/* roulang page: index */
:root{
      --primary:#3268a8;
      --primary-dark:#245487;
      --primary-soft:#eaf3ff;
      --primary-lighter:#f4f9ff;
      --accent:#d9a76f;
      --accent-soft:#fff4e7;
      --warm:#f6efe7;
      --bg:#f7fbff;
      --surface:#ffffff;
      --surface-2:#f2f7fc;
      --text:#172236;
      --muted:#607086;
      --light:#8a97a8;
      --border:#dce8f4;
      --border-2:#edf3f9;
      --success:#2d9a7f;
      --danger:#d55b5b;
      --shadow:0 18px 45px rgba(50,104,168,.11);
      --shadow-sm:0 10px 26px rgba(25,57,94,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --nav-h:72px;
      --transition:.24s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Heiti SC,Arial,sans-serif;
      color:var(--text);
      line-height:1.78;
      background:
        radial-gradient(circle at 12% 8%, rgba(217,167,111,.16), transparent 30%),
        radial-gradient(circle at 86% 4%, rgba(50,104,168,.14), transparent 28%),
        linear-gradient(180deg,#fbfdff 0%,var(--bg) 52%,#fff 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    input,textarea,select{width:100%;border:1px solid var(--border);background:#fff;color:var(--text)}
    input:focus,textarea:focus,select:focus,button:focus-visible,a:focus-visible{
      outline:3px solid rgba(50,104,168,.22);
      outline-offset:3px;
    }
    ::selection{background:rgba(50,104,168,.18)}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .section{padding:96px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 13px;border-radius:999px;
      background:rgba(50,104,168,.09);color:var(--primary-dark);
      font-size:13px;font-weight:700;letter-spacing:.02em;
      border:1px solid rgba(50,104,168,.12);
    }
    .eyebrow:before{
      content:"";width:8px;height:8px;border-radius:999px;
      background:linear-gradient(135deg,var(--primary),#79a9d9);
      box-shadow:0 0 0 5px rgba(50,104,168,.08);
    }
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-title{font-size:38px;line-height:1.22;letter-spacing:-.03em;margin-top:14px}
    .section-desc{max-width:640px;color:var(--muted);font-size:16px}
    .soft-bg{background:linear-gradient(180deg,rgba(234,243,255,.7),rgba(255,255,255,.9))}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:12px 22px;border-radius:999px;
      font-weight:700;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 30px rgba(50,104,168,.24)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 38px rgba(50,104,168,.29)}
    .btn-secondary{background:#fff;color:var(--primary-dark);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
    .btn-secondary:hover{background:var(--primary-soft);border-color:#bed5ee;transform:translateY(-2px)}
    .btn-text{color:var(--primary);font-weight:800;display:inline-flex;align-items:center;gap:6px}
    .btn-text:after{content:"→";transition:transform var(--transition)}
    .btn-text:hover:after{transform:translateX(4px)}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:6px 11px;font-size:12px;font-weight:700;
      background:var(--primary-soft);color:var(--primary-dark);border:1px solid rgba(50,104,168,.12)
    }
    .tag-warm{background:var(--accent-soft);color:#8b5e2c;border-color:#f2d6b6}
    .tag-gray{background:#f4f6f8;color:#657183;border-color:#e7edf3}
    .card{
      background:rgba(255,255,255,.88);
      border:1px solid var(--border-2);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfe0f0}
    .site-header{
      position:fixed;top:18px;left:0;right:0;z-index:50;
      pointer-events:none;
    }
    .nav-shell{
      height:var(--nav-h);
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:0 18px 0 22px;border-radius:999px;
      background:rgba(255,255,255,.82);border:1px solid rgba(220,232,244,.85);
      box-shadow:0 16px 45px rgba(20,56,94,.12);
      backdrop-filter:blur(18px);
      pointer-events:auto;
    }
    .brand{
      display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.02em;min-width:0;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),#83b5df);
      position:relative;box-shadow:0 10px 22px rgba(50,104,168,.22);
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;border:2px solid rgba(255,255,255,.85);border-radius:999px;
    }
    .brand-mark:before{width:18px;height:24px;left:9px;top:6px;transform:rotate(18deg)}
    .brand-mark:after{width:11px;height:11px;right:7px;bottom:7px;background:rgba(255,255,255,.22)}
    .brand span{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{
      padding:10px 15px;border-radius:999px;color:#42526a;font-weight:700;font-size:14px;
      transition:background var(--transition),color var(--transition),transform var(--transition);
    }
    .nav-links a:hover{background:var(--primary-soft);color:var(--primary-dark)}
    .nav-links a.active{background:#dfefff;color:var(--primary-dark)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-cta{min-height:42px;padding:10px 17px;font-size:14px}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:16px;background:var(--primary-soft);
      color:var(--primary-dark);align-items:center;justify-content:center;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      display:block;width:20px;height:2px;background:currentColor;border-radius:99px;position:relative;transition:var(--transition)
    }
    .menu-toggle span:before,.menu-toggle span:after{content:"";position:absolute;left:0}
    .menu-toggle span:before{top:-7px}.menu-toggle span:after{top:7px}
    .menu-toggle.open span{background:transparent}
    .menu-toggle.open span:before{top:0;transform:rotate(45deg)}
    .menu-toggle.open span:after{top:0;transform:rotate(-45deg)}
    .hero{
      position:relative;padding:154px 0 90px;overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(50,104,168,.06) 1px,transparent 1px),
        linear-gradient(180deg,rgba(50,104,168,.06) 1px,transparent 1px);
      background-size:48px 48px;mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
      pointer-events:none;
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:1fr 1.08fr;gap:54px;align-items:center}
    h1{
      font-size:52px;line-height:1.16;letter-spacing:-.045em;margin:18px 0 22px;
    }
    .hero-sub{font-size:18px;color:var(--muted);max-width:620px;line-height:1.86}
    .hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 22px}
    .trust-line{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:14px}
    .trust-line span{
      display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid var(--border-2)
    }
    .trust-line span:before{content:"✓";color:var(--success);font-weight:900}
    .dashboard{
      position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:16px;
    }
    .dash-card{
      padding:24px;border-radius:26px;background:#fff;border:1px solid var(--border-2);
      box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
    }
    .dash-card:after{
      content:"";position:absolute;width:120px;height:120px;border-radius:50%;
      right:-54px;top:-54px;background:rgba(50,104,168,.08)
    }
    .dash-large{grid-row:span 2;min-height:260px}
    .metric-num{font-family:Inter,Arial,sans-serif;font-size:44px;line-height:1;font-weight:900;color:var(--primary-dark);letter-spacing:-.04em}
    .metric-num small{font-size:17px;color:var(--muted);font-weight:800}
    .metric-label{font-weight:900;margin-top:14px}
    .metric-note{color:var(--muted);font-size:14px;margin-top:5px}
    .progress{
      height:9px;background:#edf4fb;border-radius:999px;overflow:hidden;margin-top:20px;
    }
    .progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#80b1dd)}
    .mini-list{margin-top:22px;display:grid;gap:12px}
    .mini-list li{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:14px}
    .mini-list b{color:var(--text)}
    .dash-small .metric-num{font-size:32px}
    .dash-small:nth-child(3){background:linear-gradient(135deg,#fff,var(--accent-soft))}
    .shape-panel{
      margin-top:16px;padding:18px;border-radius:24px;background:linear-gradient(135deg,#eef7ff,#fff7ed);
      border:1px solid rgba(220,232,244,.9);display:flex;align-items:center;gap:16px;
    }
    .abstract-line{
      width:84px;height:84px;border-radius:26px;background:#fff;position:relative;box-shadow:inset 0 0 0 1px var(--border-2);
      flex:0 0 auto;
    }
    .abstract-line:before{
      content:"";position:absolute;inset:15px 21px;border:3px solid rgba(50,104,168,.42);
      border-radius:50% 50% 44% 48%;transform:rotate(17deg)
    }
    .abstract-line:after{
      content:"";position:absolute;right:17px;bottom:19px;width:18px;height:18px;border-radius:50%;background:rgba(217,167,111,.38)
    }
    .metrics-mosaic{
      display:grid;grid-template-columns:1.2fr .8fr 1fr;grid-auto-rows:minmax(150px,auto);gap:18px;
    }
    .mosaic-card{padding:26px;position:relative;overflow:hidden}
    .mosaic-card.big{grid-row:span 2}
    .mosaic-card.wide{grid-column:span 2;background:linear-gradient(135deg,#fff,#f4f9ff)}
    .mosaic-icon{
      width:48px;height:48px;border-radius:16px;background:var(--primary-soft);color:var(--primary);
      display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;
    }
    .mosaic-card h3{font-size:21px;line-height:1.35;margin-bottom:8px}
    .mosaic-card p{color:var(--muted);font-size:15px}
    .mosaic-value{font-size:42px;font-weight:900;color:var(--primary-dark);line-height:1;margin-bottom:12px}
    .service-wrap{display:grid;grid-template-columns:310px 1fr;gap:24px;align-items:start}
    .service-tabs{
      padding:16px;border-radius:26px;background:#fff;border:1px solid var(--border-2);box-shadow:var(--shadow-sm);
      position:sticky;top:108px;
    }
    .service-tab{
      width:100%;display:flex;align-items:center;gap:12px;text-align:left;
      padding:15px 16px;border-radius:18px;background:transparent;color:var(--muted);
      font-weight:800;transition:background var(--transition),color var(--transition),transform var(--transition);
    }
    .service-tab:hover,.service-tab.active{background:var(--primary-soft);color:var(--primary-dark);transform:translateX(2px)}
    .service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .service-card{padding:25px}
    .service-card .mosaic-icon{margin-bottom:14px}
    .service-card h3{font-size:21px;margin-bottom:8px}
    .service-card p{color:var(--muted);font-size:15px;margin-bottom:16px}
    .service-tags{display:flex;gap:8px;flex-wrap:wrap}
    .compare{
      display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch;
    }
    .compare-panel{
      padding:30px;border-radius:30px;border:1px solid var(--border-2);box-shadow:var(--shadow-sm);
      background:#fff;
    }
    .compare-panel.after{background:linear-gradient(135deg,#fff,#eff7ff);border-color:#cfe0f0}
    .compare-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
    .compare-head h3{font-size:24px}
    .compare-list{display:grid;gap:14px}
    .compare-list li{
      list-style:none;display:flex;gap:12px;padding:13px 14px;border-radius:16px;
      background:#f8fafc;color:var(--muted);font-size:15px;
    }
    .compare-panel.after .compare-list li{background:#fff}
    .check{
      width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
      flex:0 0 auto;background:var(--primary-soft);color:var(--primary);font-weight:900;font-size:13px;
    }
    .evidence-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
    .evidence-card{padding:20px;border-radius:22px;background:#fff;border:1px solid var(--border-2);box-shadow:var(--shadow-sm)}
    .evidence-card b{display:block;font-size:24px;color:var(--primary-dark);line-height:1.2}
    .evidence-card span{color:var(--muted);font-size:14px}
    .process{
      display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
    }
    .process-card{padding:26px;position:relative}
    .step-num{
      width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;
      display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:16px;
    }
    .process-card h3{font-size:21px;margin-bottom:8px}
    .process-card p{color:var(--muted);font-size:15px}
    .faq-wrap{max-width:880px;margin:auto;display:grid;gap:14px}
    .faq-item{
      background:#fff;border:1px solid var(--border-2);border-radius:22px;box-shadow:var(--shadow-sm);overflow:hidden;
      transition:border-color var(--transition);
    }
    .faq-item.active{border-color:#bdd6ef}
    .faq-q{
      width:100%;background:transparent;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
      text-align:left;color:var(--text);font-weight:900;font-size:17px;
    }
    .faq-icon{
      width:28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
      display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:transform var(--transition)
    }
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .faq-a{display:none;padding:0 22px 22px;color:var(--muted);font-size:15px}
    .faq-item.active .faq-a{display:block}
    .contact-panel{
      display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;
      padding:34px;border-radius:34px;background:linear-gradient(135deg,#f2f8ff,#fff7ed);
      border:1px solid var(--border);box-shadow:var(--shadow);
    }
    .contact-info{padding:16px}
    .contact-info h2{font-size:34px;line-height:1.25;margin:14px 0}
    .contact-info p{color:var(--muted)}
    .flow-tips{display:grid;gap:12px;margin-top:24px}
    .flow-tips li{list-style:none;display:flex;align-items:center;gap:12px;padding:13px 14px;background:rgba(255,255,255,.72);border:1px solid var(--border-2);border-radius:18px;color:var(--muted)}
    .flow-tips b{color:var(--text)}
    .consult-form{background:#fff;border:1px solid var(--border-2);border-radius:28px;padding:26px;box-shadow:var(--shadow-sm)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:14px;font-weight:800;color:#39475d}
    .field input,.field textarea,.field select{
      min-height:52px;border-radius:16px;padding:12px 14px;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:var(--primary);box-shadow:0 0 0 4px rgba(50,104,168,.1)
    }
    .check-field{
      grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px;
      padding:12px 14px;border-radius:16px;background:#f8fbff;border:1px solid var(--border-2);
    }
    .check-field input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary)}
    .form-message{display:none;margin-top:14px;padding:12px 14px;border-radius:16px;background:#ecfaf6;color:#247a65;border:1px solid #c7eee4;font-weight:700}
    .site-footer{
      padding:56px 0 26px;background:#eef6ff;border-top:1px solid var(--border);
    }
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .9fr;gap:34px;align-items:start}
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:900;margin-bottom:14px}
    .footer-brand .brand-mark{width:36px;height:36px}
    .footer-text{color:var(--muted);max-width:460px}
    .footer-col h3{font-size:16px;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-col p{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
    .copyright{
      margin-top:34px;padding-top:20px;border-top:1px solid rgba(50,104,168,.12);
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#718196;font-size:13px;
    }
    .float-help{
      position:fixed;right:20px;bottom:20px;z-index:40;
      width:54px;height:54px;border-radius:20px;background:var(--primary);color:#fff;
      display:flex;align-items:center;justify-content:center;box-shadow:0 18px 38px rgba(50,104,168,.28);
      transition:transform var(--transition),background var(--transition)
    }
    .float-help:hover{transform:translateY(-3px);background:var(--primary-dark)}
    @media (max-width:1100px){
      .hero-grid{grid-template-columns:1fr;gap:36px}
      .dashboard{max-width:760px}
      .metrics-mosaic{grid-template-columns:1fr 1fr}
      .mosaic-card.wide{grid-column:span 1}
      .service-wrap{grid-template-columns:1fr}
      .service-tabs{position:static;display:grid;grid-template-columns:repeat(3,1fr)}
      .evidence-row{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:860px){
      .site-header{top:12px}
      .nav-shell{border-radius:28px;height:auto;min-height:66px;align-items:flex-start;flex-wrap:wrap;padding:10px 12px 10px 16px}
      .brand span{max-width:210px}
      .menu-toggle{display:flex;margin-left:auto}
      .nav-actions{display:none}
      .nav-links{
        display:none;width:100%;flex-direction:column;align-items:stretch;padding:8px 0 2px;
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:13px 14px}
      .hero{padding-top:132px}
      h1{font-size:38px}
      .section{padding:72px 0}
      .section-head{display:block}
      .section-title{font-size:30px}
      .dashboard{grid-template-columns:1fr}
      .dash-large{grid-row:auto;min-height:auto}
      .metrics-mosaic,.service-grid,.compare,.process,.contact-panel,.footer-grid{grid-template-columns:1fr}
      .service-tabs{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .contact-panel{padding:22px}
    }
    @media (max-width:560px){
      .container{width:min(calc(100% - 28px),var(--container))}
      h1{font-size:32px}
      .hero-sub{font-size:16px}
      .hero-cta .btn{width:100%}
      .dash-card,.mosaic-card,.service-card,.compare-panel,.process-card,.consult-form{padding:20px;border-radius:22px}
      .metric-num{font-size:36px}
      .section-title{font-size:28px}
      .evidence-row{grid-template-columns:1fr}
      .contact-info h2{font-size:28px}
      .copyright{display:block}
      .float-help{width:50px;height:50px;right:14px;bottom:14px}
    }

/* roulang page: category1 */
:root{
      --primary:#2f6fbd;
      --primary-strong:#245a9c;
      --primary-soft:#eaf3ff;
      --primary-softer:#f5f9ff;
      --accent:#e7b985;
      --accent-soft:#fff2df;
      --mint:#57b7a8;
      --text:#172235;
      --muted:#64748b;
      --light:#f7f9fc;
      --white:#ffffff;
      --line:#dce7f3;
      --line-soft:#edf3f9;
      --danger:#d45b5b;
      --success:#1f9c73;
      --shadow:0 18px 50px rgba(39,91,150,.12);
      --shadow-sm:0 10px 26px rgba(39,91,150,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1200px;
      --header-h:78px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Heiti SC,Arial,sans-serif;
      color:var(--text);
      line-height:1.78;
      background:
        radial-gradient(circle at 10% 2%,rgba(47,111,189,.12),transparent 34%),
        radial-gradient(circle at 84% 12%,rgba(231,185,133,.18),transparent 28%),
        linear-gradient(180deg,#fbfdff 0%,#f7f9fc 48%,#ffffff 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer;background:none}
    input,textarea,select{width:100%;border:0;outline:0}
    :focus-visible{outline:3px solid rgba(47,111,189,.32);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 13px;border-radius:var(--radius-pill);
      color:var(--primary-strong);background:rgba(234,243,255,.86);
      border:1px solid rgba(47,111,189,.12);
      font-size:13px;font-weight:700;letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";width:7px;height:7px;border-radius:50%;
      background:var(--mint);box-shadow:0 0 0 5px rgba(87,183,168,.12);
    }
    .section-head{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:34px}
    .section-title{max-width:760px}
    .section-title h2{font-size:36px;line-height:1.22;letter-spacing:-.02em;margin-top:14px}
    .section-title p{margin-top:12px;color:var(--muted);font-size:16px;max-width:720px}
    .mini-note{font-size:14px;color:var(--muted)}
    .site-header{
      position:sticky;top:14px;z-index:1000;
      padding:10px 0 0;
      pointer-events:none;
    }
    .site-header .container{pointer-events:auto}
    .nav-shell{
      min-height:66px;display:flex;align-items:center;gap:16px;
      padding:10px 14px 10px 20px;
      border:1px solid rgba(220,231,243,.78);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-sm);
    }
    .brand,.footer-brand{
      display:inline-flex;align-items:center;gap:10px;font-weight:800;
      color:var(--text);letter-spacing:-.01em;white-space:nowrap;
    }
    .brand{font-size:16px;margin-right:auto}
    .brand-mark{
      width:32px;height:32px;border-radius:12px;display:inline-block;position:relative;
      background:linear-gradient(135deg,var(--primary),#7fb1e8);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.45),0 8px 18px rgba(47,111,189,.25);
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:7px;border:2px solid rgba(255,255,255,.8);
      border-left-color:transparent;border-radius:50%;transform:rotate(-24deg);
    }
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{
      padding:9px 14px;border-radius:var(--radius-pill);
      color:#46566c;font-weight:700;font-size:14px;
    }
    .nav-links a:hover{background:var(--primary-soft);color:var(--primary-strong)}
    .nav-links a.active{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(47,111,189,.22)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:var(--radius-pill);
      font-weight:800;font-size:15px;border:1px solid transparent;
      transition:var(--ease);white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(47,111,189,.22)}
    .btn-primary:hover{background:var(--primary-strong);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,111,189,.28)}
    .btn-secondary{background:#fff;color:var(--primary-strong);border-color:var(--line);box-shadow:var(--shadow-sm)}
    .btn-secondary:hover{background:var(--primary-soft);border-color:#c9dbef;transform:translateY(-2px)}
    .btn-ghost{background:var(--primary-soft);color:var(--primary-strong);border-color:rgba(47,111,189,.12)}
    .btn-ghost:hover{background:#ddeeff}
    .btn:active{transform:translateY(0)}
    .btn[disabled],.disabled{opacity:.55;pointer-events:none}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:50%;
      background:var(--primary-soft);border:1px solid var(--line);position:relative;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";position:absolute;left:13px;right:13px;height:2px;border-radius:2px;background:var(--primary-strong);transition:var(--ease);
    }
    .menu-toggle span{top:22px}
    .menu-toggle span:before{left:0;right:0;top:-7px}
    .menu-toggle span:after{left:0;right:0;top:7px}
    .menu-toggle.open span{background:transparent}
    .menu-toggle.open span:before{top:0;transform:rotate(45deg)}
    .menu-toggle.open span:after{top:0;transform:rotate(-45deg)}
    .hero{
      position:relative;padding:72px 0 48px;overflow:hidden;
    }
    .hero:before{
      content:"";position:absolute;right:-120px;top:60px;width:380px;height:380px;
      border-radius:50%;background:rgba(231,185,133,.16);filter:blur(8px);z-index:-1;
    }
    .breadcrumb{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;
      color:var(--muted);font-size:14px;margin:34px 0 24px;
    }
    .breadcrumb a{color:var(--primary-strong);font-weight:700}
    .breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px}
    .breadcrumb span.divider{color:#aab7c8}
    .category-hero{
      display:grid;grid-template-columns:minmax(0,1.18fr) minmax(330px,.82fr);
      gap:34px;align-items:stretch;
    }
    .hero-copy{
      background:rgba(255,255,255,.76);
      border:1px solid rgba(220,231,243,.78);
      border-radius:34px;
      box-shadow:var(--shadow);
      padding:38px;
      position:relative;overflow:hidden;
    }
    .hero-copy:after{
      content:"";position:absolute;right:-80px;bottom:-110px;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle,rgba(47,111,189,.1),transparent 68%);
    }
    h1{
      font-size:48px;line-height:1.16;letter-spacing:-.035em;margin-top:16px;
      max-width:850px;
    }
    .hero-copy p.lead{
      margin-top:18px;color:var(--muted);font-size:17px;max-width:760px;
    }
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .trust-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
    .trust-pill{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;background:#fff;border:1px solid var(--line);
      border-radius:var(--radius-pill);font-size:13px;color:#53657b;font-weight:700;
    }
    .trust-pill i{width:8px;height:8px;border-radius:50%;background:var(--mint)}
    .hero-panel{
      border-radius:34px;padding:28px;background:linear-gradient(145deg,#ffffff,#f2f7fd);
      border:1px solid rgba(220,231,243,.8);box-shadow:var(--shadow);
      display:flex;flex-direction:column;gap:16px;
    }
    .panel-title{display:flex;align-items:center;justify-content:space-between;gap:14px}
    .panel-title strong{font-size:19px}
    .status-badge{
      display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--radius-pill);
      background:rgba(87,183,168,.12);color:#247b70;font-size:12px;font-weight:800;
    }
    .status-badge:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
    .metric-stack{display:grid;gap:12px}
    .metric-line{
      background:#fff;border:1px solid var(--line-soft);border-radius:20px;padding:16px;
    }
    .metric-line .top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
    .metric-line span{color:var(--muted);font-size:13px;font-weight:700}
    .metric-line b{font-size:24px;letter-spacing:-.03em;color:var(--primary-strong)}
    .bar{height:8px;background:#edf4fb;border-radius:999px;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),#79aee7)}
    .tag-cloud{display:flex;gap:8px;flex-wrap:wrap}
    .tag,.filter-tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-pill);
      padding:7px 11px;font-size:13px;font-weight:700;
      background:var(--primary-soft);color:var(--primary-strong);
      border:1px solid rgba(47,111,189,.1);
    }
    .tag.warm{background:var(--accent-soft);color:#9b6a2e;border-color:rgba(231,185,133,.25)}
    .tag.gray{background:#f2f5f8;color:#5e6d7e;border-color:#e4ebf3}
    .summary-strip{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px;
    }
    .summary-item{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;
      box-shadow:var(--shadow-sm);
    }
    .summary-item b{display:block;font-size:26px;line-height:1;color:var(--primary-strong);letter-spacing:-.03em}
    .summary-item span{display:block;margin-top:8px;color:var(--muted);font-size:13px;font-weight:700}
    .layout-grid{
      display:grid;grid-template-columns:280px minmax(0,1fr);gap:26px;align-items:start;
    }
    .sidebar{position:sticky;top:104px;display:grid;gap:16px}
    .side-card,.content-card,.empty-state,.loading-state{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }
    .side-card{padding:22px}
    .side-card h3{font-size:18px;line-height:1.35;margin-bottom:12px}
    .side-card p{font-size:14px;color:var(--muted)}
    .filter-list{display:grid;gap:9px;margin-top:14px}
    .filter-tag{
      justify-content:space-between;cursor:pointer;background:#fff;color:#405269;
      border-color:var(--line);width:100%;
    }
    .filter-tag:hover,.filter-tag.active{background:var(--primary-soft);color:var(--primary-strong);border-color:#c9dcf2}
    .filter-tag.active{box-shadow:inset 0 0 0 1px rgba(47,111,189,.1)}
    .hot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .tip-list{display:grid;gap:10px;margin-top:14px}
    .tip-list li{
      list-style:none;display:flex;gap:9px;color:#53657b;font-size:14px;
    }
    .tip-list li:before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:9px;flex:0 0 auto;
    }
    .search-card{
      padding:18px;background:linear-gradient(135deg,#ffffff,#f3f8ff);
      border:1px solid var(--line);border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);margin-bottom:18px;
    }
    .search-row{display:flex;gap:10px}
    .search-row input{
      height:48px;border:1px solid var(--line);border-radius:16px;
      padding:0 15px;background:#fff;color:var(--text);transition:var(--ease);
    }
    .search-row input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,111,189,.1)}
    .list-tools{
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px;
    }
    .list-tools p{color:var(--muted);font-size:14px}
    .view-switch{display:flex;gap:8px}
    .chip{
      padding:8px 12px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);
      font-size:13px;font-weight:800;color:#53657b;
    }
    .chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
    .content-list{display:grid;gap:14px}
    .content-card{
      display:grid;grid-template-columns:minmax(0,1fr) auto;
      gap:20px;align-items:center;padding:22px;
      transition:var(--ease);position:relative;overflow:hidden;
    }
    .content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c8dbf1}
    .content-card:before{
      content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 999px 999px 0;
      background:var(--primary);opacity:.78;
    }
    .card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
    .content-card h3{font-size:21px;line-height:1.36;margin-bottom:8px}
    .content-card p{color:var(--muted);font-size:15px;max-width:720px}
    .card-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;color:#78879a;font-size:13px}
    .read-btn{
      min-width:118px;height:42px;border-radius:var(--radius-pill);
      display:inline-flex;align-items:center;justify-content:center;
      color:var(--primary-strong);font-weight:800;background:var(--primary-soft);
      border:1px solid rgba(47,111,189,.12);
    }
    .content-card:hover .read-btn{background:var(--primary);color:#fff}
    .empty-state,.loading-state{
      padding:26px;text-align:center;margin-top:14px;background:linear-gradient(135deg,#fff,#f7fbff);
    }
    .empty-icon,.loading-icon{
      width:48px;height:48px;margin:0 auto 12px;border-radius:18px;
      background:var(--primary-soft);position:relative;
    }
    .empty-icon:after{
      content:"";position:absolute;inset:14px;border:2px solid var(--primary);border-radius:50%;
    }
    .loading-icon:after{
      content:"";position:absolute;inset:12px;border:3px solid #cfe0f2;border-top-color:var(--primary);
      border-radius:50%;animation:spin 1s linear infinite;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .empty-state h3,.loading-state h3{font-size:18px;margin-bottom:6px}
    .empty-state p,.loading-state p{color:var(--muted);font-size:14px}
    .pagination{
      display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;margin-top:26px;
    }
    .page-btn{
      min-width:40px;height:40px;padding:0 13px;border-radius:var(--radius-pill);
      display:inline-flex;align-items:center;justify-content:center;
      background:#fff;border:1px solid var(--line);color:#53657b;font-weight:800;font-size:14px;
    }
    .page-btn:hover{background:var(--primary-soft);color:var(--primary-strong)}
    .page-btn.current{background:var(--primary);color:#fff;border-color:var(--primary)}
    .process-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
    }
    .process-card{
      position:relative;padding:24px;background:#fff;border:1px solid var(--line);
      border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--ease);
    }
    .process-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .step-no{
      width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;
      display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:18px;
    }
    .process-card h3{font-size:19px;margin-bottom:8px}
    .process-card p{font-size:14px;color:var(--muted)}
    .compare-wrap{
      display:grid;grid-template-columns:1fr 1fr;gap:18px;
    }
    .compare-panel{
      padding:28px;border-radius:var(--radius-xl);border:1px solid var(--line);
      background:#fff;box-shadow:var(--shadow-sm);
    }
    .compare-panel.after{
      background:linear-gradient(145deg,#f7fbff,#ffffff);
      border-color:#c9dcf2;
    }
    .compare-panel h3{font-size:22px;margin-bottom:16px}
    .compare-list{display:grid;gap:12px}
    .compare-list li{
      list-style:none;display:flex;gap:10px;align-items:flex-start;
      padding:12px;border-radius:16px;background:#f8fafc;color:#53657b;
    }
    .compare-panel.after .compare-list li{background:#eef6ff;color:#375b80}
    .compare-list li:before{
      content:"";width:20px;height:20px;border-radius:50%;margin-top:3px;flex:0 0 auto;
      background:#d8e2ec;
    }
    .compare-panel.after .compare-list li:before{
      background:var(--primary);
      box-shadow:inset 0 0 0 6px rgba(255,255,255,.45);
    }
    .faq-section{background:linear-gradient(180deg,#f5f9ff,#ffffff)}
    .faq-wrap{max-width:920px;margin:0 auto;display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);
      overflow:hidden;transition:var(--ease);
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;text-align:left;color:var(--text);font-weight:900;font-size:17px;
    }
    .faq-question:hover{background:var(--primary-softer)}
    .faq-question .icon{
      width:28px;height:28px;border-radius:50%;background:var(--primary-soft);position:relative;flex:0 0 auto;
    }
    .faq-question .icon:before,.faq-question .icon:after{
      content:"";position:absolute;background:var(--primary);border-radius:2px;
    }
    .faq-question .icon:before{width:12px;height:2px;left:8px;top:13px}
    .faq-question .icon:after{width:2px;height:12px;left:13px;top:8px;transition:var(--ease)}
    .faq-answer{display:none;padding:0 22px 22px;color:var(--muted);font-size:15px}
    .faq-item.open{border-color:#c7dbf1}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question .icon:after{transform:rotate(90deg);opacity:0}
    .cta-panel{
      display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
      padding:34px;border-radius:32px;
      background:
        radial-gradient(circle at 90% 20%,rgba(231,185,133,.22),transparent 28%),
        linear-gradient(135deg,var(--primary),#78aee8);
      color:#fff;box-shadow:0 22px 52px rgba(47,111,189,.25);
      overflow:hidden;position:relative;
    }
    .cta-panel:before{
      content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.24);
      border-radius:50%;right:90px;bottom:-120px;
    }
    .cta-panel h2{font-size:32px;line-height:1.25;position:relative}
    .cta-panel p{margin-top:10px;color:rgba(255,255,255,.84);max-width:690px;position:relative}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
    .cta-panel .btn-secondary{background:#fff;color:var(--primary-strong)}
    .cta-panel .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28)}
    .site-footer{
      margin-top:40px;padding:56px 0 28px;background:#f3f7fb;border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;grid-template-columns:1.4fr .7fr .9fr;gap:36px;align-items:start;
    }
    .footer-brand{font-size:17px;margin-bottom:14px}
    .footer-text,.footer-col p{color:var(--muted);font-size:14px;max-width:520px}
    .footer-col h3{font-size:16px;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#53657b;font-weight:700;font-size:14px}
    .footer-links a:hover{color:var(--primary);transform:translateX(3px)}
    .copyright{
      margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:#738299;font-size:13px;
    }
    @media (max-width:1100px){
      .category-hero{grid-template-columns:1fr}
      .summary-strip{grid-template-columns:repeat(2,1fr)}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .layout-grid{grid-template-columns:250px minmax(0,1fr)}
      h1{font-size:42px}
    }
    @media (max-width:900px){
      .site-header{top:8px}
      .nav-shell{border-radius:28px;align-items:center;position:relative;flex-wrap:wrap}
      .menu-toggle{display:block;order:2}
      .brand{margin-right:auto;max-width:calc(100% - 70px);white-space:normal;line-height:1.28}
      .nav-links{
        display:none;order:4;width:100%;padding:8px 0 4px;flex-direction:column;align-items:stretch;
      }
      .nav-links.show{display:flex}
      .nav-links a{width:100%;padding:12px 14px}
      .nav-actions{display:none}
      .layout-grid{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,1fr)}
      .section-head{display:block}
      .compare-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-panel{grid-template-columns:1fr}
    }
    @media (max-width:720px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .hero{padding:48px 0 32px}
      .hero-copy,.hero-panel{border-radius:26px;padding:24px}
      h1{font-size:33px}
      .section-title h2{font-size:28px}
      .summary-strip,.process-grid,.sidebar,.footer-grid{grid-template-columns:1fr}
      .content-card{grid-template-columns:1fr;padding:20px}
      .read-btn{width:100%}
      .search-row{flex-direction:column}
      .search-row .btn{width:100%}
      .cta-panel{padding:26px;border-radius:26px}
      .cta-panel h2{font-size:26px}
      .cta-actions .btn,.hero-actions .btn{width:100%}
      .copyright{display:grid}
    }
    @media (max-width:480px){
      .nav-shell{padding:9px 10px 9px 14px}
      .brand{font-size:14px}
      .brand-mark{width:30px;height:30px}
      h1{font-size:30px}
      .hero-copy p.lead{font-size:15px}
      .summary-item b{font-size:24px}
      .panel-title{align-items:flex-start;flex-direction:column}
      .card-meta,.tag-cloud,.hot-tags{gap:6px}
      .tag,.filter-tag{font-size:12px}
      .page-btn{min-width:38px;height:38px}
    }