/* roulang page: index */
:root{
      --ink:#1F2423;
      --ink-2:#252B29;
      --text:#3D4642;
      --muted:#738079;
      --mint:#4EC7A2;
      --mint-2:#7EDDBB;
      --mint-soft:#E3F6EE;
      --orange:#F2A65A;
      --cream:#F7F4EC;
      --cream-2:#FAFAF6;
      --green-bg:#EEF4EF;
      --border:#DDE6DF;
      --border-soft:rgba(31,36,35,.08);
      --shadow:0 18px 50px rgba(31,36,35,.08);
      --shadow-hover:0 24px 70px rgba(31,36,35,.13);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1180px;
      --fast:.22s ease;
      --slow:.36s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(78,199,162,.18), transparent 26%),
        radial-gradient(circle at 90% 12%, rgba(242,166,90,.12), transparent 28%),
        linear-gradient(180deg,var(--cream),var(--green-bg) 48%,var(--cream-2));
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.38;
      background-image:
        linear-gradient(rgba(31,36,35,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31,36,35,.035) 1px, transparent 1px);
      background-size:36px 36px;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
    }
    button{cursor:pointer;border:0}
    ::selection{background:rgba(78,199,162,.35);color:var(--ink)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:40;
      padding:18px 0 10px;
      backdrop-filter:blur(18px);
    }
    .nav-panel{
      display:flex;
      align-items:center;
      gap:14px;
      padding:12px;
      border:1px solid rgba(31,36,35,.09);
      border-radius:24px;
      background:rgba(250,250,246,.84);
      box-shadow:0 12px 38px rgba(31,36,35,.07);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:50px;
      padding:8px 16px 8px 10px;
      border-radius:999px;
      background:var(--ink);
      color:var(--cream-2);
      font-weight:800;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .brand-mark{
      width:36px;
      height:36px;
      border-radius:13px;
      display:grid;
      place-items:center;
      color:var(--ink);
      font-weight:900;
      background:
        linear-gradient(135deg,var(--mint),var(--mint-2));
      box-shadow:inset 0 -8px 18px rgba(31,36,35,.16);
    }
    .nav-links{
      flex:1;
      display:flex;
      justify-content:center;
      gap:8px;
      align-items:center;
    }
    .nav-link{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:0 15px;
      border:1px solid var(--border-soft);
      border-radius:16px;
      background:rgba(255,255,255,.56);
      color:var(--text);
      font-size:14px;
      font-weight:700;
      transition:transform var(--fast), background var(--fast), border-color var(--fast), box-shadow var(--fast);
    }
    .nav-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--border);
      transition:background var(--fast), transform var(--fast);
    }
    .nav-link:hover{
      transform:translateY(-2px);
      border-color:rgba(78,199,162,.45);
      box-shadow:0 12px 24px rgba(31,36,35,.08);
      background:#fff;
    }
    .nav-link:hover .nav-dot,
    .nav-link.active .nav-dot{
      background:var(--mint);
      transform:scale(1.25);
    }
    .nav-link.active{
      background:var(--mint-soft);
      border-color:rgba(78,199,162,.45);
      color:var(--ink);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.72);
    }
    .nav-cta,.btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:0 20px;
      font-weight:800;
      transition:transform var(--fast), background var(--fast), box-shadow var(--fast), border-color var(--fast);
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:var(--ink);
      background:var(--mint);
      box-shadow:0 14px 28px rgba(78,199,162,.28);
    }
    .nav-cta:hover,.btn-primary:hover{
      transform:translateY(-2px);
      background:#3bb991;
      box-shadow:0 18px 34px rgba(78,199,162,.34);
    }
    .btn-secondary{
      background:rgba(255,255,255,.64);
      color:var(--ink);
      border:1px solid var(--border);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(78,199,162,.55);
      background:#fff;
      box-shadow:0 14px 28px rgba(31,36,35,.08);
    }
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(78,199,162,.52);
      outline-offset:3px;
    }
    .mobile-toggle{display:none}
    main{padding-bottom:86px}
    .section{
      padding:72px 0;
    }
    .hero{
      padding:54px 0 28px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:34px;
      align-items:center;
    }
    .eyebrow,.badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:32px;
      padding:6px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:var(--ink);
      background:rgba(78,199,162,.16);
      border:1px solid rgba(78,199,162,.28);
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 0 5px rgba(242,166,90,.16);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:18px 0 18px;
      font-size:clamp(34px,5vw,56px);
      line-height:1.12;
      color:var(--ink);
      letter-spacing:-1.5px;
    }
    h2{
      margin:0 0 14px;
      font-size:clamp(28px,3vw,38px);
      line-height:1.2;
      color:var(--ink);
      letter-spacing:-.8px;
    }
    h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.35;
      color:var(--ink);
    }
    .lead{
      font-size:17px;
      color:var(--text);
      max-width:650px;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:26px 0 20px;
    }
    .trust-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .trust-tag{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.62);
      border:1px solid var(--border-soft);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .dashboard-wrap{
      position:relative;
      min-height:510px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(31,36,35,.1);
      box-shadow:var(--shadow);
      background:var(--ink);
    }
    .dashboard-bg{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.42;
      filter:saturate(.9) contrast(1.05);
    }
    .dashboard-wrap:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(31,36,35,.92),rgba(31,36,35,.54) 54%,rgba(78,199,162,.18)),
        radial-gradient(circle at 78% 18%,rgba(126,221,187,.26),transparent 28%);
    }
    .dashboard{
      position:relative;
      z-index:1;
      padding:24px;
      min-height:510px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      color:var(--cream-2);
    }
    .dash-top{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:flex-start;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(250,250,246,.12);
      border:1px solid rgba(250,250,246,.18);
      color:#E8FFF7;
      font-size:13px;
      font-weight:800;
    }
    .status i{
      width:8px;height:8px;border-radius:50%;background:var(--mint);
      box-shadow:0 0 0 6px rgba(78,199,162,.16);
    }
    .dash-number{
      margin:28px 0 6px;
      font-size:76px;
      line-height:1;
      font-weight:900;
      letter-spacing:-3px;
      color:var(--mint-2);
    }
    .dash-caption{
      color:rgba(250,250,246,.78);
      max-width:360px;
      margin-bottom:0;
    }
    .mini-chart{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:6px;
      align-items:end;
      height:96px;
      margin:28px 0;
      padding:14px;
      border-radius:20px;
      background:rgba(250,250,246,.1);
      border:1px solid rgba(250,250,246,.14);
    }
    .mini-chart span{
      display:block;
      border-radius:999px 999px 4px 4px;
      background:linear-gradient(180deg,var(--mint-2),rgba(78,199,162,.38));
      min-height:18px;
    }
    .dash-cards{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .dash-card{
      padding:14px;
      border-radius:18px;
      background:rgba(250,250,246,.12);
      border:1px solid rgba(250,250,246,.16);
    }
    .dash-card strong{display:block;color:#fff;font-size:20px}
    .dash-card span{font-size:12px;color:rgba(250,250,246,.68)}
    .hero-stats{
      margin-top:34px;
      display:grid;
      grid-template-columns:1.15fr .85fr .95fr 1.05fr;
      gap:14px;
    }
    .stat-card,.metric-card,.matrix-card,.compare-card,.faq-item,.category-card{
      border:1px solid var(--border-soft);
      background:rgba(250,250,246,.72);
      border-radius:var(--radius-md);
      box-shadow:0 12px 35px rgba(31,36,35,.055);
      transition:transform var(--fast), box-shadow var(--fast), border-color var(--fast);
    }
    .stat-card:hover,.metric-card:hover,.matrix-card:hover,.faq-item:hover,.category-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(78,199,162,.36);
    }
    .stat-card{
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .stat-card:before{
      content:"";
      position:absolute;
      left:0;top:18px;bottom:18px;
      width:4px;
      border-radius:999px;
      background:var(--mint);
    }
    .stat-label{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .stat-value{
      display:block;
      margin:8px 0 4px;
      color:var(--ink);
      font-size:30px;
      line-height:1;
      font-weight:900;
      letter-spacing:-1px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:26px;
      margin-bottom:28px;
    }
    .section-head p{
      margin:0;
      max-width:560px;
      color:var(--muted);
    }
    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:16px;
    }
    .metric-card{
      padding:24px;
      min-height:220px;
      overflow:hidden;
      position:relative;
    }
    .metric-card.large{grid-column:span 5}
    .metric-card.wide{grid-column:span 7}
    .metric-card.small{grid-column:span 4}
    .metric-card:after{
      content:"";
      position:absolute;
      right:-42px;
      bottom:-42px;
      width:130px;
      height:130px;
      border-radius:50%;
      background:rgba(78,199,162,.12);
    }
    .metric-num{
      display:block;
      margin:18px 0 10px;
      color:var(--ink);
      font-size:42px;
      line-height:1;
      font-weight:900;
      letter-spacing:-1.5px;
    }
    .progress{
      height:8px;
      border-radius:999px;
      background:rgba(31,36,35,.08);
      overflow:hidden;
      margin-top:18px;
    }
    .progress i{
      display:block;height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--mint),var(--orange));
    }
    .matrix{
      background:rgba(238,244,239,.66);
      border-radius:34px;
      padding:34px;
      border:1px solid var(--border-soft);
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:16px;
    }
    .matrix-card{
      padding:24px;
      background:rgba(255,255,255,.62);
      min-height:230px;
      position:relative;
      overflow:hidden;
    }
    .matrix-card.feature{
      grid-column:span 3;
      min-height:330px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:var(--ink);
      color:var(--cream-2);
    }
    .matrix-card.feature h3{color:#fff}
    .matrix-card.feature p{color:rgba(250,250,246,.76)}
    .matrix-card.normal{grid-column:span 3}
    .matrix-card.third{grid-column:span 2}
    .matrix-image{
      height:150px;
      border-radius:20px;
      overflow:hidden;
      margin-top:18px;
      border:1px solid rgba(250,250,246,.16);
    }
    .matrix-image img{
      width:100%;height:100%;object-fit:cover;
    }
    .card-no{
      position:absolute;
      right:20px;
      top:18px;
      color:rgba(31,36,35,.16);
      font-size:34px;
      font-weight:900;
      letter-spacing:-2px;
    }
    .matrix-card.feature .card-no{color:rgba(126,221,187,.28)}
    .compare-wrap{
      padding:32px;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(238,244,239,.95),rgba(250,250,246,.76)),
        radial-gradient(circle at 50% 50%,rgba(78,199,162,.18),transparent 32%);
      border:1px solid var(--border-soft);
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 80px 1fr;
      gap:18px;
      align-items:stretch;
    }
    .compare-card{
      padding:26px;
      box-shadow:none;
    }
    .compare-card.dim{
      background:rgba(255,255,255,.54);
      color:var(--muted);
    }
    .compare-card.strong{
      background:linear-gradient(135deg,rgba(78,199,162,.26),rgba(250,250,246,.72));
      border-color:rgba(78,199,162,.35);
    }
    .compare-arrow{
      display:grid;
      place-items:center;
      color:var(--ink);
      font-size:28px;
      font-weight:900;
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .check-list li:before{
      content:"";
      flex:0 0 10px;
      width:10px;height:10px;border-radius:50%;
      margin-top:10px;
      background:var(--mint);
    }
    .category-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      padding:18px;
      overflow:hidden;
      background:rgba(250,250,246,.76);
    }
    .category-media{
      min-height:310px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid var(--border-soft);
      position:relative;
    }
    .category-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .category-media:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(31,36,35,.34));
    }
    .category-content{
      padding:22px 16px 22px 0;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .pill-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin:18px 0 22px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      background:rgba(31,36,35,.05);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      border:1px solid var(--border-soft);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .faq-item{
      padding:22px;
      background:rgba(255,255,255,.56);
    }
    .faq-q{
      display:flex;
      align-items:flex-start;
      gap:12px;
      font-size:18px;
      color:var(--ink);
      font-weight:900;
      margin-bottom:8px;
    }
    .faq-q span{
      flex:0 0 28px;
      width:28px;height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:var(--mint-soft);
      color:var(--ink);
      font-size:14px;
    }
    .faq-item p{margin:0;color:var(--muted);font-size:15.5px}
    .contact-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      padding:34px;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(31,36,35,.97),rgba(37,43,41,.92)),
        radial-gradient(circle at 20% 10%,rgba(78,199,162,.22),transparent 28%);
      color:var(--cream-2);
      box-shadow:0 22px 70px rgba(31,36,35,.18);
      overflow:hidden;
      position:relative;
    }
    .contact-card:before{
      content:"";
      position:absolute;
      right:-80px;top:-80px;
      width:220px;height:220px;border-radius:50%;
      background:rgba(78,199,162,.16);
    }
    .contact-copy,.contact-form{position:relative;z-index:1}
    .contact-copy h2{color:#fff}
    .contact-copy p{color:rgba(250,250,246,.72)}
    .contact-points{
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .contact-point{
      display:flex;
      gap:12px;
      align-items:center;
      padding:12px;
      border-radius:16px;
      background:rgba(250,250,246,.08);
      border:1px solid rgba(250,250,246,.12);
    }
    .contact-form{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      padding:18px;
      border-radius:24px;
      background:rgba(250,250,246,.1);
      border:1px solid rgba(250,250,246,.14);
    }
    .field.full{grid-column:1/-1}
    label{
      display:block;
      margin-bottom:7px;
      color:rgba(250,250,246,.82);
      font-size:13px;
      font-weight:800;
    }
    input,select,textarea{
      width:100%;
      border:1px solid rgba(250,250,246,.2);
      border-radius:15px;
      background:rgba(250,250,246,.94);
      color:var(--ink);
      padding:13px 14px;
      min-height:48px;
      transition:border-color var(--fast), box-shadow var(--fast), background var(--fast);
    }
    textarea{min-height:116px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      border-color:var(--mint);
      box-shadow:0 0 0 4px rgba(78,199,162,.18);
      background:#fff;
      outline:none;
    }
    .form-note{
      grid-column:1/-1;
      color:rgba(250,250,246,.62);
      font-size:13px;
      margin:0;
    }
    .contact-form .btn{width:100%;border:0}
    .site-footer{
      background:var(--ink);
      color:var(--cream-2);
      padding:56px 0 28px;
      border-top:1px solid rgba(250,250,246,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .9fr;
      gap:34px;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-logo .brand-mark{width:34px;height:34px}
    .footer-text{color:rgba(250,250,246,.68);max-width:420px;margin:0}
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a,.footer-links span{
      color:rgba(250,250,246,.66);
      transition:color var(--fast), transform var(--fast);
    }
    .footer-links a:hover{
      color:var(--mint-2);
      transform:translateX(3px);
    }
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(250,250,246,.1);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(250,250,246,.52);
      font-size:13px;
    }
    @media (max-width:1024px){
      .hero-grid,.contact-card{grid-template-columns:1fr}
      .dashboard-wrap,.dashboard{min-height:460px}
      .hero-stats{grid-template-columns:1fr 1fr}
      .metric-card.large,.metric-card.wide{grid-column:span 6}
      .metric-card.small{grid-column:span 6}
      .matrix-card.feature,.matrix-card.normal,.matrix-card.third{grid-column:span 3}
      .compare-grid{grid-template-columns:1fr}
      .compare-arrow{transform:rotate(90deg);min-height:40px}
      .category-card{grid-template-columns:1fr}
      .category-content{padding:4px 8px 16px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header{padding-top:12px}
      .nav-panel{
        display:grid;
        grid-template-columns:1fr auto;
        align-items:center;
      }
      .mobile-toggle{
        min-width:46px;
        min-height:46px;
        display:grid;
        place-items:center;
        border-radius:15px;
        background:var(--mint-soft);
        color:var(--ink);
        font-weight:900;
      }
      .nav-links{
        grid-column:1/-1;
        display:grid;
        grid-template-columns:1fr;
        width:100%;
        gap:8px;
      }
      .nav-link{
        justify-content:flex-start;
        width:100%;
      }
      .nav-cta{
        grid-column:1/-1;
        width:100%;
      }
      .hero{padding-top:34px}
      .section{padding:52px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .dash-cards{grid-template-columns:1fr}
      .dashboard{padding:20px}
      .dash-number{font-size:58px}
      .metrics-grid,.matrix-grid{grid-template-columns:1fr}
      .metric-card.large,.metric-card.wide,.metric-card.small,
      .matrix-card.feature,.matrix-card.normal,.matrix-card.third{
        grid-column:1/-1;
      }
      .matrix{padding:22px}
      .faq-grid,.footer-grid,.contact-form{grid-template-columns:1fr}
      .field.full{grid-column:1}
      .category-media{min-height:240px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      .brand{font-size:14px;padding-right:12px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .hero-stats{grid-template-columns:1fr}
      h1{letter-spacing:-.8px}
      .contact-card,.compare-wrap{padding:22px}
      .dashboard-wrap,.dashboard{min-height:auto}
      .dash-top{display:grid}
      .mini-chart{height:82px}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root{
      --ink:#1F2423;
      --ink-2:#252B29;
      --text:#3D4642;
      --muted:#738079;
      --mint:#4EC7A2;
      --mint-2:#7EDDBB;
      --mint-soft:#E3F6EF;
      --orange:#F2A65A;
      --paper:#F7F4EC;
      --paper-2:#FAFAF6;
      --green-bg:#EEF4EF;
      --border:#DDE6DF;
      --border-dark:rgba(31,36,35,.12);
      --white:#ffffff;
      --shadow:0 18px 50px rgba(31,36,35,.08);
      --shadow-hover:0 24px 70px rgba(31,36,35,.13);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1180px;
      --speed:.24s;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 9% 8%, rgba(78,199,162,.16), transparent 29%),
        radial-gradient(circle at 88% 18%, rgba(242,166,90,.13), transparent 27%),
        linear-gradient(135deg, rgba(31,36,35,.035) 1px, transparent 1px),
        var(--paper);
      background-size:auto, auto, 28px 28px, auto;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
    }
    button{cursor:pointer}
    ::selection{background:var(--mint);color:var(--ink)}
    :focus-visible{
      outline:3px solid rgba(78,199,162,.46);
      outline-offset:4px;
      border-radius:12px;
    }

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

    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      padding:18px 0 10px;
      backdrop-filter:blur(14px);
    }
    .nav-panel{
      min-height:74px;
      display:flex;
      align-items:center;
      gap:14px;
      padding:12px;
      border:1px solid rgba(31,36,35,.09);
      border-radius:999px;
      background:rgba(250,250,246,.88);
      box-shadow:0 14px 45px rgba(31,36,35,.08);
    }
    .brand,.footer-logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:.01em;
      color:var(--ink);
    }
    .brand{
      min-height:50px;
      padding:8px 16px 8px 10px;
      border-radius:999px;
      background:var(--ink);
      color:var(--paper-2);
      white-space:nowrap;
      transition:transform var(--speed), box-shadow var(--speed);
    }
    .brand:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,36,35,.18)}
    .brand-mark{
      width:36px;
      height:36px;
      border-radius:13px;
      display:inline-grid;
      place-items:center;
      color:var(--ink);
      background:linear-gradient(135deg,var(--mint-2),var(--orange));
      font-size:15px;
      font-weight:900;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.38);
    }
    .nav-links{
      flex:1;
      display:flex;
      justify-content:center;
      gap:8px;
    }
    .nav-link{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:10px 16px;
      border-radius:999px;
      color:var(--text);
      font-size:14px;
      font-weight:700;
      border:1px solid transparent;
      background:rgba(255,255,255,.48);
      transition:background var(--speed), border-color var(--speed), transform var(--speed), color var(--speed);
    }
    .nav-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--border);
      transition:background var(--speed), transform var(--speed);
    }
    .nav-link:hover{
      transform:translateY(-2px);
      background:rgba(227,246,239,.88);
      border-color:rgba(78,199,162,.24);
    }
    .nav-link:hover .nav-dot{background:var(--mint);transform:scale(1.25)}
    .nav-link.active{
      background:var(--mint-soft);
      color:var(--ink);
      border-color:rgba(78,199,162,.34);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.52);
    }
    .nav-link.active .nav-dot{background:var(--mint)}
    .nav-cta,.btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:11px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:transform var(--speed), background var(--speed), border-color var(--speed), box-shadow var(--speed);
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:var(--ink);
      background:var(--mint);
      box-shadow:0 12px 28px rgba(78,199,162,.24);
    }
    .nav-cta:hover,.btn-primary:hover{
      transform:translateY(-2px);
      background:var(--mint-2);
      box-shadow:0 18px 42px rgba(78,199,162,.31);
    }
    .btn-secondary{
      color:var(--ink);
      background:rgba(255,255,255,.72);
      border-color:var(--border);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(78,199,162,.45);
      background:var(--paper-2);
    }
    .mobile-toggle{
      display:none;
      width:46px;
      height:46px;
      border:1px solid var(--border);
      border-radius:16px;
      background:var(--paper-2);
      color:var(--ink);
      font-weight:900;
    }

    main{padding:34px 0 0}
    section{padding:54px 0}
    .section-head{
      max-width:760px;
      margin-bottom:24px;
    }
    .eyebrow,.badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:32px;
      padding:6px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:var(--ink);
      background:rgba(227,246,239,.78);
      border:1px solid rgba(78,199,162,.25);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--mint);
      box-shadow:0 0 0 5px rgba(78,199,162,.14);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:18px 0 18px;
      max-width:780px;
      color:var(--ink);
      font-size:clamp(32px,5vw,52px);
      line-height:1.14;
      letter-spacing:-.04em;
    }
    h2{
      margin:0 0 12px;
      color:var(--ink);
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.22;
      letter-spacing:-.03em;
    }
    h3{
      margin:0 0 10px;
      color:var(--ink);
      font-size:21px;
      line-height:1.34;
    }
    .lead{
      max-width:710px;
      color:var(--text);
      font-size:17px;
      line-height:1.85;
    }
    .muted{color:var(--muted)}
    .hero{
      padding-top:30px;
    }
    .category-hero{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(31,36,35,.09);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(90deg, rgba(247,244,236,.95) 0%, rgba(247,244,236,.86) 55%, rgba(238,244,239,.78) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover;
      box-shadow:var(--shadow);
    }
    .category-hero:after{
      content:"";
      position:absolute;
      inset:auto -80px -140px auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:rgba(78,199,162,.18);
      filter:blur(4px);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:stretch;
      padding:42px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .hero-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .mini-note{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.58);
      border:1px solid rgba(31,36,35,.08);
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .index-card{
      position:relative;
      padding:22px;
      border-radius:24px;
      background:rgba(31,36,35,.94);
      color:var(--paper-2);
      overflow:hidden;
      min-height:100%;
    }
    .index-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 78% 16%, rgba(126,221,187,.28), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size:auto, 22px 22px;
      pointer-events:none;
    }
    .index-card > *{position:relative;z-index:1}
    .index-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--mint-2);
      font-size:13px;
      font-weight:800;
    }
    .status:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--mint);
    }
    .panel-options{
      display:grid;
      gap:10px;
    }
    .panel-option{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.11);
      color:rgba(250,250,246,.88);
      transition:background var(--speed), transform var(--speed), border-color var(--speed);
    }
    .panel-option:hover{
      transform:translateX(3px);
      background:rgba(255,255,255,.12);
      border-color:rgba(126,221,187,.32);
    }
    .panel-option strong{color:var(--paper-2)}
    .panel-option span:last-child{
      color:var(--orange);
      font-weight:900;
      font-size:13px;
    }

    .filter-wrap{
      margin-top:-24px;
      position:relative;
      z-index:5;
    }
    .filter-panel{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      padding:16px;
      border-radius:24px;
      border:1px solid rgba(31,36,35,.08);
      background:rgba(250,250,246,.9);
      box-shadow:0 16px 42px rgba(31,36,35,.07);
    }
    .filter-title{
      color:var(--ink);
      font-weight:900;
      margin-right:4px;
    }
    .tag{
      background:rgba(255,255,255,.72);
      color:var(--text);
      border-color:var(--border);
      transition:transform var(--speed), background var(--speed), border-color var(--speed);
    }
    .tag:hover{
      transform:translateY(-2px);
      border-color:rgba(78,199,162,.45);
      background:var(--mint-soft);
    }
    .tag.active{
      background:var(--mint);
      color:var(--ink);
      border-color:transparent;
      box-shadow:0 10px 24px rgba(78,199,162,.22);
    }

    .content-layout{
      display:grid;
      grid-template-columns:280px 1fr;
      gap:28px;
      align-items:start;
    }
    .side-index{
      position:sticky;
      top:112px;
      padding:18px;
      border-radius:24px;
      background:rgba(250,250,246,.72);
      border:1px solid rgba(31,36,35,.08);
      box-shadow:var(--shadow);
    }
    .side-index-title{
      margin-bottom:14px;
      color:var(--ink);
      font-weight:900;
    }
    .index-list{
      display:grid;
      gap:9px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .index-list a{
      display:flex;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:15px;
      color:var(--text);
      font-weight:750;
      border:1px solid transparent;
      transition:background var(--speed), border-color var(--speed), transform var(--speed);
    }
    .index-list a:hover{
      transform:translateX(3px);
      background:var(--mint-soft);
      border-color:rgba(78,199,162,.26);
    }
    .index-num{
      width:30px;
      height:30px;
      display:inline-grid;
      place-items:center;
      border-radius:11px;
      color:var(--ink);
      background:rgba(78,199,162,.22);
      font-size:12px;
      font-weight:900;
    }
    .content-stack{
      display:grid;
      gap:18px;
    }
    .info-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      padding:24px;
      border-radius:24px;
      background:rgba(250,250,246,.76);
      border:1px solid rgba(31,36,35,.08);
      box-shadow:0 12px 36px rgba(31,36,35,.06);
      transition:transform var(--speed), box-shadow var(--speed), border-color var(--speed), background var(--speed);
    }
    .info-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(78,199,162,.32);
      background:rgba(255,255,255,.8);
    }
    .card-top{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:12px;
    }
    .badge.orange{
      background:rgba(242,166,90,.14);
      border-color:rgba(242,166,90,.32);
    }
    .card-metrics{
      min-width:168px;
      display:grid;
      gap:10px;
      align-content:start;
    }
    .metric-pill{
      padding:10px 12px;
      border-radius:16px;
      background:var(--green-bg);
      border:1px solid rgba(78,199,162,.17);
      color:var(--ink);
      font-size:13px;
      font-weight:850;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:12px;
      color:var(--ink);
      font-weight:900;
    }
    .text-link:after{
      content:"→";
      color:var(--mint);
      transition:transform var(--speed);
    }
    .text-link:hover:after{transform:translateX(4px)}

    .feature-banner{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:0;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:var(--ink);
      color:var(--paper-2);
      box-shadow:var(--shadow);
      border:1px solid rgba(31,36,35,.1);
    }
    .feature-media{
      position:relative;
      min-height:360px;
      overflow:hidden;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(.92) contrast(1.02);
    }
    .feature-media:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, transparent 45%, rgba(31,36,35,.62));
    }
    .feature-content{
      padding:40px;
      align-self:center;
    }
    .feature-content h2{color:var(--paper-2)}
    .feature-content .lead{color:rgba(250,250,246,.78)}
    .check-list{
      margin:22px 0 26px;
      padding:0;
      list-style:none;
      display:grid;
      gap:11px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(250,250,246,.86);
    }
    .check-list li:before{
      content:"";
      flex:0 0 19px;
      width:19px;
      height:19px;
      margin-top:5px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--mint),var(--mint-2));
      box-shadow:0 0 0 5px rgba(78,199,162,.12);
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .step-card{
      position:relative;
      padding:22px;
      border-radius:22px;
      background:rgba(250,250,246,.75);
      border:1px solid rgba(31,36,35,.08);
      transition:transform var(--speed), border-color var(--speed), box-shadow var(--speed);
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:rgba(78,199,162,.32);
      box-shadow:0 16px 42px rgba(31,36,35,.08);
    }
    .step-no{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      margin-bottom:14px;
      background:var(--ink);
      color:var(--mint-2);
      font-weight:950;
    }
    .step-card:not(:last-child):after{
      content:"";
      position:absolute;
      top:42px;
      right:-14px;
      width:14px;
      height:2px;
      background:rgba(78,199,162,.45);
    }

    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .faq-item{
      padding:22px;
      border-radius:22px;
      background:rgba(250,250,246,.78);
      border:1px solid rgba(31,36,35,.08);
      transition:background var(--speed), transform var(--speed), border-color var(--speed);
    }
    .faq-item:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.86);
      border-color:rgba(78,199,162,.3);
    }
    .faq-q{
      display:flex;
      gap:10px;
      align-items:flex-start;
      margin-bottom:8px;
      color:var(--ink);
      font-size:17px;
      font-weight:900;
      line-height:1.5;
    }
    .faq-q:before{
      content:"Q";
      flex:0 0 28px;
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:var(--mint-soft);
      color:var(--ink);
      font-size:13px;
      font-weight:950;
    }
    .faq-item p{margin:0;color:var(--muted);font-size:15px}

    .cta-panel{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      padding:34px;
      border-radius:var(--radius-lg);
      color:var(--paper-2);
      background:
        radial-gradient(circle at 15% 20%, rgba(78,199,162,.22), transparent 28%),
        radial-gradient(circle at 88% 80%, rgba(242,166,90,.16), transparent 28%),
        var(--ink);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .cta-panel h2{color:var(--paper-2)}
    .cta-panel p{margin-bottom:0;color:rgba(250,250,246,.74)}
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .site-footer{
      margin-top:54px;
      padding:54px 0 24px;
      background:var(--ink);
      color:rgba(250,250,246,.82);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr 1fr;
      gap:34px;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-logo{
      color:var(--paper-2);
      margin-bottom:14px;
    }
    .footer-text{
      max-width:430px;
      margin:0;
      color:rgba(250,250,246,.68);
    }
    .footer-title{
      margin-bottom:14px;
      color:var(--paper-2);
      font-weight:900;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a,.footer-links span{
      color:rgba(250,250,246,.68);
      font-size:14px;
    }
    .footer-links a{
      transition:color var(--speed), transform var(--speed);
    }
    .footer-links a:hover{
      color:var(--mint-2);
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      color:rgba(250,250,246,.55);
      font-size:13px;
    }

    @media (max-width:1024px){
      .hero-grid,.content-layout,.feature-banner{
        grid-template-columns:1fr;
      }
      .side-index{
        position:relative;
        top:auto;
      }
      .index-list{
        grid-template-columns:repeat(2,1fr);
      }
      .steps{grid-template-columns:repeat(2,1fr)}
      .step-card:after{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .site-header{padding-top:12px}
      .nav-panel{
        border-radius:26px;
        align-items:flex-start;
        flex-wrap:wrap;
      }
      .brand{flex:1}
      .mobile-toggle{display:grid;place-items:center}
      .nav-links,.nav-cta{
        display:none;
        width:100%;
      }
      .nav-panel.is-open .nav-links{
        display:grid;
        grid-template-columns:1fr;
        gap:8px;
        order:3;
      }
      .nav-panel.is-open .nav-cta{
        display:flex;
        order:4;
      }
      .nav-link{
        justify-content:flex-start;
        width:100%;
        border-radius:18px;
      }
      main{padding-top:18px}
      section{padding:40px 0}
      .hero-grid{padding:28px}
      .category-hero{border-radius:24px}
      .info-card{
        grid-template-columns:1fr;
      }
      .card-metrics{
        grid-template-columns:1fr 1fr;
        min-width:0;
      }
      .feature-content{padding:30px}
      .feature-media{min-height:260px}
      .faq-grid{grid-template-columns:1fr}
      .cta-panel{
        grid-template-columns:1fr;
        padding:28px;
      }
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }

    @media (max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      .brand{font-size:14px;padding-right:12px}
      .brand-mark{width:34px;height:34px}
      h1{font-size:32px}
      .hero-grid{padding:22px}
      .hero-actions,.cta-actions{display:grid}
      .btn,.nav-cta{width:100%}
      .filter-panel{padding:12px}
      .index-list,.steps,.card-metrics{
        grid-template-columns:1fr;
      }
      .info-card,.step-card,.faq-item{padding:18px}
      .feature-content{padding:24px}
    }