/* roulang page: index */
:root{
      --green-900:#0d332b;
      --green-800:#13483d;
      --green-700:#176656;
      --green-600:#1c7a67;
      --green-500:#22947c;
      --green-100:#e6f4ef;
      --green-50:#f1fbf7;
      --sand-100:#faf4e8;
      --sand-50:#fffaf0;
      --amber:#d88622;
      --amber-100:#fff0d7;
      --text:#1f2d2a;
      --muted:#687875;
      --light:#ffffff;
      --line:#dce8e3;
      --line-strong:#bdd5cd;
      --shadow:0 18px 45px rgba(13,51,43,.10);
      --shadow-soft:0 10px 28px rgba(13,51,43,.07);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,var(--sand-50) 0%,#fff 42%,var(--green-50) 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(216,134,34,.38);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:var(--green-800);color:#fff;
      padding:10px 14px;border-radius:10px;z-index:1000
    }
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;top:0;z-index:99;
      background:rgba(255,250,240,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(220,232,227,.72);
      transition:box-shadow var(--ease),background var(--ease)
    }
    .site-header.scrolled{box-shadow:0 10px 24px rgba(13,51,43,.08);background:rgba(255,255,255,.94)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:800;color:var(--green-900);
      letter-spacing:.02em;white-space:nowrap
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--green-700),#31af8f);
      display:grid;place-items:center;color:#fff;box-shadow:0 12px 24px rgba(28,122,103,.22);
      position:relative;overflow:hidden
    }
    .brand-mark::after{
      content:"";position:absolute;width:18px;height:30px;border:2px solid rgba(255,255,255,.78);
      border-radius:12px 12px 16px 16px;top:7px;left:12px
    }
    .brand-mark span{position:relative;font-size:17px;z-index:1}
    .brand-text{font-size:18px}
    .nav-menu{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
    .nav-link{
      display:inline-flex;align-items:center;justify-content:center;
      padding:10px 14px;border-radius:999px;color:#37504b;font-weight:650;font-size:15px;
      transition:background var(--ease),color var(--ease),transform var(--ease)
    }
    .nav-link:hover,.nav-link.active{background:var(--green-100);color:var(--green-800)}
    .nav-link:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);
      color:var(--green-900);box-shadow:var(--shadow-soft)
    }
    .mobile-toggle span{
      display:block;width:20px;height:2px;background:currentColor;margin:5px auto;border-radius:2px;
      transition:transform var(--ease),opacity var(--ease)
    }
    .mobile-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;font-weight:750;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease)
    }
    .btn-primary{background:var(--green-700);color:#fff;box-shadow:0 14px 26px rgba(28,122,103,.22)}
    .btn-primary:hover{background:var(--green-800);transform:translateY(-2px);box-shadow:0 18px 32px rgba(28,122,103,.28)}
    .btn-secondary{background:#fff;color:var(--green-800);border:1px solid var(--line-strong)}
    .btn-secondary:hover{background:var(--green-50);border-color:var(--green-500);transform:translateY(-2px)}
    .btn-text{color:var(--green-800);font-weight:760;display:inline-flex;align-items:center;gap:6px}
    .btn-text:hover{color:var(--green-600)}
    .hero{
      position:relative;overflow:hidden;
      padding:86px 0 74px;
      background:
        linear-gradient(105deg,rgba(255,250,240,.94) 0%,rgba(241,251,247,.9) 48%,rgba(230,244,239,.82) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(220,232,227,.78)
    }
    .hero::before{
      content:"";position:absolute;inset:0;
      background-image:radial-gradient(rgba(28,122,103,.12) 1px,transparent 1px);
      background-size:22px 22px;mask-image:linear-gradient(90deg,#000 0%,transparent 78%);
      pointer-events:none
    }
    .hero::after{
      content:"";position:absolute;width:520px;height:520px;border-radius:50%;
      right:-180px;top:-160px;background:rgba(34,148,124,.12);filter:blur(4px)
    }
    .hero-inner{
      position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;gap:46px;align-items:center
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.78);
      border:1px solid var(--line);color:var(--green-800);font-size:14px;font-weight:760
    }
    .eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px rgba(216,134,34,.14)}
    h1,h2,h3,p{margin-top:0}
    .hero h1{
      margin:20px 0 22px;font-size:clamp(32px,5vw,54px);line-height:1.12;
      letter-spacing:-.04em;color:var(--green-900);font-weight:850
    }
    .hero-lead{font-size:18px;color:#405a55;max-width:680px;margin-bottom:28px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px}
    .badge{
      display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
      background:rgba(255,255,255,.76);color:#405a55;border-radius:999px;
      padding:8px 12px;font-size:14px;font-weight:680
    }
    .badge i{width:8px;height:8px;border-radius:50%;background:var(--green-500);display:inline-block}
    .hero-visual{
      background:rgba(255,255,255,.84);border:1px solid rgba(189,213,205,.92);
      border-radius:var(--radius-xl);padding:22px;box-shadow:var(--shadow);
      transform:rotate(-1deg)
    }
    .audit-panel{
      border-radius:24px;background:linear-gradient(180deg,#fff,var(--green-50));
      border:1px solid var(--line);overflow:hidden
    }
    .panel-head{
      display:flex;justify-content:space-between;align-items:center;padding:18px 18px 14px;
      border-bottom:1px solid var(--line)
    }
    .panel-title{font-weight:820;color:var(--green-900)}
    .status-pill{
      display:inline-flex;align-items:center;gap:6px;background:var(--green-100);
      color:var(--green-800);padding:6px 10px;border-radius:999px;font-size:13px;font-weight:780
    }
    .status-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green-500)}
    .panel-body{padding:18px}
    .risk-row{
      display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
      padding:13px 0;border-bottom:1px dashed rgba(189,213,205,.78)
    }
    .risk-row:last-child{border-bottom:0}
    .risk-icon{
      width:38px;height:38px;border-radius:14px;background:#fff;border:1px solid var(--line);
      display:grid;place-items:center;color:var(--green-700);font-weight:850
    }
    .risk-row strong{display:block;line-height:1.35;color:var(--text)}
    .risk-row small{display:block;color:var(--muted);margin-top:2px}
    .risk-level{
      padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800;white-space:nowrap
    }
    .risk-low{background:var(--green-100);color:var(--green-800)}
    .risk-mid{background:var(--amber-100);color:#8a530e}
    .meter-wrap{margin-top:18px;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .meter-top{display:flex;justify-content:space-between;color:#445b56;font-weight:720;font-size:14px;margin-bottom:10px}
    .meter{height:10px;border-radius:999px;background:#edf3f0;overflow:hidden}
    .meter span{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--green-600),#71c7ae);border-radius:999px}
    main{overflow:hidden}
    .section{padding:84px 0}
    .section-tight{padding:68px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-kicker{
      color:var(--green-700);font-weight:820;font-size:14px;letter-spacing:.08em;margin-bottom:8px
    }
    .section-title{font-size:clamp(26px,3.4vw,38px);line-height:1.22;color:var(--green-900);font-weight:850;margin-bottom:0}
    .section-desc{color:var(--muted);max-width:590px;margin:10px 0 0;font-size:16px}
    .process-strip{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative
    }
    .process-card{
      position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:24px;box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)
    }
    .process-card:hover{transform:translateY(-4px);border-color:var(--green-500);box-shadow:var(--shadow)}
    .process-card::before{
      content:attr(data-step);display:inline-grid;place-items:center;width:34px;height:34px;
      border-radius:12px;background:var(--green-100);color:var(--green-800);font-weight:850;margin-bottom:18px
    }
    .process-card h3{font-size:20px;line-height:1.35;margin-bottom:10px;color:var(--green-900)}
    .process-card p{color:var(--muted);margin:0;font-size:15px}
    .solutions{
      background:linear-gradient(180deg,rgba(241,251,247,.72),rgba(255,250,240,.86));
      border-top:1px solid var(--line);border-bottom:1px solid var(--line)
    }
    .solution-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:42px;align-items:start}
    .solution-media{
      position:sticky;top:108px;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);
      box-shadow:var(--shadow);background:#fff
    }
    .solution-media img{width:100%;height:390px;object-fit:cover}
    .media-caption{padding:18px 20px;background:#fff;color:#49605b;font-weight:650}
    .scenario-list{display:grid;gap:16px}
    .scenario-card{
      display:grid;grid-template-columns:auto 1fr;gap:18px;
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;
      box-shadow:var(--shadow-soft);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)
    }
    .scenario-card:nth-child(2){margin-left:30px}
    .scenario-card:nth-child(3){margin-left:60px}
    .scenario-card:nth-child(4){margin-left:90px}
    .scenario-card:hover{transform:translateY(-3px);border-color:var(--green-500);box-shadow:var(--shadow)}
    .scenario-icon{
      width:48px;height:48px;border-radius:16px;background:var(--green-100);
      display:grid;place-items:center;color:var(--green-800);font-weight:900
    }
    .scenario-card h3{font-size:20px;margin-bottom:6px;color:var(--green-900)}
    .scenario-card p{margin:0;color:var(--muted)}
    .guide-wrap{
      display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch
    }
    .guide-card{
      border-radius:var(--radius-xl);padding:30px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)
    }
    .guide-card.highlight{
      background:linear-gradient(145deg,var(--green-800),var(--green-600));color:#fff;position:relative;overflow:hidden
    }
    .guide-card.highlight::after{
      content:"";position:absolute;right:-70px;bottom:-90px;width:230px;height:230px;border-radius:50%;
      background:rgba(255,255,255,.12)
    }
    .guide-card h2{font-size:30px;line-height:1.25;margin-bottom:14px}
    .guide-card.highlight p,.guide-card.highlight li{color:rgba(255,255,255,.86)}
    .check-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
    .check-list li{
      position:relative;padding-left:30px;color:#48615b
    }
    .check-list li::before{
      content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
      display:grid;place-items:center;background:var(--green-100);color:var(--green-800);font-size:12px;font-weight:900
    }
    .guide-card.highlight .check-list li::before{background:rgba(255,255,255,.18);color:#fff}
    .guide-image{
      margin-top:24px;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.22)
    }
    .guide-image img{height:210px;width:100%;object-fit:cover}
    .capability{
      background:#fff
    }
    .cap-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
    .dashboard{
      background:var(--green-900);color:#fff;border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow)
    }
    .dashboard h3{font-size:24px;margin-bottom:18px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:20px}
    .stat-card{
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
      border-radius:18px;padding:18px
    }
    .stat-card strong{display:block;font-size:30px;line-height:1;color:#fff;margin-bottom:8px}
    .stat-card span{color:rgba(255,255,255,.72);font-size:14px}
    .status-list{display:grid;gap:12px}
    .status-item{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
      padding:13px 14px;border-radius:16px
    }
    .status-item span:first-child{color:rgba(255,255,255,.86)}
    .tag-ok,.tag-watch,.tag-review{
      border-radius:999px;padding:5px 10px;font-size:12px;font-weight:820;white-space:nowrap
    }
    .tag-ok{background:rgba(72,197,153,.18);color:#91f0cc}
    .tag-watch{background:rgba(216,134,34,.18);color:#ffd390}
    .tag-review{background:rgba(255,255,255,.14);color:#e7fff7}
    .cap-list{display:grid;gap:16px}
    .cap-item{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:22px;box-shadow:var(--shadow-soft)
    }
    .cap-item h3{margin-bottom:8px;color:var(--green-900)}
    .cap-item p{margin:0;color:var(--muted)}
    .latest{
      background:linear-gradient(180deg,var(--green-50),#fff)
    }
    .post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .post-card{
      position:relative;display:flex;flex-direction:column;min-height:230px;
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:22px;box-shadow:var(--shadow-soft);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)
    }
    .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green-500)}
    .post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .post-cat{background:var(--green-100);color:var(--green-800);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:820}
    .post-time{color:var(--muted);font-size:13px}
    .post-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;color:var(--green-900)}
    .post-card h3 a:hover{color:var(--green-600)}
    .post-card p{color:var(--muted);margin-bottom:18px;font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .post-card .btn-text{margin-top:auto}
    .empty-state{
      grid-column:1/-1;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
      padding:30px;text-align:center;color:var(--muted);box-shadow:var(--shadow-soft)
    }
    .empty-icon{
      width:54px;height:54px;border-radius:18px;margin:0 auto 12px;background:var(--green-100);
      display:grid;place-items:center;color:var(--green-800);font-weight:900
    }
    .evidence-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center}
    .evidence-image{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
    .evidence-image img{width:100%;height:420px;object-fit:cover}
    .evidence-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .mini-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:22px;box-shadow:var(--shadow-soft);transition:transform var(--ease),border-color var(--ease)
    }
    .mini-card:hover{transform:translateY(-3px);border-color:var(--green-500)}
    .mini-card strong{display:block;color:var(--green-900);font-size:22px;margin-bottom:8px}
    .mini-card p{margin:0;color:var(--muted);font-size:15px}
    .faq{background:#fff}
    .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:start}
    .faq-note{
      background:var(--sand-100);border:1px solid #efe1ca;border-radius:var(--radius-xl);
      padding:28px;position:sticky;top:108px
    }
    .faq-note h2{font-size:30px;color:var(--green-900);line-height:1.25;margin-bottom:12px}
    .faq-note p{color:#5d625d;margin-bottom:0}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)
    }
    .faq-item.open{border-color:var(--green-500);box-shadow:var(--shadow-soft);background:var(--green-50)}
    .faq-question{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;
      background:transparent;color:var(--green-900);padding:20px 22px;text-align:left;font-weight:800
    }
    .faq-question .plus{
      width:28px;height:28px;border-radius:50%;background:var(--green-100);
      display:grid;place-items:center;color:var(--green-800);flex:0 0 auto;transition:transform var(--ease)
    }
    .faq-item.open .plus{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .contact-cta{
      padding:80px 0;
      background:
        linear-gradient(120deg,rgba(13,51,43,.92),rgba(28,122,103,.88)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      color:#fff
    }
    .cta-box{
      display:grid;grid-template-columns:1fr .92fr;gap:34px;align-items:center
    }
    .cta-copy h2{font-size:clamp(28px,4vw,42px);line-height:1.2;margin-bottom:16px}
    .cta-copy p{color:rgba(255,255,255,.78);font-size:17px;margin-bottom:22px;max-width:620px}
    .cta-list{display:flex;flex-wrap:wrap;gap:10px}
    .cta-list span{
      padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.86);font-size:14px;font-weight:680
    }
    .contact-form{
      background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.35);
      border-radius:var(--radius-xl);padding:24px;box-shadow:0 20px 46px rgba(0,0,0,.18)
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{margin-bottom:12px}
    .field label{display:block;color:var(--green-900);font-size:14px;font-weight:780;margin-bottom:7px}
    .field input,.field textarea{
      width:100%;border:1px solid var(--line-strong);border-radius:14px;padding:12px 14px;
      background:#fff;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease)
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input:focus,.field textarea:focus{
      outline:none;border-color:var(--green-600);box-shadow:0 0 0 4px rgba(28,122,103,.13)
    }
    .form-hint{color:#6b7773;font-size:13px;margin:10px 0 0}
    .site-footer{
      background:var(--green-900);color:rgba(255,255,255,.78);padding:56px 0 24px
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .75fr .75fr 1fr;gap:30px;margin-bottom:34px}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:850;font-size:18px;margin-bottom:14px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-about{max-width:360px;margin:0;color:rgba(255,255,255,.68)}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:14px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.68);transition:color var(--ease),padding-left var(--ease)}
    .footer-links a:hover{color:#fff;padding-left:4px}
    .footer-alert{
      border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);
      border-radius:18px;padding:16px;color:rgba(255,255,255,.72)
    }
    .footer-bottom{
      display:flex;justify-content:space-between;gap:18px;align-items:center;
      border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:14px;color:rgba(255,255,255,.58)
    }
    .footer-bottom a{color:rgba(255,255,255,.72)}
    .footer-bottom a:hover{color:#fff}
    @media (max-width:1024px){
      .hero-inner,.solution-grid,.cap-grid,.evidence-grid,.faq-layout,.cta-box{grid-template-columns:1fr}
      .hero{padding-top:64px}
      .solution-media,.faq-note{position:relative;top:auto}
      .process-strip{grid-template-columns:repeat(2,1fr)}
      .post-grid{grid-template-columns:repeat(2,1fr)}
      .scenario-card:nth-child(n){margin-left:0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:820px){
      .mobile-toggle{display:block}
      .nav-actions .btn{display:none}
      .nav-menu{
        position:absolute;left:20px;right:20px;top:76px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:14px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)
      }
      .nav-menu.open{display:flex}
      .nav-link{justify-content:flex-start;padding:13px 14px}
      .section{padding:64px 0}
      .section-head{display:block}
      .guide-wrap{grid-template-columns:1fr}
      .evidence-cards{grid-template-columns:1fr}
      .contact-cta{padding:64px 0}
    }
    @media (max-width:640px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:68px}
      .nav-menu{top:68px;left:14px;right:14px}
      .brand-text{font-size:16px}
      .hero{padding:48px 0 52px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-visual{padding:14px;border-radius:22px}
      .panel-head{align-items:flex-start;gap:10px;flex-direction:column}
      .risk-row{grid-template-columns:auto 1fr}
      .risk-level{grid-column:2}
      .process-strip,.post-grid,.stat-grid,.form-row{grid-template-columns:1fr}
      .section-title{font-size:28px}
      .solution-media img,.evidence-image img{height:280px}
      .guide-card,.dashboard,.contact-form{padding:22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:420px){
      .badge{width:100%;justify-content:center}
      .hero-badges{display:grid;grid-template-columns:1fr}
      .post-meta{align-items:flex-start;flex-direction:column}
      .cta-list{display:grid}
    }

/* roulang page: article */
:root{
      --green-900:#0d332b;
      --green-800:#13483d;
      --green-700:#176656;
      --green-600:#1c7a67;
      --green-500:#22947c;
      --green-100:#e6f4ef;
      --green-50:#f1fbf7;
      --sand-100:#faf4e8;
      --sand-50:#fffaf0;
      --amber:#d88622;
      --amber-100:#fff0d7;
      --text:#1f2d2a;
      --muted:#687875;
      --light:#ffffff;
      --line:#dce8e3;
      --line-strong:#bdd5cd;
      --shadow:0 18px 45px rgba(13,51,43,.10);
      --shadow-soft:0 10px 28px rgba(13,51,43,.07);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,var(--sand-50) 0%,#fff 42%,var(--green-50) 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:var(--green-100);color:var(--green-900)}
    :focus-visible{outline:3px solid rgba(216,134,34,.34);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}

    .site-header{
      position:sticky;top:0;z-index:99;
      background:rgba(255,250,240,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(220,232,227,.72);
      transition:box-shadow var(--ease),background var(--ease);
    }
    .site-header.scrolled{box-shadow:0 10px 24px rgba(13,51,43,.08);background:rgba(255,255,255,.94)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:800;color:var(--green-900);
      letter-spacing:.02em;white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--green-700),#31af8f);
      display:grid;place-items:center;color:#fff;box-shadow:0 12px 24px rgba(28,122,103,.22);
      position:relative;overflow:hidden;flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";position:absolute;width:18px;height:30px;border:2px solid rgba(255,255,255,.78);
      border-radius:12px 12px 16px 16px;top:7px;left:12px;
    }
    .brand-mark span{position:relative;font-size:17px;z-index:1}
    .brand-text{font-size:18px}
    .nav-menu{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
    .nav-link{
      display:inline-flex;align-items:center;justify-content:center;
      padding:10px 14px;border-radius:999px;color:#37504b;font-weight:650;font-size:15px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .nav-link:hover,.nav-link.active{background:var(--green-100);color:var(--green-800)}
    .nav-link:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line);
      color:var(--green-900);box-shadow:var(--shadow-soft);
    }
    .mobile-toggle span{
      display:block;width:20px;height:2px;background:currentColor;margin:5px auto;border-radius:2px;
      transition:transform var(--ease),opacity var(--ease);
    }
    .mobile-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;font-weight:750;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
    }
    .btn-primary{background:var(--green-700);color:#fff;box-shadow:0 14px 26px rgba(28,122,103,.22)}
    .btn-primary:hover{background:var(--green-800);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px rgba(28,122,103,.28)}
    .btn-secondary{background:#fff;color:var(--green-800);border:1px solid var(--line-strong)}
    .btn-secondary:hover{background:var(--green-50);color:var(--green-800);border-color:var(--green-500);transform:translateY(-2px)}
    .btn-text{color:var(--green-800);font-weight:760;display:inline-flex;align-items:center;gap:6px}
    .btn-text:hover{color:var(--green-600)}

    .article-banner{
      position:relative;
      overflow:hidden;
      padding:54px 0 48px;
      background:
        linear-gradient(110deg,rgba(255,250,240,.96),rgba(241,251,247,.9),rgba(230,244,239,.84)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      border-bottom:1px solid rgba(220,232,227,.82);
    }
    .article-banner::before{
      content:"";position:absolute;inset:0;
      background-image:radial-gradient(rgba(28,122,103,.12) 1px,transparent 1px);
      background-size:24px 24px;
      mask-image:linear-gradient(90deg,#000 0%,transparent 82%);
      pointer-events:none;
    }
    .article-banner::after{
      content:"";position:absolute;width:420px;height:420px;right:-150px;top:-170px;border-radius:50%;
      background:rgba(34,148,124,.13);
      filter:blur(3px);
    }
    .banner-inner{position:relative;z-index:1}
    .breadcrumb{
      display:flex;flex-wrap:wrap;gap:8px;align-items:center;
      margin:0 0 22px;padding:0;list-style:none;color:var(--muted);font-size:14px;
    }
    .breadcrumb a{color:var(--green-800);font-weight:700}
    .breadcrumb a:hover{color:var(--green-600)}
    .breadcrumb .sep{color:#8ca09b}
    .article-title-panel{
      max-width:920px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(220,232,227,.88);
      border-radius:var(--radius-xl);
      padding:30px;
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(10px);
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.88);
      border:1px solid var(--line);color:var(--green-800);font-size:14px;font-weight:760;
    }
    .eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px rgba(216,134,34,.14)}
    .article-title-panel h1{
      margin:16px 0 16px;
      font-size:clamp(30px,4.6vw,48px);
      line-height:1.18;
      letter-spacing:-.035em;
      color:var(--green-900);
      font-weight:850;
    }
    .article-summary{
      color:#405a55;
      font-size:17px;
      margin:0 0 20px;
      max-width:820px;
    }
    .meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .badge{
      display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
      background:rgba(255,255,255,.78);color:#405a55;border-radius:999px;
      padding:8px 12px;font-size:14px;font-weight:680;
    }
    .badge i{width:8px;height:8px;border-radius:50%;background:var(--green-600);display:inline-block}
    .badge-warning{background:var(--amber-100);border-color:#f0d3a4;color:#7a4b10}
    .badge-warning i{background:var(--amber)}

    main{position:relative}
    .section{padding:72px 0}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:34px;
      align-items:start;
    }
    .article-shell{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .article-cover{
      position:relative;
      min-height:260px;
      background:var(--green-50);
      overflow:hidden;
    }
    .article-cover img{width:100%;height:100%;min-height:260px;object-fit:cover}
    .article-cover::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(13,51,43,.03),rgba(13,51,43,.26));
      pointer-events:none;
    }
    .article-content{
      padding:38px;
      font-size:17px;
      line-height:1.9;
      color:#2a3936;
    }
    .article-content h2{
      margin:2.1em 0 .75em;
      font-size:28px;
      line-height:1.32;
      color:var(--green-900);
      font-weight:820;
      letter-spacing:-.02em;
    }
    .article-content h3{
      margin:1.7em 0 .65em;
      font-size:22px;
      line-height:1.4;
      color:var(--green-800);
      font-weight:760;
    }
    .article-content p{margin:0 0 1.15em}
    .article-content a{
      color:var(--green-700);
      font-weight:720;
      border-bottom:1px solid rgba(28,122,103,.24);
      transition:color var(--ease),border-color var(--ease);
    }
    .article-content a:hover{color:var(--green-500);border-color:var(--green-500)}
    .article-content ul,.article-content ol{padding-left:1.35em;margin:0 0 1.25em}
    .article-content li{margin:.38em 0}
    .article-content blockquote{
      margin:1.6em 0;
      padding:20px 22px;
      border-left:5px solid var(--green-600);
      background:var(--green-50);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      color:#36534e;
      font-weight:650;
    }
    .article-content img{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      margin:1.8em auto;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      margin:1.5em 0;
      background:#fff;
    }
    .article-content th,.article-content td{
      padding:14px 16px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
    }
    .article-content th{background:var(--green-50);color:var(--green-900);font-weight:780}
    .article-content tr:last-child td{border-bottom:0}
    .article-content .notice,.article-content .tips{
      padding:18px 20px;
      border-radius:var(--radius-md);
      border:1px solid var(--line-strong);
      background:linear-gradient(180deg,#fff,var(--green-50));
      margin:1.5em 0;
    }
    .not-found{
      display:grid;
      place-items:center;
      text-align:center;
      min-height:380px;
      padding:46px 28px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
    }
    .not-found-icon{
      width:72px;height:72px;border-radius:24px;
      display:grid;place-items:center;
      background:var(--green-100);
      color:var(--green-800);
      font-size:28px;
      margin-bottom:18px;
    }
    .not-found h2{margin:0 0 10px;color:var(--green-900);font-size:28px;font-weight:820}
    .not-found p{margin:0 0 22px;color:var(--muted)}

    .sidebar{
      position:sticky;
      top:98px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .side-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
    .side-card h2,.side-card h3{
      margin:0 0 14px;
      font-size:20px;
      line-height:1.35;
      color:var(--green-900);
      font-weight:820;
    }
    .toc-list,.related-list,.check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:11px;
    }
    .toc-list a,.related-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:var(--radius-sm);
      color:#38534e;
      background:var(--green-50);
      border:1px solid transparent;
      font-weight:690;
      transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
    }
    .toc-list a:hover,.related-list a:hover{
      background:#fff;
      color:var(--green-700);
      border-color:var(--line-strong);
      transform:translateX(2px);
    }
    .related-list small{display:block;color:var(--muted);font-weight:600;margin-top:2px}
    .check-list li{
      position:relative;
      padding-left:26px;
      color:#435b56;
      font-size:15px;
    }
    .check-list li::before{
      content:"";
      position:absolute;
      left:0;top:.55em;
      width:14px;height:14px;border-radius:50%;
      background:var(--green-100);
      border:4px solid var(--green-600);
    }
    .guide-card{
      overflow:hidden;
      padding:0;
    }
    .guide-card img{
      width:100%;
      height:150px;
      object-fit:cover;
    }
    .guide-card .guide-body{padding:20px}
    .guide-card p{margin:0 0 16px;color:var(--muted);font-size:15px}

    .reading-tools{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      margin-top:22px;
      padding-top:22px;
      border-top:1px solid var(--line);
    }
    .share-note{font-size:14px;color:var(--muted)}
    .article-nav{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:22px;
    }
    .nav-card{
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      padding:18px;
      background:linear-gradient(180deg,#fff,var(--green-50));
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .nav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft);border-color:var(--line-strong)}
    .nav-card span{display:block;color:var(--muted);font-size:13px;margin-bottom:5px}
    .nav-card strong{display:block;color:var(--green-900);font-size:16px;line-height:1.5}

    .info-strip{
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:
        linear-gradient(135deg,rgba(230,244,239,.94),rgba(255,250,240,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
    }
    .info-strip h2{
      margin:0 0 8px;
      font-size:28px;
      color:var(--green-900);
      font-weight:850;
      letter-spacing:-.02em;
    }
    .info-strip p{margin:0;color:#405a55;max-width:760px}
    .faq-section{padding-top:0}
    .section-heading{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:end;
      margin-bottom:26px;
    }
    .section-heading h2{
      margin:0;
      font-size:32px;
      color:var(--green-900);
      font-weight:850;
      letter-spacing:-.025em;
    }
    .section-heading p{margin:8px 0 0;color:var(--muted);max-width:680px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:#fff;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:20px 22px;
      color:var(--green-900);
      background:#fff;
      text-align:left;
      font-weight:800;
      transition:background var(--ease),color var(--ease);
    }
    .faq-question:hover{background:var(--green-50)}
    .faq-icon{
      width:28px;height:28px;border-radius:50%;
      background:var(--green-100);
      color:var(--green-800);
      display:grid;place-items:center;
      flex:0 0 auto;
      transition:transform var(--ease),background var(--ease);
    }
    .faq-item.open .faq-question{background:var(--green-50)}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--green-700);color:#fff}
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:#506964;
      border-top:1px solid rgba(220,232,227,.65);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-answer p{margin:16px 0 0}

    .contact-band{
      padding:0 0 78px;
    }
    .cta-panel{
      border-radius:var(--radius-xl);
      padding:36px;
      background:linear-gradient(135deg,var(--green-900),var(--green-700));
      color:#fff;
      position:relative;
      overflow:hidden;
      box-shadow:0 24px 54px rgba(13,51,43,.18);
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-100px;top:-120px;
      width:340px;height:340px;border-radius:50%;
      background:rgba(255,255,255,.11);
    }
    .cta-panel h2{position:relative;z-index:1;margin:0 0 10px;font-size:30px;font-weight:850;letter-spacing:-.02em}
    .cta-panel p{position:relative;z-index:1;margin:0;color:rgba(255,255,255,.82);max-width:760px}
    .cta-panel .btn{position:relative;z-index:1;background:#fff;color:var(--green-900)}
    .cta-panel .btn:hover{background:var(--sand-100);color:var(--green-900)}

    .site-footer{
      background:var(--green-900);
      color:rgba(255,255,255,.82);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .78fr .82fr 1.05fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:850;
      font-size:19px;
      margin-bottom:16px;
    }
    .footer-about{margin:0;color:rgba(255,255,255,.72);line-height:1.85}
    .footer-col h3{
      color:#fff;
      font-size:16px;
      margin:0 0 16px;
      font-weight:820;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.74);
      transition:color var(--ease),padding-left var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:4px;
    }
    .footer-alert{
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.07);
      border-radius:var(--radius-md);
      padding:16px;
      line-height:1.8;
      color:rgba(255,255,255,.78);
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);
      margin-top:36px;
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.62);
      font-size:14px;
    }
    .footer-bottom a{color:rgba(255,255,255,.82)}
    .footer-bottom a:hover{color:#fff}

    @media (max-width:1100px){
      .nav-actions .btn{display:none}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .guide-card{grid-column:span 2}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:860px){
      .mobile-toggle{display:block}
      .nav-wrap{height:68px}
      .nav-menu{
        position:absolute;
        left:20px;
        right:20px;
        top:76px;
        padding:12px;
        border-radius:22px;
        border:1px solid var(--line);
        background:rgba(255,255,255,.97);
        box-shadow:var(--shadow);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
      }
      .nav-menu.open{display:flex}
      .nav-link{justify-content:flex-start;padding:12px 14px}
      .article-banner{padding:36px 0 34px}
      .article-title-panel{padding:24px;border-radius:22px}
      .section{padding:54px 0}
      .article-content{padding:28px;font-size:16px}
      .article-content h2{font-size:24px}
      .article-cover,.article-cover img{min-height:220px}
      .info-strip,.cta-panel{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .section-heading{display:block}
      .sidebar{grid-template-columns:1fr}
      .guide-card{grid-column:auto}
    }
    @media (max-width:560px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .brand-text{font-size:16px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .article-title-panel h1{font-size:29px}
      .article-summary{font-size:16px}
      .meta-row{align-items:stretch}
      .badge{width:100%;justify-content:flex-start}
      .article-content{padding:22px}
      .article-nav{grid-template-columns:1fr}
      .info-strip,.cta-panel{padding:24px}
      .info-strip h2,.cta-panel h2,.section-heading h2{font-size:25px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}