/* roulang page: index */
:root{
      --bg:#071018;
      --bg-2:#0d1723;
      --panel:rgba(15,28,42,.72);
      --panel-strong:rgba(18,34,51,.9);
      --line:rgba(176,210,226,.18);
      --line-strong:rgba(103,218,232,.38);
      --text:#edf7fb;
      --muted:#a9bdc9;
      --weak:#748894;
      --brand:#65dbe9;
      --brand-2:#7ef0c8;
      --accent:#d7b46a;
      --danger:#ff8f8f;
      --success:#7ee2a8;
      --shadow:0 22px 70px rgba(0,0,0,.36);
      --shadow-soft:0 14px 42px rgba(0,0,0,.24);
      --radius:24px;
      --radius-sm:16px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      line-height:1.72;
      background:
        radial-gradient(circle at 10% 8%, rgba(101,219,233,.18), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(126,240,200,.12), transparent 28%),
        linear-gradient(135deg,#060b12 0%,#0a1420 42%,#08131b 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.26;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, #000, transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(101,219,233,.35);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-2);font-size:13px;font-weight:700;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
    h1,h2,h3{line-height:1.22;margin:0;color:#f6fbff}
    h1{font-size:clamp(30px,4.2vw,52px);letter-spacing:-.04em;font-weight:900}
    h2{font-size:clamp(24px,3vw,34px);font-weight:850;letter-spacing:-.03em}
    h3{font-size:20px;font-weight:800}
    p{margin:0;color:var(--muted)}
    .muted{color:var(--muted)}
    .weak{color:var(--weak)}
    .glass{
      background:linear-gradient(180deg,rgba(18,34,51,.82),rgba(12,24,36,.66));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
    }
    .card{
      border-radius:var(--radius);
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:0 24px 70px rgba(1,13,20,.42),0 0 0 1px rgba(101,219,233,.06) inset;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:999px;
      padding:13px 22px;
      font-weight:800;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{
      outline:3px solid rgba(101,219,233,.32);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#062027;
      box-shadow:0 12px 34px rgba(101,219,233,.26);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(101,219,233,.36)}
    .btn-secondary{
      background:rgba(255,255,255,.045);
      border-color:var(--line);
      color:#eaf7fb;
    }
    .btn-secondary:hover{transform:translateY(-3px);background:rgba(101,219,233,.08);border-color:var(--line-strong)}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:#d8edf3;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      transition:.2s ease;
    }
    .tag:hover,.tag.active{border-color:var(--line-strong);background:rgba(101,219,233,.1);color:#fff}
    .badge-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 16px rgba(101,219,233,.8)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(176,210,226,.14);
      background:rgba(7,16,24,.74);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{display:grid;grid-template-columns:auto minmax(280px,1fr) auto;align-items:center;gap:18px;padding:14px 0}
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      background:
        linear-gradient(135deg,rgba(101,219,233,.92),rgba(126,240,200,.78)),
        radial-gradient(circle at 30% 20%,#fff,transparent 35%);
      box-shadow:0 10px 26px rgba(101,219,233,.23);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border:2px solid rgba(6,32,39,.55);
      border-radius:10px;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-name{font-weight:900;font-size:16px;letter-spacing:-.03em}
    .brand-sub{font-size:11px;color:var(--weak)}
    .nav-search{
      position:relative;
      max-width:560px;
      width:100%;
      justify-self:center;
    }
    .nav-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted)}
    .nav-search input{
      width:100%;
      height:46px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      color:var(--text);
      padding:0 18px 0 46px;
      transition:.2s ease;
    }
    .nav-search input::placeholder{color:#7f96a3}
    .nav-search input:focus{
      border-color:var(--brand);
      background:rgba(101,219,233,.08);
      box-shadow:0 0 0 4px rgba(101,219,233,.1);
    }
    .nav-menu{display:flex;align-items:center;gap:8px;justify-content:flex-end}
    .nav-link{
      padding:10px 13px;
      border-radius:999px;
      color:#c5d7df;
      font-size:14px;
      font-weight:700;
      transition:.2s ease;
      border:1px solid transparent;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(101,219,233,.09);
      border-color:rgba(101,219,233,.22);
    }
    .nav-cta{padding:10px 16px;font-size:14px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.05);
      color:#fff;
    }
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:12px 0 16px}
    .mobile-links{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
    .hero{padding:72px 0 42px;position:relative}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:42px;align-items:center}
    .hero-copy{position:relative;z-index:2}
    .hero-title span{color:var(--brand);text-shadow:0 0 34px rgba(101,219,233,.18)}
    .hero-desc{font-size:17px;margin-top:22px;max-width:690px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .quick-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .hero-panel{
      position:relative;
      border-radius:32px;
      padding:22px;
      min-height:470px;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      width:280px;height:280px;border-radius:50%;
      background:rgba(101,219,233,.16);
      filter:blur(34px);
      right:-90px;top:-80px;
    }
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;position:relative}
    .retro-line{
      height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
      margin:18px 0;
    }
    .focus-card{
      position:relative;
      padding:22px;
      border-radius:24px;
      background:linear-gradient(135deg,rgba(101,219,233,.13),rgba(255,255,255,.04));
      border:1px solid rgba(101,219,233,.22);
    }
    .mini-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
    .mini-card{padding:16px;border-radius:20px;background:rgba(255,255,255,.045);border:1px solid var(--line)}
    .meter{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:14px}
    .meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
    .search-showcase{padding:18px;border-radius:22px;background:rgba(5,13,20,.45);border:1px dashed rgba(176,210,226,.24);margin-top:14px}
    .search-results{display:grid;gap:10px;margin-top:14px}
    .result-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px;border-radius:16px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.06)}
    .category-mosaic{
      display:grid;
      grid-template-columns:1.25fr .85fr .85fr;
      grid-template-rows:auto auto;
      gap:18px;
    }
    .cat-card{padding:24px;min-height:210px;position:relative;overflow:hidden}
    .cat-card.large{grid-row:span 2;min-height:438px}
    .cat-card:after{
      content:"";
      position:absolute;
      right:-42px;bottom:-50px;
      width:160px;height:160px;border-radius:50%;
      background:rgba(101,219,233,.08);
      filter:blur(8px);
    }
    .cat-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .stat-card{padding:22px;border-radius:22px}
    .stat-num{font-size:34px;font-weight:900;color:#fff;letter-spacing:-.04em}
    .stat-num small{font-size:15px;color:var(--brand)}
    .feature-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch}
    .feature-list{display:grid;gap:14px}
    .feature-item{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:18px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
    .icon-box{width:38px;height:38px;border-radius:14px;background:rgba(101,219,233,.11);display:grid;place-items:center;color:var(--brand)}
    .case-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .case-card{padding:24px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
    .step{padding:22px;border-radius:22px;position:relative}
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      width:38px;height:38px;border-radius:14px;
      align-items:center;justify-content:center;
      color:#08232a;font-weight:900;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      margin-bottom:16px;
    }
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.04);overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;color:#fff;background:transparent;border:0;padding:18px 20px;font-weight:800}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted)}
    .faq-item.open{border-color:var(--line-strong);background:rgba(101,219,233,.065)}
    .faq-item.open .faq-a{display:block}
    .cta-panel{display:grid;grid-template-columns:1fr .9fr;gap:24px;padding:30px;border-radius:32px;overflow:hidden;position:relative}
    .cta-panel:before{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:340px;height:340px;border-radius:50%;
      background:rgba(126,240,200,.1);
      filter:blur(24px);
    }
    .contact-form{display:grid;gap:12px;position:relative}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{
      width:100%;
      border-radius:16px;
      border:1px solid var(--line);
      background:rgba(2,10,16,.42);
      color:var(--text);
      padding:13px 15px;
      transition:.2s ease;
    }
    textarea.field{min-height:112px;resize:vertical}
    .field::placeholder{color:#708692}
    .field:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(101,219,233,.1);background:rgba(2,10,16,.62)}
    .form-note{font-size:13px;color:var(--weak)}
    .form-status{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
    .status-ok,.status-error,.status-disabled{
      border-radius:14px;
      padding:9px 12px;
      font-size:13px;
      border:1px solid var(--line);
    }
    .status-ok{color:var(--success);background:rgba(126,226,168,.08)}
    .status-error{color:var(--danger);background:rgba(255,143,143,.08)}
    .status-disabled{color:var(--weak);background:rgba(255,255,255,.04)}
    .site-footer{
      padding:46px 0 28px;
      background:rgba(3,9,14,.72);
      border-top:1px solid var(--line);
      margin-top:38px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .9fr;gap:28px}
    .footer-title{font-weight:850;margin-bottom:12px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--muted);transition:.2s ease}
    .footer-links a:hover{color:var(--brand);transform:translateX(2px)}
    .copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--weak);font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1024px){
      .nav-wrap{grid-template-columns:1fr auto}
      .nav-search{grid-column:1 / -1;max-width:none;order:3}
      .nav-menu{display:none}
      .menu-toggle{display:grid;place-items:center}
      .mobile-panel.show{display:block}
      .hero-grid,.feature-split,.faq-wrap,.cta-panel{grid-template-columns:1fr}
      .hero-panel{min-height:auto}
      .category-mosaic{grid-template-columns:1fr 1fr}
      .cat-card.large{grid-row:auto;grid-column:span 2;min-height:300px}
      .stats-grid,.process{grid-template-columns:repeat(2,1fr)}
      .case-strip{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .hero{padding-top:48px}
      .hero-actions .btn{width:100%}
      .quick-badges{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .category-mosaic,.stats-grid,.case-strip,.process,.mini-stack,.form-row,.form-status{grid-template-columns:1fr}
      .cat-card.large{grid-column:auto}
      .footer-grid{grid-template-columns:1fr}
      .brand-sub{display:none}
      .nav-wrap{gap:12px;padding:12px 0}
      .hero-desc{font-size:15px}
      .result-item{align-items:flex-start;flex-direction:column}
      .cta-panel{padding:22px;border-radius:24px}
    }
    @media (max-width:520px){
      h1{font-size:30px}
      h2{font-size:25px}
      .brand-name{font-size:14px;max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .nav-search input{height:44px}
      .hero-panel,.cat-card,.stat-card,.case-card,.step{border-radius:20px}
      .section{padding:52px 0}
      .btn{width:100%;padding:13px 18px}
      .tag{white-space:nowrap}
    }

/* roulang page: category1 */
:root{
      --bg:#071014;
      --bg-2:#0d171c;
      --panel:#101d22;
      --panel-2:rgba(18,31,36,.78);
      --text:#eef7f6;
      --muted:#99aaa8;
      --soft:#c7d6d2;
      --line:rgba(199,214,210,.16);
      --line-strong:rgba(145,211,210,.32);
      --cyan:#7edbd8;
      --cyan-2:#4bbfbd;
      --mint:#a9e6c9;
      --amber:#dcc78b;
      --red:#e28478;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --shadow-soft:0 16px 48px rgba(0,0,0,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 8%, rgba(126,219,216,.13), transparent 28%),
        radial-gradient(circle at 88% 14%, rgba(220,199,139,.12), transparent 24%),
        linear-gradient(135deg,#061014 0%,#0b1418 46%,#111a1e 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.42;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, #000, transparent 80%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    input,textarea,select{outline:none}
    ::selection{background:rgba(126,219,216,.26);color:#fff}
    .site-container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid var(--line);
      background:rgba(7,16,20,.74);
      backdrop-filter:blur(18px);
      box-shadow:0 8px 28px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:78px;
      display:grid;
      grid-template-columns:auto minmax(280px, 1fr) auto auto;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      border:1px solid rgba(126,219,216,.5);
      background:
        linear-gradient(135deg, rgba(126,219,216,.95), rgba(169,230,201,.46)),
        radial-gradient(circle at 32% 28%, #fff, transparent 24%);
      box-shadow:0 0 22px rgba(126,219,216,.24), inset 0 0 16px rgba(255,255,255,.22);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:2px solid rgba(7,16,20,.58);
      transform:rotate(-8deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-name{font-size:17px;font-weight:800;letter-spacing:.02em;color:#fff}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-search{
      height:46px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 15px;
      color:var(--muted);
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.055);
      transition:.25s ease;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .nav-search:focus-within{
      border-color:rgba(126,219,216,.72);
      color:var(--cyan);
      background:rgba(126,219,216,.08);
      box-shadow:0 0 0 4px rgba(126,219,216,.12), inset 0 1px 0 rgba(255,255,255,.06);
    }
    .nav-search input{
      width:100%;
      color:var(--text);
      background:transparent;
      border:0;
      font-size:14px;
    }
    .nav-search input::placeholder{color:#778986}
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 12px;
      border-radius:999px;
      color:var(--soft);
      font-size:14px;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:var(--line);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#071014;
      background:linear-gradient(135deg,var(--cyan),var(--mint));
      box-shadow:0 10px 26px rgba(126,219,216,.18);
      font-weight:700;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      min-height:44px;
      padding:0 18px;
      border:1px solid transparent;
      font-weight:700;
      transition:.24s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-3px)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(126,219,216,.32);
      outline-offset:3px;
    }
    .btn-primary{
      color:#071014;
      background:linear-gradient(135deg,var(--cyan),var(--mint));
      box-shadow:0 14px 34px rgba(126,219,216,.22), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .btn-primary:hover{box-shadow:0 20px 46px rgba(126,219,216,.32)}
    .btn-secondary{
      color:#eff;
      background:rgba(255,255,255,.055);
      border-color:var(--line);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
    }
    .btn-secondary:hover{
      border-color:var(--line-strong);
      background:rgba(126,219,216,.08);
      box-shadow:0 16px 36px rgba(0,0,0,.22);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      color:var(--text);
      border:1px solid var(--line);
      border-radius:15px;
      background:rgba(255,255,255,.055);
    }
    .mobile-panel{
      display:none;
      padding:0 0 16px;
    }
    .mobile-links{
      display:flex;
      gap:8px;
      overflow:auto;
      padding-bottom:4px;
    }
    .main{position:relative}
    .section{padding:72px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 12px;
      border:1px solid rgba(126,219,216,.24);
      border-radius:999px;
      color:var(--cyan);
      background:rgba(126,219,216,.08);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 15px var(--cyan);
    }
    h1,h2,h3{line-height:1.18;margin:0;color:#fff;letter-spacing:-.02em}
    h1{font-size:clamp(30px,4.2vw,50px);font-weight:900}
    h2{font-size:clamp(25px,3vw,34px);font-weight:850}
    h3{font-size:20px;font-weight:800}
    p{margin:0;color:var(--muted)}
    .hero{
      padding:58px 0 48px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.02fr) minmax(360px, .78fr);
      gap:36px;
      align-items:stretch;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:24px;
    }
    .breadcrumb a:hover{color:var(--cyan)}
    .breadcrumb span:last-child{color:var(--soft)}
    .hero-panel,.glass-card{
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .hero-panel{
      padding:36px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      right:-120px;
      top:-110px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(126,219,216,.24), transparent 68%);
    }
    .hero-copy{position:relative;z-index:1}
    .hero-copy h1{margin-top:20px;max-width:880px}
    .hero-copy .lead{
      margin-top:18px;
      font-size:17px;
      color:#bfd0cd;
      max-width:760px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
    .hero-tags{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .tag,.filter-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      color:var(--soft);
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      font-size:13px;
      transition:.22s ease;
    }
    .tag:hover,.filter-chip:hover,.filter-chip.active{
      color:#071014;
      background:linear-gradient(135deg,var(--cyan),var(--mint));
      border-color:transparent;
      transform:translateY(-2px);
    }
    .directory-board{
      padding:24px;
      display:grid;
      gap:16px;
      align-content:start;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .board-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:2px;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(169,230,201,.09);
      color:var(--mint);
      border:1px solid rgba(169,230,201,.2);
      font-size:12px;
      white-space:nowrap;
    }
    .status-pill:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--mint);
    }
    .board-row{
      display:grid;
      grid-template-columns:52px 1fr auto;
      gap:13px;
      align-items:center;
      padding:15px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(7,16,20,.34);
      transition:.24s ease;
    }
    .board-row:hover{
      transform:translateX(4px);
      border-color:var(--line-strong);
      background:rgba(126,219,216,.07);
    }
    .row-icon{
      width:52px;
      height:52px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:#061014;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),rgba(220,199,139,.78));
    }
    .row-title{font-weight:800;color:#fff}
    .row-meta{font-size:13px;color:var(--muted);margin-top:2px}
    .heat{
      font-size:13px;
      color:var(--amber);
      padding:6px 9px;
      border-radius:999px;
      background:rgba(220,199,139,.08);
      border:1px solid rgba(220,199,139,.16);
    }
    .search-strip{
      display:grid;
      grid-template-columns:minmax(280px,1fr) auto auto;
      align-items:center;
      gap:14px;
      padding:18px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.045);
      box-shadow:var(--shadow-soft);
    }
    .search-large{
      display:flex;
      align-items:center;
      gap:12px;
      height:52px;
      padding:0 16px;
      border:1px solid var(--line);
      border-radius:18px;
      color:var(--muted);
      background:rgba(7,16,20,.48);
      transition:.22s ease;
    }
    .search-large:focus-within{
      border-color:rgba(126,219,216,.72);
      color:var(--cyan);
      box-shadow:0 0 0 4px rgba(126,219,216,.12);
    }
    .search-large input{
      width:100%;
      background:transparent;
      border:0;
      color:var(--text);
    }
    .select-like{
      height:52px;
      padding:0 14px;
      border-radius:18px;
      border:1px solid var(--line);
      color:var(--soft);
      background:rgba(7,16,20,.48);
    }
    .content-layout{
      display:grid;
      grid-template-columns:286px minmax(0,1fr);
      gap:24px;
      align-items:start;
    }
    .filter-panel{
      position:sticky;
      top:102px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.045);
      box-shadow:var(--shadow-soft);
    }
    .filter-group + .filter-group{
      margin-top:22px;
      padding-top:20px;
      border-top:1px solid var(--line);
    }
    .filter-title{
      font-weight:800;
      color:#fff;
      margin-bottom:12px;
    }
    .filter-list{display:flex;flex-wrap:wrap;gap:8px}
    .mini-stat{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      padding:12px 0;
      border-bottom:1px dashed rgba(199,214,210,.16);
      color:var(--soft);
      font-size:14px;
    }
    .mini-stat:last-child{border-bottom:0}
    .mini-stat strong{color:var(--cyan)}
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .content-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.068),rgba(255,255,255,.034));
      box-shadow:0 14px 44px rgba(0,0,0,.2);
      padding:22px;
      transition:.24s ease;
      position:relative;
      overflow:hidden;
    }
    .content-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 90% 0%, rgba(126,219,216,.12), transparent 38%);
      opacity:0;
      transition:.24s ease;
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:0 22px 60px rgba(0,0,0,.3);
    }
    .content-card:hover:before{opacity:1}
    .card-inner{position:relative;z-index:1}
    .card-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:16px;
    }
    .card-index{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#061014;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--mint));
    }
    .card-meta{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:16px;
      color:var(--muted);
      font-size:13px;
    }
    .card-meta span{
      padding:5px 9px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
    }
    .wide-card{
      grid-column:span 2;
      display:grid;
      grid-template-columns:1fr 260px;
      gap:20px;
      align-items:center;
      background:
        linear-gradient(135deg,rgba(126,219,216,.12),rgba(255,255,255,.035)),
        rgba(255,255,255,.045);
    }
    .visual-box{
      min-height:190px;
      border-radius:22px;
      border:1px solid rgba(126,219,216,.24);
      background:
        radial-gradient(circle at 30% 30%, rgba(126,219,216,.38), transparent 26%),
        radial-gradient(circle at 74% 64%, rgba(220,199,139,.22), transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.025));
      position:relative;
      overflow:hidden;
    }
    .visual-box:before,.visual-box:after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.14);
      border-radius:20px;
      background:rgba(7,16,20,.28);
    }
    .visual-box:before{left:28px;right:48px;top:34px;height:42px}
    .visual-box:after{left:48px;right:26px;bottom:34px;height:74px}
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .process-card{
      padding:20px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      transition:.24s ease;
    }
    .process-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      background:rgba(126,219,216,.07);
    }
    .step-num{
      width:36px;
      height:36px;
      display:grid;
      place-items:center;
      border-radius:13px;
      color:#061014;
      background:var(--amber);
      font-weight:900;
      margin-bottom:16px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .related-card{
      min-height:190px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      transition:.24s ease;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-soft);
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
      margin-bottom:12px;
    }
    .faq-question{
      width:100%;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      border:0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:26px;
      height:26px;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(126,219,216,.1);
      color:var(--cyan);
      flex:0 0 auto;
      transition:.22s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open{
      border-color:var(--line-strong);
      background:rgba(126,219,216,.065);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-panel{
      display:grid;
      grid-template-columns:1fr 420px;
      gap:24px;
      padding:32px;
      border-radius:var(--radius-xl);
      border:1px solid var(--line-strong);
      background:
        radial-gradient(circle at 10% 20%, rgba(126,219,216,.14), transparent 28%),
        linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
    }
    .contact-form{
      display:grid;
      gap:12px;
      padding:18px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(7,16,20,.42);
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .form-field{
      width:100%;
      min-height:48px;
      padding:0 14px;
      border-radius:15px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      color:var(--text);
      transition:.22s ease;
    }
    textarea.form-field{
      min-height:112px;
      padding-top:12px;
      resize:vertical;
    }
    .form-field:focus{
      border-color:rgba(126,219,216,.72);
      box-shadow:0 0 0 4px rgba(126,219,216,.12);
      background:rgba(126,219,216,.06);
    }
    .form-tip{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:13px;
    }
    .success-note{
      color:var(--mint);
      background:rgba(169,230,201,.08);
      border:1px solid rgba(169,230,201,.18);
      border-radius:14px;
      padding:9px 11px;
    }
    .site-footer{
      padding:56px 0 28px;
      border-top:1px solid var(--line);
      background:rgba(3,9,11,.56);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .75fr 1fr;
      gap:34px;
      color:var(--muted);
    }
    .footer-title{
      font-weight:850;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      font-size:14px;
    }
    .footer-links a,.footer-links span{color:var(--muted)}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:#748481;
      font-size:13px;
    }
    @media (max-width:1180px){
      .nav-wrap{grid-template-columns:auto 1fr auto}
      .nav-menu{display:none}
      .menu-toggle{display:flex}
      .mobile-panel.is-open{display:block}
      .hero-grid,.cta-panel{grid-template-columns:1fr}
      .content-layout{grid-template-columns:250px 1fr}
      .related-grid{grid-template-columns:1fr 1fr}
      .related-card:first-child{grid-column:span 2}
    }
    @media (max-width:900px){
      .site-container{width:min(100% - 32px,var(--container))}
      .nav-wrap{grid-template-columns:1fr auto;gap:12px;padding:14px 0}
      .brand{grid-column:1/2}
      .nav-search{grid-column:1/3;grid-row:2}
      .menu-toggle{grid-column:2;grid-row:1}
      .content-layout{grid-template-columns:1fr}
      .filter-panel{position:static}
      .cards-grid{grid-template-columns:1fr}
      .wide-card{grid-column:auto;grid-template-columns:1fr}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .faq-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .search-strip{grid-template-columns:1fr 1fr}
      .search-large{grid-column:span 2}
    }
    @media (max-width:640px){
      .site-container{width:min(100% - 24px,var(--container))}
      .section{padding:52px 0}
      .hero{padding:34px 0 32px}
      .hero-panel{padding:24px}
      .directory-board{padding:18px}
      .board-row{grid-template-columns:44px 1fr}
      .heat{grid-column:2}
      .row-icon{width:44px;height:44px}
      .hero-actions,.form-row{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .search-strip{grid-template-columns:1fr}
      .search-large{grid-column:auto}
      .select-like{width:100%}
      .process-grid,.related-grid,.footer-grid{grid-template-columns:1fr}
      .related-card:first-child{grid-column:auto}
      .cta-panel{padding:22px}
      .brand-name{font-size:15px}
      .brand-sub{font-size:11px}
      .mobile-links .nav-link{flex:0 0 auto}
      .copyright{display:grid}
    }

/* roulang page: category2 */
:root{
      --bg:#070b14;
      --bg-soft:#0c1321;
      --panel:#111a2b;
      --panel-2:#151f32;
      --text:#f4f7fb;
      --muted:#aab6c8;
      --weak:#75839a;
      --line:rgba(180,205,228,.18);
      --line-strong:rgba(113,211,229,.34);
      --accent:#67e8f9;
      --accent-2:#8bd3ff;
      --accent-3:#9ae6b4;
      --warm:#e6c78e;
      --danger:#ff9f9f;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 24px 70px rgba(0,0,0,.36);
      --shadow-soft:0 14px 40px rgba(0,0,0,.28);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%,rgba(103,232,249,.14),transparent 34%),
        radial-gradient(circle at 86% 18%,rgba(139,211,255,.10),transparent 32%),
        linear-gradient(180deg,#070b14 0%,#09101d 44%,#070b14 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.95),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(103,232,249,.28);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,11,20,.78);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(18px);
      box-shadow:0 10px 32px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:82px;
      display:grid;
      grid-template-columns:auto minmax(280px,1fr) auto auto;
      align-items:center;
      gap:18px;
    }
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      position:relative;
      background:
        radial-gradient(circle at 30% 28%,#e6c78e 0 18%,transparent 19%),
        linear-gradient(135deg,rgba(103,232,249,.95),rgba(139,211,255,.36) 48%,rgba(154,230,180,.62));
      box-shadow:0 0 0 1px rgba(255,255,255,.18) inset,0 12px 30px rgba(103,232,249,.16);
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border:1px solid rgba(7,11,20,.52);
      border-radius:10px;
      transform:rotate(8deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-name{font-weight:800;letter-spacing:.01em;font-size:16px;color:#fff}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:4px}
    .nav-search{
      height:48px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 16px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(198,219,235,.18);
      color:var(--muted);
      box-shadow:0 12px 28px rgba(0,0,0,.14) inset;
      transition:.24s ease;
    }
    .nav-search:focus-within{
      border-color:var(--line-strong);
      box-shadow:0 0 0 4px rgba(103,232,249,.10),0 12px 28px rgba(0,0,0,.14) inset;
      background:rgba(255,255,255,.08);
      color:var(--accent);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:#fff;
      font-size:14px;
    }
    .nav-search input::placeholder{color:#8290a5}
    .nav-menu{display:flex;align-items:center;gap:6px}
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 12px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      border:1px solid transparent;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.12);
      outline:none;
    }
    .nav-link.active{
      color:#06101a;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      border-color:rgba(255,255,255,.22);
      box-shadow:0 12px 30px rgba(103,232,249,.18);
      font-weight:700;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      font-weight:700;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(103,232,249,.26);
      outline-offset:2px;
    }
    .btn-primary{
      color:#06101a;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      box-shadow:0 16px 36px rgba(103,232,249,.22);
    }
    .btn-primary:hover{box-shadow:0 20px 46px rgba(103,232,249,.31)}
    .btn-secondary{
      color:#ecf7ff;
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.10);border-color:rgba(103,232,249,.32)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:16px;
      color:#fff;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      align-items:center;
      justify-content:center;
    }
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
    .mobile-links{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
    .section{padding:74px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:13px;
      font-weight:700;
      letter-spacing:.08em;
      padding:7px 12px;
      border:1px solid rgba(103,232,249,.24);
      border-radius:999px;
      background:rgba(103,232,249,.07);
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 14px var(--accent);
    }
    .hero-inner{
      padding:42px 0 20px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:stretch;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--weak);
      font-size:13px;
      margin-bottom:22px;
    }
    .breadcrumb a:hover{color:var(--accent)}
    .breadcrumb span[aria-hidden="true"]{color:#4d5c71}
    h1{
      margin:18px 0 18px;
      font-size:clamp(32px,4vw,50px);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.04em;
    }
    h2{
      margin:0;
      font-size:clamp(24px,2.7vw,34px);
      line-height:1.25;
      font-weight:850;
      letter-spacing:-.025em;
    }
    h3{font-size:20px;line-height:1.35;font-weight:800;margin:0}
    p{margin:0;color:var(--muted)}
    .lead{font-size:17px;color:#c5d0df;max-width:720px}
    .text-gradient{background:linear-gradient(135deg,#fff,var(--accent-2) 56%,var(--accent-3));-webkit-background-clip:text;background-clip:text;color:transparent}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .quick-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.11);
      color:#dce8f6;
      font-size:13px;
    }
    .hero-panel,.glass-card{
      background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.045));
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      padding:24px;
      min-height:420px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      width:300px;
      height:300px;
      border-radius:999px;
      background:rgba(103,232,249,.16);
      filter:blur(44px);
      right:-90px;
      top:-90px;
    }
    .focus-card{
      position:relative;
      z-index:1;
      padding:22px;
      border-radius:24px;
      background:rgba(7,11,20,.58);
      border:1px solid rgba(255,255,255,.13);
    }
    .focus-row{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:18px}
    .metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .metric{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
    }
    .metric strong{display:block;color:#fff;font-size:25px;line-height:1.1}
    .metric span{display:block;color:var(--weak);font-size:12px;margin-top:4px}
    .search-demo{
      margin-top:18px;
      padding:16px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
    }
    .demo-input{
      display:flex;
      align-items:center;
      gap:10px;
      height:48px;
      padding:0 14px;
      border-radius:16px;
      background:#07101d;
      border:1px solid rgba(103,232,249,.24);
      color:var(--muted);
    }
    .demo-results{display:grid;gap:10px;margin-top:14px}
    .demo-result{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.09);
    }
    .tag,.filter-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:30px;
      padding:5px 10px;
      border-radius:999px;
      color:#d9e9f6;
      font-size:12px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.055);
      transition:.22s ease;
    }
    .tag.hot{color:#06101a;background:linear-gradient(135deg,var(--warm),#fff0bc);font-weight:800}
    .filter-chip:hover,.filter-chip.active{color:#06101a;background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:end;
      margin-bottom:26px;
    }
    .section-head p{max-width:620px}
    .filter-bar{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.055);
      border:1px solid var(--line);
      margin-bottom:22px;
    }
    .filter-groups{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .select-sort{
      min-height:42px;
      border-radius:999px;
      color:#dce8f6;
      padding:0 14px;
      border:1px solid rgba(255,255,255,.13);
      background:#0b1423;
    }
    .featured-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
    }
    .featured-main{
      padding:28px;
      border-radius:28px;
      background:
        linear-gradient(135deg,rgba(103,232,249,.16),rgba(255,255,255,.055) 44%,rgba(154,230,180,.08)),
        rgba(255,255,255,.045);
      border:1px solid rgba(103,232,249,.22);
      box-shadow:var(--shadow-soft);
      min-height:340px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .featured-main:after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:240px;
      height:240px;
      border-radius:999px;
      border:1px solid rgba(230,199,142,.26);
      box-shadow:0 0 80px rgba(230,199,142,.10) inset;
    }
    .featured-side{display:grid;gap:18px}
    .content-card{
      position:relative;
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.038));
      border:1px solid var(--line);
      box-shadow:0 12px 34px rgba(0,0,0,.20);
      transition:.22s ease;
      overflow:hidden;
    }
    .content-card:hover{
      transform:translateY(-4px);
      border-color:rgba(103,232,249,.34);
      box-shadow:0 20px 48px rgba(0,0,0,.30),0 0 0 1px rgba(103,232,249,.08) inset;
    }
    .content-card.compact{min-height:160px}
    .card-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
    .card-foot{
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      color:var(--weak);
      font-size:13px;
    }
    .masonry-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:20px;
      margin-top:22px;
    }
    .span-4{grid-column:span 4}
    .span-5{grid-column:span 5}
    .span-7{grid-column:span 7}
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .scenario{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.05);
      border:1px solid var(--line);
      transition:.22s ease;
    }
    .scenario:hover{transform:translateY(-3px);border-color:rgba(154,230,180,.28);background:rgba(255,255,255,.07)}
    .icon-box{
      width:44px;
      height:44px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:16px;
      color:#07101d;
      background:linear-gradient(135deg,var(--accent),var(--accent-3));
      font-weight:900;
      box-shadow:0 14px 28px rgba(103,232,249,.18);
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .process-card{
      counter-increment:step;
      padding:22px;
      border-radius:24px;
      background:#0b1423;
      border:1px solid var(--line);
      position:relative;
    }
    .process-card:before{
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border-radius:14px;
      color:#06101a;
      background:linear-gradient(135deg,var(--warm),#fff0bc);
      font-weight:900;
      margin-bottom:18px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      padding:24px;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
      border:1px solid var(--line);
      transition:.22s ease;
    }
    .related-card:hover{transform:translateY(-3px);border-color:rgba(103,232,249,.30)}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.052);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      border:0;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:26px;
      height:26px;
      flex:0 0 auto;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      color:#06101a;
      background:var(--accent);
      transition:.22s ease;
    }
    .faq-answer{display:none;padding:0 20px 20px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-panel{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:26px;
      padding:30px;
      border-radius:32px;
      background:
        radial-gradient(circle at 12% 15%,rgba(103,232,249,.17),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.085),rgba(255,255,255,.035));
      border:1px solid rgba(103,232,249,.22);
      box-shadow:var(--shadow);
    }
    .contact-form{
      display:grid;
      gap:12px;
      padding:20px;
      border-radius:24px;
      background:rgba(7,11,20,.54);
      border:1px solid rgba(255,255,255,.12);
    }
    .field{
      width:100%;
      min-height:46px;
      border-radius:16px;
      padding:0 14px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.055);
      color:#fff;
      outline:0;
      transition:.22s ease;
    }
    textarea.field{min-height:96px;padding-top:12px;resize:vertical}
    .field::placeholder{color:#79879b}
    .field:focus{
      border-color:rgba(103,232,249,.46);
      box-shadow:0 0 0 4px rgba(103,232,249,.10);
      background:rgba(255,255,255,.075);
    }
    .form-note{font-size:12px;color:var(--weak)}
    .state-row{display:flex;gap:10px;flex-wrap:wrap}
    .state-success{color:#b8ffd0;background:rgba(154,230,180,.08);border-color:rgba(154,230,180,.22)}
    .state-error{color:#ffd0d0;background:rgba(255,159,159,.08);border-color:rgba(255,159,159,.22)}
    .site-footer{
      margin-top:42px;
      padding:56px 0 28px;
      background:#050810;
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr .75fr .95fr;
      gap:28px;
      color:var(--muted);
    }
    .footer-title{color:#fff;font-weight:850;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-links span{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--accent)}
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width:1180px){
      .nav-wrap{grid-template-columns:auto minmax(260px,1fr) auto}
      .nav-menu{display:none}
      .menu-toggle{display:flex}
      .mobile-panel.show{display:block}
      .hero-inner,.featured-layout,.cta-panel{grid-template-columns:1fr}
      .hero-panel{min-height:auto}
      .scenario-grid,.process{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:900px){
      .nav-wrap{grid-template-columns:1fr auto;gap:12px;padding:14px 0}
      .nav-search{grid-column:1 / -1;order:3}
      .section{padding:56px 0}
      .section-head,.filter-bar{grid-template-columns:1fr;align-items:start}
      .faq-wrap{grid-template-columns:1fr}
      .masonry-grid{grid-template-columns:repeat(2,1fr)}
      .span-4,.span-5,.span-7{grid-column:span 1}
      .related-grid{grid-template-columns:1fr}
    }
    @media (max-width:640px){
      .site-container{width:min(100% - 28px,var(--container))}
      .brand-name{font-size:14px}
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .hero-inner{padding-top:30px}
      .hero-actions .btn{width:100%}
      .metric-grid,.scenario-grid,.process,.masonry-grid{grid-template-columns:1fr}
      .featured-main,.content-card,.cta-panel{padding:20px;border-radius:22px}
      .filter-groups{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .filter-chip{flex:0 0 auto}
      .demo-result,.card-foot,.focus-row{flex-direction:column;align-items:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }

/* roulang page: category3 */
:root{
      --bg:#080b12;
      --bg-soft:#101622;
      --panel:rgba(18,25,38,.78);
      --panel-strong:rgba(24,33,49,.92);
      --line:rgba(190,213,232,.16);
      --line-strong:rgba(126,225,235,.36);
      --text:#edf6fb;
      --muted:#9fb1bf;
      --weak:#6f8190;
      --primary:#76e4f2;
      --primary-2:#9cf7d2;
      --accent:#e0c071;
      --danger:#ff8b8b;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --shadow-glow:0 18px 48px rgba(93,221,236,.16);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(118,228,242,.16), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(224,192,113,.11), transparent 30%),
        linear-gradient(180deg,#070a10 0%,#0b1018 44%,#070a10 100%);
      line-height:1.72;
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.38;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(118,228,242,.35);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 44px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(7,10,16,.72);
      border-bottom:1px solid var(--line);
      transition:background .25s ease, box-shadow .25s ease;
    }
    .site-header.scrolled{background:rgba(7,10,16,.92);box-shadow:0 18px 40px rgba(0,0,0,.32)}
    .nav-wrap{
      min-height:82px;
      display:grid;
      grid-template-columns:auto minmax(260px,1fr) auto auto;
      gap:18px;
      align-items:center;
    }
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      border:1px solid rgba(118,228,242,.55);
      background:
        linear-gradient(135deg,rgba(118,228,242,.95),rgba(156,247,210,.65) 46%,rgba(224,192,113,.86)),
        radial-gradient(circle at 25% 20%,#fff,transparent 28%);
      box-shadow:0 0 26px rgba(118,228,242,.28), inset 0 0 18px rgba(255,255,255,.26);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:11px 8px;
      border:2px solid rgba(8,11,18,.7);
      border-left:0;
      border-bottom:0;
      transform:skewX(-18deg);
      border-radius:4px;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-weight:800;letter-spacing:.02em;font-size:16px;color:#fff}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-search{
      height:48px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 15px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      border-radius:999px;
      color:var(--muted);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .nav-search:focus-within{
      border-color:var(--line-strong);
      background:rgba(118,228,242,.08);
      box-shadow:0 0 0 4px rgba(118,228,242,.08), inset 0 1px 0 rgba(255,255,255,.08);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      color:#fff;
      background:transparent;
      font-size:14px;
    }
    .nav-search input::placeholder{color:#7f92a3}
    .nav-menu{display:flex;align-items:center;gap:8px;white-space:nowrap}
    .nav-link{
      color:#c6d4dd;
      font-size:14px;
      padding:9px 12px;
      border-radius:999px;
      transition:color .2s ease, background .2s ease, transform .2s ease;
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateY(-1px)}
    .nav-link.active{
      color:#081018;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:700;
      box-shadow:0 12px 30px rgba(118,228,242,.22);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
      user-select:none;
    }
    .btn:hover{transform:translateY(-3px)}
    .btn:focus-visible,.nav-link:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:3px solid rgba(118,228,242,.32);
      outline-offset:3px;
    }
    .btn-primary{
      color:#071018;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 16px 38px rgba(118,228,242,.24);
    }
    .btn-primary:hover{box-shadow:0 24px 56px rgba(118,228,242,.32)}
    .btn-secondary{
      color:#e8f5fa;
      background:rgba(255,255,255,.055);
      border-color:var(--line);
    }
    .btn-secondary:hover{background:rgba(118,228,242,.09);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
    .menu-toggle{
      display:none;
      width:46px;height:46px;border-radius:16px;
      border:1px solid var(--line);
      color:#e8f5fa;
      background:rgba(255,255,255,.055);
      align-items:center;justify-content:center;
    }
    .mobile-panel{display:none;padding-bottom:16px}
    .mobile-links{display:grid;gap:8px;padding:12px;border:1px solid var(--line);border-radius:18px;background:rgba(13,18,28,.9)}
    main{position:relative}
    .section{padding:76px 0}
    .section-tight{padding:52px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border:1px solid rgba(118,228,242,.26);
      background:rgba(118,228,242,.08);
      color:#bdf8ff;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .eyebrow:before{
      content:"";
      width:7px;height:7px;border-radius:99px;background:var(--primary);
      box-shadow:0 0 14px var(--primary);
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:24px;
      flex-wrap:wrap;
    }
    .breadcrumb a:hover{color:#fff}
    .hero{
      padding:50px 0 44px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{
      border:1px solid var(--line);
      border-radius:30px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.025)),
        rgba(12,17,27,.72);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      right:-120px;top:-130px;
      width:320px;height:320px;border-radius:999px;
      background:radial-gradient(circle,rgba(118,228,242,.18),transparent 68%);
      pointer-events:none;
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(30px,4vw,48px);
      line-height:1.14;
      letter-spacing:-.04em;
      font-weight:900;
      color:#fff;
    }
    .lead{font-size:16px;color:#c0cfda;max-width:760px}
    .hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
    .hero-panel{
      border-radius:30px;
      border:1px solid rgba(224,192,113,.28);
      background:
        linear-gradient(160deg,rgba(224,192,113,.12),transparent 34%),
        linear-gradient(135deg,rgba(18,25,38,.96),rgba(12,16,25,.78));
      box-shadow:var(--shadow);
      padding:22px;
      display:grid;
      gap:16px;
      min-height:100%;
    }
    .showcase-board{
      min-height:240px;
      border-radius:24px;
      border:1px solid var(--line);
      background:
        radial-gradient(circle at 20% 20%,rgba(118,228,242,.2),transparent 28%),
        radial-gradient(circle at 75% 35%,rgba(224,192,113,.16),transparent 30%),
        linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .showcase-board:before{
      content:"";
      position:absolute;inset:18px;
      border:1px dashed rgba(255,255,255,.13);
      border-radius:20px;
    }
    .board-card{
      position:relative;
      z-index:1;
      width:78%;
      margin-left:auto;
      padding:18px;
      border-radius:20px;
      background:rgba(7,10,16,.64);
      border:1px solid rgba(118,228,242,.24);
      backdrop-filter:blur(12px);
    }
    .board-lines span{display:block;height:8px;border-radius:99px;background:rgba(255,255,255,.16);margin-top:12px}
    .board-lines span:nth-child(1){width:70%}
    .board-lines span:nth-child(2){width:92%}
    .board-lines span:nth-child(3){width:52%;background:rgba(118,228,242,.36)}
    .metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .metric{
      padding:15px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .metric strong{display:block;font-size:24px;color:#fff;line-height:1.1}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:12px}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:26px;
    }
    .section-head h2{
      margin:10px 0 0;
      font-size:clamp(24px,3vw,34px);
      line-height:1.22;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .section-head p{color:var(--muted);max-width:620px;margin:10px 0 0}
    .filter-bar{
      display:grid;
      grid-template-columns:minmax(220px,1fr) auto;
      gap:16px;
      padding:16px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      backdrop-filter:blur(16px);
    }
    .search-box{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:52px;
      padding:0 16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(6,9,15,.64);
      color:var(--muted);
      transition:.22s ease;
    }
    .search-box:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(118,228,242,.08)}
    .search-box input{width:100%;background:transparent;border:0;outline:0;color:#fff}
    .chip-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
    .chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:#c8d5de;
      font-size:13px;
      transition:.2s ease;
    }
    .chip:hover,.chip.active{color:#071018;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;transform:translateY(-2px)}
    .info-strip{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:16px;
      margin-top:22px;
    }
    .info-item{
      border:1px solid var(--line);
      border-radius:22px;
      padding:18px;
      background:linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      min-height:116px;
    }
    .info-item b{display:block;color:#fff;font-size:17px;margin-bottom:7px}
    .info-item p{margin:0;color:var(--muted);font-size:14px}
    .feature-layout{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(330px,.9fr);
      gap:22px;
      align-items:stretch;
    }
    .focus-card{
      min-height:430px;
      border-radius:30px;
      padding:28px;
      border:1px solid rgba(118,228,242,.26);
      background:
        linear-gradient(155deg,rgba(118,228,242,.13),transparent 36%),
        linear-gradient(25deg,rgba(224,192,113,.1),transparent 42%),
        rgba(16,22,34,.85);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .focus-card:after{
      content:"";
      position:absolute;
      right:24px;bottom:24px;
      width:210px;height:210px;
      border-radius:44px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
      transform:rotate(10deg);
    }
    .focus-card h2{font-size:32px;line-height:1.2;font-weight:900;margin:16px 0}
    .focus-card p{color:#c6d4dd;max-width:640px}
    .tag-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(118,228,242,.09);
      border:1px solid rgba(118,228,242,.18);
      color:#c9fbff;
      font-size:13px;
    }
    .stack-list{display:grid;gap:14px}
    .stack-card{
      border:1px solid var(--line);
      border-radius:24px;
      padding:20px;
      background:rgba(255,255,255,.045);
      transition:.22s ease;
    }
    .stack-card:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-glow);
      background:rgba(255,255,255,.065);
    }
    .stack-card h3{font-size:18px;font-weight:850;margin:0 0 8px;color:#fff}
    .stack-card p{margin:0;color:var(--muted);font-size:14px}
    .content-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:16px;
    }
    .content-card{
      grid-column:span 4;
      border:1px solid var(--line);
      border-radius:24px;
      padding:20px;
      background:rgba(255,255,255,.045);
      transition:.22s ease;
      position:relative;
      overflow:hidden;
    }
    .content-card.wide{grid-column:span 8;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center}
    .content-card:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:3px;
      background:linear-gradient(90deg,var(--primary),transparent);
      opacity:.6;
    }
    .content-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
    .content-card h3{margin:8px 0 8px;font-size:19px;font-weight:850;color:#fff}
    .content-card p{margin:0;color:var(--muted);font-size:14px}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
      color:var(--weak);
      font-size:12px;
    }
    .meta span{padding:4px 8px;border:1px solid var(--line);border-radius:999px;background:rgba(0,0,0,.14)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#071018;
      background:linear-gradient(135deg,var(--accent),#f0dfac);
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:800;
    }
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      position:relative;
    }
    .step-number{
      width:42px;height:42px;border-radius:16px;
      display:flex;align-items:center;justify-content:center;
      color:#071018;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:900;
      margin-bottom:18px;
    }
    .step h3{font-size:18px;font-weight:850;margin:0 0 8px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .faq-wrap{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      border:0;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;height:28px;border-radius:10px;
      display:flex;align-items:center;justify-content:center;
      border:1px solid var(--line);
      color:var(--primary);
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open{border-color:rgba(118,228,242,.3);background:rgba(118,228,242,.06)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(118,228,242,.12)}
    .cta-panel{
      display:grid;
      grid-template-columns:1fr 420px;
      gap:24px;
      padding:28px;
      border-radius:30px;
      border:1px solid rgba(118,228,242,.28);
      background:
        radial-gradient(circle at 16% 15%,rgba(118,228,242,.16),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      align-items:center;
    }
    .cta-panel h2{font-size:32px;font-weight:900;line-height:1.22;margin:10px 0}
    .cta-panel p{color:var(--muted);margin:0;max-width:700px}
    .contact-form{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius:24px;
      border:1px solid var(--line);
      background:rgba(6,9,15,.48);
    }
    .form-field{display:grid;gap:7px}
    .form-field label{font-size:13px;color:#cfdde5;font-weight:700}
    .form-field input,.form-field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.055);
      color:#fff;
      padding:12px 14px;
      outline:0;
      transition:.22s ease;
      resize:vertical;
    }
    .form-field textarea{min-height:94px}
    .form-field input:focus,.form-field textarea:focus{border-color:var(--line-strong);box-shadow:0 0 0 4px rgba(118,228,242,.08)}
    .form-hint{font-size:12px;color:var(--weak)}
    .form-status{
      border-radius:14px;
      padding:10px 12px;
      background:rgba(156,247,210,.08);
      border:1px solid rgba(156,247,210,.22);
      color:#c8ffe8;
      font-size:13px;
    }
    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(4,6,10,.92);
      padding:54px 0 28px;
      color:var(--muted);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .7fr .7fr .9fr;
      gap:30px;
    }
    .footer-title{color:#fff;font-weight:850;margin-bottom:14px}
    .footer-links{display:grid;gap:9px;font-size:14px}
    .footer-links a,.footer-links span{color:var(--muted)}
    .footer-links a:hover{color:var(--primary)}
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid var(--line);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#758795;
      font-size:13px;
    }
    @media (max-width:1180px){
      .nav-wrap{grid-template-columns:auto 1fr auto}
      .nav-menu{display:none}
      .menu-toggle{display:flex}
      .mobile-panel.open{display:block}
      .hero-grid,.feature-layout,.cta-panel{grid-template-columns:1fr}
      .metric-row{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:900px){
      .section{padding:58px 0}
      .section-head{display:block}
      .filter-bar{grid-template-columns:1fr}
      .info-strip{grid-template-columns:1fr}
      .content-card,.content-card.wide{grid-column:span 6}
      .content-card.wide{grid-template-columns:1fr}
      .step-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:720px){
      .site-container{width:min(100% - 28px,var(--container))}
      .nav-wrap{grid-template-columns:1fr auto;gap:12px;padding:12px 0}
      .brand-name{font-size:14px}
      .brand-sub{display:none}
      .nav-search{grid-column:1 / -1;order:3}
      .hero{padding-top:30px}
      .hero-copy,.hero-panel,.cta-panel{padding:22px;border-radius:24px}
      .hero-actions .btn{width:100%}
      .metric-row{grid-template-columns:1fr}
      .content-card,.content-card.wide{grid-column:span 12}
      .step-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
      .chip-row{flex-wrap:nowrap;overflow:auto;padding-bottom:4px}
      .chip{flex:0 0 auto}
    }
    @media (max-width:480px){
      h1{font-size:29px}
      .focus-card h2,.cta-panel h2{font-size:25px}
      .section{padding:46px 0}
      .board-card{width:100%}
      .info-item,.content-card,.stack-card,.step{border-radius:18px}
    }