/* roulang page: index */
:root{--green:#164b45;--green-dark:#102c29;--green-light:#edf2ee;--gold:#b78a4a;--cream:#f7f5ef;--white:#fff;--text:#263330;--muted:#69736f;--line:#dde4de;--radius:16px;--radius-lg:24px;--shadow:0 12px 32px rgba(16,44,41,.08);--shadow-hover:0 18px 42px rgba(16,44,41,.14);--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button{font:inherit}button,a{outline:none}.container{width:min(calc(100% - 48px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(221,228,222,.8)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:220px}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--green);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid var(--gold);border-radius:50%}.brand-mark:before{inset:8px}.brand-mark:after{inset:13px}.brand-text strong{display:block;font-size:15px;line-height:1.2;color:var(--green)}.brand-text span{display:block;font-size:10px;color:var(--muted);white-space:nowrap}.main-nav{display:flex;align-items:center;gap:5px}.main-nav a{position:relative;padding:10px 11px;color:#46534f;font-size:14px;font-weight:700;transition:.25s}.main-nav a:hover,.main-nav a.active{color:var(--green)}.main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:.25s}.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(22,75,69,.18)}.btn-primary:hover{background:#1c625a;transform:translateY(-2px)}.btn-secondary{border-color:var(--green);color:var(--green);background:transparent}.btn-secondary:hover{background:var(--green-light)}.btn:focus,a:focus{outline:3px solid rgba(183,138,74,.35);outline-offset:3px}.menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
.section{padding:96px 0}.section-soft{background:var(--green-light)}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:20px;height:1px;background:var(--gold)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.3vw,58px);line-height:1.22;letter-spacing:-.04em}h2{font-size:clamp(26px,3vw,38px);line-height:1.35;letter-spacing:-.03em}h3{font-size:18px;line-height:1.45}.lead{font-size:17px;color:var(--muted);max-width:620px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:38px}.section-head p{margin:0;color:var(--muted)}
.hero{padding:72px 0 56px;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;right:-120px;top:-130px;width:560px;height:560px;border:1px solid rgba(183,138,74,.28);border-radius:50%}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.hero-copy{position:relative;z-index:1}.hero-copy h1{max-width:630px;margin:16px 0 20px;color:var(--green-dark)}.hero-copy h1 em{color:var(--green);font-style:normal}.hero-actions{display:flex;gap:12px;margin:28px 0}.tag-row{display:flex;gap:9px;flex-wrap:wrap}.tag{padding:6px 11px;border:1px solid var(--line);border-radius:100px;background:rgba(255,255,255,.7);font-size:12px;color:#52605b}.hero-panel{min-height:420px;position:relative;background:var(--green);border-radius:var(--radius-lg);overflow:hidden;padding:30px;box-shadow:var(--shadow)}.hero-panel:before{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-120px;top:-115px}.device{position:absolute;width:210px;height:390px;left:50%;top:30px;transform:translateX(-50%);border:7px solid #203d39;border-radius:31px;background:#f8f5eb;box-shadow:0 19px 38px rgba(0,0,0,.28);padding:18px 13px}.speaker{width:55px;height:5px;border-radius:8px;background:#203d39;margin:-10px auto 18px}.screen-title{font-weight:800;color:var(--green);font-size:15px}.screen-line{height:9px;border-radius:7px;background:#dbe7df;margin:10px 0}.screen-card{margin-top:18px;border-radius:14px;background:var(--green);padding:14px;color:#fff}.screen-card small{color:#d4e2dc}.screen-card b{display:block;font-size:20px;margin:9px 0}.mini-panel{position:absolute;background:#fff;border-radius:14px;padding:13px 15px;box-shadow:0 12px 24px rgba(0,0,0,.18);font-size:12px;color:var(--text)}.mini-panel strong{display:block;color:var(--green);font-size:13px}.panel-a{left:24px;bottom:42px}.panel-b{right:20px;top:70px;border-left:3px solid var(--gold)}.quickbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fbfaf6}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}.quick-item{padding:21px 24px;border-right:1px solid var(--line);display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700}.quick-item:last-child{border:0}.quick-icon{width:30px;height:30px;border-radius:9px;background:var(--green-light);color:var(--green);display:grid;place-items:center;font-size:16px}
.news-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}.feature-post,.news-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}.feature-post:hover,.news-item:hover,.service-item:hover,.guide-card:hover,.scene:hover{transform:translateY(-4px);border-color:rgba(22,75,69,.4);box-shadow:var(--shadow-hover)}.feature-post{padding:28px;min-height:300px;position:relative;overflow:hidden}.feature-post:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;border:24px solid var(--green-light);right:-52px;bottom:-56px}.post-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}.badge{display:inline-block;padding:3px 8px;border-radius:6px;background:#f4ecdf;color:#875f29;font-weight:700}.feature-post h3{font-size:24px;margin:18px 0 12px;max-width:85%;position:relative;z-index:1}.feature-post p{color:var(--muted);max-width:88%;margin-bottom:25px}.post-link{font-weight:800;color:var(--green);font-size:14px}.compact-news{display:grid;gap:11px}.news-item{padding:17px 19px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.news-item h3{font-size:15px;margin:4px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.news-item p{display:none}.arrow{color:var(--gold);font-size:20px}.empty{padding:45px;text-align:center;border:1px dashed #bdc9c1;border-radius:var(--radius);color:var(--muted);background:#fff}.download-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}.download-art{min-height:300px;border-radius:var(--radius-lg);background:linear-gradient(145deg,#dce9e1,#f8f5eb);position:relative;overflow:hidden}.download-art .device{top:18px;transform:translateX(-50%) scale(.73);transform-origin:top}.download-info{display:grid;grid-template-columns:1fr 1fr;gap:14px}.version-card{grid-column:1/-1;padding:20px;border-left:4px solid var(--gold);background:#fff;border-radius:0 var(--radius) var(--radius) 0}.version-card b{font-size:20px;color:var(--green)}.info-chip{padding:14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:13px}.info-chip span{display:block;color:var(--muted);font-size:12px}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}.flow:before{content:"";position:absolute;top:32px;left:11%;right:11%;height:1px;background:#bdcbc2}.flow-step{position:relative;padding:0 20px}.step-no{width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:var(--cream);border:1px solid #bdcbc2;color:var(--green);font-weight:800;font-size:18px;position:relative;z-index:1;margin-bottom:18px}.flow-step h3{margin-bottom:7px}.flow-step p{font-size:14px;color:var(--muted)}
.rights{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.right-intro{padding-right:20px}.right-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.service-item{background:#fff;border:1px solid var(--line);padding:21px;border-radius:var(--radius);transition:.25s}.service-item i{font-style:normal;color:var(--gold);font-size:22px}.service-item p{font-size:14px;color:var(--muted);margin:8px 0 0}.guides{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:16px}.guide-card{min-height:168px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}.guide-card.wide{grid-row:span 2;background:var(--green);color:#fff}.guide-card.wide p{color:#d5e3dd}.guide-card p{font-size:14px;color:var(--muted);margin-bottom:13px}.timeline-update{display:grid;grid-template-columns:1fr 1fr;gap:22px}.timeline-box,.update-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px}.time-entry{position:relative;padding:0 0 19px 23px;border-left:1px solid var(--line)}.time-entry:before{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--gold);left:-5px;top:6px}.time-entry:last-child{padding-bottom:0}.time-entry time{display:block;color:var(--gold);font-size:12px;font-weight:700}.time-entry b{font-size:15px}.update-box{background:var(--green-dark);color:#fff}.update-box p{color:#c8d7d0}.update-list{padding:0;margin:15px 0 0;list-style:none}.update-list li{padding:10px 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px}
.security-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}.checklist{display:grid;gap:13px}.check{padding:17px 20px;background:#fff;border-radius:12px;border-left:3px solid var(--gold)}.check b{display:block;color:var(--green)}.check span{font-size:13px;color:var(--muted)}.security-visual{min-height:290px;background:var(--green);border-radius:var(--radius-lg);padding:28px;color:#fff;position:relative}.security-visual:after{content:"✓";position:absolute;right:35px;bottom:20px;width:100px;height:100px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:50px;color:#e4c18a}.security-visual p{color:#d4e2dc}.scene-grid{display:grid;grid-template-columns:1.05fr .8fr 1.15fr;gap:16px}.scene{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-height:215px;transition:.25s}.scene:nth-child(2){background:#e6eee9}.scene-num{font-size:34px;color:var(--gold);font-weight:800}.scene p{font-size:14px;color:var(--muted)}.support-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center}.support-box{background:var(--green);color:#fff;border-radius:var(--radius-lg);padding:42px}.support-box p{color:#d5e3dd}.support-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.support-link{padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:800}.support-link span{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:4px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px 20px}.faq-item summary{cursor:pointer;font-weight:800;color:var(--green);list-style:none;padding-right:22px;position:relative}.faq-item summary:after{content:"+";position:absolute;right:0;font-size:20px;color:var(--gold)}.faq-item[open] summary:after{content:"−"}.faq-item p{margin:13px 0 0;color:var(--muted);font-size:14px}.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.channel{display:flex;justify-content:space-between;align-items:center;padding:18px;border:1px solid var(--line);background:#fff;border-radius:12px;font-weight:800;transition:.25s}.channel:hover{border-color:var(--green);color:var(--green);transform:translateY(-3px)}.cta-band{padding:30px;background:var(--green-dark);color:#fff;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-band h2{margin:0 0 5px;font-size:28px}.cta-band p{margin:0;color:#d2e0da}.cta-band .btn-primary{background:var(--gold)}.cta-band .btn-primary:hover{background:#c89a58}
.site-footer{background:var(--green-dark);color:#d6e1dc;padding:62px 0 22px;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px}.footer-brand strong{display:block;color:#fff;font-size:17px;line-height:1.5}.footer-brand p{font-size:13px;color:#afc1b9}.footer-col h3{color:#e7c48b;font-size:14px;margin-bottom:13px}.footer-col a{display:block;font-size:13px;color:#bfcec8;padding:4px 0}.footer-col a:hover{color:#fff}.copyright{margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);display:flex;justify-content:space-between;gap:15px;color:#91a7a0;font-size:12px}
@media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.hero-grid,.download-grid,.rights,.security-grid,.support-grid{gap:32px}.section{padding:76px 0}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.nav-wrap{height:66px}.main-nav,.nav-cta{display:none}.menu-toggle{display:block}.hero{padding:53px 0 40px}.hero-grid,.news-layout,.download-grid,.rights,.security-grid,.support-grid,.timeline-update{grid-template-columns:1fr}.hero-panel{min-height:340px}.device{transform:translateX(-50%) scale(.78);transform-origin:top}.quick-grid{grid-template-columns:1fr 1fr}.quick-item:nth-child(2){border-right:0}.quick-item{padding:16px}.flow{grid-template-columns:1fr 1fr;gap:22px}.flow:before{display:none}.right-list,.faq-grid{grid-template-columns:1fr}.guides{grid-template-columns:1fr 1fr}.guide-card.wide{grid-row:auto;grid-column:1/-1}.scene-grid{grid-template-columns:1fr}.channel-grid{grid-template-columns:1fr 1fr}.section-head{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.cta-band{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){h1{font-size:34px}.section{padding:56px 0}.hero-actions{flex-direction:column}.hero-actions .btn,.cta-band .btn{width:100%}.hero-panel{min-height:305px}.mini-panel{font-size:10px}.panel-a{left:13px;bottom:22px}.panel-b{right:12px;top:36px}.quick-grid{grid-template-columns:1fr}.quick-item{border-right:0;border-bottom:1px solid var(--line)}.quick-item:last-child{border-bottom:0}.news-item{padding:15px;grid-template-columns:1fr auto}.news-item h3{white-space:normal}.download-info,.guides,.support-links,.channel-grid{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.flow-step{padding-left:0}.feature-post h3{font-size:20px}.footer-grid{grid-template-columns:1fr}.copyright{flex-direction:column}.brand-text span{display:none}}

/* roulang page: category1 */
:root{--green:#164b45;--green-dark:#102c29;--green-light:#edf2ee;--gold:#b78a4a;--cream:#f7f5ef;--white:#fff;--text:#263330;--muted:#69736f;--line:#dde4de;--radius:16px;--radius-lg:24px;--shadow:0 12px 32px rgba(16,44,41,.08);--shadow-hover:0 18px 42px rgba(16,44,41,.14);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button{font:inherit}
    button,a{outline:none}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(221,228,222,.85)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--green);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid var(--gold);border-radius:50%}
    .brand-mark:before{inset:8px}.brand-mark:after{inset:13px}
    .brand-text strong{display:block;font-size:15px;line-height:1.2;color:var(--green)}
    .brand-text span{display:block;font-size:10px;color:var(--muted);white-space:nowrap}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{position:relative;padding:10px 11px;color:#46534f;font-size:14px;font-weight:700;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
    .nav-action{white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:.25s}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(22,75,69,.18)}
    .btn-primary:hover{background:#1c625a;transform:translateY(-2px);color:#fff}
    .btn-secondary{border-color:var(--green);color:var(--green);background:transparent}
    .btn-secondary:hover{background:var(--green-light)}
    .btn:focus,a:focus{outline:3px solid rgba(183,138,74,.35);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
    .page-head{padding:78px 0 64px;background:var(--green-light);border-bottom:1px solid var(--line)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:20px;height:1px;background:var(--gold)}
    h1,h2,h3{line-height:1.25;color:var(--green-dark);font-weight:800}
    h1{font-size:clamp(34px,5vw,58px);margin:16px 0 18px;letter-spacing:-.03em}
    h2{font-size:clamp(26px,3vw,38px);margin:0 0 12px}
    h3{font-size:19px;margin:0 0 9px}
    .lead{font-size:17px;color:var(--muted);max-width:700px;margin:0}
    .head-line{display:flex;justify-content:space-between;align-items:end;gap:30px}
    .head-note{max-width:280px;color:var(--muted);font-size:13px;border-left:3px solid var(--gold);padding-left:16px}
    .section{padding:88px 0}
    .section-soft{background:var(--green-light)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:34px}
    .section-head p{margin:0;color:var(--muted)}
    .filter-row{display:flex;gap:12px;flex-wrap:wrap}
    .filter{padding:9px 16px;border:1px solid var(--line);border-radius:100px;background:#fff;color:var(--muted);font-size:14px;font-weight:700;transition:.2s}
    .filter:hover,.filter.current{background:var(--green);border-color:var(--green);color:#fff}
    .feature{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
    .feature-visual{min-height:300px;background:var(--green);position:relative;padding:32px;color:#fff;overflow:hidden}
    .feature-visual:before{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-80px;top:-90px}
    .feature-visual:after{content:"";position:absolute;width:180px;height:180px;border:18px solid rgba(183,138,74,.5);border-radius:50%;left:-70px;bottom:-90px}
    .visual-label{position:relative;z-index:1;display:inline-block;padding:7px 12px;border:1px solid rgba(255,255,255,.35);border-radius:8px;font-size:12px}
    .visual-title{position:relative;z-index:1;margin-top:115px;font-size:25px;font-weight:800;max-width:330px}
    .feature-copy{padding:38px}
    .meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
    .badge{display:inline-block;padding:3px 9px;border-radius:6px;background:#f4ecdf;color:#875f29;font-weight:700}
    .feature-copy h3{font-size:27px;margin:22px 0 14px}
    .feature-copy p{color:var(--muted);margin:0 0 25px;max-width:510px}
    .news-list{display:grid;gap:14px}
    .news-card{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .news-card:hover{transform:translateY(-3px);border-color:rgba(22,75,69,.4);box-shadow:var(--shadow-hover)}
    .news-date{color:var(--gold);font-size:14px;font-weight:800}
    .news-card p{margin:0;color:var(--muted);font-size:14px}
    .news-card h3{font-size:18px;margin:3px 0 6px}
    .arrow{color:var(--gold);font-size:24px}
    .timeline{position:relative;max-width:900px;margin:10px auto 0;padding-left:34px}
    .timeline:before{content:"";position:absolute;left:7px;top:4px;bottom:4px;width:1px;background:var(--line)}
    .timeline-item{position:relative;padding:0 0 28px 28px}
    .timeline-item:before{content:"";position:absolute;left:-1px;top:8px;width:16px;height:16px;border:4px solid var(--cream);background:var(--gold);border-radius:50%;box-shadow:0 0 0 1px var(--gold)}
    .timeline-item time{font-size:13px;color:var(--gold);font-weight:800}
    .timeline-item h3{margin:4px 0;font-size:18px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .reading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .reading-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .reading-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(22,75,69,.4)}
    .reading-no{color:var(--gold);font-size:13px;font-weight:800}
    .reading-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .text-link{color:var(--green);font-weight:800;font-size:14px}
    .text-link:hover{color:var(--gold)}
    .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .channel{display:flex;align-items:center;justify-content:space-between;padding:17px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--green);font-weight:800;font-size:14px;transition:.2s}
    .channel:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
    .more-row{text-align:center;margin-top:32px}
    .site-footer{background:var(--green-dark);color:#dce8e1;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:35px}
    .footer-brand strong{display:block;color:#fff;font-size:16px;margin-bottom:12px}
    .footer-brand p{color:#a9c0b7;font-size:13px;max-width:290px;margin:0}
    .footer-col h3{color:#fff;font-size:15px;margin:0 0 15px}
    .footer-col a{display:block;color:#a9c0b7;font-size:13px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#fff;padding-left:3px}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(220,232,225,.16);margin-top:42px;padding-top:19px;color:#91aaa0;font-size:12px}
    @media(max-width:992px){.main-nav{gap:0}.nav-action{display:none}.feature{grid-template-columns:1fr}.feature-visual{min-height:230px}.visual-title{margin-top:75px}.news-card{grid-template-columns:90px 1fr auto}.channel-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--max))}.nav-wrap{height:68px}.brand{min-width:0}.brand-text span{display:none}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:73px;padding:12px;flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a.active:after{left:14px;right:auto;width:22px;bottom:5px}.page-head{padding:58px 0 48px}.head-line{display:block}.head-note{margin-top:25px}.section{padding:60px 0}.feature-copy{padding:26px}.news-card{grid-template-columns:1fr auto;gap:4px 14px}.news-date{grid-column:1/-1}.news-card p{grid-column:1/-1}.news-card .arrow{grid-column:2;grid-row:2}.reading-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:6px}}
    @media(max-width:480px){h1{font-size:35px}.filter{font-size:13px;padding:8px 12px}.feature-copy h3{font-size:23px}.channel-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.btn{width:100%}}

/* roulang page: article */
:root{
      --green:#164b45;
      --green-dark:#102c29;
      --green-light:#edf2ee;
      --gold:#b78a4a;
      --cream:#f7f5ef;
      --white:#fff;
      --text:#263330;
      --muted:#69736f;
      --line:#dde4de;
      --radius:16px;
      --radius-lg:24px;
      --shadow:0 12px 32px rgba(16,44,41,.08);
      --shadow-hover:0 18px 42px rgba(16,44,41,.14);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--text);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
    }
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%;height:auto}
    button{font:inherit}
    a:focus,button:focus{outline:3px solid rgba(183,138,74,.35);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,245,239,.95);
      backdrop-filter:blur(10px);
      border-bottom:1px solid rgba(221,228,222,.85)
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px
    }
    .brand{display:flex;align-items:center;gap:10px;min-width:220px}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;background:var(--green);
      position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border:1px solid var(--gold);border-radius:50%
    }
    .brand-mark:before{inset:8px}
    .brand-mark:after{inset:13px}
    .brand-text strong{display:block;font-size:15px;line-height:1.2;color:var(--green)}
    .brand-text span{display:block;font-size:10px;color:var(--muted);white-space:nowrap}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{
      position:relative;padding:10px 11px;color:#46534f;font-size:14px;
      font-weight:700;transition:.25s
    }
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{
      content:"";position:absolute;left:11px;right:11px;bottom:4px;
      height:2px;background:var(--gold);border-radius:2px
    }
    .header-action{white-space:nowrap}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;
      font-weight:700;font-size:14px;cursor:pointer;transition:.25s
    }
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(22,75,69,.18)}
    .btn-primary:hover{background:#1c625a;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--green);color:var(--green);background:transparent}
    .btn-secondary:hover{background:var(--green-light);color:var(--green)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
    .article-hero{
      padding:72px 0 64px;
      background:
        linear-gradient(90deg,rgba(237,242,238,.72),transparent 55%),
        var(--cream);
      border-bottom:1px solid var(--line)
    }
    .crumbs{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      color:var(--muted);font-size:13px;margin-bottom:25px
    }
    .crumbs a{color:var(--green);font-weight:700}
    .crumbs span{color:#a5aea9}
    .article-heading{max-width:850px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:7px;color:var(--gold);
      font-size:13px;font-weight:800;letter-spacing:.08em
    }
    .eyebrow:before{content:"";width:20px;height:1px;background:var(--gold)}
    .article-heading h1{
      margin:15px 0 19px;
      color:var(--green-dark);
      font-size:clamp(32px,4.2vw,54px);
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:800
    }
    .article-intro{max-width:760px;color:var(--muted);font-size:17px;margin:0 0 25px}
    .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .badge{
      display:inline-block;padding:4px 10px;border-radius:7px;
      background:#f4ecdf;color:#875f29;font-weight:700
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 250px;
      gap:64px;
      align-items:start
    }
    .article-section{padding:82px 0}
    .article-content{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:clamp(26px,5vw,58px);
      box-shadow:var(--shadow)
    }
    .article-content h2{
      color:var(--green-dark);
      font-size:28px;
      line-height:1.35;
      margin:34px 0 15px
    }
    .article-content h3{
      color:var(--green);
      font-size:21px;
      line-height:1.45;
      margin:28px 0 12px
    }
    .article-content p{margin:0 0 18px;color:#394641}
    .article-content ul,.article-content ol{padding-left:25px;margin:15px 0 24px}
    .article-content li{padding:3px 0}
    .article-content blockquote{
      margin:28px 0;padding:18px 22px;border-left:4px solid var(--gold);
      border-radius:0 12px 12px 0;background:var(--green-light);color:#475651
    }
    .article-content img{border-radius:14px;margin:25px auto}
    .article-content table{
      width:100%;border-collapse:collapse;margin:25px 0;
      font-size:14px;overflow:hidden
    }
    .article-content th,.article-content td{
      padding:12px 14px;border:1px solid var(--line);text-align:left
    }
    .article-content th{background:var(--green-light);color:var(--green-dark)}
    .article-content a{color:var(--green);font-weight:700;text-decoration:underline;text-decoration-color:rgba(183,138,74,.6);text-underline-offset:3px}
    .empty-state{text-align:center;padding:65px 20px}
    .empty-icon{
      width:58px;height:58px;border-radius:18px;background:var(--green-light);
      color:var(--green);display:grid;place-items:center;margin:0 auto 18px;
      font-size:24px
    }
    .empty-state h2{margin:0 0 10px;font-size:25px;color:var(--green-dark)}
    .empty-state p{color:var(--muted);margin-bottom:25px}
    .article-aside{position:sticky;top:105px}
    .aside-card{
      background:var(--green-dark);color:#fff;border-radius:var(--radius);
      padding:24px;box-shadow:var(--shadow)
    }
    .aside-card h2{font-size:18px;margin:0 0 18px}
    .aside-card p{color:#c8d7d1;font-size:14px;margin:0 0 20px}
    .aside-card .aside-line{
      border-top:1px solid rgba(255,255,255,.16);
      padding-top:13px;margin-top:13px;
      display:flex;justify-content:space-between;gap:12px;
      color:#dce9e3;font-size:13px
    }
    .aside-card .aside-line strong{color:#e6c891}
    .notice-section{padding:0 0 82px}
    .notice-box{
      display:flex;gap:18px;align-items:flex-start;
      padding:25px 28px;border:1px solid #d7e4da;
      border-radius:var(--radius);background:var(--green-light)
    }
    .notice-symbol{
      width:38px;height:38px;border-radius:12px;background:var(--green);
      color:#fff;display:grid;place-items:center;font-weight:800;flex:none
    }
    .notice-box h2{margin:0 0 6px;color:var(--green-dark);font-size:19px}
    .notice-box p{margin:0;color:#52615b;font-size:14px}
    .support-section{padding:0 0 92px}
    .support-panel{
      padding:34px 38px;border-radius:var(--radius-lg);
      background:#e8eee9;border:1px solid var(--line);
      display:flex;align-items:center;justify-content:space-between;gap:28px
    }
    .support-panel h2{margin:0 0 7px;color:var(--green-dark);font-size:25px}
    .support-panel p{margin:0;color:var(--muted);font-size:14px}
    .support-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
    .site-footer{padding:58px 0 24px;background:var(--green-dark);color:#dbe7e1}
    .footer-grid{
      display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px;
      padding-bottom:42px
    }
    .footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:12px}
    .footer-brand p{margin:0;color:#a9bdb5;font-size:14px;max-width:280px}
    .footer-col h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer-col a{display:block;color:#a9bdb5;font-size:13px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#e6c891}
    .copyright{
      border-top:1px solid rgba(255,255,255,.14);padding-top:19px;
      display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;
      color:#91aaa0;font-size:12px
    }
    @media(max-width:1100px){
      .main-nav a{padding-left:8px;padding-right:8px}
      .brand{min-width:190px}
      .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:35px}
    }
    @media(max-width:900px){
      .header-action{display:none}
      .article-layout{display:block}
      .article-aside{position:static;margin-top:28px}
      .aside-card{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
      .aside-card h2,.aside-card p{grid-column:1/-1}
      .aside-card .aside-line{margin-top:0}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 34px),var(--max))}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:block}
      .main-nav{
        display:none;position:absolute;left:17px;right:17px;top:74px;
        padding:12px;background:var(--white);border:1px solid var(--line);
        border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .main-nav.is-open{display:flex}
      .main-nav a{padding:12px 14px;border-radius:9px}
      .main-nav a.active:after{display:none}
      .main-nav a.active{background:var(--green-light)}
      .article-hero{padding:48px 0 45px}
      .article-heading h1{font-size:34px}
      .article-section{padding:52px 0}
      .article-content{padding:25px 20px}
      .article-content h2{font-size:24px}
      .notice-section,.support-section{padding-bottom:52px}
      .support-panel{display:block;padding:27px 23px}
      .support-actions{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .brand-text strong{font-size:13px}
      .brand-text span{font-size:9px}
      .brand{min-width:0}
      .brand-mark{width:34px;height:34px}
      .article-heading h1{font-size:29px}
      .article-intro{font-size:15px}
      .article-content{border-radius:16px}
      .aside-card{display:block}
      .aside-card .aside-line{margin-top:13px}
      .support-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }

/* roulang page: category2 */
:root{--green:#164b45;--green-dark:#102c29;--green-light:#edf2ee;--gold:#b78a4a;--cream:#f7f5ef;--white:#fff;--text:#263330;--muted:#69736f;--line:#dde4de;--radius:16px;--radius-lg:24px;--shadow:0 12px 32px rgba(16,44,41,.08);--shadow-hover:0 18px 42px rgba(16,44,41,.14);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{text-decoration:none;color:inherit}
    img{display:block;max-width:100%}
    button{font:inherit}
    a:focus,button:focus{outline:3px solid rgba(183,138,74,.35);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(221,228,222,.85)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--green);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);flex:none}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid var(--gold);border-radius:50%}
    .brand-mark:before{inset:8px}.brand-mark:after{inset:13px}
    .brand-text strong{display:block;font-size:15px;line-height:1.2;color:var(--green)}
    .brand-text span{display:block;font-size:10px;color:var(--muted);white-space:nowrap}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{position:relative;padding:10px 11px;color:#46534f;font-size:14px;font-weight:700;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:.25s}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(22,75,69,.18)}
    .btn-primary:hover{background:#1c625a;color:#fff;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--green);color:var(--green);background:transparent}
    .btn-secondary:hover{background:var(--green-light)}
    .menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--green-dark);line-height:1.25}
    h1{font-size:clamp(34px,5vw,60px);letter-spacing:-.04em}
    h2{font-size:clamp(27px,3vw,40px);margin-bottom:14px}
    h3{font-size:20px}
    .section{padding:92px 0}
    .section-soft{background:var(--green-light)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:20px;height:1px;background:var(--gold)}
    .lead{font-size:17px;color:var(--muted);max-width:680px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:38px}
    .section-head p{margin:0;color:var(--muted)}
    .page-intro{padding:78px 0 70px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-intro:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(183,138,74,.25);border-radius:50%;right:-100px;top:-170px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:end}
    .intro-copy{position:relative;z-index:1}
    .intro-copy h1{margin:16px 0 20px;max-width:650px}
    .intro-note{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);position:relative;z-index:1}
    .intro-note strong{display:block;color:var(--green);font-size:17px;margin-bottom:15px}
    .data-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .data-cell{padding:14px 12px;border-top:1px solid var(--line)}
    .data-cell b{display:block;color:var(--green-dark);font-size:18px}
    .data-cell span{color:var(--muted);font-size:12px}
    .download-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px;align-items:center}
    .app-visual{min-height:350px;background:var(--green);border-radius:var(--radius-lg);padding:34px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .app-visual:before{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-110px;top:-90px}
    .app-icon{width:86px;height:86px;border-radius:25px;background:var(--cream);display:grid;place-items:center;color:var(--green);font-size:32px;font-weight:800;box-shadow:0 15px 30px rgba(0,0,0,.16);position:relative}
    .app-icon:after{content:"";position:absolute;inset:16px;border:2px solid var(--gold);border-radius:50%}
    .app-visual h3{color:#fff;margin:26px 0 7px;position:relative}
    .app-visual p{color:#d5e3dd;position:relative;font-size:14px}
    .safe-label{position:absolute;bottom:28px;left:34px;right:34px;border-top:1px solid rgba(255,255,255,.22);padding-top:16px;color:#d5e3dd;font-size:13px}
    .download-copy h2{margin:12px 0 17px}
    .version-box{display:flex;gap:16px;flex-wrap:wrap;margin:25px 0}
    .info-chip{padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;min-width:130px}
    .info-chip span{display:block;color:var(--muted);font-size:12px}
    .info-chip b{color:var(--green);font-size:16px}
    .download-actions{display:flex;gap:12px;flex-wrap:wrap}
    .security-tip{margin-top:20px;padding:14px 16px;background:var(--green-light);border-left:3px solid var(--gold);font-size:13px;color:#52605b}
    .device-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px;align-items:stretch}
    .device-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;min-height:270px;transition:.25s;position:relative;overflow:hidden}
    .device-card:hover,.update-card:hover,.faq-item:hover,.matrix-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(22,75,69,.4)}
    .device-card.large{background:var(--green);color:#fff;min-height:310px}
    .device-card.large h3{color:#fff}
    .device-card h3{margin:12px 0 8px;font-size:18px}
    .device-card p{color:var(--muted);font-size:14px}
    .device-card.large p{color:#d5e3dd}
    .mini-screen{height:142px;border-radius:13px;background:var(--green-light);border:1px solid #d4e1d9;padding:15px;position:relative}
    .large .mini-screen{background:#245d55;border-color:rgba(255,255,255,.18)}
    .mini-line{height:8px;border-radius:5px;background:rgba(22,75,69,.22);margin-bottom:10px;width:72%}
    .large .mini-line{background:rgba(255,255,255,.28)}
    .mini-line.short{width:45%}
    .mini-block{height:45px;border-radius:9px;background:#fff;margin-top:17px}
    .large .mini-block{background:rgba(255,255,255,.15)}
    .device-tag{display:inline-block;color:var(--gold);font-size:12px;font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:30px 24px 20px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-num{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:800;margin-bottom:18px;position:relative}
    .step:not(:last-child) .step-num:after{content:"";position:absolute;left:48px;top:18px;width:calc(100% + 115px);height:1px;background:var(--gold);opacity:.55}
    .step h3{font-size:17px;margin-bottom:8px}
    .step p{font-size:14px;color:var(--muted);margin-bottom:0}
    .update-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}
    .update-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.25s}
    .update-card.current{background:var(--green);color:#fff;padding:32px}
    .update-card.current h3{color:#fff;font-size:28px}
    .update-card.current p{color:#d5e3dd}
    .update-card ul{padding-left:20px;margin:18px 0 0}
    .update-card li{margin:8px 0;color:var(--muted)}
    .current li{color:#d5e3dd}
    .update-list{display:grid;gap:14px}
    .update-line{display:flex;justify-content:space-between;gap:20px;padding-bottom:17px;border-bottom:1px solid var(--line)}
    .update-line:last-child{border-bottom:0;padding-bottom:0}
    .update-line b{color:var(--green-dark)}
    .update-line span{color:var(--muted);font-size:13px;white-space:nowrap}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;transition:.25s}
    .faq-item summary{cursor:pointer;color:var(--green-dark);font-weight:800;list-style:none;padding-right:25px;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;top:-3px;color:var(--gold);font-size:22px;font-weight:400}
    .faq-item[open]{border-left:3px solid var(--green)}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:13px 0 0}
    .matrix{padding:75px 0;background:var(--green-dark);color:#fff}
    .matrix h2{color:#fff}
    .matrix .section-head p{color:#c9d8d1}
    .matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .matrix-item{padding:20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:14px;transition:.25s}
    .matrix-item:hover{background:rgba(255,255,255,.12)}
    .matrix-item strong{display:block;color:#fff;margin-bottom:4px}
    .matrix-item span{font-size:13px;color:#c9d8d1}
    .site-footer{background:var(--green-dark);color:#d5e3dd;border-top:1px solid rgba(255,255,255,.1);padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}
    .footer-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:12px}
    .footer-brand p{color:#a9c0b7;font-size:14px;max-width:270px}
    .footer-col h3{color:#fff;font-size:15px;margin-bottom:14px}
    .footer-col a{display:block;color:#a9c0b7;font-size:13px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:20px;color:#8fa9a0;font-size:12px}
    @media(max-width:992px){
      .main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:13px}.brand{min-width:190px}
      .intro-grid,.download-layout,.update-layout{grid-template-columns:1fr;gap:35px}
      .device-grid{grid-template-columns:1fr 1fr}.device-card.large{grid-column:1/-1}
      .steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .step:not(:last-child) .step-num:after{display:none}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .nav-wrap{height:70px}.menu-toggle{display:block}.nav-cta{display:none}
      .main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--cream);padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}.main-nav a{padding:12px 8px}.main-nav a.active:after{left:8px;right:auto;width:28px;bottom:4px}
      .page-intro{padding:58px 0 48px}.section{padding:68px 0}
      .section-head{display:block;margin-bottom:28px}.section-head p{margin-top:10px}
      .faq-grid,.matrix-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-brand{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin:6px 0}
    }
    @media(max-width:520px){
      h1{font-size:36px}.hero-actions,.download-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}.data-row{grid-template-columns:1fr 1fr}.device-grid{grid-template-columns:1fr}
      .device-card.large{grid-column:auto}.steps{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}
      .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.brand-text span{font-size:9px}
    }

/* roulang page: category3 */
:root{
      --green:#164b45;
      --green-dark:#102c29;
      --green-light:#edf2ee;
      --gold:#b78a4a;
      --cream:#f7f5ef;
      --white:#fff;
      --text:#263330;
      --muted:#69736f;
      --line:#dde4de;
      --radius:16px;
      --radius-lg:24px;
      --shadow:0 12px 32px rgba(16,44,41,.08);
      --shadow-hover:0 18px 42px rgba(16,44,41,.14);
      --max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button{font:inherit}
    button,a{outline:none}
    a:focus,button:focus{outline:3px solid rgba(183,138,74,.35);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(221,228,222,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--green);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid var(--gold);border-radius:50%}
    .brand-mark:before{inset:8px}.brand-mark:after{inset:13px}
    .brand-text strong{display:block;font-size:15px;line-height:1.2;color:var(--green)}
    .brand-text span{display:block;font-size:10px;color:var(--muted);white-space:nowrap}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{position:relative;padding:10px 11px;color:#46534f;font-size:14px;font-weight:700;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
    .nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:11px;background:var(--green);color:#fff;font-size:13px;font-weight:700;transition:.25s}
    .nav-cta:hover{background:#1c625a;transform:translateY(-2px);color:#fff}
    .menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
    .section{padding:92px 0}
    .section-soft{background:var(--green-light)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:20px;height:1px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.035em;color:var(--green-dark);font-weight:800}
    h2{font-size:clamp(26px,3vw,38px);line-height:1.25;color:var(--green-dark);font-weight:800}
    h3{color:var(--green-dark);line-height:1.35}
    .lead{font-size:17px;color:var(--muted);max-width:680px}
    .page-intro{padding:78px 0 72px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .page-intro:after{content:"";position:absolute;right:-90px;bottom:-180px;width:430px;height:430px;border:1px solid rgba(183,138,74,.35);border-radius:50%}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
    .intro-copy{position:relative;z-index:1}
    .intro-copy h1{max-width:700px;margin:16px 0 20px}
    .guide-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;position:relative;z-index:1}
    .summary-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
    .summary-item b{display:block;color:var(--green);font-size:22px;margin-bottom:3px}
    .summary-item span{font-size:12px;color:var(--muted)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}
    .section-head p{margin:0;color:var(--muted);max-width:530px}
    .starter-grid{display:grid;grid-template-columns:1.25fr .8fr .95fr;grid-template-rows:1fr 1fr;gap:16px}
    .guide-card{min-height:170px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s;position:relative;overflow:hidden}
    .guide-card:hover,.article-row:hover,.index-card:hover,.entry-card:hover{transform:translateY(-4px);border-color:rgba(22,75,69,.4);box-shadow:var(--shadow-hover)}
    .guide-card:first-child{grid-row:span 2;background:var(--green);color:#fff}
    .guide-card:first-child h3{color:#fff}
    .guide-card:first-child p{color:#d6e4df}
    .guide-card:nth-child(2){grid-column:2}
    .guide-card:nth-child(3){grid-column:3}
    .guide-card:nth-child(4){grid-column:2 / 4}
    .guide-num{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:10px;background:#f4ecdf;color:#875f29;font-weight:800;font-size:13px;margin-bottom:22px}
    .guide-card:first-child .guide-num{background:rgba(255,255,255,.14);color:#f1d7aa}
    .guide-card h3{font-size:20px;margin-bottom:9px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0;max-width:430px}
    .article-layout{display:grid;grid-template-columns:1fr 290px;gap:56px;align-items:start}
    .article-list{display:flex;flex-direction:column;gap:12px}
    .article-row{display:grid;grid-template-columns:62px 1fr auto;align-items:center;gap:22px;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s}
    .article-index{font-size:22px;font-weight:800;color:var(--gold)}
    .article-row h3{font-size:17px;margin:0 0 4px}
    .article-row p{font-size:13px;color:var(--muted);margin:0}
    .article-meta{font-size:12px;color:var(--muted);white-space:nowrap}
    .text-link{color:var(--green);font-weight:800;font-size:14px;border-bottom:1px solid rgba(22,75,69,.3);padding-bottom:3px}
    .index-panel{background:var(--green-dark);border-radius:var(--radius-lg);padding:26px;color:#fff;position:sticky;top:105px}
    .index-panel h3{color:#fff;font-size:20px;margin-bottom:18px}
    .index-card{display:flex;gap:12px;padding:15px 0;border-top:1px solid rgba(255,255,255,.14);transition:.25s}
    .index-card:first-of-type{border-top:0}
    .index-icon{color:#e2c28f;font-size:18px;line-height:1.4}
    .index-card b{display:block;font-size:14px;color:#fff}
    .index-card span{display:block;font-size:12px;color:#b9cbc4}
    .problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .problem-card{padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:150px}
    .problem-card strong{display:block;color:var(--green);font-size:15px;margin-bottom:9px}
    .problem-card p{font-size:13px;color:var(--muted);margin:0}
    .step-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
    .step-visual{min-height:330px;border-radius:var(--radius-lg);background:#e3ece5;padding:28px;position:relative;overflow:hidden}
    .screen-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:end;height:260px}
    .mock-screen{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px;box-shadow:var(--shadow);height:185px}
    .mock-screen:nth-child(2){height:230px;background:var(--green);color:#fff}
    .mock-screen:nth-child(3){height:205px}
    .mock-line{height:7px;width:72%;border-radius:8px;background:var(--green-light);margin-bottom:12px}
    .mock-screen:nth-child(2) .mock-line{background:rgba(255,255,255,.2)}
    .mock-block{height:55px;border-radius:9px;background:#f0f4ef;margin-top:18px}
    .mock-screen:nth-child(2) .mock-block{background:rgba(255,255,255,.13)}
    .steps{display:flex;flex-direction:column;gap:20px}
    .step{display:grid;grid-template-columns:42px 1fr;gap:15px;align-items:start}
    .step-number{width:36px;height:36px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
    .step h3{font-size:17px;margin:0 0 4px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .notice-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;padding:38px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg)}
    .notice-box h2{margin-bottom:12px}
    .notice-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .notice-item{padding:17px;border-left:3px solid var(--gold);background:var(--cream);border-radius:0 12px 12px 0}
    .notice-item b{display:block;color:var(--green-dark);font-size:14px;margin-bottom:4px}
    .notice-item span{color:var(--muted);font-size:13px}
    .entries{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .entry-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s}
    .entry-card b{display:block;color:var(--green);font-size:14px;margin-bottom:5px}
    .entry-card span{font-size:12px;color:var(--muted)}
    .site-footer{background:var(--green-dark);color:#d9e5df;padding:64px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:38px;padding-bottom:48px}
    .footer-brand strong{display:block;color:#fff;font-size:17px;line-height:1.5;margin-bottom:12px}
    .footer-brand p{color:#a9bdb5;font-size:13px;max-width:270px;margin:0}
    .footer-col h3{color:#fff;font-size:14px;margin:0 0 14px}
    .footer-col a{display:block;color:#a9bdb5;font-size:13px;margin:8px 0;transition:.2s}
    .footer-col a:hover{color:#e6c993}
    .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:18px;color:#91aaa1;font-size:12px}
    @media(max-width:992px){
      .nav-cta{display:none}
      .intro-grid,.step-wrap{grid-template-columns:1fr;gap:35px}
      .article-layout{grid-template-columns:1fr}
      .index-panel{position:static}
      .starter-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
      .guide-card:first-child{grid-row:auto}.guide-card:nth-child(2),.guide-card:nth-child(3),.guide-card:nth-child(4){grid-column:auto}
      .problem-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-col:last-child{grid-column:2}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .nav-wrap{height:68px}
      .brand{min-width:0}
      .brand-text span{display:none}
      .main-nav{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .menu-toggle{display:block}
      .section{padding:64px 0}
      .page-intro{padding:58px 0}
      .guide-summary{grid-template-columns:1fr}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:10px}
      .starter-grid,.problem-grid,.entries,.notice-list{grid-template-columns:1fr}
      .article-row{grid-template-columns:38px 1fr}
      .article-meta{grid-column:2}
      .notice-box{grid-template-columns:1fr;gap:24px;padding:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin-top:7px}
    }
    @media(max-width:480px){
      h1{font-size:35px}
      h2{font-size:28px}
      .intro-copy .lead{font-size:15px}
      .article-row{padding:17px 15px;gap:12px}
      .article-row h3{font-size:15px}
      .step-visual{padding:16px;min-height:260px}
      .screen-stack{height:220px;gap:7px}
      .mock-screen{height:145px!important;padding:10px}
      .mock-block{height:40px}
    }

/* roulang page: category4 */
:root{--green:#164b45;--green-dark:#102c29;--green-light:#edf2ee;--gold:#b78a4a;--cream:#f7f5ef;--white:#fff;--text:#263330;--muted:#69736f;--line:#dde4de;--radius:16px;--radius-lg:24px;--shadow:0 12px 32px rgba(16,44,41,.08);--shadow-hover:0 18px 42px rgba(16,44,41,.14);--max:1200px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button{font:inherit}
    button,a{outline:none}
    .container{width:min(calc(100% - 48px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,245,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(221,228,222,.8)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;min-width:220px}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--green);position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:1px solid var(--gold);border-radius:50%}
    .brand-mark:before{inset:8px}.brand-mark:after{inset:13px}
    .brand-text strong{display:block;font-size:15px;line-height:1.2;color:var(--green)}
    .brand-text span{display:block;font-size:10px;color:var(--muted);white-space:nowrap}
    .main-nav{display:flex;align-items:center;gap:5px}
    .main-nav a{position:relative;padding:10px 11px;color:#46534f;font-size:14px;font-weight:700;transition:.25s}
    .main-nav a:hover,.main-nav a.active{color:var(--green)}
    .main-nav a.active:after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--gold);border-radius:2px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:.25s}
    .btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 18px rgba(22,75,69,.18)}
    .btn-primary:hover{background:#1c625a;transform:translateY(-2px)}
    .btn-secondary{border-color:var(--green);color:var(--green);background:transparent}
    .btn-secondary:hover{background:var(--green-light)}
    .btn:focus,a:focus,summary:focus{outline:3px solid rgba(183,138,74,.35);outline-offset:3px}
    .menu-toggle{display:none;background:none;border:0;color:var(--green);font-size:25px}
    .section{padding:96px 0}
    .section-soft{background:var(--green-light)}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:20px;height:1px;background:var(--gold)}
    .lead{font-size:17px;color:var(--muted);max-width:680px;margin:15px 0 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}
    .section-head h2{margin:8px 0 0;color:var(--green-dark);font-size:32px;line-height:1.35;font-weight:800}
    .section-head p{margin:0;color:var(--muted);max-width:480px}
    .page-intro{position:relative;overflow:hidden;padding:68px 0 58px;border-bottom:1px solid var(--line)}
    .page-intro:before{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(183,138,74,.24);border-radius:50%;right:-180px;top:-285px}
    .page-intro:after{content:"";position:absolute;width:200px;height:200px;border:28px solid rgba(22,75,69,.06);border-radius:50%;right:12%;bottom:-112px}
    .crumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px}
    .crumb a:hover{color:var(--green)}
    .page-intro h1{position:relative;z-index:1;max-width:760px;margin:20px 0 0;color:var(--green-dark);font-size:clamp(33px,5vw,54px);line-height:1.2;font-weight:800;letter-spacing:-.04em}
    .page-intro h1 span{color:var(--green)}
    .intro-copy{position:relative;z-index:1;max-width:715px;margin:19px 0 0;font-size:17px;color:var(--muted)}
    .intro-notes{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .tag{padding:6px 12px;border:1px solid var(--line);border-radius:100px;background:rgba(255,255,255,.74);font-size:12px;font-weight:700;color:#52605b}
    .service-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:58px;align-items:start}
    .service-aside{position:sticky;top:108px;padding:30px;background:var(--green-dark);border-radius:var(--radius-lg);color:#fff;overflow:hidden}
    .service-aside:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-68px;bottom:-80px}
    .service-aside .eyebrow{color:#d6b179}.service-aside .eyebrow:before{background:#d6b179}
    .service-aside h2{position:relative;z-index:1;margin:14px 0;font-size:30px;line-height:1.35;font-weight:800}
    .service-aside p{position:relative;z-index:1;margin:0;color:#c8d8d2;font-size:14px}
    .aside-line{position:relative;z-index:1;margin-top:28px;padding-top:21px;border-top:1px solid rgba(255,255,255,.17);font-size:13px;color:#dce8e4}
    .service-list{display:grid;gap:12px}
    .service-row{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .service-row:hover{transform:translateX(4px);border-color:rgba(22,75,69,.42);box-shadow:var(--shadow)}
    .service-num{width:44px;height:44px;border-radius:13px;background:#f4ecdf;color:#875f29;display:grid;place-items:center;font-size:14px;font-weight:800}
    .service-row h3{margin:0 0 6px;color:var(--green-dark);font-size:18px;font-weight:800}
    .service-row p{margin:0;color:var(--muted);font-size:14px}
    .security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .security-card{min-height:230px;padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
    .security-card:hover{transform:translateY(-4px);border-color:rgba(22,75,69,.42);box-shadow:var(--shadow-hover)}
    .security-icon{width:46px;height:46px;border-radius:14px;background:var(--green-light);color:var(--green);display:grid;place-items:center;font-size:21px;font-weight:800}
    .security-card h3{margin:20px 0 9px;font-size:18px;font-weight:800;color:var(--green-dark)}
    .security-card p{margin:0;color:var(--muted);font-size:14px}
    .document-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .document-card{padding:34px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .document-card h2{margin:11px 0;font-size:28px;color:var(--green-dark);font-weight:800}
    .document-card p{color:var(--muted);margin:0 0 20px}
    .doc-items{display:grid;gap:0;border-top:1px solid var(--line)}
    .doc-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
    .doc-item b{font-size:15px;color:var(--green-dark)}
    .doc-item span{font-size:13px;color:var(--muted)}
    .doc-arrow{color:var(--gold);font-size:20px}
    .notice-card{padding:34px;background:var(--green);border-radius:var(--radius-lg);color:#fff;position:relative;overflow:hidden}
    .notice-card:before{content:"";position:absolute;inset:auto -52px -78px auto;width:220px;height:220px;border-radius:50%;border:1px solid rgba(255,255,255,.23)}
    .notice-card h3{position:relative;margin:14px 0;font-size:24px;font-weight:800}
    .notice-card p{position:relative;margin:0;color:#d6e3de;font-size:14px}
    .notice-list{position:relative;margin:22px 0 0;padding:0;list-style:none}
    .notice-list li{position:relative;padding:10px 0 10px 20px;border-top:1px solid rgba(255,255,255,.15);font-size:14px}
    .notice-list li:before{content:"";position:absolute;left:1px;top:20px;width:7px;height:7px;border:1px solid #d6b179;border-radius:50%}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
    .process:before{content:"";position:absolute;height:1px;background:rgba(183,138,74,.55);top:34px;left:11%;right:11%}
    .process-step{position:relative;padding:0 14px 8px}
    .process-num{position:relative;z-index:1;width:68px;height:68px;border-radius:50%;background:var(--cream);border:1px solid var(--gold);display:grid;place-items:center;color:#875f29;font-weight:800}
    .process-step h3{margin:18px 0 7px;color:var(--green-dark);font-size:17px;font-weight:800}
    .process-step p{margin:0;color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    details{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:.25s}
    details[open]{border-color:rgba(22,75,69,.55);box-shadow:var(--shadow)}
    summary{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:68px;color:var(--green-dark);font-weight:800;cursor:pointer;list-style:none}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--gold);font-size:22px;font-weight:400}
    details[open] summary:after{content:"－"}
    details p{margin:0;padding:0 0 20px;color:var(--muted);font-size:14px}
    .channel-wrap{padding:44px;background:var(--green-dark);border-radius:var(--radius-lg);color:#fff}
    .channel-top{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:25px}
    .channel-top h2{margin:7px 0 0;font-size:29px;font-weight:800}
    .channel-top p{margin:0;max-width:490px;color:#bfd1ca;font-size:14px}
    .channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .channel-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 17px;border:1px solid rgba(255,255,255,.18);border-radius:13px;color:#f4f7f5;font-weight:700;font-size:14px;transition:.25s}
    .channel-link:hover{background:rgba(255,255,255,.1);border-color:#d6b179;transform:translateY(-3px)}
    .channel-link span{color:#d6b179;font-size:19px}
    .site-footer{background:var(--green-dark);color:#dce8e4;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.55fr repeat(3,1fr);gap:42px;padding-bottom:42px}
    .footer-brand strong{display:block;color:#fff;font-size:17px;line-height:1.5}
    .footer-brand p{margin:12px 0 0;max-width:315px;color:#aebfba;font-size:14px}
    .footer-col h3{margin:0 0 14px;color:#d6b179;font-size:14px;font-weight:800}
    .footer-col a{display:block;margin:8px 0;color:#c9d6d1;font-size:14px;transition:.2s}
    .footer-col a:hover{color:#fff;transform:translateX(3px)}
    .copyright{padding-top:21px;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#9dafaa;font-size:12px}
    @media (max-width:1100px){
      .brand{min-width:auto}.main-nav a{padding:10px 8px}.security-grid{grid-template-columns:repeat(2,1fr)}.channel-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:860px){
      .nav-wrap{height:70px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 24px 18px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:10px 0}.main-nav a.active:after{left:0;right:auto;width:28px;bottom:5px}
      .header-cta{display:none}.section{padding:68px 0}.page-intro{padding:52px 0 46px}.service-layout,.document-grid{grid-template-columns:1fr;gap:24px}.service-aside{position:relative;top:auto}.process{grid-template-columns:repeat(2,1fr);row-gap:28px}.process:before{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}
    }
    @media (max-width:600px){
      .container{width:min(calc(100% - 32px),var(--max))}.brand-text span{max-width:205px;overflow:hidden;text-overflow:ellipsis}.page-intro h1{font-size:34px}.intro-copy{font-size:15px}.section-head{display:block;margin-bottom:26px}.section-head h2{font-size:27px}.section-head p{margin-top:10px}.service-row{grid-template-columns:48px 1fr;padding:20px 17px;gap:13px}.security-grid,.faq-grid,.channel-grid{grid-template-columns:1fr}.security-card{min-height:auto}.process{grid-template-columns:1fr;gap:14px}.process-step{display:grid;grid-template-columns:68px 1fr;column-gap:17px;padding:0}.process-step h3{margin:4px 0 6px}.process-step p{grid-column:2}.channel-wrap{padding:30px 21px}.channel-top{display:block}.channel-top h2{font-size:25px}.channel-top p{margin-top:10px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-brand{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin:5px 0}
    }