/* roulang page: index */
:root{
      --navy:#163b67;
      --blue:#2674b8;
      --sky:#4a9ddb;
      --mint:#2f8b7b;
      --ink:#1d2935;
      --muted:#667085;
      --soft:#eaf1f7;
      --ice:#f5f9fc;
      --warm:#fbfcfe;
      --line:#dce7f0;
      --white:#fff;
      --radius:18px;
      --shadow:0 14px 36px rgba(22,59,103,.09);
      --shadow-sm:0 7px 20px rgba(22,59,103,.07);
      --max:1240px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      background:var(--warm);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.85;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(74,157,219,.55);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 64px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}
    .section-head h2{font-size:38px;line-height:1.25;letter-spacing:-.03em;color:var(--navy)}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;border-bottom:1px solid transparent;transition:.25s}
    .text-link:after{content:"→";transition:.25s}
    .text-link:hover{color:var(--blue);border-color:var(--blue)}
    .text-link:hover:after{transform:translateX(4px)}
    .btn{min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s}
    .btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}
    .btn-primary:hover{background:var(--blue);transform:translateY(-2px)}
    .btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}
    .btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}
    .tag.mint{background:#eaf6f2;color:var(--mint)}
    .card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddeb}
    .card,.nav-item,.quick-item{transition:.25s}
    .site-header{padding:24px 0 8px;position:relative;z-index:20}
    .nav-panel{min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;padding:12px 14px 12px 20px;gap:18px}
    .brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}
    .brand-mark:before{width:17px;height:17px}
    .brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}
    .brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
    .nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap}
    .nav-item svg{width:17px;height:17px;stroke:currentColor}
    .nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}
    .nav-item.active{font-weight:700}
    .nav-cta{white-space:nowrap}
    .menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}
    .hero{padding:54px 0 45px}
    .hero-wrap{min-height:570px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
    .hero-copy{padding:18px 0 22px}
    .hero h1{font-size:clamp(42px,5.2vw,67px);line-height:1.12;letter-spacing:-.065em;color:var(--navy);max-width:620px;margin:20px 0 24px}
    .hero h1 em{font-style:normal;color:var(--blue)}
    .hero-lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:620px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 28px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px}
    .trust-pill{padding:8px 13px;background:#fff;border:1px solid var(--line);border-radius:10px;color:#53697c;font-size:13px}
    .hero-art{position:relative}
    .hero-image{height:490px;object-fit:cover;border-radius:32px 12px 32px 12px;box-shadow:var(--shadow);border:8px solid #fff}
    .hero-art:before{content:"";position:absolute;inset:-18px -18px auto auto;width:160px;height:160px;border:1px solid #cbdfea;border-radius:30px;z-index:-1}
    .hero-note{position:absolute;left:-34px;bottom:34px;width:220px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
    .hero-note strong{display:block;color:var(--navy);font-size:20px;margin-bottom:4px}
    .hero-note span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .hero-index{position:absolute;right:-20px;top:32px;padding:16px 18px;background:var(--navy);color:#fff;border-radius:14px;box-shadow:var(--shadow)}
    .hero-index small{display:block;color:#acd4ed;font-size:12px}
    .hero-index b{font-size:26px}
    .quick-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:26px}
    .quick-item{padding:16px 17px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;align-items:center;gap:12px}
    .quick-item:hover{border-color:var(--sky);background:#f8fcff}
    .quick-item b{font-size:14px;color:var(--navy)}
    .quick-item span{font-size:12px;color:var(--muted);display:block}
    .quick-icon{width:35px;height:35px;display:grid;place-items:center;background:var(--ice);border-radius:10px;color:var(--blue);flex:none}
    .quick-icon svg{width:18px;height:18px;stroke:currentColor}
    .soft-section{background:var(--ice);border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7}
    .directory{display:grid;grid-template-columns:225px 1fr;gap:42px}
    .side-index{position:sticky;top:22px;height:max-content}
    .side-index h3{font-size:20px;color:var(--navy);margin:16px 0 20px}
    .index-link{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .index-link b{font-size:12px;color:#9bb0c1}
    .index-link:hover,.index-link.current{color:var(--blue)}
    .index-link.current b{color:var(--blue)}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .feature-card{padding:26px;min-height:210px;position:relative;overflow:hidden}
    .feature-card.wide{grid-row:span 2;min-height:438px;display:flex;flex-direction:column;justify-content:end;background:var(--navy);color:#fff}
    .feature-card.wide:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,38,69,.9),rgba(10,38,69,.05) 65%),url('/assets/images/coverpic/cover-2.webp') center/cover;opacity:.78}
    .feature-card.wide>*{position:relative;z-index:1}
    .feature-card h3{font-size:22px;line-height:1.35;color:var(--navy);margin:14px 0 8px}
    .feature-card.wide h3{color:#fff;font-size:28px}
    .feature-card p{color:var(--muted);font-size:14px;line-height:1.8}
    .feature-card.wide p{color:#e4eef6}
    .feature-card .mini-line{display:flex;justify-content:space-between;align-items:center;margin-top:19px;color:var(--blue);font-size:13px}
    .feature-card.wide .mini-line{color:#b9def1}
    .line-icon{width:36px;height:36px;border:1px solid #cde0ed;border-radius:11px;display:grid;place-items:center;color:var(--blue)}
    .line-icon svg{width:19px;height:19px;stroke:currentColor}
    .deep-content{margin-top:68px;display:grid;grid-template-columns:1.05fr .75fr;gap:68px}
    .article-copy h2{font-size:32px;line-height:1.35;color:var(--navy);margin-bottom:20px}
    .article-copy h3{font-size:21px;color:var(--navy);margin:30px 0 8px}
    .article-copy p{color:#4d5e6d;margin:0 0 17px}
    .quote{border-left:4px solid var(--sky);padding:14px 20px;background:#f1f8fc;color:var(--navy);font-weight:700;margin:22px 0}
    .check-list{list-style:none;display:grid;gap:11px;margin-top:15px}
    .check-list li{position:relative;padding-left:27px;color:#526474}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;color:var(--mint);font-weight:800}
    .toc-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;align-self:start;position:sticky;top:22px}
    .toc-card h3{font-size:19px;color:var(--navy);margin-bottom:15px}
    .toc-card a{display:block;padding:11px 0;border-bottom:1px solid #edf2f5;color:var(--muted);font-size:14px}
    .toc-card a:hover{color:var(--blue)}
    .note-box{padding:18px;background:#eef7f5;border-radius:13px;color:#376d63;font-size:14px;margin-top:22px}
    .directory-panel{margin-top:75px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .directory-panel img{height:205px;object-fit:cover;border-radius:13px}
    .directory-panel h3{font-size:22px;color:var(--navy);margin-bottom:9px}
    .directory-panel p{color:var(--muted);font-size:15px}
    .scenario-lead{background:#eaf5fb;border-radius:24px;padding:30px;display:grid;grid-template-columns:5fr 7fr;gap:35px;align-items:center}
    .scenario-lead img{height:250px;object-fit:cover;border-radius:17px}
    .scenario-lead h3{font-size:27px;color:var(--navy);line-height:1.4;margin:15px 0}
    .scenario-lead p{color:#526879}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:1fr 1fr;gap:16px;margin-top:20px}
    .scenario-card{padding:23px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .scenario-card.tall{grid-row:span 2;background:var(--navy);color:#fff;padding:30px}
    .scenario-card h3{font-size:20px;line-height:1.4;color:var(--navy);margin:12px 0 8px}
    .scenario-card.tall h3{color:#fff;font-size:26px}
    .scenario-card p{color:var(--muted);font-size:14px;line-height:1.8}
    .scenario-card.tall p{color:#dceaf2}
    .scenario-card .text-link{margin-top:12px;font-size:14px}
    .scenario-card.tall .text-link{color:#fff}
    .brand-story{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
    .brand-story h2{font-size:34px;color:var(--navy);line-height:1.3}
    .story-copy p{color:#536575;margin-bottom:17px}
    .story-sign{display:inline-block;border-top:1px solid var(--sky);padding-top:10px;color:var(--navy);font-weight:700;margin-top:8px}
    .case-section{background:#f2f6f9}
    .case-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:23px}
    .case-main{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
    .case-main img{height:300px;object-fit:cover}
    .case-body{padding:25px}
    .case-body h3{font-size:27px;line-height:1.4;color:var(--navy);margin:12px 0}
    .case-body p{color:var(--muted);font-size:15px}
    .case-meta{display:flex;gap:20px;flex-wrap:wrap;color:#637789;font-size:13px;margin:20px 0}
    .case-list{display:grid;gap:12px}
    .case-row{display:grid;grid-template-columns:42px 1fr;gap:15px;padding:19px;background:#fff;border:1px solid var(--line);border-radius:15px}
    .case-row b{width:32px;height:32px;border-radius:9px;background:#e9f3fa;color:var(--blue);display:grid;place-items:center;font-size:13px}
    .case-row h3{font-size:17px;color:var(--navy);margin-bottom:4px}
    .case-row p{font-size:13px;line-height:1.7;color:var(--muted)}
    .case-deep{margin-top:62px;display:grid;grid-template-columns:1fr 300px;gap:55px}
    .case-deep h2{font-size:30px;color:var(--navy);margin-bottom:18px}
    .case-deep h3{font-size:20px;color:var(--navy);margin:24px 0 7px}
    .case-deep p{color:#526474;margin-bottom:16px}
    .question-card{background:#fff;padding:23px;border:1px solid var(--line);border-radius:17px;align-self:start}
    .question-card h3{margin:0 0 12px;font-size:19px}
    .question-card li{margin:9px 0 0 20px;color:var(--muted);font-size:14px}
    .news-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:24px}
    .featured-news{overflow:hidden}
    .featured-news img{height:245px;object-fit:cover}
    .featured-news .news-body{padding:24px}
    .news-body h3{font-size:24px;line-height:1.4;color:var(--navy);margin:12px 0}
    .news-body p{font-size:14px;color:var(--muted);line-height:1.8}
    .news-meta{font-size:13px;color:#8293a1;display:flex;justify-content:space-between;gap:12px}
    .news-list{display:grid;gap:10px}
    .news-item{display:grid;grid-template-columns:76px 1fr 22px;gap:14px;align-items:start;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .news-item time{font-size:13px;color:var(--blue);font-weight:700;padding-top:2px}
    .news-item h3{font-size:16px;color:var(--navy);line-height:1.5}
    .news-item p{font-size:13px;color:var(--muted);line-height:1.65;margin-top:4px}
    .news-item span{color:var(--blue);font-size:21px}
    .membership{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:start}
    .membership-intro h2{font-size:34px;color:var(--navy);line-height:1.35;margin:15px 0}
    .membership-intro p{color:var(--muted);margin-bottom:20px}
    .faq-mini{border-top:1px solid var(--line)}
    .faq-mini div{padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;color:#516779}
    .plan-panel{background:#fff;border:1px solid #cfe1ed;border-radius:21px;padding:30px;box-shadow:var(--shadow)}
    .plan-top{display:flex;justify-content:space-between;gap:20px;align-items:start}
    .plan-panel h3{font-size:25px;color:var(--navy)}
    .plan-panel strong{font-size:16px;color:var(--mint)}
    .plan-panel p{color:var(--muted);font-size:14px;margin:8px 0 18px}
    .benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px;margin:20px 0}
    .benefit{padding:14px;background:var(--ice);border-radius:11px;color:#526879;font-size:14px}
    .comparison{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
    .comparison div{padding:16px;background:#f5f8fa;border-radius:12px;border-top:3px solid #c7dce9}
    .comparison b{display:block;color:var(--navy);font-size:14px;margin-bottom:5px}
    .comparison span{font-size:13px;color:var(--muted)}
    .cta-banner{margin-top:50px;background:#e8f4fb;border:1px solid #cee4f1;border-radius:19px;padding:25px 28px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-banner h3{font-size:22px;color:var(--navy)}
    .cta-banner p{color:var(--muted);font-size:14px;margin-top:3px}
    .entry-matrix{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:14px}
    .entry{padding:22px 20px;background:#fff;border:1px solid var(--line);border-radius:15px}
    .entry b{display:block;color:var(--navy);font-size:17px;margin:10px 0 4px}
    .entry p{color:var(--muted);font-size:13px;line-height:1.65}
    .entry .line-icon{background:var(--ice)}
    .milestone{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #bfd4e2}
    .milestone-item{position:relative;padding:28px 20px 0;border-right:1px solid var(--line)}
    .milestone-item:last-child{border-right:0}
    .milestone-item:before{content:"";position:absolute;top:-6px;left:20px;width:11px;height:11px;background:var(--sky);border:3px solid var(--warm);border-radius:50%}
    .milestone-item strong{display:block;color:var(--blue);font-size:14px}
    .milestone-item h3{font-size:18px;color:var(--navy);margin:8px 0}
    .milestone-item p{font-size:13px;color:var(--muted);line-height:1.7}
    .faq-section{background:var(--ice)}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
    .faq-intro h2{font-size:35px;color:var(--navy);line-height:1.35;margin:15px 0}
    .faq-intro p{color:var(--muted);margin-bottom:20px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-question{width:100%;border:0;background:#fff;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:18px 20px;color:var(--navy);font-weight:700}
    .faq-question:hover{background:#f8fbfd}
    .faq-question i{font-style:normal;font-size:24px;color:var(--blue);transition:.25s}
    .faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{transform:rotate(45deg)}
    .final-cta{padding:42px 0 70px}
    .final-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:35px 40px;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:var(--shadow-sm)}
    .final-box h2{font-size:28px;color:var(--navy);margin-bottom:5px}
    .final-box p{color:var(--muted)}
    footer{background:#eef3f7;border-top:1px solid var(--line);padding:55px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px;padding-bottom:40px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:300px;margin-top:15px}
    .footer-col h3{font-size:15px;color:var(--navy);margin-bottom:13px}
    .footer-col a{display:block;color:#637789;font-size:14px;padding:4px 0}
    .footer-col a:hover{color:var(--blue)}
    .footer-bottom{border-top:1px solid #d8e3ea;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#788b99;font-size:12px}
    .footer-bottom a{color:var(--navy);font-weight:700}
    @media(max-width:1080px){
      .nav-list{gap:1px}.nav-item{padding:9px 7px;font-size:13px}.brand{min-width:150px}
      .container{width:min(var(--max),calc(100% - 48px))}
      .hero-wrap{gap:35px}.hero-image{height:430px}
      .entry-matrix{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:800px){
      .section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .nav-panel{padding:11px 14px}.brand{flex:1}.nav-cta{display:none}.menu-toggle{display:block}
      .nav-list{display:none;position:absolute;left:16px;right:16px;top:88px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow);grid-template-columns:repeat(2,1fr);gap:6px}
      .nav-list.show{display:grid}.nav-item{padding:12px 10px}
      .hero{padding-top:35px}.hero-wrap{grid-template-columns:1fr;gap:25px}.hero-copy{order:1}.hero-art{order:2}.hero-image{height:370px}.hero-note{left:14px;bottom:18px}.hero-index{right:14px}
      .quick-bar{grid-template-columns:repeat(2,1fr)}
      .directory,.deep-content,.brand-story,.case-layout,.case-deep,.membership,.faq-layout{grid-template-columns:1fr;gap:28px}
      .side-index,.toc-card{position:static}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.wide{grid-column:span 2;grid-row:auto;min-height:330px}
      .scenario-lead{grid-template-columns:1fr}.scenario-lead img{height:220px}.scenario-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
      .scenario-card.tall{grid-row:span 2}.news-wrap{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr 1fr}
      .milestone{grid-template-columns:repeat(2,1fr);gap:20px}.milestone-item{border-right:0;border-bottom:1px solid var(--line);padding-bottom:18px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}.brand{font-size:19px}.brand-mark{width:34px;height:34px}
      .hero h1{font-size:40px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}.hero-image{height:300px;border-radius:24px 10px 24px 10px}
      .hero-note{width:180px;padding:12px}.hero-note strong{font-size:17px}.hero-index{padding:11px 13px}.hero-index b{font-size:21px}
      .quick-bar,.feature-grid,.scenario-grid,.benefit-grid,.comparison,.entry-matrix{grid-template-columns:1fr}
      .feature-card.wide{grid-column:auto;min-height:300px}.directory-panel{grid-template-columns:1fr}.directory-panel img{height:180px}
      .section-head h2,.faq-intro h2{font-size:29px}.article-copy h2{font-size:27px}.case-body h3{font-size:23px}
      .scenario-card.tall{grid-row:auto}.news-item{grid-template-columns:1fr 18px;gap:6px}.news-item time{grid-column:1/-1}
      .cta-banner,.final-box{display:block;padding:25px}.cta-banner .btn,.final-box .btn{margin-top:18px;width:100%}
      .footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{
 --navy:#163b67;
 --blue:#2674b8;
 --sky:#4a9ddb;
 --mint:#2f8b7b;
 --ink:#1d2935;
 --muted:#667085;
 --soft:#eaf1f7;
 --ice:#f5f9fc;
 --warm:#fbfcfe;
 --line:#dce7f0;
 --white:#fff;
 --radius:18px;
 --shadow:0 14px 36px rgba(22,59,103,.09);
 --shadow-sm:0 7px 20px rgba(22,59,103,.07);
 --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
h1,h2,h3,h4,p{margin-top:0}
h2,h3,h4{color:var(--navy);line-height:1.35}
h2{font-size:38px;letter-spacing:-.035em}
h3{font-size:22px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}
.section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}
.section-head h2{margin-bottom:10px}
.section-head p{max-width:600px;color:var(--muted);margin-bottom:0}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;border-bottom:1px solid transparent;transition:.25s}
.text-link:after{content:"→";transition:.25s}
.text-link:hover{color:var(--blue);border-color:var(--blue)}
.text-link:hover:after{transform:translateX(4px)}
.btn{min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}
.btn-primary:hover{background:var(--blue);transform:translateY(-2px)}
.btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}
.btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn:focus-visible,.nav-item:focus-visible,.text-link:focus-visible,.brand:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(74,157,219,.42);outline-offset:3px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}
.tag.mint{background:#eaf6f2;color:var(--mint)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddeb}
.site-header{padding:24px 0 8px;position:relative;z-index:20}
.nav-panel{min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;padding:12px 14px 12px 20px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}
.brand-mark:before{width:17px;height:17px}
.brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}
.brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}
.nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
.nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap;transition:.25s}
.nav-item svg{width:17px;height:17px;stroke:currentColor}
.nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}
.nav-item.active{font-weight:700}
.nav-cta{white-space:nowrap}
.menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}
.hero{padding:42px 0 56px}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:28px}
.breadcrumb a:hover{color:var(--blue)}
.hero-panel{display:grid;grid-template-columns:1fr 1.08fr;gap:42px;align-items:stretch;background:var(--ice);border:1px solid var(--line);border-radius:26px;padding:34px}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:12px 8px}
.hero h1{font-size:clamp(40px,5vw,62px);line-height:1.14;letter-spacing:-.06em;color:var(--navy);margin:18px 0 20px}
.hero-lead{font-size:18px;color:var(--muted);line-height:1.9;max-width:590px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0 20px}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap}
.hero-visual{position:relative;min-height:390px;border-radius:22px;overflow:hidden;background:#dbeaf4}
.hero-visual img{height:100%;min-height:390px;object-fit:cover}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,46,80,.08),rgba(15,46,80,.3))}
.date-badge{position:absolute;z-index:2;left:22px;top:22px;background:#fff;color:var(--navy);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-sm);text-align:center}
.date-badge strong{display:block;font-size:27px;line-height:1;color:var(--navy)}
.date-badge span{font-size:12px;color:var(--muted)}
.status{position:absolute;z-index:2;right:22px;top:22px;background:#eaf6f2;color:var(--mint);padding:6px 11px;border-radius:99px;font-size:12px;font-weight:700}
.live-card{position:absolute;z-index:2;left:22px;right:22px;bottom:22px;background:rgba(255,255,255,.96);border:1px solid rgba(220,231,240,.95);border-radius:16px;padding:17px 19px;display:flex;justify-content:space-between;align-items:center;gap:18px}
.live-card small{color:var(--muted);display:block;font-size:12px}
.live-card strong{font-size:20px;color:var(--navy)}
.countdown{display:flex;gap:7px;color:var(--navy);font-weight:800}
.countdown i{font-style:normal;background:var(--soft);border-radius:8px;padding:6px 8px;min-width:38px;text-align:center}
.quick-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.quick-item{padding:16px 17px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;align-items:center;gap:12px;transition:.25s}
.quick-item:hover{border-color:var(--sky);background:#f8fcff;transform:translateY(-2px)}
.quick-icon{width:34px;height:34px;border-radius:10px;background:var(--soft);display:grid;place-items:center;color:var(--blue);font-weight:800}
.quick-item b{font-size:14px;color:var(--navy);display:block}
.quick-item span{font-size:12px;color:var(--muted);display:block}
.soft-section{background:var(--ice);border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7}
.activity-layout{display:grid;grid-template-columns:260px 1fr;gap:42px}
.index-nav{position:sticky;top:24px;align-self:start}
.index-nav h3{margin:0 0 16px;font-size:19px}
.index-link{display:flex;align-items:center;gap:12px;padding:14px 13px;border-bottom:1px solid var(--line);color:var(--muted);transition:.2s}
.index-link b{font-size:13px;color:var(--sky)}
.index-link:hover,.index-link.current{color:var(--navy);background:#fff;border-radius:10px}
.index-link.current b{color:var(--blue)}
.activity-main{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.activity-card{padding:25px;position:relative;overflow:hidden}
.activity-card h3{margin:15px 0 9px}
.activity-card p{color:var(--muted);font-size:15px;margin-bottom:14px}
.activity-card.featured{grid-row:span 2;display:flex;flex-direction:column}
.activity-card.featured .cover{height:230px;margin:-25px -25px 10px;width:calc(100% + 50px)}
.cover{overflow:hidden;border-radius:13px;background:var(--soft)}
.cover img{height:100%;object-fit:cover;transition:.35s}
.activity-card:hover img{transform:scale(1.035)}
.activity-card.featured .cover img{height:230px}
.activity-card:not(.featured){min-height:190px}
.card-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.activity-date{font-size:13px;color:var(--muted);white-space:nowrap}
.activity-card .text-link{font-size:14px}
.timeline-wrap{display:grid;grid-template-columns:1fr .8fr;gap:34px;align-items:start}
.timeline{position:relative;padding-left:30px}
.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1px;background:#c7dbe8}
.timeline-item{position:relative;padding:0 0 28px 20px}
.timeline-item:before{content:"";position:absolute;left:-27px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--sky);border:3px solid var(--ice);box-shadow:0 0 0 1px #b7d3e5}
.timeline-item h3{font-size:19px;margin:5px 0 6px}
.timeline-item p{color:var(--muted);font-size:15px;margin-bottom:8px}
.timeline-date{font-size:12px;color:var(--blue);font-weight:700}
.side-note{padding:26px;background:#fff;border-radius:18px;border:1px solid var(--line)}
.side-note h3{margin:0 0 15px}
.side-note ul{padding-left:20px;margin:0;color:var(--muted)}
.side-note li{margin:8px 0}
.long-read{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:44px}
.prose{max-width:800px}
.prose h2{font-size:32px;margin:0 0 22px}
.prose h3{font-size:21px;margin:28px 0 9px}
.prose p{color:#4f6070;margin:0 0 17px}
.prose blockquote{margin:25px 0;padding:18px 22px;border-left:4px solid var(--sky);background:var(--ice);color:var(--navy);font-weight:700}
.prose ol,.prose ul{color:#4f6070;padding-left:23px}
.prose li{margin:8px 0}
.read-aside{border-left:1px solid var(--line);padding-left:25px}
.read-aside h3{font-size:18px;margin:0 0 13px}
.read-aside a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
.read-aside a:hover{color:var(--blue)}
.info-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;padding:30px;background:#eaf3fa;border:1px solid #d8e8f2;border-radius:20px}
.info-strip h2{font-size:28px;margin:0 0 8px}
.info-strip p{margin:0;color:var(--muted)}
.info-points{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.info-point{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px;color:var(--navy);font-size:14px}
.case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.case-feature{padding:0;overflow:hidden;display:grid;grid-template-columns:45% 55%}
.case-feature .cover{border-radius:0;min-height:320px}
.case-feature .case-copy{padding:28px}
.case-copy h3{font-size:26px;margin:14px 0 10px}
.case-copy p{color:var(--muted);font-size:15px}
.case-index{padding:26px}
.case-index h3{margin:0 0 12px}
.case-item{display:grid;grid-template-columns:34px 1fr;gap:11px;padding:16px 0;border-bottom:1px solid var(--line)}
.case-item:last-child{border-bottom:0}
.case-no{font-size:20px;font-weight:800;color:#a5c8df}
.case-item strong{color:var(--navy);display:block;margin-bottom:3px}
.case-item span{font-size:13px;color:var(--muted)}
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rule-card{padding:23px}
.rule-card b{display:flex;align-items:center;gap:9px;color:var(--navy);font-size:17px}
.rule-card b span{width:27px;height:27px;border-radius:8px;background:var(--soft);display:grid;place-items:center;color:var(--blue);font-size:13px}
.rule-card p{font-size:14px;color:var(--muted);margin:12px 0 0}
.faq-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:55px;align-items:start}
.faq-intro h2{margin:15px 0 14px}
.faq-intro p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-question{width:100%;border:0;background:#fff;color:var(--navy);padding:18px 20px;text-align:left;display:flex;justify-content:space-between;gap:18px;font-weight:700}
.faq-question span:last-child{font-size:21px;color:var(--blue);line-height:1;transition:.2s}
.faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:15px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-section{padding:0 0 88px}
.cta-box{background:#eaf3fa;border:1px solid #d8e8f2;border-radius:22px;padding:30px 34px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.cta-box h2{font-size:29px;margin:0 0 7px}
.cta-box p{margin:0;color:var(--muted)}
footer{background:#eef4f8;border-top:1px solid var(--line);padding:55px 0 22px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:17px}
.footer-brand p{max-width:360px;color:var(--muted);font-size:14px;margin:0}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h3{font-size:15px;margin:5px 0 9px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid #d8e3eb;padding-top:20px;display:flex;flex-wrap:wrap;gap:9px 24px;color:#7b8995;font-size:12px}
.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1100px){
 .nav-panel{gap:10px}.brand{min-width:150px}.nav-list{overflow-x:auto;justify-content:flex-start}.nav-item{padding:9px 8px}
 .hero-panel{grid-template-columns:1fr 1fr;padding:25px}.activity-layout{grid-template-columns:210px 1fr}
}
@media(max-width:820px){
 .container{width:min(var(--max),calc(100% - 48px))}
 .nav-panel{flex-wrap:wrap}.nav-list{order:4;display:none;width:100%;flex-basis:100%;padding-top:10px;grid-template-columns:repeat(2,1fr);gap:6px}
 .nav-list.open{display:grid}.nav-item{justify-content:center;background:var(--ice)}
 .menu-toggle{display:block;margin-left:auto}.nav-cta{margin-left:auto}
 .hero-panel,.activity-layout,.timeline-wrap,.long-read,.case-grid,.faq-layout{grid-template-columns:1fr}
 .hero-visual{min-height:350px}.hero-visual img{min-height:350px}
 .index-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.index-nav h3{display:none}.index-link{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px}
 .activity-main{grid-template-columns:1fr 1fr}
 .read-aside{border-left:0;border-top:1px solid var(--line);padding:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
 .case-feature{grid-template-columns:1fr}.case-feature .cover{min-height:230px}.rule-grid{grid-template-columns:1fr 1fr}
 .footer-top{grid-template-columns:1.5fr 1fr 1fr}
}
@media(max-width:560px){
 .container{width:calc(100% - 32px)}
 .site-header{padding-top:16px}.nav-panel{padding:11px 12px}.brand{font-size:20px;min-width:auto}.brand-mark{width:35px;height:35px}
 .nav-cta{font-size:13px;padding:9px 12px;min-height:42px}
 .hero{padding-top:28px}.hero-panel{padding:18px;border-radius:20px}.hero h1{font-size:40px}.hero-lead{font-size:16px}.hero-actions .btn{width:100%}
 .hero-visual,.hero-visual img{min-height:280px}.live-card{left:12px;right:12px;bottom:12px;padding:12px;display:block}.countdown{margin-top:8px}
 .quick-bar{grid-template-columns:1fr 1fr}.section{padding:65px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:29px}.section-head p{font-size:15px}
 .activity-main{grid-template-columns:1fr}.activity-card.featured .cover,.activity-card.featured .cover img{height:200px}.timeline-wrap{gap:25px}
 .prose h2{font-size:28px}.read-aside{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr;padding:22px}.rule-grid{grid-template-columns:1fr}.case-copy h3{font-size:23px}
 .cta-box{display:block;padding:25px 22px}.cta-box .btn{margin-top:18px;width:100%}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
 --navy:#163b67;
 --blue:#2674b8;
 --sky:#4a9ddb;
 --mint:#2f8b7b;
 --ink:#1d2935;
 --muted:#667085;
 --soft:#eaf1f7;
 --ice:#f5f9fc;
 --warm:#fbfcfe;
 --line:#dce7f0;
 --white:#fff;
 --radius:18px;
 --shadow:0 14px 36px rgba(22,59,103,.09);
 --shadow-sm:0 7px 20px rgba(22,59,103,.07);
 --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--warm);
 color:var(--ink);
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 font-size:16px;
 line-height:1.85;
 overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol{margin-top:0}
h1,h2,h3,h4{color:var(--navy);line-height:1.3}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}
.section{padding:86px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:36px}
.section-head h2{font-size:38px;letter-spacing:-.035em;margin:12px 0 0}
.section-head p{max-width:570px;color:var(--muted);font-size:16px;margin-bottom:0}
.btn{
 min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;
 display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;
 transition:.25s;
}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}
.btn-primary:hover{background:var(--blue);transform:translateY(-2px)}
.btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}
.btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;border-bottom:1px solid transparent;transition:.25s}
.text-link:after{content:"→";transition:.25s}
.text-link:hover{color:var(--blue);border-color:var(--blue)}
.text-link:hover:after{transform:translateX(4px)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}
.tag.mint{background:#eaf6f2;color:var(--mint)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddeb}
.site-header{padding:24px 0 8px;position:relative;z-index:20}
.nav-panel{
 min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);
 border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;
 padding:12px 14px 12px 20px;gap:18px
}
.brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}
.brand-mark:before{width:17px;height:17px}
.brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}
.brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}
.nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
.nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap;transition:.25s}
.nav-item svg{width:17px;height:17px;stroke:currentColor}
.nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}
.nav-item.active{font-weight:700}
.nav-cta{white-space:nowrap}
.menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}
:focus-visible{outline:3px solid rgba(74,157,219,.45);outline-offset:3px}
.hero{padding:58px 0 42px}
.breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:28px}
.breadcrumb a:hover{color:var(--blue)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.hero-copy h1{font-size:clamp(42px,5vw,62px);letter-spacing:-.065em;margin:18px 0 22px;max-width:620px}
.hero-copy h1 em{font-style:normal;color:var(--blue)}
.hero-lead{font-size:18px;color:var(--muted);max-width:610px;line-height:1.9;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-visual{position:relative}
.hero-visual img{height:360px;object-fit:cover;border-radius:30px 12px 30px 12px;border:8px solid #fff;box-shadow:var(--shadow)}
.visual-panel{position:absolute;right:-22px;bottom:24px;width:220px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;box-shadow:var(--shadow)}
.visual-panel small{display:block;color:var(--muted);font-size:12px}
.visual-panel strong{display:block;color:var(--navy);font-size:19px;margin:4px 0}
.visual-panel span{font-size:13px;color:var(--muted)}
.visual-label{position:absolute;left:-20px;top:25px;background:var(--navy);color:#fff;border-radius:13px;padding:12px 15px;box-shadow:var(--shadow)}
.visual-label b{display:block;font-size:22px;line-height:1.2}
.visual-label small{color:#b9d9ed}
.quick-strip{padding:18px 0 8px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-item{padding:16px 18px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;align-items:center;gap:13px;transition:.25s}
.quick-item:hover{border-color:var(--sky);background:#f8fcff;transform:translateY(-2px)}
.quick-icon{width:34px;height:34px;border-radius:10px;background:var(--soft);color:var(--blue);display:grid;place-items:center;flex:none}
.quick-icon svg{width:18px;height:18px;stroke:currentColor}
.quick-item b{font-size:14px;color:var(--navy);display:block}
.quick-item span{font-size:12px;color:var(--muted);display:block}
.soft-section{background:var(--ice);border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7}
.feature-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:22px}
.feature-main{overflow:hidden;display:grid;grid-template-columns:1fr 1fr;min-height:380px}
.feature-main img{height:100%;min-height:380px;object-fit:cover}
.feature-main-content{padding:30px;display:flex;flex-direction:column;justify-content:center}
.feature-main-content h3{font-size:28px;margin:15px 0 12px}
.feature-main-content p{color:var(--muted);line-height:1.9}
.focus-box{padding:26px}
.focus-box h3{font-size:22px;margin:12px 0 18px}
.focus-list{list-style:none;padding:0;margin:0}
.focus-list li{padding:15px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:64px 1fr;gap:10px}
.focus-list time{font-size:12px;color:var(--blue);font-weight:700;padding-top:3px}
.focus-list a{font-weight:700;color:var(--navy);font-size:14px;line-height:1.55}
.focus-list a:hover{color:var(--blue)}
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px}
.news-group{margin-bottom:32px}
.news-group h3{display:flex;align-items:center;gap:14px;font-size:22px;margin-bottom:16px}
.news-group h3:after{content:"";height:1px;background:var(--line);flex:1}
.news-item{display:grid;grid-template-columns:94px minmax(0,1fr) auto;gap:20px;align-items:center;padding:22px 0;border-top:1px solid var(--line)}
.news-date{color:var(--blue);font-weight:700;font-size:13px}
.news-date span{display:block;color:var(--muted);font-weight:400;font-size:12px}
.news-content h4{font-size:18px;margin:0 0 5px}
.news-content h4 a:hover{color:var(--blue)}
.news-content p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.news-side{position:relative}
.side-card{padding:25px;margin-bottom:18px}
.side-card h3{font-size:20px;margin:0 0 17px}
.side-card p{color:var(--muted);font-size:14px;line-height:1.8}
.side-links{display:flex;flex-wrap:wrap;gap:8px}
.side-index{list-style:none;padding:0;margin:0}
.side-index li{border-top:1px solid var(--line);padding:12px 0}
.side-index a{font-size:14px;color:#42586c}
.side-index a:hover{color:var(--blue)}
.longread{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.read-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:68px}
.read-main h2{font-size:34px;margin:0 0 20px}
.read-main h3{font-size:21px;margin:28px 0 10px}
.read-main p{color:#4e6070;line-height:2;margin-bottom:18px}
.read-main blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--sky);background:var(--ice);color:var(--navy);font-size:17px}
.read-main ul{padding-left:22px;color:#4e6070}
.read-main li{margin:7px 0}
.read-aside{padding-top:5px}
.aside-sticky{position:sticky;top:24px}
.aside-card{padding:24px;background:var(--ice);border:1px solid var(--line);border-radius:16px;margin-bottom:18px}
.aside-card h3{font-size:18px;margin-bottom:15px}
.aside-card ol{padding-left:20px;margin:0;color:var(--muted);font-size:14px}
.aside-card li{margin:9px 0}
.aside-card img{height:170px;object-fit:cover;border-radius:12px;margin-top:15px}
.path-section{padding-top:82px}
.path-layout{display:grid;grid-template-columns:270px 1fr;gap:42px;align-items:start}
.path-intro h2{font-size:34px;margin:12px 0}
.path-intro p{color:var(--muted)}
.path-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.path-step{padding:22px;background:#fff;border:1px solid var(--line);border-radius:15px;position:relative}
.path-step strong{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;font-size:13px;margin-bottom:18px}
.path-step h3{font-size:18px;margin-bottom:8px}
.path-step p{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
.extend{background:var(--soft)}
.extend-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.extend-card{padding:27px}
.extend-card h3{font-size:22px;margin-bottom:15px}
.extend-card p{color:var(--muted);line-height:1.9}
.extend-card .text-link{margin-top:8px}
.faq-section{background:var(--ice)}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:62px}
.faq-intro h2{font-size:36px;margin:13px 0}
.faq-intro p{color:var(--muted);line-height:1.9}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-question{width:100%;border:0;background:#fff;padding:18px 20px;color:var(--navy);font-weight:700;text-align:left;display:flex;justify-content:space-between;gap:15px;align-items:center}
.faq-question:after{content:"+";font-size:22px;color:var(--blue);font-weight:400}
.faq-question[aria-expanded="true"]:after{content:"−"}
.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px;line-height:1.85}
.faq-answer.open{display:block}
.cta-section{padding:58px 0}
.cta-box{background:#eaf4fb;border:1px solid #d5e8f4;border-radius:22px;padding:32px 38px;display:flex;justify-content:space-between;align-items:center;gap:28px}
.cta-box h2{font-size:28px;margin:0 0 8px}
.cta-box p{color:var(--muted);margin:0}
footer{background:var(--soft);border-top:1px solid var(--line);padding:62px 0 22px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
.footer-brand p{max-width:330px;color:var(--muted);font-size:14px;line-height:1.8;margin-top:18px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h3{font-size:15px;margin:0 0 7px}
.footer-col a{color:#5c6f80;font-size:14px}
.footer-col a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid #d4e1ea;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 30px;color:#71808d;font-size:12px}
.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1100px){
 .nav-item{padding:10px 7px;font-size:13px}
 .brand{min-width:150px}
 .nav-cta{display:none}
 .quick-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
 .container{width:min(var(--max),calc(100% - 48px))}
 .nav-panel{flex-wrap:wrap}
 .nav-list{order:3;display:none;width:100%;flex-basis:100%;grid-template-columns:repeat(2,1fr);gap:7px}
 .nav-list.open{display:grid}
 .nav-item{background:var(--ice);padding:12px}
 .menu-toggle{display:block;margin-left:auto}
 .hero-grid,.feature-layout,.news-layout,.read-grid,.faq-layout{grid-template-columns:1fr}
 .hero{padding-top:38px}
 .hero-visual{max-width:650px}
 .visual-panel{right:18px}
 .news-side{display:grid;grid-template-columns:1fr 1fr;gap:16px}
 .side-card{margin:0}
 .read-aside{order:-1}
 .aside-sticky{position:static;display:grid;grid-template-columns:1fr 1fr;gap:15px}
 .path-layout{grid-template-columns:1fr}
 .path-steps{grid-template-columns:repeat(3,1fr)}
 .footer-top{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:600px){
 .container{width:calc(100% - 32px)}
 .site-header{padding-top:16px}
 .nav-panel{padding:11px 12px 11px 15px}
 .brand{font-size:20px;min-width:auto}
 .brand-mark{width:35px;height:35px}
 .hero{padding-top:28px}
 .hero-grid{gap:28px}
 .hero-copy h1{font-size:40px}
 .hero-lead{font-size:16px}
 .hero-visual img{height:270px;border-width:5px}
 .visual-label{left:10px;top:15px}
 .visual-panel{right:8px;bottom:14px;width:190px;padding:13px}
 .quick-grid{grid-template-columns:1fr 1fr;gap:9px}
 .quick-item{padding:13px 11px;gap:8px}
 .quick-item span{display:none}
 .section{padding:62px 0}
 .section-head{display:block;margin-bottom:25px}
 .section-head h2{font-size:29px}
 .section-head p{margin-top:12px}
 .feature-main{grid-template-columns:1fr}
 .feature-main img{height:220px;min-height:220px}
 .feature-main-content{padding:23px}
 .feature-main-content h3{font-size:23px}
 .news-side{display:block}
 .side-card{margin-bottom:14px}
 .news-item{grid-template-columns:1fr auto;gap:8px 14px;padding:18px 0}
 .news-date{grid-column:1/-1}
 .news-content p{font-size:13px}
 .news-item .text-link{font-size:13px}
 .read-grid{gap:25px}
 .read-main h2{font-size:28px}
 .aside-sticky{display:block}
 .aside-card{margin-bottom:14px}
 .path-steps,.extend-grid{grid-template-columns:1fr}
 .cta-box{display:block;padding:25px 22px}
 .cta-box .btn{margin-top:20px;width:100%}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px 20px}
 .footer-brand{grid-column:1/-1}
 .footer-bottom{display:block}
 .footer-bottom div{margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){
 *{scroll-behavior:auto!important;transition:none!important}
}

/* roulang page: category4 */
:root{
      --navy:#163b67;
      --blue:#2674b8;
      --sky:#4a9ddb;
      --mint:#2f8b7b;
      --ink:#1d2935;
      --muted:#667085;
      --soft:#eaf1f7;
      --ice:#f5f9fc;
      --warm:#fbfcfe;
      --line:#dce7f0;
      --white:#fff;
      --radius:18px;
      --shadow:0 14px 36px rgba(22,59,103,.09);
      --shadow-sm:0 7px 20px rgba(22,59,103,.07);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--warm);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.85;
      overflow-x:hidden;
    }
    h1,h2,h3,h4,p,ul,ol{margin-top:0}
    h1,h2,h3,h4{margin-bottom:16px}
    p{margin-bottom:18px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 64px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:38px}
    .section-head h2{font-size:38px;line-height:1.25;letter-spacing:-.03em;color:var(--navy);margin-bottom:8px}
    .section-head p{max-width:580px;color:var(--muted);font-size:16px;margin-bottom:0}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;border-bottom:1px solid transparent;transition:.25s}
    .text-link:after{content:"→";transition:.25s}
    .text-link:hover{color:var(--blue);border-color:var(--blue)}
    .text-link:hover:after{transform:translateX(4px)}
    .btn{min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s}
    .btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}
    .btn-primary:hover{background:var(--blue);transform:translateY(-2px)}
    .btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}
    .btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
    .tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}
    .tag.mint{background:#eaf6f2;color:var(--mint)}
    .card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddeb}
    .site-header{padding:24px 0 8px;position:relative;z-index:20}
    .nav-panel{min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;padding:12px 14px 12px 20px;gap:18px}
    .brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}
    .brand-mark:before{width:17px;height:17px}
    .brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}
    .brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}
    .nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
    .nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-item svg{width:17px;height:17px;stroke:currentColor}
    .nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}
    .nav-item.active{font-weight:700}
    .nav-cta{white-space:nowrap}
    .menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}
    :focus-visible{outline:3px solid rgba(74,157,219,.55);outline-offset:3px}
    .guide-hero{padding:66px 0 54px}
    .guide-hero-grid{display:grid;grid-template-columns:275px 1fr;gap:54px;align-items:stretch}
    .guide-index{padding:24px;background:var(--ice);border:1px solid var(--line);border-radius:20px}
    .guide-index h2{font-size:18px;color:var(--navy);margin-bottom:20px}
    .guide-index a{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid #dce8f0;color:#526477;font-size:14px}
    .guide-index a:last-child{border-bottom:0}
    .guide-index a:hover,.guide-index a.current{color:var(--blue);font-weight:700}
    .guide-index a span{color:#9aacbb;font-size:12px}
    .hero-copy{padding:12px 0}
    .hero-copy h1{font-size:clamp(42px,5vw,64px);line-height:1.14;letter-spacing:-.06em;color:var(--navy);max-width:720px;margin:20px 0}
    .hero-copy h1 em{font-style:normal;color:var(--blue)}
    .hero-lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:720px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:9px}
    .hero-visual{margin-top:28px;display:grid;grid-template-columns:1.15fr .85fr;gap:14px;align-items:stretch}
    .visual-main{min-height:230px;border-radius:20px;overflow:hidden;position:relative;border:7px solid #fff;box-shadow:var(--shadow)}
    .visual-main img{height:100%;min-height:230px;object-fit:cover}
    .visual-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,52,88,.7),transparent 65%)}
    .visual-caption{position:absolute;z-index:1;bottom:20px;left:22px;color:#fff}
    .visual-caption strong{display:block;font-size:21px}
    .visual-caption span{font-size:13px;color:#dcecf7}
    .visual-side{display:grid;gap:14px}
    .status-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
    .status-card strong{display:block;font-size:27px;color:var(--navy);line-height:1.2}
    .status-card span{color:var(--muted);font-size:13px}
    .status-card.mint{background:#eef8f5}
    .quick-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px}
    .quick-item{padding:16px 17px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;align-items:center;gap:12px;transition:.25s}
    .quick-item:hover{border-color:var(--sky);background:#f8fcff}
    .quick-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#eaf3fa;color:var(--blue);font-weight:800}
    .quick-item b{font-size:14px;color:var(--navy);display:block}
    .quick-item span{font-size:12px;color:var(--muted);display:block}
    .soft-section{background:var(--ice);border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7}
    .entry-layout{display:grid;grid-template-columns:230px 1fr;gap:44px}
    .side-title{position:sticky;top:24px;align-self:start}
    .side-title h2{font-size:30px;color:var(--navy);line-height:1.3}
    .side-title p{color:var(--muted);font-size:14px}
    .numbered-list{display:grid;gap:10px}
    .numbered-list a{display:flex;align-items:center;gap:15px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--navy);font-weight:700;transition:.25s}
    .numbered-list a:hover{border-color:var(--sky);transform:translateX(4px)}
    .numbered-list b{width:32px;height:32px;border-radius:9px;background:#eaf3fa;color:var(--blue);display:grid;place-items:center;font-size:13px}
    .entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .entry-card{padding:24px;min-height:188px}
    .entry-card h3{font-size:21px;color:var(--navy)}
    .entry-card p{color:var(--muted);font-size:15px}
    .entry-card .text-link{font-size:14px}
    .guide-content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px}
    .article-panel{padding:38px 42px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm)}
    .article-panel h2{font-size:34px;color:var(--navy);line-height:1.35}
    .article-panel h3{font-size:21px;color:var(--navy);margin-top:30px}
    .article-panel p{color:#4e5d6d}
    .article-panel blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--sky);background:var(--ice);color:var(--navy);font-weight:700}
    .article-panel ul,.article-panel ol{padding-left:24px;color:#4e5d6d}
    .article-panel li{margin-bottom:10px}
    .toc-card{align-self:start;position:sticky;top:24px;padding:24px}
    .toc-card h3{color:var(--navy);font-size:18px}
    .toc-card a{display:block;padding:9px 0;color:var(--muted);font-size:14px;border-bottom:1px solid #edf2f6}
    .toc-card a:hover{color:var(--blue)}
    .notice{padding:19px 22px;border-radius:14px;background:#f0f8f6;border:1px solid #d4ebe4;color:#356e64;margin-top:24px}
    .steps-section{background:#fff}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .step{padding:28px 24px;min-height:220px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-number{font-size:13px;color:var(--sky);font-weight:800;letter-spacing:.1em}
    .step h3{color:var(--navy);font-size:20px;margin-top:20px}
    .step p{color:var(--muted);font-size:14px}
    .step:after{content:"→";position:absolute;right:16px;top:25px;color:#b4c8d8;font-size:22px}
    .step:last-child:after{display:none}
    .attention-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .attention-main{padding:34px;background:var(--navy);border-radius:20px;color:#fff;min-height:270px}
    .attention-main h2{font-size:31px;line-height:1.3}
    .attention-main p{color:#d8e7f2;max-width:650px}
    .attention-list{display:grid;gap:12px}
    .attention-item{padding:21px 23px;background:#fff;border:1px solid var(--line);border-radius:16px}
    .attention-item strong{display:block;color:var(--navy);margin-bottom:5px}
    .attention-item span{font-size:14px;color:var(--muted)}
    .faq-layout{display:grid;grid-template-columns:300px 1fr;gap:48px}
    .faq-aside h2{font-size:34px;color:var(--navy);line-height:1.3}
    .faq-aside p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    .faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
    .faq-question{width:100%;padding:19px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:0;text-align:left;color:var(--navy);font-weight:700}
    .faq-question:hover{background:#f7fbfe}
    .faq-question span:last-child{font-size:24px;color:var(--blue);font-weight:400;line-height:1;transition:.25s}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 22px 21px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .related-section{background:var(--ice)}
    .related-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
    .related-feature{display:grid;grid-template-columns:40% 1fr;overflow:hidden}
    .related-feature img{height:100%;min-height:220px;object-fit:cover}
    .related-copy{padding:28px}
    .related-copy h3{font-size:24px;color:var(--navy)}
    .related-copy p{color:var(--muted);font-size:15px}
    .related-list{display:grid;gap:10px}
    .related-list a{padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;justify-content:space-between;gap:15px;align-items:center;color:var(--navy);font-weight:700}
    .related-list a:hover{border-color:var(--sky);color:var(--blue)}
    .related-list small{color:var(--muted);font-weight:400;display:block}
    .cta-wrap{padding:34px 40px;background:#eaf4fb;border:1px solid #d8eaf5;border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-wrap h2{font-size:30px;color:var(--navy);margin-bottom:8px}
    .cta-wrap p{color:var(--muted);margin-bottom:0}
    footer{background:#eef3f7;border-top:1px solid var(--line);padding:56px 0 24px}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:46px;padding-bottom:42px}
    .footer-brand p{max-width:320px;color:var(--muted);font-size:14px;margin-top:18px}
    .footer-col{display:flex;flex-direction:column;gap:8px}
    .footer-col h3{font-size:15px;color:var(--navy);margin-bottom:8px}
    .footer-col a{color:#647689;font-size:14px}
    .footer-col a:hover{color:var(--blue)}
    .footer-bottom{border-top:1px solid #d6e1e9;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 28px;color:#7a8996;font-size:12px}
    .footer-bottom a{color:#647689}
    @media(max-width:1100px){
      .nav-list{gap:2px}
      .nav-item{padding:9px 7px;font-size:13px}
      .brand{min-width:145px}
      .guide-hero-grid{grid-template-columns:225px 1fr;gap:32px}
      .entry-layout{grid-template-columns:190px 1fr}
    }
    @media(max-width:900px){
      .container{width:min(var(--max),calc(100% - 48px))}
      .nav-panel{padding-left:15px}
      .nav-list{display:none;position:absolute;left:0;right:0;top:92px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);grid-template-columns:repeat(2,1fr);z-index:30}
      .nav-list.is-open{display:grid}
      .nav-item{padding:13px}
      .menu-toggle{display:block}
      .nav-cta{margin-left:auto}
      .guide-hero-grid,.entry-layout,.guide-content,.faq-layout{grid-template-columns:1fr}
      .guide-index{display:grid;grid-template-columns:repeat(3,1fr);gap:0 18px}
      .guide-index h2{grid-column:1/-1}
      .side-title{position:static}
      .toc-card{position:static}
      .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)}
      .attention-grid,.related-grid{grid-template-columns:1fr}
      .faq-aside{display:flex;justify-content:space-between;gap:30px;align-items:end}
      .faq-aside p{max-width:450px}
      .footer-top{grid-template-columns:1.5fr 1fr 1fr}
    }
    @media(max-width:620px){
      .container{width:calc(100% - 32px)}
      .site-header{padding-top:16px}
      .nav-panel{min-height:70px}
      .brand{font-size:19px;min-width:auto}
      .brand-mark{width:34px;height:34px}
      .nav-cta{padding:9px 12px;font-size:13px}
      .guide-hero{padding-top:40px}
      .hero-copy h1{font-size:40px}
      .hero-lead{font-size:16px}
      .guide-index{display:block}
      .guide-index a{display:inline-flex;width:49%;border-bottom:0;padding:10px 0}
      .hero-visual{grid-template-columns:1fr}
      .visual-main{min-height:210px}
      .quick-strip{grid-template-columns:repeat(2,1fr)}
      .section{padding:64px 0}
      .section-head{display:block;margin-bottom:26px}
      .section-head h2{font-size:29px}
      .entry-grid{grid-template-columns:1fr}
      .article-panel{padding:26px 21px}
      .article-panel h2{font-size:28px}
      .steps{grid-template-columns:1fr}
      .step{border-right:0;border-bottom:1px solid var(--line)}
      .step:last-child{border-bottom:0}
      .step:after{display:none}
      .faq-aside{display:block}
      .related-feature{grid-template-columns:1fr}
      .related-feature img{height:220px}
      .cta-wrap{display:block;padding:28px 23px}
      .cta-wrap .btn{margin-top:20px;width:100%}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-bottom div{margin-bottom:8px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category6 */
:root{--navy:#163b67;--blue:#2674b8;--sky:#4a9ddb;--mint:#2f8b7b;--ink:#1d2935;--muted:#667085;--soft:#eaf1f7;--ice:#f5f9fc;--warm:#fbfcfe;--line:#dce7f0;--white:#fff;--radius:18px;--shadow:0 14px 36px rgba(22,59,103,.09);--shadow-sm:0 7px 20px rgba(22,59,103,.07);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(var(--max),calc(100% - 64px));margin:auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}.eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}.section{padding:82px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:34px}.section-head h2{font-size:36px;line-height:1.25;letter-spacing:-.03em;color:var(--navy);margin:12px 0}.section-head p{max-width:570px;color:var(--muted);margin:0}.btn{min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s}.btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}.btn-primary:hover{background:var(--blue);transform:translateY(-2px)}.btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}.btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}.tag{display:inline-flex;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}.tag.mint{background:#eaf6f2;color:var(--mint)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddeb}.site-header{padding:24px 0 8px;position:relative;z-index:20}.nav-panel{min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;padding:12px 14px 12px 20px;gap:18px}.brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}.brand-mark:before{width:17px;height:17px}.brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}.brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}.nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}.nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap;transition:.25s}.nav-item svg{width:17px;height:17px;stroke:currentColor}.nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}.nav-item.active{font-weight:700}.nav-cta{white-space:nowrap}.menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}.hero{padding:54px 0 46px}.hero-panel{background:var(--ice);border:1px solid var(--line);border-radius:26px;padding:54px 6%;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.hero h1{font-size:clamp(40px,5vw,62px);line-height:1.15;letter-spacing:-.06em;color:var(--navy);margin:18px 0}.hero h1 em{font-style:normal;color:var(--blue)}.hero-lead{font-size:18px;color:var(--muted);max-width:610px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0}.search-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;display:flex;box-shadow:var(--shadow-sm);max-width:520px}.search-box input{flex:1;border:0;outline:0;padding:8px 12px;color:var(--ink);min-width:0}.search-box button{border:0;border-radius:9px;background:var(--navy);color:#fff;padding:9px 18px;font-weight:700}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.matrix-item{min-height:112px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow-sm)}.matrix-item strong{font-size:24px;color:var(--navy)}.matrix-item span{font-size:13px;color:var(--muted)}.status-bar{margin-top:18px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.status-dot{width:9px;height:9px;background:var(--mint);border-radius:50%;box-shadow:0 0 0 5px #e4f4ee}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-item{padding:18px;border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;align-items:center;gap:13px;transition:.25s}.quick-item:hover{border-color:var(--sky);background:#f8fcff;transform:translateY(-3px)}.quick-icon{width:34px;height:34px;border-radius:10px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-weight:800}.quick-item b{font-size:15px;color:var(--navy)}.quick-item small{display:block;color:var(--muted)}.soft-section{background:var(--ice);border-block:1px solid #edf3f7}.directory{display:grid;grid-template-columns:250px 1fr;gap:30px}.side-menu{padding:20px;align-self:start;position:sticky;top:20px}.side-menu a{display:flex;justify-content:space-between;padding:13px 12px;border-bottom:1px solid var(--line);color:var(--muted)}.side-menu a:hover,.side-menu a.active{color:var(--navy);font-weight:700;background:var(--ice);border-radius:9px}.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.support-card{padding:25px;min-height:190px}.support-card h3{margin:13px 0 8px;color:var(--navy)}.support-card p{margin:0;color:var(--muted);font-size:15px}.number{color:var(--sky);font-size:13px;font-weight:800;letter-spacing:.1em}.reading{display:grid;grid-template-columns:1.3fr .7fr;gap:34px}.article-copy{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 40px}.article-copy h2,.article-copy h3{color:var(--navy);line-height:1.35}.article-copy p{color:#4f5f70}.article-copy blockquote{margin:22px 0;padding:16px 20px;border-left:3px solid var(--sky);background:var(--ice);color:var(--navy)}.note-panel{padding:25px;height:max-content}.note-panel h3{color:var(--navy);margin-top:0}.note-panel li{margin:10px 0;color:var(--muted)}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px}.faq-intro{padding-top:10px}.faq-intro p{color:var(--muted)}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;overflow:hidden}.faq-question{width:100%;border:0;background:#fff;text-align:left;padding:18px 21px;color:var(--navy);font-weight:700;display:flex;justify-content:space-between;gap:20px}.faq-question span:last-child{font-size:22px;color:var(--blue)}.faq-answer{display:none;padding:0 21px 19px;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question{background:#f8fbfd}.form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px}.form-copy{padding:28px}.form-copy h2{color:var(--navy);margin-top:0}.form-copy p{color:var(--muted)}.form-card{padding:30px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-weight:700;color:var(--navy);font-size:14px}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fbfdff;color:var(--ink);outline:none}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus,.search-box:focus-within{border-color:var(--sky);box-shadow:0 0 0 4px rgba(74,157,219,.13)}.form-message{display:none;margin-top:14px;padding:10px 13px;border-radius:9px;background:#eaf6f2;color:var(--mint);font-size:14px}.related-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.related-main{overflow:hidden}.related-main img{height:240px;object-fit:cover}.related-main div{padding:22px}.related-main h3{color:var(--navy);margin:8px 0}.related-list{padding:22px}.related-list a{display:block;padding:14px 0;border-bottom:1px solid var(--line);color:var(--navy);font-weight:700}.cta{padding:26px 32px;background:#eaf4fb;border:1px solid #d6e8f3;border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{color:var(--navy);margin:0 0 5px}.cta p{margin:0;color:var(--muted)}footer{background:var(--ice);border-top:1px solid var(--line);padding:54px 0 22px}.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}.footer-brand p{color:var(--muted);max-width:330px;font-size:14px}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-col h3{font-size:15px;color:var(--navy);margin:5px 0 8px}.footer-col a{color:var(--muted);font-size:14px}.footer-col a:hover,.footer-bottom a:hover{color:var(--blue)}.footer-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;display:flex;flex-wrap:wrap;gap:12px 28px;color:#7b8794;font-size:12px}.footer-bottom a{text-decoration:underline;text-underline-offset:3px}.breadcrumb{color:var(--muted);font-size:13px;margin-bottom:18px}.breadcrumb a{color:var(--blue)}.rule-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.rule{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}.rule b{display:block;color:var(--navy);margin-bottom:7px}.rule p{margin:0;color:var(--muted);font-size:14px}@media(max-width:1050px){.nav-item{padding:9px 7px;font-size:13px}.brand{min-width:145px}.hero-panel{gap:30px}.quick-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:767px){.container{width:calc(100% - 32px)}.site-header{padding-top:14px}.nav-panel{padding:11px 12px 11px 14px;flex-wrap:wrap}.brand{flex:1;min-width:0}.nav-cta{font-size:13px;padding:8px 13px}.menu-toggle{display:block}.nav-list{display:none;order:5;width:100%;flex-basis:100%;grid-template-columns:repeat(2,1fr);gap:7px}.nav-list.open{display:grid}.nav-item{background:var(--ice);padding:11px 9px}.hero{padding-top:28px}.hero-panel{display:flex;flex-direction:column;padding:32px 22px;align-items:stretch}.hero h1{font-size:40px}.hero-lead{font-size:16px}.matrix{grid-template-columns:repeat(2,1fr)}.matrix-item:last-child{grid-column:span 2}.section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:29px}.quick-grid,.support-grid,.rule-list{grid-template-columns:1fr}.directory,.reading,.faq-layout,.form-layout,.related-grid{grid-template-columns:1fr;gap:18px}.side-menu{position:static}.article-copy{padding:24px 20px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.cta{display:block;padding:24px}.cta .btn{margin-top:18px}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
:focus-visible{outline:3px solid rgba(74,157,219,.5);outline-offset:3px}

/* roulang page: category5 */
:root{--navy:#163b67;--blue:#2674b8;--sky:#4a9ddb;--mint:#2f8b7b;--ink:#1d2935;--muted:#667085;--soft:#eaf1f7;--ice:#f5f9fc;--warm:#fbfcfe;--line:#dce7f0;--white:#fff;--radius:18px;--shadow:0 14px 36px rgba(22,59,103,.09);--shadow-sm:0 7px 20px rgba(22,59,103,.07);--max:1240px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto}button,input,textarea,select{font:inherit}button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.site-header{padding:24px 0 8px;position:relative;z-index:20}
.nav-panel{min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;padding:12px 14px 12px 20px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}
.brand-mark:before{width:17px;height:17px}.brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}
.brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}
.nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
.nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap;transition:.25s}
.nav-item svg{width:17px;height:17px;stroke:currentColor}.nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}.nav-item.active{font-weight:700}
.btn{min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}.btn-primary:hover{background:var(--blue);transform:translateY(-2px)}
.btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}.btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn:focus-visible,.nav-item:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #9bd2ee;outline-offset:3px}
.menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}.eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}
.hero{padding:60px 0 72px}.hero-banner{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:22px}.breadcrumb a{color:var(--blue)}
.hero h1{font-size:clamp(42px,5vw,64px);line-height:1.14;letter-spacing:-.06em;color:var(--navy);margin:16px 0 23px}.hero h1 em{font-style:normal;color:var(--blue)}
.hero-intro{font-size:18px;line-height:1.9;color:var(--muted);max-width:580px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-visual{position:relative;min-height:410px;border-radius:28px;overflow:hidden;border:8px solid #fff;box-shadow:var(--shadow);background:url('/assets/images/backpic/back-3.webp') center/cover}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(22,59,103,.7),rgba(22,59,103,.08))}
.visual-card{position:absolute;z-index:1;left:28px;bottom:28px;background:#fff;border-radius:15px;padding:18px 20px;max-width:285px;box-shadow:var(--shadow)}
.visual-card strong{display:block;font-size:20px;color:var(--navy);margin-bottom:5px}.visual-card span{font-size:13px;color:var(--muted)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}.tag.mint{background:#eaf6f2;color:var(--mint)}
.section{padding:88px 0}.soft-section{background:var(--ice);border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:36px}.section-head h2{font-size:37px;line-height:1.25;letter-spacing:-.04em;color:var(--navy)}.section-head p{max-width:570px;color:var(--muted)}
.case-feature{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.case-main{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
.case-main img{height:330px;object-fit:cover}.case-body{padding:27px 30px}.case-body h3{font-size:27px;color:var(--navy);line-height:1.35;margin:14px 0 12px}.case-body p{color:var(--muted)}
.case-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px}
.case-side{display:flex;flex-direction:column;gap:12px}.case-item{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:19px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.25s}.case-item:hover{transform:translateX(4px);border-color:var(--sky);box-shadow:var(--shadow-sm)}.case-no{font-size:24px;font-weight:800;color:#b4cfe2}.case-item h3{font-size:17px;color:var(--navy);line-height:1.45}.case-item p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:4px}
.observe-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}.observe-cell{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}.observe-cell b{display:block;color:var(--navy);font-size:18px;margin-bottom:4px}.observe-cell span{font-size:13px;color:var(--muted)}
.reading{display:grid;grid-template-columns:1.4fr .6fr;gap:54px}.article-copy h2{font-size:34px;color:var(--navy);line-height:1.35;margin-bottom:22px}.article-copy h3{font-size:21px;color:var(--navy);margin:27px 0 8px}.article-copy p{color:#4f6172;margin-bottom:17px}.quote{margin:26px 0;padding:20px 24px;border-left:4px solid var(--sky);background:#f0f7fb;color:var(--navy);font-weight:600;border-radius:0 12px 12px 0}.check-list{list-style:none;display:grid;gap:11px;margin:18px 0}.check-list li{position:relative;padding-left:27px;color:#526477}.check-list li:before{content:"✓";position:absolute;left:0;top:1px;color:var(--mint);font-weight:800}
.side-note{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;align-self:start;position:sticky;top:24px}.side-note h3{color:var(--navy);font-size:19px;margin-bottom:15px}.side-note a{display:block;padding:11px 0;border-bottom:1px solid #edf2f6;color:#53697c;font-size:14px}.side-note a:hover{color:var(--blue)}.side-note small{display:block;color:var(--muted);margin-top:18px;line-height:1.7}
.archive{display:grid;grid-template-columns:1fr 330px;gap:26px}.archive-list{display:grid;gap:12px}.archive-row{display:grid;grid-template-columns:105px 105px 1fr auto;align-items:center;gap:15px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.25s}.archive-row:hover{border-color:var(--sky);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.archive-row time{font-size:13px;color:var(--muted)}.archive-row h3{font-size:17px;color:var(--navy)}.archive-row p{font-size:13px;color:var(--muted);line-height:1.65}
.index-panel{background:var(--navy);color:#fff;border-radius:20px;padding:28px;align-self:start}.index-panel h3{font-size:21px;margin-bottom:17px}.index-panel a{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.15);color:#d9eaf5;font-size:14px}.index-panel a:hover{color:#fff;padding-left:5px}.index-panel p{color:#b8d0e0;font-size:14px;margin-top:22px}
.faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:55px}.faq-grid h2{font-size:35px;color:var(--navy);line-height:1.3}.faq-grid>div>p{color:var(--muted);margin:15px 0 23px}.faq-list{display:grid;gap:10px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.faq-q{width:100%;border:0;background:#fff;color:var(--navy);padding:18px 20px;text-align:left;font-weight:700;display:flex;justify-content:space-between;align-items:center}.faq-q span{font-size:22px;color:var(--blue);transition:.2s}.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:15px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta{padding:34px 40px;background:#eaf4fb;border:1px solid #d6e8f4;border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{color:var(--navy);font-size:27px}.cta p{color:var(--muted);margin-top:4px}
footer{background:#eef4f8;border-top:1px solid var(--line);padding:55px 0 22px}.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px}.footer-brand .brand{margin-bottom:17px}.footer-brand p{max-width:360px;color:var(--muted);font-size:14px;line-height:1.8}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{color:var(--navy);font-size:15px;margin-bottom:6px}.footer-col a{font-size:14px;color:#607284}.footer-col a:hover{color:var(--blue)}.footer-bottom{border-top:1px solid #d6e2eb;margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#718294;font-size:12px}.footer-bottom a{color:#53697c}.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1050px){.nav-list{gap:2px}.nav-item{padding:9px 7px;font-size:13px}.brand{min-width:145px}.archive{grid-template-columns:1fr 280px}}
@media(max-width:820px){.container{width:min(var(--max),calc(100% - 48px))}.nav-panel{flex-wrap:wrap}.nav-list{display:none;order:4;width:100%;flex-basis:100%;grid-template-columns:repeat(2,1fr);padding-top:10px}.nav-list.show{display:grid}.nav-cta{margin-left:auto}.menu-toggle{display:block}.hero-banner,.reading,.archive,.faq-grid,.case-feature{grid-template-columns:1fr}.hero{padding-top:35px}.hero-visual{min-height:350px}.side-note{position:static}.observe-bar{grid-template-columns:repeat(2,1fr)}.archive-row{grid-template-columns:90px 95px 1fr}.archive-row .text-link{font-size:0}.archive-row .text-link:after{font-size:20px}}
@media(max-width:560px){.container{width:calc(100% - 32px)}.site-header{padding-top:14px}.brand{font-size:19px;min-width:auto}.nav-panel{padding-left:13px;gap:9px}.nav-cta{padding:9px 12px;font-size:13px}.hero h1{font-size:40px}.hero-intro{font-size:16px}.hero-visual{min-height:285px;border-width:5px}.visual-card{left:15px;bottom:15px;padding:14px;max-width:240px}.section{padding:62px 0}.section-head{display:block}.section-head h2{font-size:29px;margin-bottom:11px}.case-main img{height:230px}.case-body{padding:22px}.case-body h3{font-size:23px}.archive-row{display:block;padding:16px}.archive-row time,.archive-row .tag{margin-right:8px}.archive-row h3{margin:8px 0 3px}.observe-bar{gap:8px}.observe-cell{padding:15px}.reading{gap:26px}.article-copy h2{font-size:28px}.cta{display:block;padding:26px 22px}.cta .btn{margin-top:18px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block;line-height:2}.footer-bottom div{margin-bottom:4px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
 --navy:#163b67;
 --blue:#2674b8;
 --sky:#4a9ddb;
 --mint:#2f8b7b;
 --ink:#1d2935;
 --muted:#667085;
 --soft:#eaf1f7;
 --ice:#f5f9fc;
 --warm:#fbfcfe;
 --line:#dce7f0;
 --white:#fff;
 --radius:18px;
 --shadow:0 14px 36px rgba(22,59,103,.09);
 --shadow-sm:0 7px 20px rgba(22,59,103,.07);
 --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--warm);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.85;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.site-header{padding:24px 0 8px;position:relative;z-index:20}
.nav-panel{min-height:82px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:flex;align-items:center;padding:12px 14px 12px 20px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:170px;color:var(--navy);font-size:22px;font-weight:800;letter-spacing:-.04em}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--navy);position:relative;display:grid;place-items:center;overflow:hidden}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #8dcced;border-radius:6px;transform:rotate(45deg)}
.brand-mark:before{width:17px;height:17px}
.brand-mark:after{width:28px;height:28px;border-color:rgba(255,255,255,.4)}
.brand-mark span{width:7px;height:7px;background:#fff;border-radius:50%;position:relative;z-index:1}
.nav-list{display:flex;align-items:center;justify-content:center;gap:6px;flex:1}
.nav-item{display:flex;align-items:center;gap:7px;padding:10px 11px;border-radius:12px;color:#526477;font-size:14px;white-space:nowrap;transition:.25s}
.nav-item svg{width:17px;height:17px;stroke:currentColor}
.nav-item:hover,.nav-item.active{background:#eaf3fa;color:var(--navy)}
.nav-item.active{font-weight:700}
.nav-cta{white-space:nowrap}
.menu-toggle{display:none;background:var(--ice);color:var(--navy);border:1px solid var(--line);border-radius:10px;width:44px;height:44px}
.btn{min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;transition:.25s}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 8px 18px rgba(22,59,103,.16)}
.btn-primary:hover{background:var(--blue);transform:translateY(-2px)}
.btn-secondary{background:#edf6fc;color:var(--navy);border-color:#d9eaf5}
.btn-secondary:hover{background:#fff;border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn:focus-visible,.nav-item:focus-visible,.text-link:focus-visible,button:focus-visible{outline:3px solid rgba(74,157,219,.42);outline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:26px;height:2px;background:var(--sky)}
.hero{padding:46px 0 62px}
.topic-banner{position:relative;min-height:465px;border-radius:28px;background:var(--ice);border:1px solid var(--line);overflow:hidden;padding:68px 56px;display:flex;align-items:center}
.topic-copy{position:relative;z-index:2;width:53%;max-width:630px}
.topic-copy h1{font-size:clamp(40px,5vw,64px);line-height:1.14;letter-spacing:-.06em;color:var(--navy);margin:20px 0 22px}
.topic-copy h1 em{font-style:normal;color:var(--blue)}
.topic-copy p{font-size:18px;color:var(--muted);max-width:590px;margin:0 0 28px}
.topic-actions{display:flex;flex-wrap:wrap;gap:12px}
.topic-art{position:absolute;right:5%;top:46px;width:43%;height:375px}
.topic-art img{height:100%;object-fit:cover;border-radius:24px 10px 24px 10px;border:7px solid #fff;box-shadow:var(--shadow);transform:rotate(3deg)}
.topic-art:before{content:"";position:absolute;width:220px;height:220px;right:-28px;top:-25px;border:1px solid #c7ddea;border-radius:32px;transform:rotate(18deg)}
.topic-art:after{content:"专题阅读";position:absolute;left:-25px;bottom:24px;background:var(--navy);color:white;padding:12px 18px;border-radius:12px;font-size:13px;letter-spacing:.08em;box-shadow:var(--shadow-sm)}
.section{padding:88px 0}
.soft-section{background:var(--ice);border-top:1px solid #edf3f7;border-bottom:1px solid #edf3f7}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:36px}
.section-head h2{font-size:38px;line-height:1.25;letter-spacing:-.03em;color:var(--navy);margin:12px 0 0}
.section-head p{max-width:560px;color:var(--muted);font-size:16px;margin:0}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:99px;background:#edf6fb;color:var(--blue);font-size:12px;font-weight:700;line-height:1.5}
.tag.mint{background:#eaf6f2;color:var(--mint)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c8ddeb}
.intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:start}
.intro-copy h3{font-size:25px;color:var(--navy);margin:0 0 15px}
.intro-copy p{margin:0 0 18px;color:#4d6072}
.intro-copy blockquote{margin:27px 0;padding:20px 24px;border-left:4px solid var(--sky);background:#f1f7fb;color:var(--navy);font-size:18px;border-radius:0 13px 13px 0}
.note-panel{padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px;position:sticky;top:24px}
.note-panel h3{margin:0 0 17px;color:var(--navy);font-size:21px}
.note-panel ol{margin:0;padding-left:23px;color:var(--muted)}
.note-panel li{padding:7px 0}
.note-panel li::marker{color:var(--blue);font-weight:700}
.magazine-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;grid-template-rows:auto auto;gap:18px}
.mag-card{overflow:hidden;display:flex;flex-direction:column}
.mag-card.large{grid-row:span 2}
.mag-card img{height:205px;object-fit:cover}
.mag-card.large img{height:310px}
.mag-body{padding:22px}
.mag-body h3{font-size:22px;line-height:1.4;color:var(--navy);margin:12px 0 9px}
.mag-card:not(.large) .mag-body h3{font-size:18px}
.mag-body p{color:var(--muted);font-size:14px;margin:0 0 14px;line-height:1.75}
.mag-meta{display:flex;justify-content:space-between;align-items:center;color:#8090a0;font-size:13px}
.short-topics{margin-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.short-item{padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;justify-content:space-between;gap:15px;align-items:center}
.short-item strong{color:var(--navy);font-size:15px}
.short-item span{color:var(--sky);font-size:20px}
.path-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:start}
.path-intro{padding-top:12px}
.path-intro h2{font-size:36px;line-height:1.3;color:var(--navy);margin:14px 0}
.path-intro p{color:var(--muted)}
.path-list{position:relative;padding-left:30px}
.path-list:before{content:"";position:absolute;left:9px;top:15px;bottom:15px;width:1px;background:#cbdde9}
.path-step{position:relative;padding:0 0 28px 26px}
.path-step:before{content:"";position:absolute;left:-27px;top:5px;width:17px;height:17px;border:4px solid var(--ice);background:var(--blue);border-radius:50%;box-shadow:0 0 0 1px var(--sky)}
.path-step:last-child{padding-bottom:0}
.path-step b{display:block;color:var(--navy);font-size:18px;margin-bottom:4px}
.path-step span{display:block;color:var(--muted);font-size:14px}
.deep-section{padding:90px 0;background:#fff}
.deep-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px}
.deep-copy h2{font-size:36px;color:var(--navy);line-height:1.3;margin:12px 0 20px}
.deep-copy h3{color:var(--navy);font-size:21px;margin:28px 0 8px}
.deep-copy p{color:#4d6072;margin:0 0 16px}
.deep-copy ul{padding-left:22px;color:#4d6072}
.deep-copy li{margin:8px 0}
.info-stack{display:grid;gap:15px}
.info-box{padding:22px 24px;background:var(--ice);border:1px solid var(--line);border-radius:16px}
.info-box small{color:var(--blue);font-weight:700;letter-spacing:.08em}
.info-box h3{font-size:20px;color:var(--navy);margin:8px 0}
.info-box p{color:var(--muted);font-size:14px;margin:0}
.topic-index{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.index-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}
.index-card strong{display:flex;justify-content:space-between;color:var(--navy);font-size:17px}
.index-card strong span{font-size:13px;color:var(--sky)}
.index-card p{font-size:14px;color:var(--muted);margin:11px 0 0;line-height:1.7}
.reading-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.reading-item{display:grid;grid-template-columns:92px 1fr auto;gap:17px;align-items:center;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:15px}
.reading-date{color:var(--blue);font-size:13px;font-weight:700}
.reading-item h3{font-size:17px;color:var(--navy);margin:0 0 3px}
.reading-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
.reading-arrow{color:var(--blue);font-size:22px}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:52px;align-items:start}
.faq-side h2{font-size:36px;color:var(--navy);line-height:1.3;margin:14px 0}
.faq-side p{color:var(--muted)}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:#fff;color:var(--navy);padding:18px 21px;font-weight:700}
.faq-question span{font-size:22px;color:var(--blue);transition:.25s}
.faq-answer{max-height:0;overflow:hidden;padding:0 21px;color:var(--muted);font-size:14px;line-height:1.8;transition:max-height .3s,padding .3s}
.faq-item.open .faq-answer{max-height:180px;padding:0 21px 18px}
.faq-item.open .faq-question span{transform:rotate(45deg)}
.cta-band{padding:22px;background:var(--soft);border:1px solid #d5e5ef;border-radius:20px}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
.cta-inner h2{color:var(--navy);font-size:25px;margin:0 0 5px}
.cta-inner p{color:var(--muted);margin:0;font-size:14px}
footer{background:var(--ice);border-top:1px solid var(--line);padding:60px 0 22px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px}
.footer-brand p{max-width:330px;color:var(--muted);font-size:14px}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h3{color:var(--navy);font-size:16px;margin:5px 0 8px}
.footer-col a{color:var(--muted);font-size:14px;transition:.2s}
.footer-col a:hover{color:var(--blue);transform:translateX(3px)}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 28px;color:#82909d;font-size:12px}
.footer-bottom a{color:#667d91}
.footer-bottom a:hover{color:var(--blue)}
@media(max-width:1100px){
 .nav-list{gap:1px}.nav-item{padding:9px 7px;font-size:13px}.brand{min-width:145px}
 .topic-banner{padding:50px 38px}.topic-copy{width:57%}.topic-art{width:40%;right:4%}
 .topic-index{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
 .container{width:min(var(--max),calc(100% - 48px))}
 .nav-panel{flex-wrap:wrap}.nav-list{display:none;order:4;flex-basis:100%;justify-content:flex-start;flex-wrap:wrap;padding-top:8px}.nav-list.open{display:flex}.menu-toggle{display:block}.nav-cta{margin-left:auto}
 .topic-banner{min-height:650px;padding:42px 28px;display:block}.topic-copy{width:100%;max-width:none}.topic-art{position:relative;right:auto;top:auto;width:80%;height:280px;margin:34px auto 0}
 .intro-grid,.path-layout,.deep-grid,.faq-layout{grid-template-columns:1fr;gap:30px}.note-panel{position:static}
 .magazine-grid{grid-template-columns:1fr 1fr}.mag-card.large{grid-column:span 2;grid-row:auto}.mag-card.large img{height:270px}
 .reading-list{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1.5fr 1fr 1fr}
}
@media(max-width:560px){
 .container{width:calc(100% - 32px)}
 .site-header{padding-top:16px}.nav-panel{padding:11px 12px}.brand{font-size:19px;min-width:auto}.brand-mark{width:34px;height:34px}.nav-cta{padding:9px 13px;font-size:13px}
 .hero{padding-top:28px}.topic-banner{padding:32px 20px;min-height:620px}.topic-copy h1{font-size:40px}.topic-copy p{font-size:16px}.topic-art{width:100%;height:240px}.topic-art:after{left:10px}
 .section,.deep-section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head h2,.deep-copy h2,.faq-side h2{font-size:29px}.section-head p{margin-top:12px}
 .magazine-grid{display:block}.mag-card{margin-bottom:14px}.mag-card img,.mag-card.large img{height:220px}.short-topics,.topic-index{grid-template-columns:1fr}
 .reading-item{grid-template-columns:1fr auto;gap:3px 12px}.reading-date{grid-column:1/-1}.reading-item p{grid-column:1/2}
 .cta-inner{display:block}.cta-inner .btn{margin-top:17px;width:100%}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom div{margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}