/* roulang page: index */
:root{
  --orange:#ef754f;
  --orange-dark:#cf5637;
  --ink:#202b27;
  --green:#173d35;
  --green-2:#285a4b;
  --cream:#fbf7f0;
  --paper:#fffdf9;
  --muted:#718079;
  --line:#e8dfd4;
  --soft:#f4ebe1;
  --radius:20px;
  --shadow:0 18px 45px rgba(32,43,39,.09);
  --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,247,240,.94);border-bottom:1px solid rgba(232,223,212,.85);backdrop-filter:blur(12px)}
.navbar{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:5px 5px 0 #f2c8a6}
.logo-text{font-size:18px}.logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600;line-height:1}
.nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-links a{padding:9px 13px;border-radius:10px;color:#56635d;font-size:14px;font-weight:650}
.nav-links a:hover,.nav-links a.active{color:var(--orange-dark);background:#f8e7dc}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:750;font-size:14px;transition:.25s ease}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 7px 0 #d95d3e}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 9px 0 #b9482f}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--green);color:#fff}
.btn-light{background:#fff;color:var(--green)}
.btn-light:hover{background:#f8d9c6}
.menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
.hero{padding:88px 0 80px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:380px;height:380px;border:1px solid #edcdb8;border-radius:50%;right:-150px;top:-100px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:75px}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(40px,5vw,68px);line-height:1.12;letter-spacing:-.065em;margin:18px 0 22px;max-width:680px}
.hero-copy>p{font-size:18px;color:#617068;max-width:590px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{display:flex;gap:22px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.hero-note strong{display:block;color:var(--ink);font-size:16px}
.hero-art{min-height:440px;position:relative;background:var(--green);border-radius:28px;padding:25px;overflow:hidden;box-shadow:var(--shadow)}
.hero-art:before{content:"W";position:absolute;font-size:300px;font-weight:900;line-height:1;color:rgba(255,255,255,.045);right:-18px;bottom:-78px}
.art-top{display:flex;justify-content:space-between;color:#d9e5dd;font-size:13px}.status-dot{color:#f5ae70}
.art-panel{position:absolute;background:var(--paper);color:var(--ink);border-radius:18px;padding:22px;box-shadow:0 18px 35px rgba(0,0,0,.18)}
.panel-main{left:25px;right:85px;top:92px}.panel-main h3{font-size:25px;line-height:1.3;margin:10px 0 16px}.panel-main p{font-size:13px;color:var(--muted)}
.panel-label{font-size:11px;color:var(--orange-dark);font-weight:800}
.panel-line{height:9px;background:#f0e5db;border-radius:9px;margin:10px 0}.panel-line.short{width:62%}.panel-line.orange{background:var(--orange);width:78%}
.panel-side{right:22px;bottom:32px;width:180px;background:#f5d8c5}.panel-side strong{font-size:30px;display:block;color:var(--green)}
section{padding:96px 0}.soft-section{background:var(--soft)}.dark-section{background:var(--green);color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-head h2{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.045em;margin:10px 0 0}
.section-head p{color:var(--muted);max-width:480px;margin:0}
.dark-section .section-head p{color:#b9c9c1}
.index-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.index-cell{padding:25px 22px;border-right:1px solid var(--line)}.index-cell:last-child{border:0}
.index-cell b{display:block;font-size:12px;color:var(--orange-dark);margin-bottom:9px}.index-cell strong{font-size:18px}
.download-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
.download-copy h2{font-size:42px;line-height:1.2;letter-spacing:-.05em;margin:12px 0 20px}.download-copy p{color:var(--muted);max-width:510px}
.download-box{margin-top:28px;display:flex;gap:15px;align-items:center}.qr{width:88px;height:88px;border:8px solid #fff;background:repeating-linear-gradient(45deg,#1e332d 0 5px,#fff 5px 9px);border-radius:9px}
.download-meta{font-size:12px;color:var(--muted)}.download-meta strong{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
.device-stage{height:390px;background:#f1d8c5;border-radius:28px;position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden}.device-stage:before{content:"";position:absolute;width:400px;height:400px;border:1px solid rgba(239,117,79,.3);border-radius:50%}
.device{width:205px;height:350px;border:8px solid #22342e;border-radius:29px;background:#fff;position:relative;z-index:1;box-shadow:22px 20px 0 rgba(23,61,53,.12);padding:28px 15px 15px}.device:before{content:"";position:absolute;top:10px;left:50%;transform:translateX(-50%);width:62px;height:5px;border-radius:4px;background:#22342e}
.device h4{font-size:18px;margin:9px 0 13px}.device-card{height:64px;border-radius:10px;background:#f8e5d8;margin:9px 0;padding:10px;font-size:11px}.device-card b{display:block;font-size:13px}.device-card.green{background:#dbe8df}
.news-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:28px}.feature-news,.news-list{background:var(--paper);border:1px solid var(--line);border-radius:18px}.feature-news{padding:30px;min-height:310px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(145deg,#fffdf9 40%,#f5dccb)}
.feature-news h3{font-size:28px;line-height:1.3;margin:12px 0}.feature-news p{color:var(--muted);max-width:520px}.news-list{padding:10px 25px}.news-item{display:grid;grid-template-columns:82px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-date{font-size:12px;color:var(--orange-dark);font-weight:750}.news-item h3{font-size:16px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0}.tag{display:inline-flex;padding:4px 9px;border-radius:99px;background:#f8e5d8;color:var(--orange-dark);font-size:11px;font-weight:750}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-left:1px solid #537467}.timeline-item{padding:4px 28px 5px;border-right:1px solid #537467}.timeline-item time{font-size:12px;color:#f4af80}.timeline-item h3{font-size:18px;margin:9px 0 5px}.timeline-item p{font-size:13px;color:#b9c9c1;margin:0}
.editorial{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.story{padding:28px;border-radius:18px;background:#fff;border:1px solid var(--line);min-height:190px}.story.large{background:var(--green);color:#fff;min-height:310px;display:flex;flex-direction:column;justify-content:end}.story p{color:var(--muted);font-size:14px}.story.large p{color:#c0d0c8}.story h3{font-size:25px;line-height:1.35}.story:not(.large) h3{font-size:19px}.story-stack{display:grid;gap:22px}
.rank-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}.rank-copy h2{font-size:40px;line-height:1.2;margin:12px 0}.rank-copy p{color:#b9c9c1}.rank-list{border-top:1px solid #537467}.rank-row{display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid #537467}.rank-no{font-size:25px;color:#f2a372;font-weight:800}.rank-row h3{font-size:16px;margin:0}.rank-row small{color:#abc0b5}.rank-state{font-size:12px;color:#f2c09c}
.feature-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.flow-card{padding:25px 20px;border:1px solid var(--line);background:var(--paper);border-radius:16px}.flow-num{color:var(--orange);font-size:13px;font-weight:900}.flow-card h3{font-size:18px;margin:14px 0 6px}.flow-card p{font-size:13px;color:var(--muted);margin:0}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.guide-visual{background:#e4eee7;border-radius:22px;padding:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.guide-tile{background:#fff;padding:25px 18px;border-radius:14px}.guide-tile strong{display:block;color:var(--green);font-size:22px}.guide-tile span{font-size:13px;color:var(--muted)}.guide-copy h2{font-size:38px;line-height:1.25;margin:12px 0}.guide-copy p{color:var(--muted)}.steps{list-style:none;padding:0;margin:25px 0}.steps li{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}.steps b{color:var(--orange)}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.service-card{padding:28px;border:1px solid var(--line);background:var(--paper);border-radius:18px}.service-card h3{font-size:22px;margin:0 0 8px}.service-card p{color:var(--muted);margin:0}.service-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.service-points span{padding:7px 11px;border-radius:8px;background:var(--soft);font-size:12px}
.faq{max-width:850px;margin:auto}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;padding:22px 0;border:0;background:none;text-align:left;display:flex;justify-content:space-between;color:var(--ink);font-weight:750;font-size:17px}.faq-q span{color:var(--orange);font-size:23px}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 22px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta-section{padding:70px 0;background:var(--green);color:#fff}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{font-size:35px;line-height:1.25;margin:0 0 10px}.cta-box p{color:#b9c9c1;margin:0}.feedback{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:25px}.feedback input,.feedback select,.feedback textarea{width:100%;border:1px solid #48675c;background:#214a40;color:#fff;border-radius:9px;padding:12px 14px;outline:0}.feedback textarea{grid-column:1/-1;min-height:86px;resize:vertical}.feedback input:focus,.feedback select:focus,.feedback textarea:focus{border-color:#f2a372;box-shadow:0 0 0 3px rgba(242,163,114,.18)}.form-status{font-size:12px;color:#f5c19d;margin-top:10px}
.site-footer{background:#102e28;color:#bdd0c6;padding:55px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}.footer-brand p{font-size:13px;max-width:280px;color:#89a79a}.footer-title{color:#fff;font-weight:750;margin-bottom:15px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover{color:#f1a477}.copyright{border-top:1px solid #34564b;padding-top:20px;font-size:12px;color:#78968b;display:flex;justify-content:space-between;gap:15px}
@media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px}.hero-grid{gap:35px}.feature-flow{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(100% - 36px,var(--container))}.navbar{height:70px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;left:18px;right:18px;top:76px;background:var(--paper);padding:12px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.show{display:flex}.nav-links a{padding:12px}.nav-actions{display:none}.hero{padding:60px 0}.hero-grid,.download-grid,.news-grid,.editorial,.rank-layout,.guide-grid,.service-grid{grid-template-columns:1fr}.hero-art{min-height:360px}.section-head{display:block}.section-head p{margin-top:14px}.index-strip{grid-template-columns:1fr 1fr}.index-cell:nth-child(2){border-right:0}.index-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}.timeline{grid-template-columns:1fr;border-left:0}.timeline-item{padding:18px 0;border-right:0;border-bottom:1px solid #537467}.rank-layout{gap:28px}.cta-box{display:block}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
@media(max-width:520px){h1{font-size:39px}.hero-copy>p{font-size:16px}.hero-note{gap:12px}.hero-art{padding:18px}.panel-main{left:18px;right:30px}.panel-side{right:12px;width:145px}.download-copy h2,.guide-copy h2,.rank-copy h2{font-size:31px}.download-box{align-items:flex-start;flex-wrap:wrap}.feature-flow{grid-template-columns:1fr}.guide-visual{padding:15px}.news-item{grid-template-columns:1fr;gap:4px}.feedback{grid-template-columns:1fr}.feedback textarea{grid-column:auto}.footer-grid{grid-template-columns:1fr}.copyright{font-size:11px}}
:focus-visible{outline:3px solid #f2a372;outline-offset:3px}

/* roulang page: article */
:root{
      --orange:#ef754f;
      --orange-dark:#cf5637;
      --ink:#202b27;
      --green:#173d35;
      --green-2:#285a4b;
      --cream:#fbf7f0;
      --paper:#fffdf9;
      --muted:#718079;
      --line:#e8dfd4;
      --soft:#f4ebe1;
      --soft-green:#e1ece5;
      --radius:20px;
      --shadow:0 18px 45px rgba(32,43,39,.09);
      --container:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--cream);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--orange-dark)}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(239,117,79,.45);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,247,240,.95);
      border-bottom:1px solid rgba(232,223,212,.85);
      backdrop-filter:blur(12px);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{
      width:36px;height:36px;border-radius:12px 12px 12px 4px;
      background:var(--orange);display:grid;place-items:center;color:#fff;
      font-size:18px;box-shadow:5px 5px 0 #f2c8a6;
    }
    .logo-text{font-size:18px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600;line-height:1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#56635d;font-size:14px;font-weight:650}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark);background:#f8e7dc}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:12px;
      font-weight:750;font-size:14px;transition:.25s ease;
    }
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 7px 0 #d95d3e}
    .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 9px 0 #b9482f}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green);color:#fff}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:#f8d9c6;color:var(--green)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
    .article-hero{padding:54px 0 50px;background:var(--soft);border-bottom:1px solid var(--line)}
    .breadcrumb{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      color:var(--muted);font-size:13px;margin-bottom:28px;
    }
    .breadcrumb span{color:#b1aaa0}
    .breadcrumb a{text-decoration:underline;text-decoration-color:#d8c8bb;text-underline-offset:4px}
    .article-heading{max-width:900px}
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);
      font-size:12px;font-weight:800;letter-spacing:.12em;
    }
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .article-heading h1{
      margin:14px 0 18px;font-size:clamp(34px,5vw,58px);line-height:1.2;
      letter-spacing:-.045em;overflow-wrap:anywhere;
    }
    .article-heading .lead{max-width:760px;color:#617068;font-size:18px;margin:0}
    .article-meta{
      display:flex;align-items:center;gap:14px;flex-wrap:wrap;
      margin-top:25px;color:var(--muted);font-size:13px;
    }
    .tag{
      display:inline-flex;padding:4px 10px;border-radius:99px;
      background:#f8e5d8;color:var(--orange-dark);font-size:11px;font-weight:750;
    }
    .meta-divider{width:4px;height:4px;border-radius:50%;background:#c4b8ac}
    main{overflow:hidden}
    .reading-section{padding:70px 0 90px}
    .reading-layout{
      display:grid;grid-template-columns:minmax(0,780px) 300px;
      gap:70px;align-items:start;justify-content:center;
    }
    .article-content{
      min-width:0;background:var(--paper);border:1px solid var(--line);
      border-radius:18px;padding:clamp(26px,5vw,58px);
      box-shadow:var(--shadow);
    }
    .article-content h2{font-size:30px;line-height:1.35;margin:36px 0 15px}
    .article-content h3{font-size:21px;line-height:1.45;margin:28px 0 12px}
    .article-content p{font-size:17px;line-height:1.95;margin:0 0 22px;color:#394740}
    .article-content ul,.article-content ol{padding-left:24px;margin:0 0 24px;color:#394740}
    .article-content li{padding:4px 0;line-height:1.85}
    .article-content blockquote{
      margin:30px 0;padding:18px 22px;border-left:4px solid var(--orange);
      background:var(--soft);color:var(--green);font-weight:650;
    }
    .article-content img{width:100%;border-radius:12px;margin:28px 0}
    .article-content table{width:100%;border-collapse:collapse;margin:25px 0;overflow:hidden}
    .article-content th,.article-content td{padding:12px 14px;border:1px solid var(--line);text-align:left}
    .article-content th{background:var(--soft);color:var(--green)}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:35px 0}
    .empty-article{text-align:center;padding:48px 20px}
    .empty-article strong{display:block;font-size:24px;margin-bottom:14px}
    .empty-article p{font-size:15px;color:var(--muted);margin-bottom:25px}
    .reading-aside{position:sticky;top:105px}
    .aside-card{
      background:var(--green);color:#fff;border-radius:18px;padding:25px;
      margin-bottom:18px;box-shadow:var(--shadow);
    }
    .aside-card h2{font-size:20px;line-height:1.4;margin:0 0 16px}
    .aside-card p{color:#b9c9c1;font-size:13px;margin:0 0 20px}
    .aside-list{padding:0;margin:0;list-style:none}
    .aside-list li{border-top:1px solid rgba(255,255,255,.16);padding:11px 0;color:#dce8e1;font-size:13px}
    .aside-list li:before{content:"";display:inline-block;width:6px;height:6px;background:var(--orange);margin:0 9px 2px 0;border-radius:50%}
    .info-card{border:1px solid var(--line);background:var(--paper);border-radius:16px;padding:22px}
    .info-card h3{font-size:17px;margin:0 0 14px}
    .info-row{display:flex;justify-content:space-between;gap:15px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}
    .info-row:last-child{border-bottom:0}
    .info-row span{color:var(--muted)}
    .download-strip{padding:0 0 88px}
    .download-panel{
      display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;
      background:var(--green);color:#fff;border-radius:22px;padding:34px 40px;
      position:relative;overflow:hidden;
    }
    .download-panel:after{
      content:"W";position:absolute;right:25px;bottom:-72px;font-size:220px;
      line-height:1;font-weight:900;color:rgba(255,255,255,.045);pointer-events:none;
    }
    .download-panel h2{font-size:28px;line-height:1.3;margin:0 0 8px;position:relative;z-index:1}
    .download-panel p{color:#b9c9c1;margin:0;position:relative;z-index:1}
    .download-actions{display:flex;gap:12px;position:relative;z-index:1}
    .related-section{padding:84px 0;background:var(--soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.2vw,40px);line-height:1.2;letter-spacing:-.045em;margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:470px;margin:0}
    .related-empty{
      border:1px dashed #cdbfaf;background:rgba(255,253,249,.55);
      border-radius:16px;padding:27px;color:var(--muted);font-size:14px;
    }
    .feedback-section{padding:88px 0;background:var(--cream)}
    .feedback-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:start}
    .feedback-copy h2{font-size:clamp(30px,4vw,44px);line-height:1.25;margin:12px 0 16px}
    .feedback-copy p{color:var(--muted);max-width:430px}
    .feedback-points{display:grid;gap:10px;margin-top:25px}
    .feedback-point{display:flex;gap:12px;align-items:center;color:var(--green);font-weight:650;font-size:14px}
    .feedback-point b{
      width:25px;height:25px;border-radius:50%;background:#f8d9c6;
      color:var(--orange-dark);display:grid;place-items:center;font-size:12px;
    }
    .feedback-form{
      background:var(--paper);border:1px solid var(--line);border-radius:18px;
      padding:30px;box-shadow:var(--shadow);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;font-weight:750;color:var(--green)}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--line);border-radius:10px;
      background:#fff;padding:11px 13px;color:var(--ink);transition:.2s ease;
    }
    .field textarea{min-height:125px;resize:vertical}
    .field input:hover,.field select:hover,.field textarea:hover{border-color:#d4a38d}
    .field input:focus,.field select:focus,.field textarea:focus{
      outline:0;border-color:var(--orange);box-shadow:0 0 0 4px rgba(239,117,79,.12)
    }
    .form-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:22px}
    .form-note{font-size:12px;color:var(--muted);margin:0}
    .form-status{display:none;margin:16px 0 0;padding:10px 13px;border-radius:9px;font-size:13px}
    .form-status.success{display:block;background:var(--soft-green);color:var(--green)}
    .site-footer{background:var(--green);color:#fff;padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
    .footer-brand p{color:#b9c9c1;max-width:270px;font-size:13px;margin:18px 0 0}
    .site-footer .logo-text small{color:#a9c1b4}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b9c9c1;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{
      border-top:1px solid rgba(255,255,255,.15);padding-top:20px;
      display:flex;justify-content:space-between;gap:20px;color:#9fb5aa;font-size:12px;
    }
    @media (max-width:1024px){
      .navbar{gap:18px}
      .nav-links a{padding:8px 8px;font-size:13px}
      .reading-layout{grid-template-columns:minmax(0,1fr) 260px;gap:30px}
      .feedback-grid{gap:35px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-actions{display:none}
      .nav-links{
        display:none;position:absolute;top:70px;left:0;right:0;margin:0;
        padding:14px 18px;background:var(--cream);border-bottom:1px solid var(--line);
        flex-direction:column;align-items:stretch;box-shadow:0 14px 25px rgba(32,43,39,.08)
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 14px}
      .article-hero{padding:38px 0 40px}
      .article-heading h1{font-size:37px}
      .reading-section{padding:48px 0 60px}
      .reading-layout{display:block}
      .reading-aside{position:static;margin-top:24px}
      .download-panel{grid-template-columns:1fr;padding:28px}
      .download-actions{flex-wrap:wrap}
      .feedback-grid{grid-template-columns:1fr;gap:30px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .copyright{display:grid;gap:5px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo-text{font-size:16px}
      .logo-text small{font-size:8px}
      .article-heading h1{font-size:31px}
      .article-heading .lead{font-size:16px}
      .article-content{padding:24px 20px}
      .article-content p{font-size:16px}
      .article-content h2{font-size:25px}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .form-foot{display:grid;justify-content:stretch}
      .form-foot .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .site-footer{padding-top:48px}
    }

/* roulang page: category1 */
:root{
      --orange:#ef754f;
      --orange-dark:#cf5637;
      --ink:#202b27;
      --green:#173d35;
      --green-2:#285a4b;
      --cream:#fbf7f0;
      --paper:#fffdf9;
      --muted:#718079;
      --line:#e8dfd4;
      --soft:#f4ebe1;
      --soft-green:#e3eee8;
      --radius:20px;
      --shadow:0 18px 45px rgba(32,43,39,.09);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--orange-dark)}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(239,117,79,.42);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(251,247,240,.94);border-bottom:1px solid rgba(232,223,212,.85);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:5px 5px 0 #f2c8a6}
    .logo-text{font-size:18px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600;line-height:1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#56635d;font-size:14px;font-weight:650}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark);background:#f8e7dc}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:750;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 7px 0 #d95d3e}
    .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 9px 0 #b9482f}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green);color:#fff}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:#f8d9c6;color:var(--green)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
    main{overflow:hidden}
    .page-hero{padding:72px 0 60px;background:var(--paper);border-bottom:1px solid var(--line);position:relative}
    .page-hero:after{content:"01";position:absolute;right:7%;bottom:-38px;color:#f5e6d9;font-size:180px;font-weight:900;line-height:1;z-index:0}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:27px;position:relative;z-index:1}
    .breadcrumb span{color:#b8a99c}
    .hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:70px;align-items:end;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.16;letter-spacing:-.055em;margin:15px 0 20px;max-width:760px}
    .hero-summary{max-width:700px;color:#617068;font-size:18px;margin-bottom:0}
    .hero-index{border-left:3px solid var(--orange);padding:13px 0 13px 22px}
    .hero-index strong{display:block;color:var(--green);font-size:25px;line-height:1.2;margin-bottom:8px}
    .hero-index span{color:var(--muted);font-size:13px}
    section{padding:82px 0}
    .soft-section{background:var(--soft)}
    .dark-section{background:var(--green);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.045em;margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:480px;margin:0}
    .dark-section .section-head p{color:#b9c9c1}
    .filter-panel{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 22px;background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:0 8px 24px rgba(32,43,39,.04)}
    .filter-label{font-weight:800;color:var(--green);font-size:14px;white-space:nowrap}
    .filter-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .filter-tabs button{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:99px;padding:7px 14px;font-size:13px;transition:.2s ease}
    .filter-tabs button:hover,.filter-tabs button.active{background:var(--orange);border-color:var(--orange);color:#fff}
    .sort-select{border:1px solid var(--line);border-radius:10px;background:var(--cream);color:var(--green);padding:9px 12px;font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start}
    .featured-story{min-height:360px;padding:34px;background:linear-gradient(145deg,#fffdf9 38%,#f5dccb);border:1px solid var(--line);border-radius:20px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}
    .featured-story:before{content:"W";position:absolute;right:-20px;top:-55px;color:rgba(239,117,79,.12);font-size:280px;font-weight:900;line-height:1}
    .story-content{position:relative;z-index:1}
    .tag{display:inline-flex;padding:4px 10px;border-radius:99px;background:#f8e5d8;color:var(--orange-dark);font-size:11px;font-weight:750}
    .featured-story h3{font-size:30px;line-height:1.35;margin:15px 0 10px;max-width:560px}
    .featured-story p{color:var(--muted);max-width:540px;margin-bottom:22px}
    .story-meta{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:12px}
    .story-meta span+span{padding-left:14px;border-left:1px solid #d6c7b9}
    .article-list{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:7px 27px}
    .article-item{display:grid;grid-template-columns:88px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
    .article-item:last-child{border-bottom:0}
    .article-date{color:var(--orange-dark);font-size:13px;font-weight:800;line-height:1.35}
    .article-date small{display:block;color:var(--muted);font-weight:500;margin-top:3px}
    .article-item h3{font-size:17px;line-height:1.45;margin:0 0 5px}
    .article-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .article-empty{padding:55px 20px;text-align:center;color:var(--muted);font-size:14px}
    .more-row{display:flex;justify-content:center;margin-top:30px}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .notice-card{padding:25px 24px;background:var(--paper);border:1px solid var(--line);border-radius:16px;transition:.25s ease}
    .notice-card:hover{transform:translateY(-4px);border-color:#e4b49b;box-shadow:var(--shadow)}
    .notice-card .number{color:var(--orange);font-size:13px;font-weight:800}
    .notice-card h3{font-size:19px;line-height:1.45;margin:14px 0 8px}
    .notice-card p{font-size:13px;color:var(--muted);margin-bottom:15px}
    .notice-card time{font-size:12px;color:var(--muted)}
    .support-strip{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
    .support-card{padding:30px;border-radius:18px;border:1px solid var(--line);background:var(--paper)}
    .support-card.green{background:var(--green);color:#fff;border-color:var(--green)}
    .support-card h3{font-size:23px;margin:12px 0 8px}
    .support-card p{color:var(--muted);font-size:14px;margin-bottom:20px}
    .support-card.green p{color:#b9c9c1}
    .support-list{list-style:none;padding:0;margin:0}
    .support-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
    .support-card.green .support-list li{border-color:#42675b}
    .support-list li:before{content:"✓";color:var(--orange);font-weight:800}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;border:0;background:transparent;text-align:left;padding:20px 0;color:var(--ink);font-weight:750}
    .faq-question span:last-child{color:var(--orange);font-size:22px;font-weight:400}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 42px 20px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 44px;background:var(--green);border-radius:22px;color:#fff;box-shadow:var(--shadow)}
    .cta-box h2{font-size:30px;line-height:1.3;margin:0 0 8px}
    .cta-box p{color:#b9c9c1;margin:0;font-size:14px}
    .site-footer{background:#102f29;color:#fff;padding:64px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
    .footer-brand p{max-width:290px;color:#a9beb5;font-size:13px;margin:18px 0 0}
    .site-footer .logo-text{color:#fff}
    .site-footer .logo-text small{color:#91aaa0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#a9beb5;font-size:13px}
    .footer-links a:hover{color:#f6ab87}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #31564b;color:#8ea79d;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:14px}
      .nav-links a{padding:8px 9px}
      .hero-layout{grid-template-columns:1fr 290px;gap:35px}
      .news-layout{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}
      .nav-actions .btn{min-height:40px;padding:0 13px;font-size:13px}
      .menu-toggle{display:block;margin-left:2px}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:78px;padding:13px;background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:4px}
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 13px}
      .hero-layout{grid-template-columns:1fr}
      .hero-index{margin-top:18px}
      .page-hero{padding:52px 0 50px}
      .page-hero:after{font-size:110px;right:1%;bottom:-20px}
      section{padding:62px 0}
      .filter-panel{align-items:flex-start;flex-direction:column}
      .filter-tabs{overflow:auto;flex-wrap:nowrap;width:100%;padding-bottom:3px}
      .filter-tabs button{white-space:nowrap}
      .sort-select{width:100%}
      .notice-grid,.support-strip{grid-template-columns:1fr}
      .cta-box{align-items:flex-start;flex-direction:column;padding:30px 25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:last-child{grid-column:auto}
      .copyright{flex-direction:column;gap:5px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}
      .logo-text{font-size:16px}
      .logo-text small{font-size:8px}
      .logo-mark{width:32px;height:32px}
      .nav-actions .btn{font-size:0;width:42px;padding:0}
      .nav-actions .btn:after{content:"↓";font-size:18px}
      h1{font-size:38px}
      .hero-summary{font-size:16px}
      .article-list{padding:5px 18px}
      .article-item{grid-template-columns:68px 1fr;gap:14px;padding:18px 0}
      .article-item h3{font-size:15px}
      .featured-story{min-height:330px;padding:25px}
      .featured-story h3{font-size:24px}
      .support-card{padding:24px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --orange:#ef754f;
      --orange-dark:#cf5637;
      --ink:#202b27;
      --green:#173d35;
      --green-2:#285a4b;
      --cream:#fbf7f0;
      --paper:#fffdf9;
      --muted:#718079;
      --line:#e8dfd4;
      --soft:#f4ebe1;
      --radius:20px;
      --shadow:0 18px 45px rgba(32,43,39,.09);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(239,117,79,.42);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(251,247,240,.94);border-bottom:1px solid rgba(232,223,212,.85);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:5px 5px 0 #f2c8a6}
    .logo-text{font-size:18px;line-height:1.1}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600;line-height:1.3}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#56635d;font-size:14px;font-weight:650}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark);background:#f8e7dc}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:750;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 7px 0 #d95d3e}
    .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 9px 0 #b9482f;color:#fff}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green);color:#fff}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:#f8d9c6;color:var(--green)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px;padding:4px}
    section{padding:82px 0}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
    .section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3vw,40px);line-height:1.22;letter-spacing:-.045em;margin:10px 0 0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:0 0 25px;padding:0;color:var(--muted);font-size:13px}
    .breadcrumb span{color:#b39f90}
    .page-intro{padding:64px 0 42px;position:relative;overflow:hidden}
    .page-intro:after{content:"";width:320px;height:320px;position:absolute;right:-105px;top:-160px;border:1px solid #edcdb8;border-radius:50%}
    .page-intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:end}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-.065em;margin:13px 0 20px;max-width:820px}
    .intro-copy{font-size:18px;color:#607067;max-width:730px;margin:0}
    .intro-stamp{background:var(--green);border-radius:20px;padding:25px;color:#fff;position:relative;overflow:hidden}
    .intro-stamp:after{content:"APP";position:absolute;right:-8px;bottom:-24px;color:rgba(255,255,255,.08);font-size:72px;font-weight:900}
    .intro-stamp strong{display:block;font-size:17px;position:relative}
    .intro-stamp p{color:#bdd0c6;font-size:13px;margin:9px 0 0;position:relative}
    .filter-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:17px 0;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .filter-label{font-size:13px;font-weight:800;color:var(--green)}
    .filter-tags{display:flex;gap:9px;flex-wrap:wrap}
    .filter-tag{border:1px solid var(--line);background:var(--paper);border-radius:99px;padding:7px 13px;font-size:13px;color:#63716a}
    .filter-tag.active,.filter-tag:hover{border-color:#efb69f;background:#f8e7dc;color:var(--orange-dark)}
    .download-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:stretch}
    .device-select{background:var(--green);border-radius:24px;padding:34px;color:#fff;position:relative;overflow:hidden}
    .device-select:before{content:"W";position:absolute;right:-16px;bottom:-95px;font-size:250px;font-weight:900;color:rgba(255,255,255,.045)}
    .device-select h2{font-size:29px;line-height:1.28;margin:12px 0}
    .device-select p{font-size:14px;color:#c3d3cc;margin:0 0 25px;position:relative}
    .device-option{position:relative;display:flex;align-items:center;gap:14px;padding:15px 0;border-top:1px solid rgba(255,255,255,.18)}
    .device-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:rgba(255,255,255,.13);font-weight:850}
    .device-option strong{display:block;font-size:15px}
    .device-option small{display:block;color:#bcd0c4;font-size:12px}
    .install-panel{border:1px solid var(--line);background:var(--paper);border-radius:24px;padding:30px}
    .install-top{display:flex;gap:24px;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line)}
    .qr-box{width:94px;height:94px;flex:0 0 94px;border-radius:13px;background:repeating-linear-gradient(45deg,#d8d0c6 0 4px,#fffdf9 4px 8px);border:8px solid #fff;box-shadow:0 4px 15px rgba(32,43,39,.08);display:grid;place-items:center;font-size:11px;color:#5c6b63;text-align:center;line-height:1.4}
    .install-top h3{font-size:23px;margin:0 0 6px}
    .install-top p{font-size:13px;color:var(--muted);margin:0}
    .version-row{display:flex;gap:12px;flex-wrap:wrap;margin:23px 0}
    .meta-pill{padding:7px 11px;border-radius:9px;background:var(--soft);color:#647067;font-size:12px}
    .meta-pill b{color:var(--ink)}
    .install-actions{display:flex;gap:12px;flex-wrap:wrap}
    .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .step-card{position:relative;padding:26px 22px 22px;background:var(--paper);border:1px solid var(--line);border-radius:17px;min-height:198px;transition:.25s ease}
    .step-card:hover{transform:translateY(-4px);border-color:#efb69f;box-shadow:var(--shadow)}
    .step-no{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#f8e5d8;color:var(--orange-dark);font-weight:850;font-size:13px}
    .step-card h3{font-size:19px;margin:20px 0 8px}
    .step-card p{font-size:14px;color:var(--muted);margin:0}
    .preview-section{background:var(--soft)}
    .preview-grid{display:grid;grid-template-columns:1fr .85fr;gap:55px;align-items:center}
    .screen-stage{min-height:405px;position:relative;background:#ecd4c2;border-radius:28px;overflow:hidden}
    .screen-stage:before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;border:1px solid rgba(239,117,79,.38);top:44px;left:50%;transform:translateX(-50%)}
    .phone{position:absolute;width:195px;height:360px;border:9px solid #202b27;border-radius:30px;background:#fffdf9;left:50%;bottom:-40px;transform:translateX(-50%);box-shadow:0 20px 36px rgba(32,43,39,.24);overflow:hidden}
    .phone-bar{height:35px;background:var(--green);padding:13px 13px 0;color:#fff;font-size:8px}
    .phone-banner{height:86px;margin:10px;border-radius:10px;background:linear-gradient(135deg,#ef754f,#f5b78e);padding:12px;color:#fff;font-size:11px;font-weight:800}
    .phone-list{margin:10px}
    .phone-line{height:27px;margin:8px 0;border-radius:8px;background:#f4ebe1}
    .phone-line:nth-child(2){width:78%;background:#dce9df}
    .preview-copy h2{font-size:clamp(28px,3.3vw,40px);line-height:1.25;margin:10px 0 17px;letter-spacing:-.045em}
    .preview-copy>p{color:var(--muted);margin-bottom:25px}
    .feature-list{list-style:none;padding:0;margin:0}
    .feature-list li{display:flex;gap:13px;padding:15px 0;border-top:1px solid var(--line);font-size:15px}
    .feature-list i{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:#dbe8df;color:var(--green);font-style:normal;font-size:13px;font-weight:900;display:grid;place-items:center}
    .notice-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .notice-card{padding:31px;background:var(--paper);border:1px solid var(--line);border-radius:20px}
    .notice-card h2{font-size:27px;margin:10px 0 13px;line-height:1.3}
    .notice-card p{color:var(--muted);margin:0}
    .safe-list{background:var(--green);color:#fff;border-radius:20px;padding:28px}
    .safe-list h3{font-size:20px;margin:0 0 13px}
    .safe-list ul{list-style:none;padding:0;margin:0}
    .safe-list li{padding:12px 0;border-top:1px solid rgba(255,255,255,.16);font-size:14px;color:#c5d5cd}
    .safe-list li:before{content:"✓";color:#f4af80;font-weight:900;margin-right:10px}
    .faq-section{padding-top:30px}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px;align-items:start}
    .faq-copy h2{font-size:clamp(28px,3vw,39px);line-height:1.28;margin:10px 0 14px;letter-spacing:-.045em}
    .faq-copy p{color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 0;background:transparent;border:0;color:var(--ink);font-size:16px;font-weight:760}
    .faq-question b{font-size:21px;color:var(--orange);font-weight:500;transition:.2s ease}
    .faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 34px 19px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question b{transform:rotate(45deg)}
    .download-cta{padding:72px 0}
    .cta-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;background:var(--green);border-radius:26px;padding:42px 48px;position:relative;overflow:hidden;color:#fff}
    .cta-box:after{content:"WENDING";position:absolute;right:-35px;bottom:-53px;font-size:98px;font-weight:900;color:rgba(255,255,255,.045)}
    .cta-box h2{font-size:clamp(28px,3vw,39px);line-height:1.2;margin:9px 0;position:relative}
    .cta-box p{color:#c0d1c8;margin:0;position:relative}
    .site-footer{background:#142f29;color:#fff;padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
    .footer-brand .logo{display:inline-flex}
    .footer-brand p{font-size:13px;color:#aec1b8;max-width:280px;margin:19px 0 0}
    .footer-title{font-size:14px;font-weight:800;margin:7px 0 16px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{font-size:13px;color:#aec1b8}
    .footer-links a:hover{color:#f4af80}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#9db3a8;font-size:12px}
    @media(max-width:1024px){
      .navbar{gap:18px}.nav-links a{padding:8px 9px}.nav-actions .btn-outline{display:none}
      .page-intro-grid,.preview-grid,.faq-grid{gap:32px}.download-layout{grid-template-columns:1fr}.device-select{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.device-select h2,.device-select p{grid-column:1/-1}
      .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .navbar{height:68px;gap:13px}.logo-text{font-size:16px}.logo-text small{font-size:8px}.nav-links{display:none}.nav-actions{margin-left:auto}.nav-actions .btn{min-height:39px;padding:0 13px;font-size:12px;box-shadow:none}.menu-toggle{display:block}
      .site-header.menu-open .nav-links{position:absolute;display:grid;gap:4px;top:68px;left:0;right:0;margin:0;padding:15px 16px 18px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:0 14px 24px rgba(32,43,39,.08)}.site-header.menu-open .nav-links a{padding:11px 13px}
      section{padding:62px 0}.page-intro{padding:46px 0 32px}.page-intro-grid{grid-template-columns:1fr}.intro-stamp{max-width:none}.intro-copy{font-size:16px}
      .section-head{display:block;margin-bottom:26px}.section-head p{margin-top:14px}.filter-bar{align-items:flex-start;flex-direction:column}.filter-tags{flex-wrap:nowrap;overflow:auto;width:100%;padding-bottom:3px}
      .steps-grid,.preview-grid,.notice-wrap,.faq-grid{grid-template-columns:1fr}.screen-stage{min-height:330px}.faq-copy{margin-bottom:3px}.cta-box{grid-template-columns:1fr;padding:34px 28px}.cta-box .btn{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:31px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:36px}.nav-actions .btn{padding:0 10px}.nav-actions .btn span{display:none}
      .install-panel{padding:21px}.install-top{align-items:flex-start;gap:15px}.qr-box{width:78px;height:78px;flex-basis:78px;font-size:9px}.install-top h3{font-size:19px}.install-actions .btn{width:100%}
      .device-select{display:block;padding:27px}.device-option{margin-top:2px}.steps-grid{gap:13px}.step-card{min-height:auto;padding:21px}.cta-box{padding:29px 22px}.footer-grid{grid-template-columns:1fr}.copyright{display:grid}
    }

/* roulang page: category3 */
:root{
      --orange:#ef754f;
      --orange-dark:#cf5637;
      --ink:#202b27;
      --green:#173d35;
      --green-2:#285a4b;
      --cream:#fbf7f0;
      --paper:#fffdf9;
      --muted:#718079;
      --line:#e8dfd4;
      --soft:#f4ebe1;
      --radius:20px;
      --shadow:0 18px 45px rgba(32,43,39,.09);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--orange-dark)}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(251,247,240,.95);border-bottom:1px solid rgba(232,223,212,.85);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:5px 5px 0 #f2c8a6}
    .logo-text{font-size:18px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600;line-height:1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#56635d;font-size:14px;font-weight:650}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark);background:#f8e7dc}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:750;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 7px 0 #d95d3e}
    .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 9px 0 #b9482f}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green);color:#fff}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:#f8d9c6}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
    main{overflow:hidden}
    .category-hero{padding:82px 0 72px;background:var(--soft);position:relative}
    .category-hero:after{content:"03";position:absolute;right:7%;top:30px;font-size:180px;font-weight:900;color:rgba(239,117,79,.1);line-height:1}
    .hero-copy{position:relative;z-index:1;max-width:780px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-.055em;margin:18px 0 20px}
    .hero-copy p{max-width:690px;color:#627169;font-size:18px;margin:0}
    .hero-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .tag{display:inline-flex;padding:5px 11px;border-radius:99px;background:#f8e5d8;color:var(--orange-dark);font-size:12px;font-weight:750}
    .tag.green{background:#dcebe2;color:var(--green-2)}
    section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.045em;margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:500px;margin:0}
    .filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:16px;margin-bottom:28px}
    .filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
    .filter-tabs button{border:1px solid var(--line);background:transparent;color:var(--muted);padding:8px 14px;border-radius:10px;font-size:13px}
    .filter-tabs button:hover,.filter-tabs button.active{background:var(--green);border-color:var(--green);color:#fff}
    .filter-note{font-size:13px;color:var(--muted);white-space:nowrap}
    .content-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .content-list{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:8px 28px}
    .content-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:start;padding:23px 0;border-bottom:1px solid var(--line)}
    .content-item:last-child{border-bottom:0}
    .content-date{font-size:13px;color:var(--orange-dark);font-weight:750;padding-top:3px}
    .content-item h3{font-size:19px;line-height:1.4;margin:0 0 6px}
    .content-item p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .content-arrow{font-size:22px;color:var(--orange);transition:.25s}
    .content-item:hover .content-arrow{transform:translateX(5px)}
    .empty-state{padding:65px 15px;text-align:center;color:var(--muted)}
    .feature-panel{background:var(--green);color:#fff;border-radius:20px;padding:30px;min-height:100%;position:relative;overflow:hidden}
    .feature-panel:after{content:"W";position:absolute;right:-20px;bottom:-75px;color:rgba(255,255,255,.05);font-size:260px;font-weight:900;line-height:1}
    .feature-panel>*{position:relative;z-index:1}
    .feature-panel .section-kicker{color:#f6ad83}
    .feature-panel h3{font-size:28px;line-height:1.3;margin:18px 0 14px}
    .feature-panel p{color:#bfd0c8;max-width:410px}
    .feature-list{padding:0;margin:25px 0 30px;list-style:none}
    .feature-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.15);color:#e3eee8}
    .feature-list li:before{content:"—";color:#f6ad83;margin-right:10px}
    .soft-section{background:var(--soft)}
    .topic-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
    .topic-main,.topic-side{border:1px solid var(--line);background:var(--paper);border-radius:18px;padding:30px}
    .topic-main{background:linear-gradient(145deg,#fffdf9 50%,#f5dccb)}
    .topic-main h3{font-size:30px;line-height:1.3;margin:14px 0}
    .topic-main p,.topic-side p{color:var(--muted)}
    .topic-side h3{font-size:21px;margin:0 0 18px}
    .topic-side ul{list-style:none;padding:0;margin:0}
    .topic-side li{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line);font-weight:650}
    .topic-side li span{color:var(--orange-dark);font-size:13px}
    .rank-section{background:var(--green);color:#fff}
    .rank-section .section-head p{color:#b9c9c1}
    .rank-list{border-top:1px solid #537467}
    .rank-row{display:grid;grid-template-columns:54px 1fr 130px;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid #537467}
    .rank-number{font-size:27px;color:#f4af80;font-weight:800}
    .rank-row h3{font-size:17px;margin:0}
    .rank-row small{color:#abc0b5}
    .rank-bar{height:7px;background:#31594e;border-radius:99px;overflow:hidden}
    .rank-bar i{display:block;height:100%;background:var(--orange);border-radius:99px}
    .faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:55px;align-items:start}
    .faq-intro p{color:var(--muted);max-width:400px}
    .faq-list details{border-bottom:1px solid var(--line);padding:17px 0}
    .faq-list summary{cursor:pointer;font-weight:750;list-style:none;padding-right:25px;position:relative}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";position:absolute;right:0;color:var(--orange);font-size:22px}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta-section{padding:68px 0}
    .cta-box{background:var(--orange);border-radius:22px;padding:38px 44px;display:flex;justify-content:space-between;align-items:center;gap:25px;color:#fff}
    .cta-box h2{font-size:30px;line-height:1.25;margin:0 0 8px}
    .cta-box p{margin:0;color:#fff0e8}
    .site-footer{background:#102e28;color:#fff;padding:60px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer-brand p{color:#a9beb5;font-size:14px;max-width:270px;margin-top:18px}
    .site-footer .logo-text{color:#fff}
    .site-footer .logo-text small{color:#9bb1a7}
    .footer-title{font-weight:800;margin-bottom:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#a9beb5;font-size:14px}
    .footer-links a:hover{color:#f4af80}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:45px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#91a9a0;font-size:12px}
    :focus-visible{outline:3px solid rgba(239,117,79,.45);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links{gap:2px}
      .nav-links a{padding:8px 8px}
      .content-layout,.topic-grid,.faq-grid{grid-template-columns:1fr}
      .feature-panel{min-height:300px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 18px;background:var(--cream);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{text-align:center}
      .nav-actions{display:none}
      .category-hero{padding:60px 0}
      section{padding:62px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .filter-bar{display:block}
      .filter-note{margin-top:13px}
      .content-item{grid-template-columns:72px 1fr}
      .content-arrow{display:none}
      .cta-box{display:block;padding:30px 25px}
      .cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }
    @media(max-width:520px){
      h1{font-size:38px}
      .hero-copy p{font-size:16px}
      .content-list{padding:5px 18px}
      .content-item{grid-template-columns:1fr;gap:3px}
      .content-date{font-size:12px}
      .topic-main,.topic-side{padding:23px}
      .topic-main h3{font-size:25px}
      .rank-row{grid-template-columns:40px 1fr}
      .rank-bar{grid-column:2}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category4 */
:root{
      --orange:#ef754f;
      --orange-dark:#cf5637;
      --ink:#202b27;
      --green:#173d35;
      --green-2:#285a4b;
      --cream:#fbf7f0;
      --paper:#fffdf9;
      --muted:#718079;
      --line:#e8dfd4;
      --soft:#f4ebe1;
      --radius:20px;
      --shadow:0 18px 45px rgba(32,43,39,.09);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--orange-dark)}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(251,247,240,.95);border-bottom:1px solid rgba(232,223,212,.85);backdrop-filter:blur(12px)}
    .navbar{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .logo-mark{width:36px;height:36px;border-radius:12px 12px 12px 4px;background:var(--orange);display:grid;place-items:center;color:#fff;font-size:18px;box-shadow:5px 5px 0 #f2c8a6}
    .logo-text{font-size:18px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600;line-height:1}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-links a{padding:9px 13px;border-radius:10px;color:#56635d;font-size:14px;font-weight:650}
    .nav-links a:hover,.nav-links a.active{color:var(--orange-dark);background:#f8e7dc}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:12px;font-weight:750;font-size:14px;transition:.25s ease}
    .btn-primary{background:var(--orange);color:#fff;box-shadow:0 7px 0 #d95d3e}
    .btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 9px 0 #b9482f}
    .btn-outline{border-color:var(--green);color:var(--green);background:transparent}
    .btn-outline:hover{background:var(--green);color:#fff}
    .btn-light{background:#fff;color:var(--green)}
    .btn-light:hover{background:#f8d9c6;color:var(--green)}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--green);font-size:26px}
    .page-hero{padding:82px 0 72px;background:var(--soft);border-bottom:1px solid var(--line)}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:28px}
    .breadcrumb a:hover{color:var(--orange-dark)}
    .breadcrumb span{color:#b4aaa0}
    .page-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--orange-dark);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:var(--orange)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.055em;margin:14px 0 22px}
    .page-hero-copy p{max-width:690px;color:#617068;font-size:18px;margin-bottom:0}
    .service-stamp{position:relative;min-height:220px;padding:28px;background:var(--green);border-radius:26px;color:#fff;overflow:hidden;box-shadow:var(--shadow)}
    .service-stamp:after{content:"W";position:absolute;right:-10px;bottom:-62px;color:rgba(255,255,255,.06);font-size:250px;font-weight:900;line-height:1}
    .stamp-label{position:relative;z-index:1;color:#f4af80;font-size:12px;letter-spacing:.12em;font-weight:800}
    .service-stamp strong{position:relative;z-index:1;display:block;max-width:300px;font-size:29px;line-height:1.3;margin:38px 0 9px}
    .service-stamp small{position:relative;z-index:1;color:#b9c9c1}
    section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.2vw,42px);line-height:1.2;letter-spacing:-.045em;margin:10px 0 0}
    .section-head p{color:var(--muted);max-width:510px;margin:0}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .service-card{position:relative;padding:26px 22px 24px;border:1px solid var(--line);background:var(--paper);border-radius:18px;min-height:230px;transition:.25s ease}
    .service-card:hover{transform:translateY(-5px);border-color:#e8b49a;box-shadow:var(--shadow)}
    .service-number{color:var(--orange);font-size:13px;font-weight:850;letter-spacing:.08em}
    .service-card h3{font-size:21px;line-height:1.35;margin:32px 0 10px}
    .service-card p{font-size:14px;color:var(--muted);margin:0}
    .service-card .arrow{position:absolute;right:22px;bottom:22px;color:var(--orange-dark);font-size:20px}
    .dark-section{background:var(--green);color:#fff}
    .dark-section .section-head p{color:#b9c9c1}
    .security-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:58px;align-items:start}
    .security-intro{padding-right:20px}
    .security-intro h2{font-size:clamp(30px,3.5vw,44px);line-height:1.18;letter-spacing:-.05em;margin:14px 0 18px}
    .security-intro p{color:#b9c9c1}
    .security-list{border-top:1px solid #537467}
    .security-item{display:grid;grid-template-columns:42px 1fr;gap:17px;padding:20px 0;border-bottom:1px solid #537467}
    .security-icon{width:32px;height:32px;border:1px solid #f4af80;border-radius:50%;display:grid;place-items:center;color:#f4af80;font-size:13px;font-weight:800}
    .security-item h3{font-size:18px;margin:0 0 5px}
    .security-item p{color:#b9c9c1;font-size:14px;margin:0}
    .filter-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px}
    .filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
    .filter-tabs button{border:1px solid var(--line);background:var(--paper);color:var(--muted);padding:8px 14px;border-radius:99px;font-size:13px;transition:.25s ease}
    .filter-tabs button:hover,.filter-tabs button.active{background:#f8e5d8;color:var(--orange-dark);border-color:#efc1aa}
    .service-search{min-height:42px;border:1px solid var(--line);border-radius:11px;background:var(--paper);padding:0 14px;color:var(--ink);outline:0;min-width:210px}
    .service-search:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(239,117,79,.14)}
    .content-layout{display:grid;grid-template-columns:1fr 310px;gap:28px;align-items:start}
    .content-list{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:8px 28px}
    .content-item{display:grid;grid-template-columns:76px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
    .content-item:last-child{border-bottom:0}
    .content-date{color:var(--orange-dark);font-size:12px;font-weight:750;line-height:1.4}
    .content-date span{display:block;color:var(--muted);font-weight:500;margin-top:3px}
    .content-item h3{font-size:18px;line-height:1.4;margin:0 0 5px}
    .content-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .content-arrow{color:var(--orange-dark);font-size:21px}
    .empty-state{padding:60px 20px;text-align:center;color:var(--muted);font-size:14px}
    .side-card{background:#f8e5d8;border:1px solid #edcdb8;border-radius:18px;padding:25px}
    .side-card h3{font-size:21px;line-height:1.35;margin:12px 0}
    .side-card p{color:#6e7169;font-size:14px;margin-bottom:22px}
    .side-points{list-style:none;padding:0;margin:0}
    .side-points li{display:flex;gap:9px;padding:10px 0;border-top:1px solid rgba(207,86,55,.2);font-size:13px}
    .side-points li:before{content:"＋";color:var(--orange-dark);font-weight:800}
    .process-section{background:#fffaf4}
    .process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .process-card{padding:27px;border:1px solid var(--line);background:var(--paper);border-radius:16px}
    .process-card .step{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--orange);color:#fff;font-weight:800}
    .process-card h3{font-size:19px;margin:20px 0 8px}
    .process-card p{font-size:14px;color:var(--muted);margin:0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}
    .faq-intro h2{font-size:clamp(30px,3.3vw,42px);line-height:1.2;letter-spacing:-.05em;margin:14px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list details{border-top:1px solid var(--line);padding:19px 0}
    .faq-list details:last-child{border-bottom:1px solid var(--line)}
    .faq-list summary{cursor:pointer;list-style:none;font-weight:750;padding-right:30px;position:relative}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"＋";position:absolute;right:0;color:var(--orange-dark);font-size:20px;top:-3px}
    .faq-list details[open] summary:after{content:"－"}
    .faq-answer{color:var(--muted);font-size:14px;padding:12px 30px 0 0}
    .cta-section{padding:70px 0}
    .cta-panel{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--ink);border-radius:24px;padding:38px 44px;color:#fff;overflow:hidden;position:relative}
    .cta-panel:after{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(239,117,79,.45);border-radius:50%;right:90px;top:-120px}
    .cta-panel h2{position:relative;z-index:1;font-size:clamp(25px,3vw,37px);line-height:1.25;margin:0 0 8px}
    .cta-panel p{position:relative;z-index:1;color:#bdc9c2;margin:0;max-width:650px}
    .cta-panel .btn{position:relative;z-index:1;flex:none}
    .site-footer{background:#102e29;color:#fff;padding:66px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:46px}
    .footer-brand .logo{color:#fff}
    .footer-brand .logo-text small{color:#91aaa0}
    .footer-brand p{color:#abc0b5;font-size:14px;max-width:275px;margin:18px 0 0}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:16px;color:#f4af80}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#c0d0c8;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #31574c;padding-top:20px;color:#8fa79e;font-size:12px}
    :focus-visible{outline:3px solid rgba(239,117,79,.55);outline-offset:3px}
    @media (max-width:1024px){
      .navbar{gap:16px}
      .nav-links{gap:2px}
      .nav-links a{padding:8px 9px}
      .page-hero-grid,.security-layout,.faq-grid{gap:35px}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .content-layout{grid-template-columns:1fr}
      .side-card{display:none}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .navbar{height:70px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:18px;right:18px;top:78px;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-actions{display:none}
      .page-hero{padding:54px 0 50px}
      .page-hero-grid,.security-layout,.faq-grid{grid-template-columns:1fr}
      .service-stamp{min-height:170px}
      .service-stamp strong{margin-top:24px}
      section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:12px}
      .filter-bar{display:block}
      .filter-tabs{flex-wrap:nowrap;overflow:auto;padding-bottom:8px}
      .service-search{width:100%;margin-top:10px}
      .process-grid{grid-template-columns:1fr}
      .content-item{grid-template-columns:58px 1fr auto;gap:12px}
      .content-item h3{font-size:16px}
      .content-item p{font-size:12px}
      .cta-panel{display:block;padding:30px 25px}
      .cta-panel .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-top:7px}
    }
    @media (max-width:520px){
      h1{font-size:38px}
      .service-grid{grid-template-columns:1fr}
      .content-list{padding:4px 17px}
      .content-item{grid-template-columns:1fr auto}
      .content-date{grid-column:1/-1}
      .content-item h3{margin-bottom:3px}
      .security-intro{padding:0}
      .footer-grid{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
    }