px;font-weight:800;color:var(--ink)}
    .version-row h3{font-size:17px;margin:0 0 4px}
    .version-row p{margin:0;color:var(--muted);font-size:13px}
    .version-date{font-size:13px;color:var(--muted)}
    .install-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:start}
    .install-copy{position:sticky;top:110px}
    .install-copy p{color:var(--muted);max-width:430px}
    .step-list{position:relative}
    .step-list:before{content:"";position:absolute;left:22px;top:28px;bottom:28px;border-left:1px solid var(--line)}
    .step-card{position:relative;display:grid;grid-template-columns:46px 1fr auto;gap:16px;align-items:center;padding:19px 0}
    .step-number{width:45px;height:45px;border-radius:50%;background:var(--sand);color:var(--ink);display:grid;place-items:center;font-weight:800;z-index:1}
    .step-card h3{margin:0;font-size:17px}
    .step-card p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .adapt-section{background:var(--sand)}
    .adapt-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .adapt-table,.notice-card{background:#fff;border:1px solid rgba(23,59,53,.1);border-radius:18px;padding:26px}
    .adapt-table h3,.notice-card h3{margin-bottom:18px}
    .table-row{display:grid;grid-template-columns:1fr 1fr;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .table-row:last-child{border-bottom:0}
    .table-row span{color:var(--muted)}
    .table-row b{color:var(--ink);font-weight:700}
    .notice-card{background:var(--ink);color:#fff}
    .notice-card h3{color:#fff}
    .notice-card p{color:#c2d0c7}
    .notice-list{list-style:none;padding:0;margin:20px 0 0}
    .notice-list li{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid rgba(233,225,210,.18);color:#d1ddd5;font-size:14px}
    .notice-list li:before{content:"✓";color:var(--sand);font-weight:800}
    .trouble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .trouble-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.22s}
    .trouble-card:hover{border-color:var(--moss);transform:translateY(-3px);box-shadow:var(--shadow)}
    .trouble-card h3{margin:0 0 8px;font-size:18px}
    .trouble-card p{color:var(--muted);font-size:14px;margin-bottom:13px}
    .faq-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:45px}
    .faq-list{border-top:1px solid var(--line)}
    .faq{border-bottom:1px solid var(--line)}
    .faq button{width:100%;border:0;background:none;text-align:left;padding:19px 4px;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:16px}
    .faq button span:last-child{font-size:21px;color:var(--moss);line-height:1}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 34px 18px 4px}
    .faq.open .faq-answer{display:block}
    .faq.open button span:last-child{transform:rotate(45deg)}
    .faq-side{background:var(--sand);border-radius:20px;padding:30px;min-height:260px}
    .faq-side strong{display:block;font-size:48px;line-height:1;color:var(--orange);margin-bottom:22px}
    .faq-side p{color:#58635d}
    .footer{background:var(--ink2);color:#dce5df;padding:58px 0 22px}
    .footer .brand{color:#fff}
    .footer .brand-mark{background:var(--sand);color:var(--ink)}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr;gap:55px}
    .footer p{color:#aebdb4;max-width:390px;font-size:13px;margin-top:18px}
    .footer h3{color:#fff;font-size:15px;margin-bottom:14px}
    .footer-links{display:grid;gap:7px;color:#afbeb5;font-size:13px}
    .footer-links a:hover{color:var(--sand)}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(233,225,210,.15);margin-top:38px;padding-top:18px;color:#91a39a;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:14px}.nav a{font-size:13px}
      .intro-grid,.download-layout,.install-wrap,.adapt-grid,.faq-layout{grid-template-columns:1fr}
      .install-copy{position:static}
      .download-visual{min-height:250px}
    }
    @media(max-width:768px){
      .container,.nav-wrap{width:min(100% - 32px, var(--max))}
      .site-header{height:66px}
      .menu-toggle{display:block}
      .nav{display:none;position:absolute;left:16px;right:16px;top:62px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px 18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}
      .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .nav a:last-child{border-bottom:0}
      .nav a:after{display:none}
      .nav-actions .btn{display:none}
      .page-intro{padding:45px 0 32px}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .intro-panel{margin-top:10px}
      .version-row{grid-template-columns:1fr;gap:7px}
      .version-row .btn{justify-self:start}
      .spec-grid{grid-template-columns:1fr 1fr}
      .trouble-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:28px}
    }
    @media(max-width:480px){
      h1{font-size:32px}
      .download-card,.download-visual,.adapt-table,.notice-card,.faq-side{padding:23px}
      .download-card-head{display:block}
      .version-badge{display:inline-block;margin-top:14px}
      .spec-grid{grid-template-columns:1fr}
      .download-actions{align-items:flex-start}
      .download-actions .btn{width:100%}
      .qr{display:none}
      .step-card{grid-template-columns:42px 1fr}
      .step-card .text-link{grid-column:2}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:6px}
    }

/* roulang page: category4 */
:root{
      --ink:#173b35;--ink2:#102722;--moss:#789778;--sand:#e9e1d2;
      --paper:#f7f5f0;--white:#fff;--text:#26312e;--muted:#6c7771;
      --line:#dde1d9;--orange:#c97857;--danger:#a85a50;--radius:17px;
      --shadow:0 12px 30px rgba(23,59,53,.08);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font:15px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--ink);line-height:1.25}
    h1{font-size:clamp(34px,5vw,54px);letter-spacing:-.04em;margin-bottom:18px}
    h2{font-size:clamp(27px,3vw,36px);letter-spacing:-.03em;margin-bottom:12px}
    h3{font-size:19px}
    .container{width:min(var(--max),calc(100% - 48px));margin:auto}
    .section{padding:82px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}
    .section-head p{max-width:560px;margin:0;color:var(--muted)}
    .tag{display:inline-flex;align-items:center;padding:5px 11px;border-radius:999px;background:#edf1eb;color:var(--ink);font-size:12px;font-weight:700}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:700;transition:.22s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 9px 18px rgba(23,59,53,.16)}
    .btn:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(120,151,120,.34);outline-offset:3px}
    .btn-primary{background:var(--ink);color:#fff}
    .btn-warm{background:var(--orange);color:#fff}
    .btn-plain{background:#fff;border-color:var(--line);color:var(--ink)}
    .text-link{color:var(--ink);font-weight:700;border-bottom:1px solid var(--moss);padding-bottom:3px}
    .text-link:hover{color:var(--orange)}
    .site-header{height:76px;display:flex;align-items:center;background:rgba(247,245,240,.96);border-bottom:1px solid transparent;position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 5px 18px rgba(23,59,53,.05)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;width:min(var(--max),calc(100% - 48px));margin:auto}
    .brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:15px;line-height:1.3}
    .brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--sand);font-size:11px;letter-spacing:-.04em;flex:none}
    .nav{display:flex;gap:22px;align-items:center}
    .nav a{font-size:14px;font-weight:700;color:#4a5651;padding:25px 0;position:relative}
    .nav a:after{content:"";position:absolute;left:0;bottom:17px;width:0;height:2px;background:var(--moss);transition:.2s}
    .nav a:hover,.nav a.active{color:var(--ink)}
    .nav a.active:after,.nav a:hover:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{display:none;border:0;background:none;color:var(--ink);font-size:25px}
    .page-heading{padding:68px 0 42px;background:var(--sand);border-bottom:1px solid rgba(23,59,53,.08)}
    .heading-inner{display:flex;justify-content:space-between;align-items:end;gap:40px}
    .heading-copy{max-width:720px}
    .heading-copy p{font-size:17px;color:#4d5a54;margin:0;max-width:680px}
    .heading-meta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px;max-width:300px}
    .heading-meta span{padding:9px 12px;border:1px solid rgba(23,59,53,.16);border-radius:10px;color:var(--ink);font-size:13px;background:rgba(255,255,255,.35)}
    .issue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .issue-card{min-height:185px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.22s}
    .issue-card:hover{transform:translateY(-4px);border-color:var(--moss)}
    .issue-number{display:block;color:var(--orange);font:700 13px/1.2 Arial,sans-serif;margin-bottom:27px}
    .issue-card h3{margin-bottom:8px;font-size:18px}
    .issue-card p{margin:0;color:var(--muted);font-size:13px}
    .support-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px;align-items:start}
    .support-rail{position:sticky;top:110px}
    .support-rail h2{max-width:300px}
    .support-rail p{color:var(--muted);max-width:340px}
    .rail-note{margin-top:30px;padding:20px;background:var(--sand);border-left:3px solid var(--orange);border-radius:0 13px 13px 0}
    .rail-note b{display:block;color:var(--ink);margin-bottom:5px}
    .rail-note span{font-size:13px;color:var(--muted)}
    .article-list{display:grid;gap:12px}
    .article-row{display:grid;grid-template-columns:112px 1fr auto;gap:22px;align-items:center;padding:22px 0;border-top:1px solid var(--line)}
    .article-row:last-child{border-bottom:1px solid var(--line)}
    .article-date{color:var(--muted);font-size:12px}
    .article-row h3{font-size:18px;margin:5px 0}
    .article-row p{margin:0;color:var(--muted);font-size:13px}
    .article-arrow{font-size:22px;color:var(--moss);transition:.2s}
    .article-row:hover .article-arrow{color:var(--orange);transform:translateX(4px)}
    .form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;background:var(--ink2);padding:42px;border-radius:22px;color:#eef1eb}
    .form-layout h2{color:#fff}
    .form-layout p{color:#bdc9c1}
    .form-points{display:grid;gap:14px;margin-top:28px}
    .form-point{display:flex;gap:12px;align-items:flex-start}
    .form-point i{width:23px;height:23px;border:1px solid var(--moss);border-radius:50%;display:grid;place-items:center;color:var(--sand);font-style:normal;font-size:12px;flex:none}
    .form-point span{font-size:13px;color:#c2cec6}
    .support-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;color:#d5ddd7}
    .field label em{color:#e7a18b;font-style:normal}
    .field input,.field select,.field textarea{width:100%;border:1px solid rgba(233,225,210,.2);border-radius:9px;background:rgba(255,255,255,.08);color:#fff;padding:12px 13px}
    .field select option{color:var(--text)}
    .field textarea{min-height:125px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#9eafa5}
    .form-footer{grid-column:1/-1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:3px}
    .form-hint{font-size:12px;color:#aabbb0}
    .success-message{display:none;color:#e9e1d2;font-size:13px}
    .success-message.show{display:block}
    .process-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .process-card{position:relative;padding:28px 28px 10px 0;margin-right:28px}
    .process-card:not(:last-child):after{content:"→";position:absolute;right:0;top:38px;color:var(--moss);font-size:22px}
    .process-card:last-child{margin-right:0}
    .process-no{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--sand);color:var(--ink);font-weight:800;margin-bottom:18px}
    .process-card h3{font-size:18px;margin-bottom:7px}
    .process-card p{margin:0;color:var(--muted);font-size:14px}
    .contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .contact-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
    .contact-card h3{margin-bottom:17px}
    .contact-card p{color:var(--muted);margin-bottom:10px}
    .contact-data{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
    .data-box{padding:17px;background:#f1f3ee;border-radius:12px}
    .data-box span{display:block;color:var(--muted);font-size:12px}
    .data-box b{display:block;color:var(--ink);font-size:16px;margin-top:3px}
    .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
    .faq-intro p{color:var(--muted);max-width:330px}
    .faq-list{border-top:1px solid var(--line)}
    .faq{border-bottom:1px solid var(--line)}
    .faq button{width:100%;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0;border:0;background:none;text-align:left;color:var(--ink);font-weight:700}
    .faq button span:last-child{color:var(--moss);font-size:22px;font-weight:400;transition:.2s}
    .faq.open button span:last-child{transform:rotate(45deg);color:var(--orange)}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--muted);font-size:14px}
    .faq-answer p{padding:0 34px 18px 0;margin:0}
    .faq.open .faq-answer{max-height:150px}
    .footer{padding:55px 0 22px;background:var(--ink2);color:#c5d0c8}
    .footer-grid{display:grid;grid-template-columns:1.5fr .75fr .9fr;gap:50px}
    .footer .brand{color:#fff;margin-bottom:17px}
    .footer p{max-width:390px;color:#aebdb3;font-size:13px}
    .footer h3{color:#f2eee5;font-size:15px;margin:4px 0 16px}
    .footer-links{display:grid;gap:8px;font-size:13px;color:#aebdb3}
    .footer-links a:hover{color:var(--sand)}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid rgba(233,225,210,.14);margin-top:38px;padding-top:18px;color:#8fa197;font-size:12px}
    @media(max-width:1024px){
      .nav{gap:14px}.nav a{font-size:13px}
      .issue-grid{grid-template-columns:repeat(2,1fr)}
      .support-layout,.faq-layout{grid-template-columns:1fr}
      .support-rail{position:static}
      .heading-inner{align-items:flex-start;flex-direction:column}
      .heading-meta{justify-content:flex-start;max-width:none}
    }
    @media(max-width:768px){
      .container,.nav-wrap{width:min(var(--max),calc(100% - 32px))}
      .site-header{height:66px}
      .nav{display:none;position:absolute;left:16px;right:16px;top:60px;padding:14px 20px;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav.open{display:flex}
      .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
      .nav a:last-child{border-bottom:0}
      .nav a:after{bottom:6px}
      .nav-actions .btn{display:none}
      .menu-toggle{display:block}
      .page-heading{padding:50px 0 35px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .form-layout{grid-template-columns:1fr;padding:28px 22px}
      .process-wrap{grid-template-columns:1fr}
      .process-card{margin:0;padding:25px 0;border-bottom:1px solid var(--line)}
      .process-card:not(:last-child):after{content:"↓";right:8px;top:auto;bottom:-17px;z-index:1}
      .contact-grid,.footer-grid{grid-template-columns:1fr}
      .footer-grid{gap:28px}
    }
    @media(max-width:520px){
      h1{font-size:34px}
      .issue-grid{grid-template-columns:1fr}
      .article-row{grid-template-columns:1fr auto;gap:8px 14px}
      .article-date{grid-column:1/-1}
      .article-row p{display:none}
      .support-form{grid-template-columns:1fr}
      .field.full,.form-footer{grid-column:auto}
      .contact-data{grid-template-columns:1fr}
      .footer-bottom{display:grid;gap:8px}
    }