/* roulang page: index */
:root{
      --pine:#1f4d45;
      --pine-deep:#143a35;
      --pine-soft:#dfeae2;
      --ink:#18211e;
      --muted:#66706c;
      --paper:#f5f1e8;
      --paper-2:#fbfaf6;
      --mist:#eaf0ea;
      --line:#d9ded6;
      --orange:#b85f3e;
      --orange-soft:#f1ddd3;
      --white:#fffefa;
      --shadow:0 16px 42px rgba(25,55,46,.09);
      --shadow-small:0 7px 18px rgba(25,55,46,.07);
      --r-sm:10px;
      --r-md:16px;
      --r-lg:24px;
      --wrap:1220px;
      --ease:240ms ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    img{display:block;max-width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    ul,ol{list-style:none}
    .container{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--pine);font-size:13px;font-weight:700;letter-spacing:.12em;
      text-transform:uppercase
    }
    .eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}
    .section{padding:92px 0}
    .section.compact{padding:68px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:36px}
    .section-head h2{font-size:clamp(30px,4vw,43px);line-height:1.2;letter-spacing:-.03em;font-weight:750}
    .section-head p{max-width:570px;color:var(--muted);font-size:16px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:999px;
      font-size:15px;font-weight:700;transition:transform var(--ease),background var(--ease),border var(--ease),color var(--ease),box-shadow var(--ease)
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,summary:focus-visible,input:focus-visible{
      outline:3px solid rgba(184,95,62,.38);outline-offset:3px
    }
    .btn-primary{background:var(--pine);color:var(--white)}
    .btn-primary:hover{background:var(--pine-deep)}
    .btn-secondary{background:transparent;border-color:var(--line);color:var(--pine)}
    .btn-secondary:hover{border-color:var(--pine);background:var(--white)}
    .btn-text{padding:0;min-height:40px;color:var(--pine);border-radius:0;position:relative}
    .btn-text:after{content:"";height:1px;position:absolute;left:0;right:22px;bottom:5px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
    .btn-text:hover{box-shadow:none;transform:none}
    .btn-text:hover:after{transform:scaleX(1)}
    .tag{
      display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:999px;
      color:var(--pine);background:var(--pine-soft);font-size:12px;font-weight:700
    }
    .tag.orange{color:#873d26;background:var(--orange-soft)}
    .topline{height:4px;background:var(--orange)}
    header{
      position:sticky;top:0;z-index:20;background:rgba(245,241,232,.88);
      border-bottom:1px solid rgba(217,222,214,.88);backdrop-filter:blur(13px)
    }
    .nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}
    .logo-mark{width:26px;height:26px;border:2px solid var(--pine);border-radius:50%;position:relative}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}
    .logo-mark:before{width:8px;height:2px;left:7px;top:6px}
    .logo-mark:after{width:2px;height:8px;left:11px;top:10px}
    .nav{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}
    .nav-link{position:relative;padding:27px 2px 24px;color:#4c5b55;font-size:14px;white-space:nowrap;transition:color var(--ease)}
    .nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--pine);font-weight:700}
    .nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
    .nav-action{display:flex;align-items:center;gap:12px}
    .nav-search{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--pine);font-size:18px}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--pine);width:44px;height:44px;border-radius:50%;font-size:20px}
    .hero{
      min-height:680px;display:flex;align-items:end;position:relative;overflow:hidden;
      background:var(--pine-deep) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      color:var(--white)
    }
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,43,37,.95) 0%,rgba(16,58,49,.78) 48%,rgba(15,47,40,.36) 100%)}
    .hero-inner{position:relative;z-index:1;width:100%;padding:116px 0 52px}
    .hero-content{max-width:760px}
    .hero .eyebrow{color:#d9e9df}
    .hero h1{font-size:clamp(42px,6vw,70px);line-height:1.13;letter-spacing:-.055em;font-weight:750;margin:18px 0 23px}
    .hero-lead{max-width:700px;color:#e4eee8;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
    .hero .btn-primary{background:var(--orange)}
    .hero .btn-primary:hover{background:#93462f}
    .hero .btn-secondary{border-color:rgba(255,255,255,.35);color:var(--white)}
    .hero .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .hero-meta{display:flex;align-items:stretch;gap:0;margin-top:78px;border-top:1px solid rgba(255,255,255,.24);max-width:920px}
    .meta-item{padding:17px 28px 0 0;margin-right:28px;border-right:1px solid rgba(255,255,255,.2);font-size:13px;color:#cdded6}
    .meta-item:last-child{border-right:0}
    .meta-item strong{display:block;color:#fff;font-size:15px;margin-bottom:4px}
    .countdown{display:flex;gap:8px;align-items:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#f3d0c2}
    .countdown b{font-size:18px;color:#fff}
    .anchor-strip{background:var(--paper-2);border-bottom:1px solid var(--line)}
    .anchor-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:78px}
    .anchor-note{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:14px}
    .anchor-note strong{color:var(--pine)}
    .anchor-link{color:var(--pine);font-weight:700;font-size:14px}
    .anchor-link span{color:var(--orange);padding-left:7px}
    .obstacle{background:var(--mist)}
    .obstacle-grid{display:grid;grid-template-columns:220px 1fr;gap:70px}
    .side-title h2{font-size:34px;line-height:1.3;margin-top:16px}
    .side-title p{color:var(--muted);margin-top:18px}
    .long-copy{max-width:760px}
    .long-copy p{color:#43504b;margin-bottom:19px}
    .long-copy p:last-child{margin-bottom:0}
    .reading-list{border-top:1px solid #cdd8cf;margin-top:28px}
    .reading-item{display:grid;grid-template-columns:52px 190px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid #cdd8cf}
    .reading-no{color:var(--orange);font:700 18px/1.5 ui-monospace,monospace}
    .reading-item h3{font-size:18px;line-height:1.45}
    .reading-item p{color:var(--muted);font-size:14px}
    .quote-line{margin-top:30px;padding:20px 24px;border-left:3px solid var(--orange);background:rgba(255,255,255,.42);color:var(--pine-deep);font-weight:650}
    .rail-section{padding:70px 0 48px;background:var(--paper-2)}
    .topic-rail{display:grid;grid-template-columns:1.25fr .9fr .9fr .9fr;gap:14px}
    .topic-card{min-height:190px;padding:23px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);transition:transform var(--ease),box-shadow var(--ease)}
    .topic-card:first-child{min-height:220px;background:var(--pine);color:var(--white);display:flex;flex-direction:column;justify-content:end}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .topic-card h3{font-size:21px;line-height:1.4;margin:22px 0 8px}
    .topic-card p{color:var(--muted);font-size:14px;line-height:1.75}
    .topic-card:first-child p{color:#d6e7dd}
    .method{background:var(--paper)}
    .method-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:stretch}
    .method-image{position:relative;min-height:510px;border-radius:var(--r-lg);overflow:hidden;background:#d6dfd6}
    .method-image img{width:100%;height:100%;object-fit:cover}
    .method-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,52,44,.55),transparent 62%)}
    .editor-note{position:absolute;z-index:1;left:22px;bottom:22px;padding:16px 18px;background:var(--paper-2);color:var(--pine-deep);border-left:3px solid var(--orange);max-width:260px;font-size:14px}
    .method-copy{padding:15px 0}
    .method-copy h2{font-size:38px;line-height:1.25;margin:15px 0 18px}
    .method-copy>p{color:var(--muted);margin-bottom:26px}
    .method-node{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--line)}
    .method-node:last-child{border-bottom:1px solid var(--line)}
    .method-node .no{font:700 18px ui-monospace,monospace;color:var(--orange)}
    .method-node h3{font-size:19px;margin-bottom:5px}
    .method-node p{font-size:14px;color:var(--muted);line-height:1.75}
    .method-node a{display:inline-flex;margin-top:8px;color:var(--pine);font-size:13px;font-weight:700}
    .method-node a span{color:var(--orange);margin-left:8px}
    .note-section{padding:42px 0;background:#e5ebe3}
    .note-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .note-block{padding:24px 26px;background:rgba(255,255,255,.5);border-top:2px solid var(--pine)}
    .note-block h3{font-size:18px;margin-bottom:8px}
    .note-block p{font-size:14px;color:var(--muted)}
    .archive{background:var(--pine-deep);color:var(--white);position:relative;overflow:hidden}
    .archive:after{content:"";position:absolute;right:-100px;top:-100px;width:360px;height:360px;border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 35px rgba(255,255,255,.035),0 0 0 70px rgba(255,255,255,.025)}
    .archive .section-head p{color:#bdd0c6}
    .archive .eyebrow{color:#d7e6de}
    .archive-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:72px;position:relative;z-index:1}
    .archive-copy h2{font-size:42px;line-height:1.25;margin:15px 0 18px}
    .archive-copy>p{color:#c4d6cc;line-height:1.9}
    .archive-quote{margin-top:28px;padding:20px;border:1px solid rgba(255,255,255,.17);color:#f3e9d8;font-size:15px}
    .archive-blocks{display:grid;grid-template-columns:1.1fr .9fr;grid-template-rows:1fr 1fr;gap:14px}
    .archive-card{padding:22px;border:1px solid rgba(255,255,255,.17);background:rgba(255,255,255,.06);border-radius:var(--r-md)}
    .archive-card.large{grid-row:span 2;background:#e9eee5;color:var(--pine-deep)}
    .archive-card b{display:block;font-size:32px;line-height:1.1;color:var(--orange);margin-bottom:9px}
    .archive-card h3{font-size:18px;margin-bottom:7px}
    .archive-card p{font-size:14px;color:#c0d1c8}
    .archive-card.large p{color:#5b6962}
    .timeline{background:var(--paper-2)}
    .timeline-layout{display:grid;grid-template-columns:280px 1fr;gap:72px}
    .timeline-intro h2{font-size:36px;line-height:1.3;margin:14px 0}
    .timeline-intro p{color:var(--muted)}
    .timeline-list{border-left:1px solid #bac9bd}
    .timeline-row{position:relative;padding:0 0 26px 34px;display:grid;grid-template-columns:120px 1fr;gap:18px}
    .timeline-row:before{content:"";position:absolute;left:-6px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--orange);border:3px solid var(--paper-2)}
    .timeline-row time{font:700 13px ui-monospace,monospace;color:var(--pine)}
    .timeline-row h3{font-size:18px;margin-bottom:4px}
    .timeline-row p{font-size:14px;color:var(--muted)}
    .data-section{background:#eef2ec}
    .data-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px}
    .data-copy h2{font-size:39px;line-height:1.25;margin:16px 0}
    .data-copy p{color:var(--muted);margin-bottom:16px}
    .data-points{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .data-card{padding:22px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md)}
    .data-card b{display:block;font:700 25px ui-monospace,monospace;color:var(--pine);margin-bottom:6px}
    .data-card h3{font-size:17px;margin-bottom:4px}
    .data-card p{font-size:13px;margin:0}
    .news{background:var(--paper)}
    .news-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:24px}
    .lead-news{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper-2)}
    .lead-news figure{height:300px;overflow:hidden;background:#d6dfd6}
    .lead-news img{width:100%;height:100%;object-fit:cover}
    .lead-news-body{padding:25px 28px 28px}
    .lead-news h3{font-size:27px;line-height:1.35;margin:13px 0}
    .lead-news p,.news-item p{font-size:14px;color:var(--muted)}
    .news-list{border-top:1px solid var(--line)}
    .news-item{padding:16px 0;border-bottom:1px solid var(--line)}
    .news-item-head{display:flex;align-items:center;gap:11px;margin-bottom:4px}
    .news-item time{font:13px ui-monospace,monospace;color:var(--orange)}
    .news-item h3{font-size:17px;line-height:1.45}
    .news-item p{line-height:1.65;margin-bottom:4px}
    .feedback{background:var(--mist)}
    .feedback-grid{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:16px;align-items:start}
    .feedback-card{padding:27px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-small)}
    .feedback-card.wide{min-height:245px;background:var(--pine);color:var(--white);transform:translateY(20px)}
    .feedback-card:nth-child(2){margin-top:65px}
    .feedback-card:nth-child(3){margin-top:10px}
    .feedback-mark{font:700 46px Georgia,serif;color:var(--orange);line-height:1}
    .feedback-card blockquote{font-size:18px;line-height:1.8;margin:10px 0 23px}
    .feedback-card:not(.wide) blockquote{font-size:16px}
    .feedback-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}
    .wide .feedback-meta{color:#c8d9d0}
    .principles{padding:70px 0;background:var(--paper-2)}
    .principles-grid{display:grid;grid-template-columns:220px 1fr;gap:70px}
    .principles-copy{columns:2;column-gap:48px}
    .principles-copy p{break-inside:avoid;color:#4a5751;margin-bottom:18px}
    .principles-copy strong{color:var(--pine)}
    .faq{background:var(--paper)}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px}
    .faq-intro h2{font-size:40px;line-height:1.25;margin:15px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list details{border-top:1px solid var(--line)}
    .faq-list details:last-child{border-bottom:1px solid var(--line)}
    .faq-list summary{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 0;cursor:pointer;list-style:none;font-weight:700;color:var(--pine)}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";color:var(--orange);font-size:24px;font-weight:400}
    .faq-list details[open] summary:after{content:"−"}
    .faq-answer{padding:0 38px 20px 0;color:var(--muted);font-size:14px}
    .cta{padding:34px 0 96px;background:var(--paper)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:39px 44px;border:1px solid var(--pine);border-radius:var(--r-lg);background:var(--paper-2)}
    .cta-box h2{font-size:32px;line-height:1.3;margin:10px 0}
    .cta-box p{color:var(--muted);max-width:650px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:10px;flex-shrink:0}
    footer{background:var(--pine-deep);color:#d9e5dd;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr 1fr;gap:45px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.16)}
    .footer-logo{color:#fff;font-size:24px;font-weight:800;margin-bottom:12px}
    .footer-col h3{font-size:14px;color:#fff;margin-bottom:14px}
    .footer-col p,.footer-col a{font-size:13px;color:#b9ccc1;line-height:2}
    .footer-col a{display:block;transition:color var(--ease)}
    .footer-col a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:22px;color:#a9beb3;font-size:12px}
    .footer-bottom a{color:#d4e2d9}
    .mobile-panel{display:none}
    @media (max-width:1200px){
      .nav{gap:13px}.logo{min-width:160px}.nav-link{font-size:13px}
    }
    @media (max-width:992px){
      .nav{display:none}.nav-action{margin-left:auto}.menu-toggle{display:block}
      .nav-wrap{height:70px}.mobile-panel{position:absolute;top:70px;left:0;right:0;background:var(--paper-2);border-bottom:1px solid var(--line);padding:18px 24px;box-shadow:var(--shadow);display:none}
      .mobile-panel.open{display:block}.mobile-panel a{display:block;padding:12px 0;border-bottom:1px solid var(--line);color:var(--pine);font-weight:700}
      .hero{min-height:650px}.hero-inner{padding-top:100px}
      .obstacle-grid,.principles-grid,.timeline-layout{grid-template-columns:1fr;gap:34px}
      .side-title{max-width:550px}.principles-copy{columns:1}
      .method-grid,.data-layout,.faq-layout{grid-template-columns:1fr;gap:38px}
      .method-image{min-height:390px}.archive-grid{grid-template-columns:1fr;gap:38px}
      .news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .footer-grid .footer-col:last-child{grid-column:span 3}
    }
    @media (max-width:768px){
      .container{width:min(100% - 40px,var(--wrap))}
      .section{padding:68px 0}.section.compact{padding:48px 0}
      .section-head{display:block;margin-bottom:26px}.section-head p{margin-top:13px}
      .hero{min-height:650px}.hero h1{font-size:44px}.hero-lead{font-size:16px}
      .hero-meta{margin-top:55px;display:grid;grid-template-columns:1fr 1fr;gap:0}
      .meta-item{padding:14px 12px 0 0;margin:0;border-right:0}
      .anchor-inner{display:block;padding:17px 0}.anchor-link{display:block;margin-top:7px}
      .topic-rail{grid-template-columns:1fr 1fr}.topic-card:first-child{grid-column:span 2}
      .reading-item{grid-template-columns:40px 1fr}.reading-item p{grid-column:2}
      .archive-blocks{grid-template-columns:1fr 1fr}.archive-card.large{grid-row:span 1;grid-column:span 2}
      .timeline-row{grid-template-columns:1fr;gap:2px}
      .data-points{grid-template-columns:1fr 1fr}
      .feedback-grid{grid-template-columns:1fr}.feedback-card.wide,.feedback-card:nth-child(2),.feedback-card:nth-child(3){margin-top:0;transform:none}
      .cta-box{display:block;padding:30px}.cta-actions{margin-top:23px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid .footer-col:last-child{grid-column:span 2}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media (max-width:576px){
      .container{width:calc(100% - 32px)}.nav-wrap{height:64px}.logo{font-size:20px;min-width:auto}
      .nav-search{display:none}.mobile-panel{top:64px}
      .hero{min-height:680px}.hero-inner{padding:82px 0 34px}.hero h1{font-size:37px}
      .hero-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn{width:100%}
      .hero-meta{margin-top:42px}.meta-item{font-size:12px}.meta-item strong{font-size:14px}
      .topic-rail{grid-template-columns:1fr}.topic-card:first-child{grid-column:auto}
      .method-image{min-height:280px}.method-copy h2,.archive-copy h2,.data-copy h2{font-size:32px}
      .archive-blocks{grid-template-columns:1fr}.archive-card.large{grid-column:auto}
      .data-points{grid-template-columns:1fr}
      .lead-news figure{height:220px}.lead-news-body{padding:22px}.lead-news h3{font-size:23px}
      .footer-grid{grid-template-columns:1fr}.footer-grid .footer-col:last-child{grid-column:auto}
      .cta-actions{display:grid;grid-template-columns:1fr}.cta-actions .btn{width:100%}
    }
    @media (prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}
    }

/* roulang page: category1 */
:root{--pine:#1f4d45;--pine-deep:#143a35;--pine-soft:#dfeae2;--ink:#18211e;--muted:#66706c;--paper:#f5f1e8;--paper-2:#fbfaf6;--mist:#eaf0ea;--line:#d9ded6;--orange:#b85f3e;--orange-soft:#f1ddd3;--white:#fffefa;--shadow:0 16px 42px rgba(25,55,46,.09);--shadow-small:0 7px 18px rgba(25,55,46,.07);--r-sm:10px;--r-md:16px;--r-lg:24px;--wrap:1220px;--ease:240ms ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.container{width:min(var(--wrap),calc(100% - 48px));margin:auto}.section{padding:84px 0}.compact{padding:60px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:13px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(30px,3.6vw,42px);line-height:1.25;letter-spacing:-.035em}h3{line-height:1.45}.muted{color:var(--muted)}.btn{display:inline-flex;min-height:48px;padding:0 20px;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:750;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}.btn:focus-visible,a:focus-visible,summary:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(184,95,62,.4);outline-offset:3px}.btn-primary{background:var(--pine);color:var(--white)}.btn-primary:hover{background:var(--pine-deep)}.btn-secondary{border-color:var(--line);color:var(--pine);background:var(--white)}.btn-secondary:hover{border-color:var(--pine)}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:14px;font-weight:750}.text-link:after{content:"→";transition:transform var(--ease)}.text-link:hover:after{transform:translateX(5px)}.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--pine-soft);color:var(--pine);font-size:12px;font-weight:750}.tag.orange{background:var(--orange-soft);color:#813c27}
header{position:sticky;top:0;z-index:20;background:rgba(245,241,232,.9);border-bottom:1px solid rgba(217,222,214,.9);backdrop-filter:blur(13px)}.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}.logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}.logo-mark{position:relative;width:26px;height:26px;border:2px solid var(--pine);border-radius:50%}.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}.logo-mark:before{width:8px;height:2px;left:7px;top:6px}.logo-mark:after{width:2px;height:8px;left:11px;top:10px}.nav{display:flex;flex:1;justify-content:center;gap:22px}.nav-link{position:relative;padding:27px 2px 24px;color:#4c5b55;font-size:14px;white-space:nowrap}.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}.nav-link:hover,.nav-link.active{color:var(--pine);font-weight:750}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.nav-action{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--pine)}.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--white);color:var(--pine)}
.breadcrumb{padding:23px 0 8px;font-size:13px;color:var(--muted)}.breadcrumb a:hover{color:var(--pine)}.breadcrumb span{padding:0 9px;color:#a6afa9}
.page-hero{padding:34px 0 76px}.hero-grid{display:grid;grid-template-columns:5fr 6fr;gap:58px;align-items:end}.hero-copy h1{margin:15px 0 20px;font-size:clamp(42px,5vw,62px);line-height:1.12;letter-spacing:-.06em}.hero-copy p{max-width:550px;color:var(--muted);font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}.hero-image{min-height:420px;position:relative;overflow:hidden;border-radius:var(--r-lg);background:#cdd6cd}.hero-image img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.hero-image:after{content:"公开资料阅读";position:absolute;right:18px;bottom:18px;padding:7px 13px;background:rgba(255,254,250,.92);border-radius:999px;color:var(--pine);font-size:12px;font-weight:800}.hero-note{display:grid;grid-template-columns:auto 1fr;gap:15px;margin-top:26px;padding:15px 17px;border-top:1px solid var(--line);font-size:13px}.hero-note strong{color:var(--orange)}
.intro{background:var(--mist)}.intro-grid{display:grid;grid-template-columns:245px 1fr;gap:70px}.intro-side h2{font-size:32px;margin:14px 0}.intro-main{font-size:17px}.intro-main p{margin-bottom:19px}.point-list{border-top:1px solid #c9d6cd}.point{display:grid;grid-template-columns:48px 175px 1fr;gap:16px;padding:17px 0;border-bottom:1px solid #c9d6cd}.point b{color:var(--orange);font-family:monospace}.point h3{margin:0;font-size:17px}.point p{margin:0;color:var(--muted);font-size:14px}
.feature{display:grid;grid-template-columns:1.18fr .82fr;gap:30px;align-items:stretch}.feature-image{min-height:390px;border-radius:var(--r-lg);overflow:hidden;background:#ccd6cf}.feature-image img{width:100%;height:100%;object-fit:cover}.feature-copy{padding:42px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2)}.feature-copy h2{margin:14px 0 17px}.feature-copy p{color:var(--muted)}.feature-meta{display:flex;flex-wrap:wrap;gap:8px;margin:23px 0}
.theme-rail{background:var(--pine-deep);color:var(--white);padding:31px 0}.theme-inner{display:grid;grid-template-columns:180px 1fr;gap:25px;align-items:center}.theme-inner h2{font-size:21px;margin:0}.theme-list{display:flex;flex-wrap:wrap;gap:9px}.theme-list a{padding:8px 12px;border:1px solid rgba(255,255,255,.25);border-radius:999px;color:#e6eee9;font-size:13px;transition:background var(--ease)}.theme-list a:hover{background:rgba(255,255,255,.12)}
.timeline-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.timeline-head p{max-width:520px;color:var(--muted)}.timeline{border-top:1px solid var(--line)}.timeline-item{display:grid;grid-template-columns:120px 1fr auto;gap:28px;align-items:center;padding:22px 8px;border-bottom:1px solid var(--line)}.date{color:var(--orange);font-family:ui-monospace,monospace;font-weight:800;font-size:14px}.timeline-item h3{margin:0 0 5px;font-size:19px}.timeline-item p{margin:0;color:var(--muted);font-size:14px}.timeline-item:hover{background:var(--paper-2)}
.longread{background:var(--paper-2)}.long-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:88px}.long-aside{padding-top:8px}.long-aside .quote{padding:19px;border-left:3px solid var(--orange);background:var(--orange-soft);font-size:15px;line-height:1.75}.long-body{font-size:16px}.long-body h2{margin:10px 0 22px}.long-body h3{margin:31px 0 9px;font-size:22px}.long-body p{margin-bottom:18px}.long-body strong{color:var(--pine)}
.cards-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:20px}.article-card{display:flex;flex-direction:column;min-height:240px;padding:25px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);transition:transform var(--ease),box-shadow var(--ease)}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.article-card.featured{grid-row:span 2;padding:0;overflow:hidden}.article-card.featured img{width:100%;height:210px;object-fit:cover}.article-card .card-copy{padding:25px}.article-card h3{margin:15px 0 8px;font-size:20px}.article-card p{margin:0 0 18px;color:var(--muted);font-size:14px}.article-card .text-link{margin-top:auto}
.related{background:var(--mist)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-card{padding:24px;border:1px solid #ccd8cf;border-radius:var(--r-md);background:rgba(255,254,250,.6)}.related-card h3{font-size:19px;margin:13px 0 8px}.related-card p{font-size:14px;color:var(--muted);margin-bottom:17px}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:72px}.faq-intro p{color:var(--muted)}details{padding:17px 0;border-bottom:1px solid var(--line)}details:first-child{border-top:1px solid var(--line)}summary{display:flex;justify-content:space-between;gap:16px;color:var(--ink);font-weight:750;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}details[open] summary:after{content:"－"}details p{max-width:720px;margin:13px 32px 2px 0;color:var(--muted);font-size:15px}
.cta{padding:0 0 84px}.cta-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:38px 44px;border-radius:var(--r-lg);background:var(--pine);color:var(--white)}.cta-box h2{margin:0 0 8px;font-size:32px}.cta-box p{margin:0;color:#d5e4dc}.cta-box .btn{background:var(--orange);color:white}.cta-box .btn:hover{background:#93462f}
footer{background:var(--pine-deep);color:#dce9e2;padding:66px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:45px}.footer-logo{font-size:24px;font-weight:800;color:var(--white);margin-bottom:13px}.footer-col h3{color:var(--white);font-size:15px;margin:0 0 13px}.footer-col p,.footer-col a{display:block;color:#bcd0c6;font-size:13px;line-height:1.8;margin:0 0 6px}.footer-col a:hover{color:var(--white);text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:25px;margin-top:43px;border-top:1px solid rgba(255,255,255,.18);color:#a9c1b5;font-size:12px}.footer-bottom a:hover{color:white}
@media(max-width:1200px){.nav{gap:14px}.nav-link{font-size:13px}.hero-grid,.feature{gap:35px}}@media(max-width:992px){.nav{display:none}.nav-wrap{justify-content:space-between}.nav-action{display:none}.menu-toggle{display:block}.menu-open .nav{display:flex;position:absolute;top:78px;left:0;right:0;padding:18px 24px 28px;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line)}.menu-open .nav-link{padding:10px}.menu-open .nav-link:after{display:none}.hero-grid,.feature,.long-grid,.faq-layout{grid-template-columns:1fr}.hero-image{min-height:340px}.intro-grid{grid-template-columns:1fr;gap:24px}.long-grid{gap:28px}.cards-grid{grid-template-columns:1fr 1fr}.article-card.featured{grid-row:auto;grid-column:span 2}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-col:last-child{grid-column:span 3}}@media(max-width:768px){.container{width:min(100% - 40px,var(--wrap))}.section{padding:64px 0}.page-hero{padding-bottom:58px}.hero-grid{gap:26px}.hero-copy h1{font-size:42px}.intro-grid{gap:12px}.point{grid-template-columns:38px 1fr;gap:10px}.point p{grid-column:2}.theme-inner{grid-template-columns:1fr}.timeline-head{display:block}.timeline-item{grid-template-columns:90px 1fr;gap:12px}.timeline-item .text-link{grid-column:2}.cards-grid,.related-grid{grid-template-columns:1fr}.article-card.featured{grid-column:auto}.faq-layout{gap:25px}.cta-box{grid-template-columns:1fr;padding:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-col:last-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}}@media(max-width:576px){body{font-size:15px}.container{width:calc(100% - 40px)}.logo{min-width:auto}.hero-copy h1{font-size:36px}.hero-image{min-height:270px}.hero-actions .btn{width:100%}.feature-copy{padding:27px}.timeline-item{grid-template-columns:1fr;padding:19px 0}.timeline-item .text-link{grid-column:auto}.article-card.featured img{height:175px}.cta-box h2{font-size:27px}.cta-box .btn{width:100%}.footer-grid{grid-template-columns:1fr}.footer-col:last-child{grid-column:auto}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{--pine:#1f4d45;--pine-deep:#143a35;--pine-soft:#dfeae2;--ink:#18211e;--muted:#66706c;--paper:#f5f1e8;--paper-2:#fbfaf6;--mist:#eaf0ea;--line:#d9ded6;--orange:#b85f3e;--orange-soft:#f1ddd3;--white:#fffefa;--shadow:0 16px 42px rgba(25,55,46,.09);--shadow-small:0 7px 18px rgba(25,55,46,.07);--r-sm:10px;--r-md:16px;--r-lg:24px;--wrap:1220px;--ease:240ms ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}.container{width:min(var(--wrap),calc(100% - 48px));margin:auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:13px;font-weight:700;letter-spacing:.12em}.eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}.section{padding:88px 0}.section.compact{padding:62px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head h2{max-width:620px;margin:0;font-size:clamp(30px,4vw,42px);line-height:1.22;letter-spacing:-.04em}.section-head p{max-width:520px;margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;transition:transform var(--ease),background var(--ease),border var(--ease),box-shadow var(--ease)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}.btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,summary:focus-visible{outline:3px solid rgba(184,95,62,.42);outline-offset:3px}.btn-primary{background:var(--pine);color:var(--white)}.btn-primary:hover{background:var(--pine-deep)}.btn-secondary{border-color:var(--line);background:var(--white);color:var(--pine)}.btn-secondary:hover{border-color:var(--pine)}.btn-text{min-height:34px;padding:0;color:var(--pine);position:relative}.btn-text:hover{box-shadow:none;transform:none}.btn-text:after{content:"";position:absolute;bottom:2px;left:0;width:calc(100% - 20px);height:1px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}.btn-text:hover:after{transform:scaleX(1)}.tag{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:999px;background:var(--pine-soft);color:var(--pine);font-size:12px;font-weight:700}.tag.orange{background:var(--orange-soft);color:#873d26}
header{position:sticky;top:0;z-index:30;background:rgba(245,241,232,.9);border-bottom:1px solid rgba(217,222,214,.9);backdrop-filter:blur(13px)}.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}.logo{display:inline-flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}.logo-mark{width:26px;height:26px;border:2px solid var(--pine);border-radius:50%;position:relative}.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}.logo-mark:before{width:8px;height:2px;left:7px;top:6px}.logo-mark:after{width:2px;height:8px;left:11px;top:10px}.nav{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}.nav-link{position:relative;padding:27px 2px 24px;color:#4c5b55;font-size:14px;white-space:nowrap;transition:color var(--ease)}.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}.nav-link:hover,.nav-link.active{color:var(--pine);font-weight:700}.nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}.nav-action{display:flex;align-items:center}.nav-search{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--white);color:var(--pine);font-size:17px}.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--white);color:var(--pine);font-size:19px}
.breadcrumb{padding:25px 0 13px;color:var(--muted);font-size:13px}.breadcrumb a:hover{color:var(--pine)}.breadcrumb span{margin:0 8px;color:#a2aaa5}.data-hero{position:relative;overflow:hidden;background:var(--pine-deep);color:var(--white);min-height:505px}.data-hero:before{content:"";position:absolute;inset:0;opacity:.42;background-image:linear-gradient(90deg,rgba(255,255,255,.13) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px);background-size:52px 52px}.data-hero:after{content:"";position:absolute;width:660px;height:320px;border:1px solid rgba(235,241,232,.32);border-radius:50%;right:-150px;top:75px;transform:rotate(-13deg);box-shadow:0 0 0 45px rgba(255,255,255,.035),0 0 0 90px rgba(255,255,255,.025)}.data-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:65px;align-items:end;padding:58px 0 64px}.data-hero .eyebrow{color:#d9e9df}.data-hero h1{max-width:720px;margin:15px 0 18px;font-size:clamp(42px,5.5vw,64px);line-height:1.12;letter-spacing:-.055em}.data-hero p{max-width:670px;margin:0;color:#dce8e1;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}.data-hero .btn-primary{background:var(--orange)}.data-hero .btn-primary:hover{background:#91462f}.data-hero .btn-secondary{border-color:rgba(255,255,255,.34);background:transparent;color:#fff}.data-hero .btn-secondary:hover{background:rgba(255,255,255,.12)}.signal-board{position:relative;z-index:2;padding:26px;border:1px solid rgba(255,255,255,.24);border-radius:var(--r-lg);background:rgba(14,50,43,.62)}.signal-board h2{margin:0 0 16px;font-size:18px}.signal-row{display:grid;grid-template-columns:58px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid rgba(255,255,255,.15);font-size:13px}.signal-row:first-of-type{border-top:0}.signal-row b{color:#fff;font-size:14px}.signal-line{width:100%;height:6px;overflow:hidden;border-radius:999px;background:rgba(255,255,255,.15)}.signal-line i{display:block;height:100%;border-radius:999px;background:#e1b49e}.signal-row small{color:#cfe0d7}
.intro-grid{display:grid;grid-template-columns:300px 1fr;gap:78px}.intro-aside{padding-top:6px}.intro-aside h2{margin:15px 0;font-size:33px;line-height:1.28}.intro-aside p{color:var(--muted)}.intro-copy{font-size:17px}.intro-copy p{margin:0 0 20px}.intro-copy strong{color:var(--pine)}.definition-band{display:grid;grid-template-columns:1fr 1.3fr;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--mist)}.definition-lead{padding:34px;background:var(--pine);color:#fff}.definition-lead h2{margin:12px 0;font-size:29px;line-height:1.25}.definition-lead p{margin:0;color:#dce9e1}.definition-list{display:grid;grid-template-columns:repeat(2,1fr);background:var(--paper-2)}.definition-item{padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.definition-item:nth-child(even){border-right:0}.definition-item h3{margin:0 0 8px;font-size:18px}.definition-item p{margin:0;color:var(--muted);font-size:14px}
.method-wrap{display:grid;grid-template-columns:.88fr 1.12fr;gap:54px;align-items:stretch}.method-image{min-height:520px;position:relative;overflow:hidden;border-radius:var(--r-lg);background:#dce6df}.method-image img{width:100%;height:100%;object-fit:cover}.image-note{position:absolute;right:18px;bottom:18px;max-width:250px;padding:17px 18px;border-left:3px solid var(--orange);border-radius:var(--r-sm);background:rgba(255,254,250,.93);color:var(--ink);font-size:13px;line-height:1.65}.method-copy{padding:14px 0}.method-copy h2{margin:14px 0 20px;font-size:clamp(30px,4vw,40px);line-height:1.25}.method-copy>p{color:var(--muted);margin:0 0 25px}.method-step{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line)}.step-no{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:var(--orange-soft);color:#873d26;font-weight:800}.method-step h3{margin:0 0 6px;font-size:20px}.method-step p{margin:0;color:var(--muted);font-size:14px}.method-step a{display:inline-block;margin-top:7px;color:var(--pine);font-size:14px;font-weight:700}.method-step a:hover{text-decoration:underline}
.check-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px}.check-copy h2{margin:15px 0;font-size:37px;line-height:1.25}.check-copy p{color:var(--muted)}.check-list{display:grid;gap:12px;margin-top:28px}.check-list div{display:flex;gap:13px;align-items:flex-start;padding:15px 17px;border-radius:var(--r-sm);background:var(--white);border:1px solid var(--line)}.check-list b{color:var(--orange)}.meter-card{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:22px;border-radius:var(--r-lg);background:var(--pine);color:#fff}.meter-card article{padding:19px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-md)}.meter-card article:first-child{grid-column:span 2}.meter-card small{color:#cbded4}.meter-card strong{display:block;margin:7px 0;font-size:29px;line-height:1}.meter-card p{margin:0;color:#d5e4dc;font-size:13px;line-height:1.65}
.article-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:32px}.feature-article{overflow:hidden;border-radius:var(--r-lg);background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-small)}.feature-article img{width:100%;height:270px;object-fit:cover}.feature-body{padding:28px}.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px}.feature-body h3{margin:14px 0 11px;font-size:27px;line-height:1.35}.feature-body p{margin:0;color:var(--muted)}.article-list{border-top:1px solid var(--line)}.article-item{display:grid;grid-template-columns:112px 1fr auto;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}.article-item time{padding-top:3px;color:var(--orange);font-family:monospace;font-size:13px}.article-item h3{margin:0 0 5px;font-size:17px;line-height:1.45}.article-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.article-item a{color:var(--pine);font-size:14px;font-weight:700;white-space:nowrap}.article-item a:hover{text-decoration:underline}
.topic-rail{padding:38px 0;background:var(--pine-soft)}.rail-inner{display:flex;align-items:center;gap:26px}.rail-inner h2{min-width:150px;margin:0;font-size:23px;line-height:1.3}.rail-items{display:flex;flex-wrap:wrap;gap:10px}.rail-items a{padding:9px 13px;border:1px solid #bfd0c3;border-radius:999px;background:rgba(255,255,255,.45);font-size:14px;transition:background var(--ease),transform var(--ease)}.rail-items a:hover{background:var(--white);transform:translateY(-1px)}
.related-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:18px}.related-card{min-height:220px;padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white);transition:transform var(--ease),box-shadow var(--ease),border var(--ease)}.related-card:hover{transform:translateY(-4px);border-color:#bdcbbf;box-shadow:var(--shadow)}.related-card:first-child{background:var(--pine);color:#fff}.related-card h3{margin:18px 0 9px;font-size:23px;line-height:1.3}.related-card p{margin:0;color:var(--muted);font-size:14px}.related-card:first-child p{color:#d7e5dd}.related-card a{display:inline-block;margin-top:17px;font-weight:700;color:var(--pine)}.related-card:first-child a{color:#fff}.related-card a:hover{text-decoration:underline}
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:70px}.faq-intro h2{margin:15px 0;font-size:36px;line-height:1.25}.faq-intro p{color:var(--muted)}.faq-list{display:grid;gap:10px}details{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--white);transition:border var(--ease),background var(--ease)}details[open]{border-color:#b7cabe;background:#f6faf6}summary{position:relative;padding:17px 48px 17px 19px;color:var(--ink);font-weight:700;cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:18px;top:13px;color:var(--orange);font-size:23px;font-weight:400}details[open] summary:after{content:"−"}details p{margin:0;padding:0 19px 18px;color:var(--muted);font-size:14px}
.cta-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:34px;padding:42px 46px;border:1px solid #315d54;border-radius:var(--r-lg);background:var(--pine);color:#fff}.cta-box h2{margin:0 0 8px;font-size:33px;line-height:1.25}.cta-box p{max-width:690px;margin:0;color:#d8e5de}.cta-box .btn-primary{background:var(--orange)}.cta-box .btn-primary:hover{background:#93462f}
footer{padding:64px 0 24px;background:var(--pine-deep);color:#e5eee8}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:46px}.footer-logo{margin-bottom:14px;color:#fff;font-size:24px;font-weight:800}.footer-col h3{margin:0 0 13px;color:#fff;font-size:15px}.footer-col p{margin:0;color:#c4d6cc;font-size:13px;line-height:1.8}.footer-col a{display:block;margin:7px 0;color:#cfe0d7;font-size:14px}.footer-col a:hover{color:#fff;text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:43px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);color:#b8cbc0;font-size:12px}.footer-bottom a:hover{color:#fff;text-decoration:underline}
@media(max-width:1200px){.nav{gap:14px}.nav-link{font-size:13px}.data-hero-inner{gap:35px}.intro-grid,.faq-wrap{gap:45px}}@media(max-width:992px){.nav{display:none}.nav-wrap{justify-content:space-between}.menu-toggle{display:block}.nav-action{margin-left:auto}.data-hero-inner,.method-wrap,.check-grid,.article-layout,.intro-grid,.faq-wrap{grid-template-columns:1fr}.data-hero-inner{padding-top:48px}.signal-board{max-width:620px}.intro-aside{display:grid;grid-template-columns:1fr 1.3fr;gap:30px}.method-image{min-height:400px}.article-layout{gap:28px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-col:last-child{grid-column:span 3}.related-grid{grid-template-columns:1fr 1fr}.related-card:first-child{grid-column:span 2}.faq-intro{max-width:620px}}@media(max-width:768px){.container{width:min(var(--wrap),calc(100% - 40px))}.section{padding:66px 0}.section-head{display:block}.section-head h2{margin-bottom:14px}.breadcrumb{padding-top:19px}.data-hero{min-height:auto}.data-hero-inner{padding:34px 0 48px}.data-hero h1{font-size:40px}.definition-band{grid-template-columns:1fr}.definition-list{grid-template-columns:1fr 1fr}.definition-lead{padding:28px}.intro-aside{grid-template-columns:1fr}.article-item{grid-template-columns:85px 1fr}.article-item>a{grid-column:2}.rail-inner{display:block}.rail-inner h2{margin-bottom:16px}.cta-box{grid-template-columns:1fr;padding:32px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-col:last-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin:8px 0}}@media(max-width:576px){body{font-size:15px}.container{width:calc(100% - 32px)}.logo{min-width:0;font-size:20px}.nav-search{display:none}.section{padding:52px 0}.data-hero h1{font-size:35px}.data-hero p{font-size:15px}.hero-actions .btn{width:100%}.signal-board{padding:19px}.signal-row{grid-template-columns:48px 1fr}.signal-row small{display:none}.definition-list{grid-template-columns:1fr}.definition-item,.definition-item:nth-child(even){border-right:0}.method-image{min-height:300px}.meter-card{grid-template-columns:1fr}.meter-card article:first-child{grid-column:auto}.article-item{grid-template-columns:1fr;gap:6px}.article-item>a{grid-column:auto;margin-top:2px}.feature-body{padding:22px}.feature-body h3{font-size:23px}.related-grid{grid-template-columns:1fr}.related-card:first-child{grid-column:auto}.cta-box{padding:26px}.cta-box h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.footer-col:last-child{grid-column:auto}.menu-toggle{display:block}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
      --pine:#1f4d45;--pine-deep:#143a35;--pine-soft:#dfeae2;--ink:#18211e;
      --muted:#66706c;--paper:#f5f1e8;--paper-2:#fbfaf6;--mist:#eaf0ea;
      --line:#d9ded6;--orange:#b85f3e;--orange-soft:#f1ddd3;--white:#fffefa;
      --shadow:0 16px 42px rgba(25,55,46,.09);--shadow-small:0 7px 18px rgba(25,55,46,.07);
      --r-sm:10px;--r-md:16px;--r-lg:24px;--wrap:1220px;--ease:240ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
    img{display:block;max-width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
    .section{padding:86px 0}
    .section.compact{padding:62px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:12px;font-weight:800;letter-spacing:.13em}
    .eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:34px;margin-bottom:34px}
    .section-head h2{max-width:620px;margin:10px 0 0;font-size:clamp(30px,4vw,42px);line-height:1.24;letter-spacing:-.04em}
    .section-head p{max-width:510px;margin:0;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid rgba(184,95,62,.42);outline-offset:3px}
    .btn-primary{background:var(--pine);color:var(--white)}
    .btn-primary:hover{background:var(--pine-deep)}
    .btn-secondary{background:var(--white);border-color:var(--line);color:var(--pine)}
    .btn-secondary:hover{border-color:var(--pine)}
    .btn-text{min-height:35px;padding:0;color:var(--pine);border-radius:0;position:relative}
    .btn-text:after{content:"";position:absolute;left:0;right:20px;bottom:2px;height:1px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
    .btn-text:hover{transform:none;box-shadow:none}.btn-text:hover:after{transform:scaleX(1)}
    .tag{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:999px;background:var(--pine-soft);color:var(--pine);font-size:12px;font-weight:800}
    .tag.orange{background:var(--orange-soft);color:#873d26}
    header{position:sticky;top:0;z-index:30;background:rgba(245,241,232,.91);border-bottom:1px solid rgba(217,222,214,.9);backdrop-filter:blur(13px)}
    .nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
    .logo{display:inline-flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}
    .logo-mark{position:relative;width:26px;height:26px;border:2px solid var(--pine);border-radius:50%}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}
    .logo-mark:before{top:6px;left:7px;width:8px;height:2px}.logo-mark:after{top:10px;left:11px;width:2px;height:8px}
    .nav{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}
    .nav-link{position:relative;padding:27px 2px 24px;color:#4c5b55;font-size:14px;white-space:nowrap;transition:color var(--ease)}
    .nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}
    .nav-link:hover,.nav-link.active{color:var(--pine);font-weight:700}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
    .nav-action{display:flex;align-items:center;gap:12px}
    .nav-search{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--pine);font-size:18px;transition:background var(--ease),border-color var(--ease)}
    .nav-search:hover{background:var(--white);border-color:var(--pine)}
    .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--white);color:var(--pine);font-size:20px}
    .breadcrumb{padding:22px 0 0;color:var(--muted);font-size:13px}
    .breadcrumb a:hover{color:var(--pine);text-decoration:underline;text-underline-offset:4px}
    .breadcrumb span{margin:0 9px;color:#aab2ac}
    .manual-hero{padding:55px 0 76px;background:var(--paper-2);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
    .manual-hero:after{content:"";position:absolute;right:8%;top:-48px;width:330px;height:330px;border:1px solid #cfdbd1;border-radius:50%;opacity:.8}
    .manual-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);gap:78px;align-items:end}
    .manual-copy h1{margin:14px 0 20px;font-size:clamp(42px,5.5vw,64px);line-height:1.12;letter-spacing:-.06em}
    .manual-copy p{max-width:630px;margin:0;color:var(--muted);font-size:17px}
    .manual-copy .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .manual-index{padding:27px 29px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-small)}
    .manual-index header{position:static;background:transparent;border:0;backdrop-filter:none}
    .manual-index h2{margin:0 0 14px;font-size:20px;line-height:1.4}
    .index-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
    .index-list li{display:flex;align-items:center;gap:13px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
    .index-list b{color:var(--orange);font-size:12px;letter-spacing:.08em}
    .index-list a{transition:color var(--ease)}.index-list a:hover{color:var(--pine);text-decoration:underline;text-underline-offset:4px}
    .notice-rail{padding:22px 0;background:var(--pine-deep);color:#dcebe2}
    .notice-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
    .notice-inner strong{color:var(--white);font-size:15px}.notice-inner p{margin:0;font-size:14px}.notice-inner .tag{background:rgba(255,255,255,.13);color:#fff}
    .reading-layout{display:grid;grid-template-columns:242px minmax(0,1fr);gap:65px;align-items:start}
    .side-nav{position:sticky;top:106px;padding:18px;background:var(--mist);border-radius:var(--r-md)}
    .side-nav strong{display:block;padding:0 10px 9px;font-size:14px}
    .side-nav a{display:block;padding:9px 10px;border-radius:8px;color:#52605a;font-size:14px;transition:background var(--ease),color var(--ease)}
    .side-nav a:hover{background:var(--white);color:var(--pine)}
    .article-body{max-width:805px}
    .article-body h2{margin:0 0 16px;font-size:31px;line-height:1.32;letter-spacing:-.03em}
    .article-body h3{margin:37px 0 11px;font-size:21px;line-height:1.4}
    .article-body p{margin:0 0 17px;color:#3e4a45}
    .rule-callout{margin:29px 0;padding:22px 24px;border-left:3px solid var(--orange);background:#fffaf5;border-radius:0 var(--r-md) var(--r-md) 0;color:#4b4841}
    .rule-callout strong{color:#873d26}
    .steps{counter-reset:steps;margin:27px 0 0;padding:0;list-style:none}
    .steps li{position:relative;padding:0 0 24px 58px;min-height:51px}
    .steps li:before{counter-increment:steps;content:"0" counter(steps);position:absolute;left:0;top:0;color:var(--orange);font-weight:800;letter-spacing:.08em}
    .steps li:after{content:"";position:absolute;left:12px;top:29px;bottom:2px;border-left:1px solid var(--line)}
    .steps li:last-child:after{display:none}.steps h4{margin:0 0 4px;font-size:17px}.steps p{margin:0;color:var(--muted);font-size:14px}
    .concept-section{background:var(--mist)}
    .concept-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .concept-main,.concept-stack article{border:1px solid var(--line);background:var(--paper-2);border-radius:var(--r-md)}
    .concept-main{padding:30px;background:var(--white)}
    .concept-main h3,.concept-stack h3{margin:11px 0 10px;font-size:22px;line-height:1.35}
    .concept-main p,.concept-stack p{margin:0;color:var(--muted);font-size:14px}
    .concept-stack{display:grid;gap:22px}.concept-stack article{padding:22px}
    .compare-line{display:grid;grid-template-columns:1fr 22px 1fr;gap:12px;margin-top:22px;align-items:start}
    .compare-line div{padding:16px;background:var(--paper);border-radius:var(--r-sm);font-size:14px}
    .compare-line b{display:block;color:var(--pine);font-size:15px;margin-bottom:5px}.compare-line i{font-style:normal;color:var(--orange);text-align:center;padding-top:18px}
    .resource-section{padding:84px 0;background:var(--paper-2)}
    .resource-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
    .feature-image{position:relative;min-height:450px;overflow:hidden;border-radius:var(--r-lg);background:var(--pine-soft)}
    .feature-image img{width:100%;height:450px;object-fit:cover}
    .image-note{position:absolute;right:18px;bottom:18px;max-width:270px;padding:16px 18px;background:rgba(255,254,250,.94);border-radius:var(--r-sm);font-size:13px;line-height:1.65;color:#405048}
    .resource-copy h2{margin:10px 0 17px;font-size:37px;line-height:1.28;letter-spacing:-.04em}.resource-copy>p{color:var(--muted)}
    .source-list{margin-top:25px;border-top:1px solid var(--line)}
    .source-item{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}
    .source-item b{color:var(--orange);font-size:13px}.source-item h3{margin:0;font-size:17px}.source-item p{grid-column:2/3;margin:2px 0 0;color:var(--muted);font-size:13px}.source-item a{color:var(--pine);font-size:14px;font-weight:700}
    .entries-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .entry-lead{overflow:hidden;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white)}
    .entry-lead img{width:100%;height:240px;object-fit:cover;background:var(--pine-soft)}
    .entry-copy{padding:24px}.entry-copy h3{margin:12px 0 9px;font-size:25px;line-height:1.35}.entry-copy p{margin:0 0 13px;color:var(--muted);font-size:14px}
    .entry-list{border-top:1px solid var(--line)}
    .entry-item{display:grid;grid-template-columns:104px 1fr auto;gap:16px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}
    .entry-date{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.03em}.entry-item h3{margin:0;font-size:16px;line-height:1.45}.entry-item p{grid-column:2/3;margin:2px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.entry-item a{font-size:13px;color:var(--pine);font-weight:700}
    .strip{padding:34px 0;background:var(--pine-deep);color:var(--white)}
    .strip-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:45px;align-items:center}.strip h2{margin:0;font-size:27px;line-height:1.3}.strip p{margin:0;color:#d1e1d7;font-size:14px}
    .strip-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:13px}.strip-tags span{padding:5px 10px;border:1px solid rgba(255,255,255,.25);border-radius:999px;font-size:12px}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:75px;align-items:start}
    .faq-intro{position:sticky;top:112px}.faq-intro h2{margin:10px 0 16px;font-size:39px;line-height:1.25;letter-spacing:-.04em}.faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0 0 0 0}
    summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 4px;list-style:none;font-size:17px;font-weight:700;cursor:pointer}
    summary::-webkit-details-marker{display:none}summary:after{content:"+";width:27px;height:27px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;color:var(--pine);font-size:20px;font-weight:400;transition:transform var(--ease),background var(--ease)}
    details[open] summary{color:var(--pine)}details[open] summary:after{content:"−";background:var(--pine);border-color:var(--pine);color:var(--white)}
    .faq-answer{padding:0 43px 19px 4px;color:var(--muted);font-size:14px}.faq-answer p{margin:0}
    .related{background:var(--mist)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{display:flex;flex-direction:column;min-height:205px;padding:24px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper-2);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
    .related-card:hover{transform:translateY(-4px);border-color:#bacac0;box-shadow:var(--shadow-small)}.related-card h3{margin:14px 0 8px;font-size:20px}.related-card p{margin:0;color:var(--muted);font-size:14px}.related-card .btn-text{margin-top:auto;align-self:flex-start}
    .cta{padding:55px 0 82px}
    .cta-box{display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center;padding:38px 43px;border:1px solid #bfd0c4;border-radius:var(--r-lg);background:var(--white)}
    .cta-box h2{margin:0 0 8px;font-size:31px;line-height:1.3;letter-spacing:-.04em}.cta-box p{margin:0;color:var(--muted)}
    footer{padding:62px 0 25px;background:var(--pine-deep);color:#d5e1da}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.15fr;gap:42px;padding-bottom:40px}
    .footer-logo{margin-bottom:13px;color:var(--white);font-size:24px;font-weight:800;letter-spacing:-.04em}.footer-col h3{margin:0 0 13px;color:var(--white);font-size:15px}.footer-col p{margin:0;color:#c4d5cb;font-size:13px;line-height:1.8}.footer-col a{display:block;margin:7px 0;color:#c4d5cb;font-size:13px;transition:color var(--ease)}.footer-col a:hover{color:var(--white);text-decoration:underline;text-underline-offset:4px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);color:#b9cac0;font-size:12px}.footer-bottom a{display:inline;color:#e0ebe4}.footer-bottom a:hover{text-decoration:underline}
    @media(max-width:1200px){.nav{gap:14px}.nav-link{font-size:13px}.manual-grid{gap:45px}.reading-layout{gap:42px}.footer-grid{gap:26px}}
    @media(max-width:992px){.nav{display:none}.nav-action .nav-search{display:none}.menu-toggle{display:block}.nav-wrap{justify-content:space-between}.nav.is-open{display:flex;position:absolute;top:78px;left:0;right:0;min-height:calc(100vh - 78px);padding:28px 24px;background:var(--paper);flex-direction:column;align-items:stretch;justify-content:flex-start;gap:3px;border-bottom:1px solid var(--line)}.nav.is-open .nav-link{padding:15px 4px;font-size:20px}.nav.is-open .nav-link:after{bottom:8px;right:auto;width:42px}.manual-grid,.resource-grid,.faq-wrap{grid-template-columns:1fr;gap:38px}.manual-index{max-width:620px}.reading-layout{grid-template-columns:1fr}.side-nav{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:2px}.side-nav strong{grid-column:1/-1}.faq-intro{position:static}.concept-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(var(--wrap),calc(100% - 40px))}.section{padding:64px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}.manual-hero{padding:38px 0 58px}.manual-grid{gap:30px}.manual-copy h1{font-size:43px}.notice-inner{grid-template-columns:1fr;gap:6px}.notice-inner .tag{justify-self:start}.feature-image,.feature-image img{min-height:310px;height:310px}.entries-grid{grid-template-columns:1fr}.entry-item{grid-template-columns:88px 1fr}.entry-item a{display:none}.strip-grid{grid-template-columns:1fr;gap:14px}.related-grid{grid-template-columns:1fr}.cta-box{grid-template-columns:1fr;padding:30px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}}
    @media(max-width:576px){body{font-size:15px}.container{width:min(var(--wrap),calc(100% - 32px))}.logo{min-width:0;font-size:20px}.nav-wrap{height:70px}.nav.is-open{top:70px;min-height:calc(100vh - 70px)}.breadcrumb{padding-top:16px;font-size:12px}.manual-copy h1{font-size:37px}.manual-copy p{font-size:16px}.hero-actions .btn{width:100%}.manual-index{padding:21px}.index-list li{font-size:13px}.side-nav{display:block}.side-nav a{padding:8px 10px}.article-body h2{font-size:28px}.article-body h3{font-size:19px}.compare-line{grid-template-columns:1fr}.compare-line i{padding:0;transform:rotate(90deg)}.source-item{grid-template-columns:34px 1fr}.source-item a{display:none}.entry-lead img{height:205px}.entry-copy{padding:20px}.entry-copy h3{font-size:22px}.entry-item{display:block}.entry-date{display:block;margin-bottom:5px}.entry-item p{margin-top:5px}.faq-intro h2{font-size:32px}summary{font-size:16px}.cta-box h2{font-size:27px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{font-size:11px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* roulang page: category4 */
:root{
--pine:#1f4d45;--pine-deep:#143a35;--pine-soft:#dfeae2;--ink:#18211e;--muted:#66706c;
--paper:#f5f1e8;--paper-2:#fbfaf6;--mist:#eaf0ea;--line:#d9ded6;--orange:#b85f3e;
--orange-soft:#f1ddd3;--white:#fffefa;--shadow:0 16px 42px rgba(25,55,46,.09);
--shadow-small:0 7px 18px rgba(25,55,46,.07);--r-sm:10px;--r-md:16px;--r-lg:24px;
--wrap:1220px;--ease:240ms ease
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
.section{padding:86px 0}
.section.compact{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:35px}
.section-head h2{max-width:620px;font-size:clamp(30px,4vw,42px);line-height:1.2;letter-spacing:-.04em}
.section-head p{max-width:530px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}
.btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(184,95,62,.42);outline-offset:3px}
.btn-primary{background:var(--pine);color:var(--white)}
.btn-primary:hover{background:var(--pine-deep)}
.btn-secondary{color:var(--pine);border-color:var(--line);background:var(--white)}
.btn-secondary:hover{border-color:var(--pine)}
.btn-text{padding:0;min-height:32px;color:var(--pine);border-radius:0}
.btn-text:hover{box-shadow:none;transform:none;color:var(--orange)}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--pine-soft);color:var(--pine);font-size:12px;font-weight:700;line-height:1.7}
.tag.orange{background:var(--orange-soft);color:#873d26}
header{position:sticky;top:0;z-index:30;background:rgba(245,241,232,.9);border-bottom:1px solid rgba(217,222,214,.9);backdrop-filter:blur(13px)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:inline-flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}
.logo-mark{width:26px;height:26px;border:2px solid var(--pine);border-radius:50%;position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}
.logo-mark:before{width:8px;height:2px;left:7px;top:6px}
.logo-mark:after{width:2px;height:8px;left:11px;top:10px}
.nav{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}
.nav-link{position:relative;padding:27px 1px 24px;color:#4c5b55;font-size:14px;white-space:nowrap;transition:color var(--ease)}
.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}
.nav-link:hover,.nav-link.active{color:var(--pine);font-weight:700}
.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}
.nav-action{display:flex;align-items:center}
.nav-search{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--pine);font-size:18px}
.nav-search:hover{background:var(--white);border-color:var(--pine)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--white);color:var(--pine);font-size:19px}
.breadcrumb{padding:20px 0 15px;color:var(--muted);font-size:13px}
.breadcrumb a:hover{color:var(--pine);text-decoration:underline}
.cover-hero{position:relative;min-height:526px;overflow:hidden;background:#244b43 url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.cover-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,40,34,.22),rgba(12,40,34,.58))}
.hero-frame{position:relative;min-height:526px;display:flex;align-items:end;padding:56px 0}
.paper-title{max-width:645px;padding:36px 40px 37px;background:var(--paper);border-left:5px solid var(--orange);border-radius:0 var(--r-lg) var(--r-lg) 0;box-shadow:var(--shadow)}
.paper-title h1{margin:13px 0 17px;font-size:clamp(40px,5vw,62px);line-height:1.12;letter-spacing:-.055em}
.paper-title p{color:#4f5b55;font-size:17px;line-height:1.9}
.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:23px;color:var(--muted);font-size:13px}
.hero-note span{padding-right:12px;border-right:1px solid var(--line)}
.hero-note span:last-child{border:0}
.intro-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:72px}
.intro-copy p{margin:17px 0;color:#3f4b46}
.editor-note{align-self:start;padding:28px;background:var(--mist);border:1px solid #d3ded6;border-radius:var(--r-lg)}
.editor-note h3{font-size:20px;line-height:1.4;margin-bottom:16px}
.editor-note li{list-style:none;padding:13px 0;border-bottom:1px solid #cbd8ce;font-size:14px}
.editor-note li:last-child{border:0;padding-bottom:0}
.editor-note b{display:inline-block;width:29px;color:var(--orange);font-family:monospace}
.mosaic{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:285px 285px;gap:20px}
.topic{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--white);transition:transform var(--ease),box-shadow var(--ease)}
.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.topic img{width:100%;height:100%;object-fit:cover;background:var(--mist)}
.topic-main{grid-row:span 2;color:var(--white);background:var(--pine-deep)}
.topic-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,35,29,.94),rgba(9,35,29,.06) 70%)}
.topic-main .topic-body{position:absolute;z-index:1;left:28px;right:28px;bottom:25px}
.topic-main h3{font-size:29px;line-height:1.25;margin:12px 0}
.topic-main p{color:#dce9e0;font-size:14px;line-height:1.75}
.topic-tall{grid-row:span 2}
.topic-tall img{height:100%}
.topic-tall:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(17,46,39,.82),transparent 68%)}
.topic-tall .topic-body{position:absolute;bottom:20px;left:20px;right:20px;color:var(--white)}
.topic-tall h3{font-size:21px;line-height:1.35;margin-top:10px}
.topic-small{padding:23px}
.topic-small h3{font-size:20px;line-height:1.35;margin:15px 0 10px}
.topic-small p{font-size:14px;color:var(--muted);line-height:1.7}
.update{font-size:12px;color:var(--muted)}
.topic-main .update,.topic-tall .update{color:#d1dfd6}
.ribbon{background:var(--pine);color:var(--white);padding:24px 0}
.ribbon-inner{display:grid;grid-template-columns:180px 1fr;gap:30px;align-items:center}
.ribbon h2{font-size:20px;line-height:1.35}
.ribbon-tags{display:flex;flex-wrap:wrap;gap:10px}
.ribbon-tags a{padding:8px 13px;border:1px solid rgba(255,255,255,.25);border-radius:999px;color:#e6f0ea;font-size:13px;transition:background var(--ease),transform var(--ease)}
.ribbon-tags a:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.reading-order{display:grid;grid-template-columns:310px 1fr;gap:76px;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.reading-order h2{font-size:35px;line-height:1.25;letter-spacing:-.04em}
.reading-order p{margin-top:16px;color:var(--muted)}
.steps{counter-reset:order}
.step{position:relative;padding:0 0 28px 74px;border-left:1px solid var(--line);margin-left:18px}
.step:last-child{padding-bottom:0}
.step:before{counter-increment:order;content:"0" counter(order);position:absolute;left:-19px;top:-2px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--paper);border:1px solid var(--orange);color:var(--orange);font:700 13px monospace}
.step h3{font-size:20px;line-height:1.4;margin-bottom:7px}
.step p{color:var(--muted);font-size:15px}
.list-section{background:var(--paper-2)}
.article-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:50px}
.article-list{border-top:1px solid var(--line)}
.article-row{display:grid;grid-template-columns:108px 1fr auto;gap:22px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}
.article-date{color:var(--orange);font:700 13px/1.5 monospace;padding-top:3px}
.article-row h3{font-size:19px;line-height:1.45;margin-bottom:7px}
.article-row p{color:var(--muted);font-size:14px;line-height:1.7}
.article-row .btn-text{align-self:center;white-space:nowrap}
.side-reading{padding:29px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);height:max-content}
.side-reading h3{font-size:21px;margin-bottom:15px}
.side-reading a{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.55}
.side-reading a:last-child{border:0}
.side-reading a:hover{color:var(--orange)}
.longread{display:grid;grid-template-columns:.9fr 1.1fr;gap:62px;align-items:center}
.longread-visual{position:relative;min-height:450px;overflow:hidden;border-radius:var(--r-lg);background:var(--mist)}
.longread-visual img{width:100%;height:450px;object-fit:cover}
.caption{position:absolute;bottom:18px;left:18px;max-width:260px;padding:14px 16px;background:var(--paper);border-radius:var(--r-sm);font-size:13px;line-height:1.65;box-shadow:var(--shadow-small)}
.longread-copy h2{font-size:38px;line-height:1.25;letter-spacing:-.04em;margin:13px 0 20px}
.longread-copy p{color:#46534d;margin:0 0 15px}
.pullquote{margin:24px 0;padding:18px 20px;border-left:3px solid var(--orange);background:var(--orange-soft);font-size:16px;line-height:1.8}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);transition:transform var(--ease),border-color var(--ease)}
.related-card:hover{transform:translateY(-3px);border-color:var(--pine)}
.related-card h3{font-size:20px;margin:14px 0 10px}
.related-card p{color:var(--muted);font-size:14px;line-height:1.7}
.faq-wrap{display:grid;grid-template-columns:350px 1fr;gap:76px}
.faq-wrap h2{font-size:37px;line-height:1.25;letter-spacing:-.04em;margin:13px 0}
.faq-wrap>div>p{color:var(--muted)}
details{margin-bottom:10px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);transition:border-color var(--ease),background var(--ease)}
details[open]{border-color:#b9ccc0;background:#f8faf6}
summary{position:relative;padding:18px 52px 18px 20px;cursor:pointer;font-size:16px;font-weight:700;line-height:1.55;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:20px;top:16px;color:var(--orange);font-size:23px;font-weight:400}
details[open] summary:after{content:"−"}
.answer{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.8}
.cta{padding:0 0 88px}
.cta-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:36px 42px;background:var(--pine-deep);color:var(--white);border-radius:var(--r-lg)}
.cta-box h2{font-size:31px;line-height:1.3;letter-spacing:-.04em}
.cta-box p{max-width:700px;margin-top:10px;color:#d5e4da}
.cta-box .btn-primary{background:var(--orange)}
.cta-box .btn-primary:hover{background:#93462f}
footer{padding:65px 0 24px;background:var(--pine-deep);color:#e0ebe4}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:42px;padding-bottom:42px}
.footer-logo{color:var(--white);font-size:25px;font-weight:800;letter-spacing:-.04em;margin-bottom:12px}
.footer-col h3{margin-bottom:13px;color:var(--white);font-size:15px}
.footer-col p,.footer-col a{color:#b9ccc1;font-size:14px;line-height:1.8}
.footer-col a{display:block;margin:4px 0}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;border-top:1px solid rgba(255,255,255,.16);color:#aebfb5;font-size:13px}
.footer-bottom a:hover{color:#fff;text-decoration:underline}
@media(max-width:1200px){.nav{gap:13px}.nav-link{font-size:13px}.mosaic{grid-template-columns:1.15fr .85fr .85fr}}
@media(max-width:992px){.nav{display:none}.nav-wrap{justify-content:space-between}.nav-action{margin-left:auto}.menu-toggle{display:block}.nav-wrap.menu-open{height:auto;min-height:78px;flex-wrap:wrap;padding:16px 0}.nav-wrap.menu-open .nav{display:flex;order:3;flex-basis:100%;flex-direction:column;align-items:stretch;gap:0}.nav-wrap.menu-open .nav-link{padding:13px 0}.nav-wrap.menu-open .nav-link:after{display:none}.cover-hero,.hero-frame{min-height:470px}.intro-grid,.article-layout,.longread,.faq-wrap{grid-template-columns:1fr;gap:38px}.mosaic{grid-template-columns:1.15fr .85fr;grid-template-rows:260px 260px}.topic-main{grid-row:span 2}.topic-tall{grid-row:auto}.topic-small{display:none}.reading-order{grid-template-columns:1fr;gap:32px}.side-reading{display:grid;grid-template-columns:1fr 1fr;gap:0}.side-reading h3{grid-column:1/-1}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-col:last-child{grid-column:1/-1}.section{padding:72px 0}}
@media(max-width:768px){.container{width:min(var(--wrap),calc(100% - 40px))}.section-head{display:block}.section-head p{margin-top:15px}.paper-title{padding:29px 25px}.paper-title h1{font-size:40px}.mosaic{grid-template-columns:1fr;grid-template-rows:330px 280px}.topic-main{grid-row:auto}.topic-tall{display:none}.ribbon-inner{grid-template-columns:1fr;gap:15px}.article-row{grid-template-columns:80px 1fr}.article-row .btn-text{grid-column:2}.related-grid{grid-template-columns:1fr}.cta-box{grid-template-columns:1fr;padding:31px 26px}.cta-box .btn{width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-col:last-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin:7px 0}.longread-visual,.longread-visual img{min-height:330px;height:330px}}
@media(max-width:576px){body{font-size:15px}.container{width:calc(100% - 40px)}.logo{min-width:auto;font-size:20px}.nav-search{display:none}.section{padding:58px 0}.section.compact{padding:48px 0}.breadcrumb{padding-top:16px}.cover-hero,.hero-frame{min-height:475px}.paper-title{margin-bottom:8px;padding:25px 20px}.paper-title h1{font-size:35px}.paper-title p{font-size:15px}.hero-note{display:block}.hero-note span{display:block;border:0;margin:4px 0}.intro-copy p{font-size:15px}.mosaic{grid-template-rows:350px}.topic-main .topic-body{left:21px;right:21px}.topic-main h3{font-size:25px}.article-row{grid-template-columns:1fr;gap:8px}.article-row .btn-text{grid-column:auto}.article-date{padding:0}.side-reading{display:block}.faq-wrap h2,.reading-order h2,.longread-copy h2{font-size:31px}.footer-grid{grid-template-columns:1fr}.footer-col{padding-bottom:4px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category5 */
:root{
 --pine:#1f4d45;--pine-deep:#143a35;--pine-soft:#dfeae2;--ink:#18211e;
 --muted:#66706c;--paper:#f5f1e8;--paper-2:#fbfaf6;--mist:#eaf0ea;
 --line:#d9ded6;--orange:#b85f3e;--orange-soft:#f1ddd3;--white:#fffefa;
 --shadow:0 16px 42px rgba(25,55,46,.09);--shadow-small:0 7px 18px rgba(25,55,46,.07);
 --r-sm:10px;--r-md:16px;--r-lg:24px;--wrap:1220px;--ease:240ms ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}
.section{padding:82px 0}
.section.compact{padding:60px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.section-head h2{font-size:clamp(30px,4vw,43px);line-height:1.2;letter-spacing:-.03em;font-weight:750}
.section-head p{max-width:580px;color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;transition:transform var(--ease),background var(--ease),border var(--ease),color var(--ease),box-shadow var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}
.btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(184,95,62,.38);outline-offset:3px}
.btn-primary{background:var(--pine);color:var(--white)}
.btn-primary:hover{background:var(--pine-deep)}
.btn-secondary{background:transparent;border-color:var(--line);color:var(--pine)}
.btn-secondary:hover{border-color:var(--pine);background:var(--white)}
.btn-text{padding:0;min-height:40px;color:var(--pine);border-radius:0;position:relative}
.btn-text:after{content:"";height:1px;position:absolute;left:0;right:22px;bottom:5px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.btn-text:hover{box-shadow:none;transform:none}
.btn-text:hover:after{transform:scaleX(1)}
.tag{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:999px;color:var(--pine);background:var(--pine-soft);font-size:12px;font-weight:700}
.tag.orange{color:#873d26;background:var(--orange-soft)}
header{position:sticky;top:0;z-index:20;background:rgba(245,241,232,.9);border-bottom:1px solid rgba(217,222,214,.88);backdrop-filter:blur(13px)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:inline-flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}
.logo-mark{width:26px;height:26px;border:2px solid var(--pine);border-radius:50%;position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}
.logo-mark:before{width:8px;height:2px;left:7px;top:6px}.logo-mark:after{width:2px;height:8px;left:11px;top:10px}
.nav{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}
.nav-link{position:relative;padding:27px 2px 24px;color:#4c5b55;font-size:14px;white-space:nowrap;transition:color var(--ease)}
.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}
.nav-link:hover,.nav-link.active{color:var(--pine);font-weight:700}
.nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
.nav-action{display:flex;align-items:center;gap:12px}
.nav-search{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--pine);font-size:18px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--pine);width:44px;height:44px;border-radius:50%;font-size:20px}
.breadcrumb{padding:24px 0 0;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--pine)}
.hero-news{padding:54px 0 68px;background:var(--paper-2)}
.news-hero-grid{display:grid;grid-template-columns:1fr 1.22fr;gap:64px;align-items:center}
.news-hero-copy h1{font-size:clamp(40px,5vw,62px);line-height:1.16;letter-spacing:-.055em;margin:18px 0 22px;font-weight:750}
.news-hero-copy p{color:var(--muted);max-width:560px;font-size:17px}
.hero-note{display:flex;gap:16px;margin-top:30px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
.hero-note strong{color:var(--pine);font-size:22px;line-height:1}
.hero-image{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:330px;background:var(--pine-soft);box-shadow:var(--shadow)}
.hero-image img{height:390px;object-fit:cover}
.image-label{position:absolute;left:22px;bottom:20px;background:var(--paper);color:var(--pine);padding:9px 14px;border-radius:var(--r-sm);font-size:13px;font-weight:700}
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start}
.main-news{display:grid;grid-template-columns:1.08fr 1fr;gap:26px;margin-bottom:30px}
.feature-news{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-small)}
.feature-news img{height:245px;object-fit:cover}
.feature-copy{padding:24px}
.feature-copy h2{font-size:25px;line-height:1.4;margin:13px 0 10px}
.feature-copy p{color:var(--muted);font-size:14px}
.date{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--orange);font-size:12px;letter-spacing:.05em}
.news-list{border-top:1px solid var(--line)}
.news-item{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:82px 1fr;gap:18px}
.news-item h3{font-size:18px;line-height:1.45;margin-bottom:5px}
.news-item p{color:var(--muted);font-size:14px;line-height:1.7}
.news-item .btn-text{font-size:13px}
.sidebar{position:sticky;top:105px}
.side-box{background:var(--mist);border:1px solid var(--line);border-radius:var(--r-md);padding:23px;margin-bottom:18px}
.side-box h3{font-size:18px;margin-bottom:13px}
.side-box ul{list-style:none}
.side-box li{border-top:1px solid #cfdad1;padding:10px 0;font-size:14px}
.side-box li a{color:var(--pine)}
.side-box li a:hover{text-decoration:underline;text-underline-offset:4px}
.update-band{background:var(--pine);color:var(--white);padding:24px 0}
.update-flex{display:flex;align-items:center;justify-content:space-between;gap:24px}
.update-flex p{color:#d9e8df;font-size:14px}
.update-flex .tag{background:rgba(255,255,255,.12);color:#fff}
.topic-strip{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.topic-strip a{padding:10px 15px;border:1px solid var(--line);border-radius:999px;background:var(--paper-2);font-size:14px;color:var(--pine);transition:all var(--ease)}
.topic-strip a:hover{border-color:var(--pine);transform:translateY(-2px)}
.editorial{background:var(--paper-2)}
.editorial-grid{display:grid;grid-template-columns:220px 1fr;gap:72px}
.editorial h2{font-size:34px;line-height:1.3}
.editorial-copy{font-size:16px;color:#46534e}
.editorial-copy p+p{margin-top:18px}
.pullquote{margin:26px 0;padding:19px 24px;border-left:3px solid var(--orange);background:var(--orange-soft);color:#603b2e;font-size:18px}
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.info-card{padding:22px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md)}
.info-card strong{display:block;color:var(--orange);font-size:25px;margin-bottom:5px}
.info-card h3{font-size:18px;margin-bottom:5px}.info-card p{font-size:14px;color:var(--muted)}
.reading-guide{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}
.guide-panel{background:var(--pine-deep);color:var(--white);border-radius:var(--r-lg);padding:38px}
.guide-panel h2{font-size:32px;line-height:1.3;margin:14px 0}
.guide-panel p{color:#d8e8df}
.guide-steps{display:grid;gap:13px;margin-top:24px}
.guide-step{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px 0;border-top:1px solid rgba(255,255,255,.2)}
.guide-step b{color:var(--orange);font-size:20px}.guide-step h3{font-size:17px}.guide-step p{font-size:14px}
.principles{background:var(--mist);border-radius:var(--r-lg);padding:38px}
.principles h2{font-size:30px;line-height:1.3;margin-bottom:16px}
.principles li{list-style:none;padding:15px 0 15px 27px;border-bottom:1px solid var(--line);position:relative;font-size:15px}
.principles li:before{content:"";position:absolute;left:0;top:25px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.feedback-head{max-width:670px;margin-bottom:30px}.feedback-head h2{font-size:38px;line-height:1.25}.feedback-head p{color:var(--muted);margin-top:12px}
.feedback-grid{display:grid;grid-template-columns:1.35fr .9fr .9fr;gap:16px;align-items:start}
.feedback-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:25px;box-shadow:var(--shadow-small)}
.feedback-card.wide{padding:32px}.feedback-card.offset{margin-top:30px}
.feedback-card blockquote{font-size:18px;line-height:1.7;margin:15px 0;color:var(--ink)}
.feedback-card p{color:var(--muted);font-size:13px}
.faq-section{background:var(--paper-2)}
.faq-grid{display:grid;grid-template-columns:.8fr 1.4fr;gap:80px}
.faq-grid h2{font-size:38px;line-height:1.25}.faq-grid>div>p{color:var(--muted);margin-top:14px}
.faq-list details{border-bottom:1px solid var(--line);padding:4px 0}
.faq-list summary{list-style:none;cursor:pointer;padding:17px 5px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"＋";color:var(--orange);font-size:20px}
.faq-list details[open] summary:after{content:"－"}
.faq-answer{padding:0 38px 18px 5px;color:var(--muted);font-size:14px}
.cta{padding:28px 0 88px}
.cta-box{background:var(--orange-soft);border:1px solid #e7c8ba;border-radius:var(--r-lg);padding:38px 46px;display:flex;justify-content:space-between;align-items:center;gap:28px}
.cta-box h2{font-size:30px;line-height:1.3;margin-top:10px}.cta-box p{color:#69483e}
footer{background:var(--pine-deep);color:#e2eee7;padding:60px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.25fr;gap:40px}
.footer-logo{font-size:24px;font-weight:800;color:#fff;margin-bottom:13px}
.footer-col p{color:#b9cec3;font-size:13px;line-height:1.8}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:13px}
.footer-col>a{display:block;color:#b9cec3;font-size:13px;padding:3px 0;transition:color var(--ease)}
.footer-col>a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:20px;color:#a9c0b5;font-size:12px}
.footer-bottom a:hover{color:#fff}
@media(max-width:1200px){.nav{gap:14px}.logo{min-width:160px}.news-layout{grid-template-columns:minmax(0,1fr) 270px}}
@media(max-width:992px){.nav{display:none}.nav-action{margin-left:auto}.menu-toggle{display:block}.nav-wrap{height:70px}.nav.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;gap:0;left:24px;right:24px;top:70px;padding:12px 20px;background:var(--paper-2);border:1px solid var(--line);border-radius:0 0 var(--r-md) var(--r-md);box-shadow:var(--shadow)}.nav.open .nav-link{padding:11px 4px}.nav.open .nav-link:after{bottom:5px}.news-hero-grid,.reading-guide{grid-template-columns:1fr}.news-hero-copy{max-width:700px}.hero-image img{height:330px}.sidebar{position:static}.news-layout{grid-template-columns:1fr}.editorial-grid{grid-template-columns:1fr;gap:24px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--wrap),calc(100% - 40px))}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:13px}.main-news{grid-template-columns:1fr}.info-cards,.feedback-grid{grid-template-columns:1fr}.feedback-card.offset{margin-top:0}.update-flex{display:block}.update-flex .btn{margin-top:15px}.cta-box{display:block;padding:30px}.cta-box .btn{margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
@media(max-width:576px){.container{width:calc(100% - 32px)}.logo{font-size:20px;min-width:auto}.nav-action{gap:7px}.nav-search{display:none}.news-hero{padding:38px 0 48px}.news-hero-copy h1{font-size:38px}.news-hero-copy p{font-size:15px}.hero-image img{height:245px}.hero-note{font-size:13px}.section-head h2,.faq-grid h2{font-size:30px}.news-item{grid-template-columns:1fr;gap:3px}.feature-news img{height:190px}.editorial-grid,.faq-grid{gap:28px}.guide-panel,.principles{padding:25px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category6 */
:root{
 --pine:#1f4d45;--pine-deep:#143a35;--pine-soft:#dfeae2;--ink:#18211e;
 --muted:#66706c;--paper:#f5f1e8;--paper-2:#fbfaf6;--mist:#eaf0ea;
 --line:#d9ded6;--orange:#b85f3e;--orange-soft:#f1ddd3;--white:#fffefa;
 --shadow:0 16px 42px rgba(25,55,46,.09);--shadow-small:0 7px 18px rgba(25,55,46,.07);
 --r-sm:10px;--r-md:16px;--r-lg:24px;--wrap:1220px;--ease:240ms ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--wrap),calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--pine);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--orange)}
.section{padding:82px 0}.section.compact{padding:58px 0}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.section-head h2{font-size:clamp(30px,4vw,43px);line-height:1.2;letter-spacing:-.03em;font-weight:750}
.section-head p{max-width:570px;color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;transition:transform var(--ease),background var(--ease),border var(--ease),color var(--ease),box-shadow var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-small)}
.btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(184,95,62,.38);outline-offset:3px}
.btn-primary{background:var(--pine);color:var(--white)}.btn-primary:hover{background:var(--pine-deep)}
.btn-secondary{background:transparent;border-color:var(--line);color:var(--pine)}.btn-secondary:hover{border-color:var(--pine);background:var(--white)}
.btn-text{padding:0;min-height:40px;color:var(--pine);border-radius:0;position:relative}
.btn-text:after{content:"";height:1px;position:absolute;left:0;right:22px;bottom:5px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.btn-text:hover{box-shadow:none;transform:none}.btn-text:hover:after{transform:scaleX(1)}
.tag{display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:999px;color:var(--pine);background:var(--pine-soft);font-size:12px;font-weight:700}
.tag.orange{color:#873d26;background:var(--orange-soft)}
header{position:sticky;top:0;z-index:20;background:rgba(245,241,232,.9);border-bottom:1px solid rgba(217,222,214,.88);backdrop-filter:blur(13px)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
.logo{display:inline-flex;align-items:center;gap:10px;min-width:185px;color:var(--pine);font-size:22px;font-weight:800;letter-spacing:-.04em}
.logo-mark{width:26px;height:26px;border:2px solid var(--pine);border-radius:50%;position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:var(--orange)}
.logo-mark:before{width:8px;height:2px;left:7px;top:6px}.logo-mark:after{width:2px;height:8px;left:11px;top:10px}
.nav{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}
.nav-link{position:relative;padding:27px 2px 24px;color:#4c5b55;font-size:14px;white-space:nowrap;transition:color var(--ease)}
.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform var(--ease)}
.nav-link:hover,.nav-link.active{color:var(--pine);font-weight:700}.nav-link.active:after,.nav-link:hover:after{transform:scaleX(1)}
.nav-action{display:flex;align-items:center;gap:12px}.nav-search{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--pine);font-size:18px}
.menu-toggle{display:none;border:1px solid var(--line);background:var(--white);color:var(--pine);width:44px;height:44px;border-radius:50%;font-size:20px}
.hero-simple{padding:78px 0 72px;background:var(--paper-2);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:40px}
.breadcrumb a:hover{color:var(--pine)}.breadcrumb span{color:#a5aea7}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:90px;align-items:end}
.hero-simple h1{font-size:clamp(42px,6vw,68px);line-height:1.12;letter-spacing:-.06em;font-weight:750;margin:18px 0 24px}
.hero-lead{max-width:720px;color:var(--muted);font-size:18px;line-height:1.9}
.hero-note{border-left:3px solid var(--orange);padding:20px 0 20px 24px;color:var(--pine);background:linear-gradient(90deg,rgba(223,234,226,.7),transparent);font-size:15px}
.hero-note strong{display:block;font-size:18px;margin-bottom:8px}
.prose-layout{display:grid;grid-template-columns:250px minmax(0,760px);gap:82px}
.side-title h2{font-size:32px;line-height:1.3;margin-top:16px}.side-title p{color:var(--muted);margin-top:15px}
.prose h3{font-size:24px;line-height:1.4;margin:0 0 12px}.prose p{color:#4f5c56;margin-bottom:22px}.prose p:last-child{margin-bottom:0}
.prose blockquote{margin:28px 0;padding:22px 26px;background:var(--mist);border-left:3px solid var(--orange);font-size:18px;color:var(--pine)}
.paper-panel{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:35px}
.boundary-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px}
.boundary-card{padding:30px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);transition:transform var(--ease),box-shadow var(--ease)}
.boundary-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-small)}
.boundary-card h3{font-size:21px;margin:14px 0 9px}.boundary-card p{color:var(--muted);font-size:15px}
.icon-line{width:38px;height:38px;border-radius:50%;background:var(--pine-soft);color:var(--pine);display:grid;place-items:center;font-weight:800}
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.note-item{padding:24px 0;border-top:2px solid var(--pine)}.note-item b{font-size:18px;display:block;margin-bottom:8px}.note-item p{color:var(--muted);font-size:14px}
.image-text{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.image-frame{position:relative;overflow:hidden;border-radius:var(--r-lg);min-height:370px;background:var(--pine)}
.image-frame img{width:100%;height:100%;min-height:370px;object-fit:cover}
.image-frame:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(20,58,53,.65))}
.image-label{position:absolute;z-index:1;bottom:22px;left:22px;color:var(--white);font-size:14px}
.steps{border-top:1px solid var(--line);margin-top:24px}.step{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
.step-num{color:var(--orange);font-family:monospace;font-size:18px;font-weight:bold}.step h3{font-size:19px;margin-bottom:4px}.step p{color:var(--muted);font-size:15px}
.warning{background:var(--pine-deep);color:var(--white)}.warning .eyebrow{color:#dce9df}.warning h2{font-size:34px;line-height:1.3;margin:15px 0}.warning p{color:#d4e3db;max-width:780px}
.warning-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:35px}.warning-list article{border-top:1px solid rgba(255,255,255,.3);padding-top:17px}.warning-list b{display:block;margin-bottom:6px}.warning-list span{font-size:14px;color:#bdd1c6}
.feedback-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:18px;align-items:start}.feedback{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);padding:27px}.feedback.large{padding:36px;min-height:220px}.feedback:nth-child(2){margin-top:35px}.feedback:nth-child(3){margin-top:70px}.feedback p{font-size:17px;color:#3f5049;margin:18px 0}.feedback small{color:var(--muted)}
.related{background:var(--mist)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{padding:25px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);transition:transform var(--ease),border var(--ease)}.related-card:hover{transform:translateY(-3px);border-color:var(--pine)}.related-card h3{margin:12px 0 4px;font-size:20px}.related-card p{color:var(--muted);font-size:14px}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px}.faq-layout h2{font-size:35px;line-height:1.3}.faq-layout>div>p{color:var(--muted);margin-top:15px}
.faq details{border-top:1px solid var(--line);padding:4px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:17px 4px;font-weight:700;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--orange);font-size:20px}details[open] summary:after{content:"－"}.faq details p{padding:0 34px 19px 4px;color:var(--muted);font-size:15px}
.cta{padding:30px 34px;border:1px solid var(--line);border-radius:var(--r-lg);display:flex;justify-content:space-between;align-items:center;gap:28px;background:var(--paper-2)}.cta h2{font-size:28px;line-height:1.35}.cta p{color:var(--muted);margin-top:5px}
footer{background:var(--pine-deep);color:#dce9df;padding:62px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:45px}.footer-logo{color:var(--white);font-size:23px;font-weight:800;margin-bottom:13px}.footer-col p{color:#b9cec3;font-size:14px;line-height:1.8}.footer-col h3{font-size:15px;color:var(--white);margin-bottom:13px}.footer-col>a{display:block;color:#b9cec3;font-size:14px;padding:3px 0;transition:color var(--ease)}.footer-col>a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.17);margin-top:42px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#a9c0b5;font-size:12px}.footer-bottom a:hover{color:var(--white)}
@media(max-width:992px){.nav{gap:13px}.nav-link{font-size:13px}.logo{min-width:150px}.hero-grid,.image-text,.prose-layout,.faq-layout{grid-template-columns:1fr;gap:35px}.prose-layout{gap:20px}.side-title p{max-width:650px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--wrap),calc(100% - 40px))}.nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper-2);padding:16px 24px 24px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav-link{padding:13px 0;min-height:44px}.nav-link:after{bottom:7px;right:auto;width:35px}.nav-action{margin-left:auto}.menu-toggle{display:block}.nav-search{display:none}.hero-simple{padding:55px 0}.hero-simple h1{font-size:clamp(38px,10vw,52px)}.section{padding:64px 0}.section-head{display:block}.section-head p{margin-top:15px}.boundary-grid,.note-grid,.warning-list,.related-grid{grid-template-columns:1fr}.feedback-grid{grid-template-columns:1fr}.feedback:nth-child(2),.feedback:nth-child(3){margin-top:0}.cta{display:block}.cta .btn{margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}
@media(max-width:576px){.container{width:calc(100% - 32px)}.nav-wrap{height:70px}.nav{top:70px}.hero-simple{padding:42px 0 48px}.breadcrumb{margin-bottom:28px}.hero-lead{font-size:16px}.hero-note{padding-left:17px}.paper-panel{padding:23px}.section{padding:52px 0}.section-head h2{font-size:30px}.prose h3{font-size:22px}.image-frame,.image-frame img{min-height:270px}.warning h2{font-size:29px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}