/* roulang page: index */
:root{
      --primary:#2F4858;
      --primary-2:#203642;
      --accent:#FFBF00;
      --accent-2:#FFD45A;
      --bg:#F9F7F3;
      --surface:#FFFFFF;
      --text:#333333;
      --muted:#6B7280;
      --line:rgba(47,72,88,.14);
      --line-strong:rgba(47,72,88,.22);
      --radius:22px;
      --radius-lg:30px;
      --shadow:0 18px 45px rgba(47,72,88,.10);
      --shadow-hover:0 28px 70px rgba(47,72,88,.17);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 12%, rgba(255,191,0,.16), transparent 28%),
        radial-gradient(circle at 92% 6%, rgba(47,72,88,.10), transparent 32%),
        var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,191,0,.35);color:var(--primary)}
    .site-container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .skip-link{position:absolute;left:-999px;top:12px;z-index:999;background:var(--accent);color:var(--primary);padding:10px 14px;border-radius:999px;font-weight:700}
    .skip-link:focus{left:14px}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(47,72,88,.96);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.12);
      box-shadow:0 10px 32px rgba(17,34,45,.16);
    }
    .nav-shell{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content;color:#fff;font-weight:800;letter-spacing:.2px}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--accent),#ffe08a);
      color:var(--primary);
      box-shadow:inset 0 -8px 18px rgba(47,72,88,.13),0 10px 24px rgba(255,191,0,.25)
    }
    .brand small{display:block;font-weight:500;color:rgba(255,255,255,.70);font-size:12px;margin-top:-3px;letter-spacing:1px}
    .desktop-nav{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.06);border-radius:999px}
    .nav-link{color:rgba(255,255,255,.82);font-weight:650;font-size:14px;padding:10px 18px;border-radius:999px;transition:.22s ease}
    .nav-link:hover,.nav-link.active{color:#fff;background:rgba(255,255,255,.13)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .command-search{
      width:220px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.09);color:#fff;display:flex;align-items:center;gap:8px;padding:0 14px;
      transition:.22s ease
    }
    .command-search:focus-within{border-color:rgba(255,191,0,.70);box-shadow:0 0 0 4px rgba(255,191,0,.12)}
    .command-search input{width:100%;border:0;outline:0;background:transparent;color:#fff;font-size:13px}
    .command-search input::placeholder{color:rgba(255,255,255,.62)}
    .login-link{color:rgba(255,255,255,.76);font-size:14px;font-weight:650;transition:.22s ease}
    .login-link:hover{color:#fff}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:0 20px;border-radius:999px;font-weight:800;
      border:1px solid transparent;transition:transform .22s ease, box-shadow .22s ease, filter .22s ease, background .22s ease, border .22s ease;
      white-space:nowrap
    }
    .btn:focus-visible,.faq-question:focus-visible,.mobile-toggle:focus-visible,input:focus-visible{outline:3px solid rgba(255,191,0,.45);outline-offset:3px}
    .btn-primary{background:var(--accent);color:var(--primary);box-shadow:0 14px 30px rgba(255,191,0,.28)}
    .btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 20px 42px rgba(255,191,0,.35)}
    .btn-outline{border-color:rgba(255,255,255,.62);color:#fff;background:rgba(255,255,255,.08)}
    .btn-outline:hover{background:#fff;color:var(--primary);transform:translateY(-2px)}
    .btn-muted{border-color:var(--line);background:#fff;color:var(--primary)}
    .btn-muted:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#fff}
    .mobile-menu{display:none;border-top:1px solid rgba(255,255,255,.12);padding:14px 0 18px}
    .mobile-menu.open{display:block}
    .mobile-menu a{display:block;color:#fff;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.07);font-weight:700;margin-bottom:10px}
    .hero{
      position:relative;overflow:hidden;color:#fff;
      background-image:linear-gradient(110deg, rgba(31,52,64,.94) 0%, rgba(47,72,88,.82) 48%, rgba(47,72,88,.42) 100%), url('/assets/images/backpic/back-1.webp');
      background-size:cover;background-position:center;
    }
    .hero::after{
      content:"";position:absolute;inset:auto -12% -34% auto;width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,191,0,.38), transparent 65%);
      filter:blur(4px)
    }
    .hero-wrap{position:relative;z-index:1;min-height:680px;display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;padding:86px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);font-weight:750;font-size:13px;color:rgba(255,255,255,.88)}
    .eyebrow-dot{width:8px;height:8px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 6px rgba(255,191,0,.14)}
    .hero h1{font-size:clamp(40px,6vw,68px);line-height:1.08;margin:22px 0 20px;font-weight:900;letter-spacing:-1.8px}
    .hero p{font-size:18px;max-width:680px;color:rgba(255,255,255,.82);margin:0 0 32px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .hero-panel{
      border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.12);
      backdrop-filter:blur(16px);border-radius:var(--radius-lg);padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.22)
    }
    .dashboard-card{background:rgba(255,255,255,.92);color:var(--text);border-radius:24px;padding:22px;border:1px solid rgba(255,255,255,.55)}
    .metric-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
    .mini-metric{padding:16px;border-radius:18px;background:#F7FAF9;border:1px solid rgba(47,72,88,.11)}
    .mini-metric strong{display:block;color:var(--primary);font-size:26px;line-height:1.1}
    .mini-metric span{font-size:12px;color:var(--muted)}
    .progress-line{height:10px;border-radius:999px;background:#E8EEE9;overflow:hidden;margin-top:12px}
    .progress-line i{display:block;height:100%;width:86%;background:linear-gradient(90deg,var(--accent),#ffdc73);border-radius:999px}
    main{overflow:hidden}
    .section{padding:92px 0}
    .section-tight{padding:72px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:26px;margin-bottom:38px}
    .section-kicker{color:var(--primary);font-weight:850;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:8px}
    .section-title{font-size:clamp(30px,4vw,44px);line-height:1.18;font-weight:900;color:var(--primary);letter-spacing:-.8px;margin:0}
    .section-desc{color:var(--muted);max-width:620px;margin:12px 0 0;font-size:16px}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:rgba(47,72,88,.08);color:var(--primary);font-size:12px;font-weight:800}
    .tag.amber{background:rgba(255,191,0,.18);color:#6b4b00}
    .service-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px;align-items:stretch}
    .service-feature{
      position:relative;min-height:510px;border-radius:var(--radius-lg);overflow:hidden;background:var(--primary);box-shadow:var(--shadow)
    }
    .service-feature img{width:100%;height:100%;object-fit:cover;opacity:.72;filter:saturate(.85)}
    .service-feature .overlay{position:absolute;inset:0;background:linear-gradient(180deg, transparent 20%, rgba(26,44,55,.92) 100%)}
    .service-feature-content{position:absolute;left:28px;right:28px;bottom:28px;color:#fff}
    .service-feature-content h3{font-size:29px;line-height:1.25;margin:14px 0 10px;font-weight:900}
    .service-stack{display:grid;gap:18px}
    .service-card{
      display:grid;grid-template-columns:74px 1fr;gap:20px;align-items:start;background:#fff;border:1px solid var(--line);
      border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.24s ease
    }
    .service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,191,0,.48)}
    .icon-box{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:rgba(255,191,0,.16);color:var(--primary)}
    .service-card h3{font-size:22px;color:var(--primary);font-weight:900;margin:0 0 8px}
    .service-card p{color:var(--muted);margin:0}
    .data-band{background:var(--primary);color:#fff;position:relative}
    .data-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 30%, rgba(255,191,0,.22), transparent 28%), linear-gradient(90deg, rgba(255,255,255,.05), transparent)}
    .data-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .data-card{padding:28px;border-radius:24px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
    .data-card strong{display:block;color:var(--accent);font-size:42px;line-height:1;font-weight:950;letter-spacing:-1px}
    .data-card span{display:block;color:rgba(255,255,255,.86);font-weight:750;margin-top:12px}
    .data-card p{color:rgba(255,255,255,.68);font-size:14px;margin:8px 0 0}
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:.24s ease}
    .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .case-card img{width:100%;height:245px;object-fit:cover}
    .case-card.large img{height:358px}
    .case-body{padding:24px}
    .case-body h3{font-size:23px;color:var(--primary);font-weight:900;margin:13px 0 8px}
    .case-body p{color:var(--muted);margin:0}
    .case-side{display:grid;gap:22px}
    .solutions{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .solution-shell{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start}
    .tabs{display:grid;gap:12px}
    .tab-btn{
      text-align:left;border:1px solid var(--line);background:var(--bg);border-radius:18px;padding:17px 18px;font-weight:850;color:var(--primary);
      transition:.22s ease
    }
    .tab-btn:hover,.tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow)}
    .solution-panel{border-radius:var(--radius-lg);background:linear-gradient(135deg,#FDFBF7,#EDF4F1);border:1px solid var(--line);padding:34px;min-height:330px}
    .solution-panel[hidden]{display:none}
    .solution-panel h3{font-size:28px;color:var(--primary);font-weight:900;margin:0 0 12px}
    .solution-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
    .solution-list li{list-style:none;padding:16px 16px 16px 44px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative;color:var(--muted)}
    .solution-list li::before{content:"";position:absolute;left:17px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(255,191,0,.16)}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.24s ease;display:flex;flex-direction:column;min-height:100%}
    .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,72,88,.28)}
    .news-cover{height:178px;background:#EAF0ED;overflow:hidden}
    .news-cover img{width:100%;height:100%;object-fit:cover;transition:.35s ease}
    .news-card:hover .news-cover img{transform:scale(1.04)}
    .news-body{padding:22px;display:flex;flex-direction:column;flex:1}
    .news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;color:var(--muted);font-size:13px}
    .news-body h3{font-size:20px;line-height:1.35;font-weight:900;color:var(--primary);margin:0 0 10px}
    .news-body p{color:var(--muted);font-size:14px;margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .read-link{margin-top:auto;color:var(--primary);font-weight:900;display:inline-flex;align-items:center;gap:6px}
    .read-link:hover{color:#6b4b00}
    .empty-state{grid-column:1/-1;text-align:center;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);padding:52px 24px;box-shadow:var(--shadow)}
    .empty-state strong{display:block;color:var(--primary);font-size:24px;margin-bottom:8px}
    .faq-wrap{max-width:900px;margin:0 auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;margin-bottom:14px;overflow:hidden;box-shadow:0 12px 30px rgba(47,72,88,.07)}
    .faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:22px 24px;color:var(--primary);font-size:18px;font-weight:900}
    .faq-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(255,191,0,.18);transition:.24s ease;flex:0 0 auto}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-answer p{margin:0;padding:0 24px 22px;color:var(--muted)}
    .faq-item.open .faq-answer{max-height:220px}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent)}
    .cta-section{padding:88px 0}
    .cta-card{
      position:relative;overflow:hidden;border-radius:34px;background:linear-gradient(135deg, var(--primary), #203642);
      color:#fff;padding:52px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;box-shadow:0 28px 80px rgba(47,72,88,.22)
    }
    .cta-card::after{content:"";position:absolute;right:-80px;top:-110px;width:360px;height:360px;border-radius:50%;background:rgba(255,191,0,.23)}
    .cta-card h2{position:relative;font-size:clamp(30px,4vw,46px);line-height:1.15;font-weight:950;margin:0 0 12px}
    .cta-card p{position:relative;color:rgba(255,255,255,.78);margin:0;max-width:720px}
    .cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{background:var(--primary);color:rgba(255,255,255,.75);padding:62px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr .7fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:900;font-size:19px;margin-bottom:14px}
    .footer-logo .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-title{color:#fff;font-weight:900;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{transition:.2s ease}
    .footer-links a:hover{color:var(--accent);transform:translateX(3px)}
    .qr{width:118px;height:118px;border-radius:20px;background:linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,191,0,.62));display:grid;place-items:center;color:var(--primary);font-weight:950;text-align:center;font-size:13px;padding:10px}
    .copyright{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.58)}
    @media (max-width:1024px){
      .nav-actions .command-search,.login-link{display:none}
      .hero-wrap{grid-template-columns:1fr;min-height:auto;padding:74px 0}
      .hero-panel{max-width:640px}
      .service-layout,.case-grid,.solution-shell{grid-template-columns:1fr}
      .data-grid{grid-template-columns:repeat(2,1fr)}
      .news-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px, var(--container))}
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .nav-shell{height:68px}
      .brand small{display:none}
      .section{padding:70px 0}
      .section-tight{padding:58px 0}
      .section-head{display:block}
      .hero h1{letter-spacing:-1px}
      .hero p{font-size:16px}
      .metric-row,.solution-list,.news-grid{grid-template-columns:1fr}
      .service-card{grid-template-columns:1fr}
      .service-feature{min-height:420px}
      .data-grid{grid-template-columns:1fr}
      .case-card.large img,.case-card img{height:220px}
      .cta-card{padding:34px 24px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block;text-align:center}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .hero-wrap{padding:58px 0}
      .hero-panel{padding:14px;border-radius:24px}
      .dashboard-card{padding:18px}
      .section-title{font-size:29px}
      .faq-question{font-size:16px;padding:19px}
      .faq-answer p{padding:0 19px 19px}
    }

/* roulang page: article */
:root{
      --primary:#2F4858;
      --primary-2:#243946;
      --primary-soft:#E8F0EF;
      --accent:#FFBF00;
      --accent-2:#FFD24A;
      --bg:#F9F7F3;
      --surface:#FFFFFF;
      --surface-2:#F3EFE7;
      --text:#333333;
      --muted:#6B7280;
      --line:rgba(47,72,88,.16);
      --line-strong:rgba(47,72,88,.28);
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow-sm:0 8px 22px rgba(47,72,88,.08);
      --shadow-md:0 18px 44px rgba(47,72,88,.12);
      --shadow-xl:0 28px 70px rgba(47,72,88,.18);
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(255,191,0,.13), transparent 28%),
        radial-gradient(circle at 88% 22%, rgba(47,72,88,.12), transparent 32%),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,191,0,.45);color:var(--primary)}
    :focus-visible{outline:3px solid rgba(255,191,0,.72);outline-offset:3px;border-radius:10px}

    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(47,72,88,.94);
      color:#fff;
      border-bottom:1px solid rgba(255,255,255,.12);
      box-shadow:0 12px 34px rgba(22,35,43,.18);
      backdrop-filter:blur(16px);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:#fff;
      font-weight:800;
      letter-spacing:.02em;
      transition:transform .22s ease, opacity .22s ease;
    }
    .brand:hover{transform:translateY(-1px);opacity:.96}
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:var(--accent);
      background:linear-gradient(145deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 10px 24px rgba(0,0,0,.16);
      flex:0 0 auto;
    }
    .brand span:last-child{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      font-size:17px;
    }
    .brand small{
      margin-top:5px;
      font-size:11px;
      font-weight:500;
      color:rgba(255,255,255,.66);
      letter-spacing:.08em;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.10);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 18px;
      border-radius:999px;
      color:rgba(255,255,255,.78);
      font-size:14px;
      font-weight:650;
      transition:background .22s ease,color .22s ease, transform .22s ease;
    }
    .nav-link:hover,
    .nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.14);
      transform:translateY(-1px);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:2px;
      border-radius:999px;
      background:var(--accent);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .command-search{
      height:42px;
      min-width:206px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 13px;
      border-radius:999px;
      color:rgba(255,255,255,.64);
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      transition:border-color .22s ease, background .22s ease, box-shadow .22s ease;
    }
    .command-search:focus-within{
      border-color:rgba(255,191,0,.78);
      background:rgba(255,255,255,.15);
      box-shadow:0 0 0 4px rgba(255,191,0,.12);
    }
    .command-search input{
      width:100%;
      min-width:0;
      color:#fff;
      background:transparent;
      border:0;
      outline:0;
      font-size:13px;
    }
    .command-search input::placeholder{color:rgba(255,255,255,.58)}
    .login-link{
      color:rgba(255,255,255,.78);
      font-size:14px;
      font-weight:650;
      transition:color .22s ease, transform .22s ease;
    }
    .login-link:hover{color:#fff;transform:translateY(-1px)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      line-height:1;
      white-space:nowrap;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, filter .22s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary{
      background:var(--accent);
      color:var(--primary);
      box-shadow:0 14px 26px rgba(255,191,0,.22);
    }
    .btn-primary:hover{filter:brightness(1.08);box-shadow:0 18px 34px rgba(255,191,0,.32)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:var(--line);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{
      border-color:rgba(255,191,0,.65);
      box-shadow:var(--shadow-md);
    }
    .btn-outline{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.24);
    }
    .btn-outline:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.38)}
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.16);
      border-radius:14px;
      transition:background .22s ease, transform .22s ease;
    }
    .mobile-toggle:hover{background:rgba(255,255,255,.17);transform:translateY(-1px)}
    .mobile-menu{
      display:none;
      padding:0 0 16px;
    }
    .mobile-menu a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:46px;
      padding:0 14px;
      margin-top:8px;
      color:rgba(255,255,255,.86);
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:14px;
      font-weight:700;
    }
    .mobile-menu a:hover{background:rgba(255,255,255,.14)}

    .article-hero{
      position:relative;
      padding:72px 0 42px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(47,72,88,.94), rgba(47,72,88,.70)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto -120px -220px auto;
      width:520px;
      height:520px;
      border-radius:999px;
      background:rgba(255,191,0,.18);
      filter:blur(16px);
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0, 1fr) 360px;
      gap:42px;
      align-items:end;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:8px 13px;
      border-radius:999px;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.20);
      font-size:13px;
      font-weight:750;
      letter-spacing:.04em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(255,191,0,.14);
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin:0 0 22px;
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .breadcrumb a{
      color:rgba(255,255,255,.86);
      transition:color .22s ease;
    }
    .breadcrumb a:hover{color:var(--accent)}
    .breadcrumb span.current{
      max-width:560px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      color:#fff;
    }
    .article-title{
      margin:20px 0 18px;
      font-size:clamp(34px, 5vw, 58px);
      line-height:1.08;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .article-summary{
      max-width:760px;
      color:rgba(255,255,255,.78);
      font-size:18px;
      line-height:1.85;
    }
    .meta-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 13px;
      border-radius:999px;
      color:rgba(255,255,255,.82);
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.16);
      font-size:13px;
      font-weight:650;
    }
    .hero-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 30px 80px rgba(0,0,0,.18);
      backdrop-filter:blur(12px);
    }
    .hero-card img{
      width:100%;
      height:250px;
      object-fit:cover;
      opacity:.92;
    }
    .hero-card-info{
      padding:20px;
      background:linear-gradient(180deg, rgba(47,72,88,.10), rgba(47,72,88,.52));
    }
    .kpi-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .kpi-mini{
      padding:12px 10px;
      border-radius:16px;
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.14);
      text-align:center;
    }
    .kpi-mini strong{
      display:block;
      color:var(--accent);
      font-size:18px;
      line-height:1.2;
    }
    .kpi-mini span{
      display:block;
      margin-top:3px;
      color:rgba(255,255,255,.68);
      font-size:12px;
    }

    main{position:relative}
    .content-wrap{
      padding:64px 0 78px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0, 790px) 320px;
      gap:42px;
      align-items:start;
    }
    .article-panel{
      min-width:0;
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius:28px;
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .article-cover{
      position:relative;
      height:320px;
      overflow:hidden;
      background:var(--primary-soft);
    }
    .article-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
    }
    .article-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 52%, rgba(47,72,88,.42));
      pointer-events:none;
    }
    .article-body{
      padding:42px 48px 50px;
      color:#374151;
      font-size:17px;
      line-height:1.88;
    }
    .article-body h2,
    .article-body h3,
    .article-body h4{
      color:var(--primary);
      line-height:1.32;
      letter-spacing:-.02em;
      font-weight:850;
    }
    .article-body h2{
      margin:34px 0 16px;
      padding-top:4px;
      font-size:29px;
    }
    .article-body h3{
      margin:28px 0 12px;
      font-size:22px;
    }
    .article-body h4{
      margin:24px 0 10px;
      font-size:19px;
    }
    .article-body p{
      margin:0 0 20px;
    }
    .article-body a{
      color:var(--primary);
      font-weight:800;
      border-bottom:2px solid rgba(255,191,0,.65);
      transition:color .22s ease,border-color .22s ease;
    }
    .article-body a:hover{
      color:#1f3340;
      border-color:var(--accent);
    }
    .article-body ul,
    .article-body ol{
      margin:18px 0 24px;
      padding-left:1.35em;
    }
    .article-body li{
      margin:8px 0;
      padding-left:4px;
    }
    .article-body blockquote{
      margin:28px 0;
      padding:22px 24px;
      color:var(--primary);
      background:linear-gradient(135deg, rgba(255,191,0,.16), rgba(47,72,88,.06));
      border-left:5px solid var(--accent);
      border-radius:0 18px 18px 0;
      font-weight:700;
    }
    .article-body img{
      margin:30px auto;
      border-radius:22px;
      box-shadow:var(--shadow-md);
      border:1px solid var(--line);
    }
    .article-body table{
      width:100%;
      margin:28px 0;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .article-body th,
    .article-body td{
      padding:14px 16px;
      border-bottom:1px solid var(--line);
      text-align:left;
      vertical-align:top;
    }
    .article-body th{
      color:var(--primary);
      background:var(--primary-soft);
      font-weight:850;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body code{
      padding:2px 7px;
      border-radius:8px;
      color:#28404f;
      background:rgba(47,72,88,.08);
      font-size:.92em;
    }
    .article-body pre{
      margin:28px 0;
      padding:22px;
      overflow:auto;
      color:#edf7f5;
      background:#1f3340;
      border-radius:20px;
      box-shadow:var(--shadow-md);
    }
    .article-body pre code{
      padding:0;
      color:inherit;
      background:transparent;
    }

    .empty-state{
      padding:54px 42px;
      text-align:center;
    }
    .empty-icon{
      width:76px;
      height:76px;
      display:grid;
      place-items:center;
      margin:0 auto 20px;
      border-radius:24px;
      color:var(--primary);
      background:linear-gradient(145deg, rgba(255,191,0,.22), rgba(47,72,88,.08));
      border:1px solid var(--line);
    }
    .empty-state h2{
      margin:0 0 10px;
      color:var(--primary);
      font-size:30px;
      font-weight:900;
    }
    .empty-state p{
      margin:0 auto 24px;
      max-width:520px;
      color:var(--muted);
    }

    .article-footer-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:26px 48px 42px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(249,247,243,.22), rgba(249,247,243,.86));
    }
    .share-note{
      color:var(--muted);
      font-size:14px;
    }
    .share-note strong{color:var(--primary)}

    .sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .side-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(255,191,0,.45);
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:15px;
      color:var(--primary);
      font-size:18px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .side-title::after{
      content:"";
      width:42px;
      height:3px;
      border-radius:999px;
      background:var(--accent);
    }
    .toc-list{
      display:grid;
      gap:10px;
    }
    .toc-list a,
    .insight-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border-radius:16px;
      color:#40515b;
      background:rgba(47,72,88,.04);
      border:1px solid transparent;
      transition:background .22s ease, border-color .22s ease, color .22s ease, transform .22s ease;
    }
    .toc-list a:hover,
    .insight-item:hover{
      color:var(--primary);
      background:rgba(255,191,0,.13);
      border-color:rgba(255,191,0,.32);
      transform:translateX(2px);
    }
    .dot{
      width:9px;
      height:9px;
      margin-top:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(255,191,0,.13);
      flex:0 0 auto;
    }
    .insight-item span:last-child{
      font-size:14px;
      line-height:1.55;
      font-weight:650;
    }
    .metric-card{
      color:#fff;
      background:
        linear-gradient(145deg, rgba(47,72,88,.98), rgba(36,57,70,.94)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border-color:rgba(255,255,255,.12);
      overflow:hidden;
    }
    .metric-card .side-title{color:#fff}
    .metric-card p{
      margin:0;
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:18px;
    }
    .metric-box{
      padding:15px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.13);
    }
    .metric-box strong{
      display:block;
      color:var(--accent);
      font-size:24px;
      line-height:1;
    }
    .metric-box span{
      display:block;
      margin-top:8px;
      color:rgba(255,255,255,.68);
      font-size:12px;
    }
    .cta-card{
      padding:0;
      overflow:hidden;
    }
    .cta-card img{
      width:100%;
      height:150px;
      object-fit:cover;
    }
    .cta-card-body{
      padding:22px;
    }
    .cta-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
    }

    .recommend-section{
      padding:0 0 84px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:24px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-size:13px;
      font-weight:850;
      letter-spacing:.10em;
      text-transform:uppercase;
    }
    .section-kicker::before{
      content:"";
      width:22px;
      height:3px;
      border-radius:999px;
      background:var(--accent);
    }
    .section-title{
      margin:8px 0 0;
      color:var(--primary);
      font-size:clamp(27px, 3vw, 38px);
      line-height:1.22;
      letter-spacing:-.035em;
      font-weight:900;
    }
    .section-desc{
      max-width:480px;
      color:var(--muted);
      margin:0;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:22px;
    }
    .recommend-card{
      overflow:hidden;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }
    .recommend-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-xl);
      border-color:rgba(255,191,0,.48);
    }
    .recommend-card img{
      width:100%;
      height:178px;
      object-fit:cover;
    }
    .recommend-body{padding:22px}
    .badge{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      color:var(--primary);
      background:rgba(255,191,0,.18);
      border:1px solid rgba(255,191,0,.32);
      font-size:12px;
      font-weight:850;
    }
    .recommend-card h3{
      margin:14px 0 10px;
      color:var(--primary);
      font-size:20px;
      line-height:1.35;
      font-weight:900;
    }
    .recommend-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }

    .contact-band{
      padding:0 0 86px;
    }
    .contact-inner{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:minmax(0, 1.1fr) minmax(280px, .75fr);
      gap:28px;
      align-items:center;
      padding:42px;
      border-radius:32px;
      color:#fff;
      background:
        linear-gradient(135deg, rgba(47,72,88,.98), rgba(35,55,68,.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow-xl);
    }
    .contact-inner::after{
      content:"";
      position:absolute;
      right:-120px;
      top:-120px;
      width:320px;
      height:320px;
      border-radius:999px;
      background:rgba(255,191,0,.18);
      filter:blur(6px);
      pointer-events:none;
    }
    .contact-inner > *{position:relative;z-index:1}
    .contact-inner h2{
      margin:12px 0 12px;
      font-size:clamp(28px, 3vw, 42px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:900;
    }
    .contact-inner p{
      max-width:680px;
      margin:0;
      color:rgba(255,255,255,.74);
      font-size:16px;
    }
    .contact-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:12px;
    }

    .site-footer{
      color:rgba(255,255,255,.72);
      background:var(--primary);
      border-top:1px solid rgba(255,255,255,.10);
      padding:58px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr 1fr .75fr;
      gap:36px;
      align-items:start;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:19px;
      font-weight:900;
      margin-bottom:16px;
    }
    .site-footer p{
      max-width:360px;
      margin:0;
      color:rgba(255,255,255,.65);
      line-height:1.8;
    }
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a,
    .footer-links span{
      color:rgba(255,255,255,.66);
      font-size:14px;
      transition:color .22s ease, transform .22s ease;
    }
    .footer-links a:hover{
      color:var(--accent);
      transform:translateX(2px);
    }
    .qr{
      width:128px;
      height:128px;
      display:grid;
      place-items:center;
      text-align:center;
      color:var(--primary);
      background:
        linear-gradient(90deg, rgba(47,72,88,.10) 1px, transparent 1px),
        linear-gradient(0deg, rgba(47,72,88,.10) 1px, transparent 1px),
        #fff;
      background-size:14px 14px;
      border:8px solid rgba(255,255,255,.12);
      border-radius:20px;
      font-weight:900;
      line-height:1.45;
      box-shadow:0 18px 38px rgba(0,0,0,.18);
    }
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.54);
      font-size:13px;
    }

    @media (max-width:1024px){
      .site-container{width:min(100% - 32px, var(--container))}
      .desktop-nav{display:none}
      .nav-actions{display:none}
      .mobile-toggle{display:flex}
      .mobile-menu.is-open{display:block}
      .article-hero{padding:58px 0 36px}
      .article-hero-inner{
        grid-template-columns:1fr;
        gap:30px;
      }
      .hero-card{max-width:560px}
      .article-layout{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
        grid-template-columns:repeat(3, minmax(0,1fr));
      }
      .side-card{min-width:0}
      .recommend-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
      .contact-inner{grid-template-columns:1fr}
      .contact-actions{justify-content:flex-start}
    }

    @media (max-width:768px){
      .nav-shell{min-height:68px}
      .brand span:last-child{font-size:15px}
      .brand small{display:none}
      .brand-mark{width:39px;height:39px;border-radius:14px}
      .article-title{font-size:clamp(31px, 9vw, 46px)}
      .article-summary{font-size:16px}
      .breadcrumb span.current{max-width:88vw}
      .article-cover{height:230px}
      .article-body{padding:30px 24px 36px;font-size:16px}
      .article-body h2{font-size:25px}
      .article-footer-actions{
        flex-direction:column;
        align-items:flex-start;
        padding:24px;
      }
      .sidebar{grid-template-columns:1fr}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .recommend-grid{grid-template-columns:1fr}
      .contact-inner{padding:30px 24px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .copyright{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (max-width:520px){
      .site-container{width:min(100% - 24px, var(--container))}
      .article-hero{padding:42px 0 30px}
      .eyebrow{font-size:12px}
      .meta-row{gap:8px}
      .meta-pill{font-size:12px}
      .hero-card img{height:200px}
      .kpi-strip{grid-template-columns:1fr}
      .article-panel{border-radius:22px}
      .article-cover{height:190px}
      .article-body{padding:26px 18px 32px}
      .article-body table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
      }
      .empty-state{padding:42px 20px}
      .btn{width:100%}
      .article-footer-actions .btn{width:100%}
      .contact-actions{width:100%}
      .footer-logo{font-size:17px}
    }