/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-deep:#030813;
      --panel:rgba(12,27,50,.72);
      --panel-strong:rgba(16,36,66,.88);
      --panel-soft:rgba(255,255,255,.055);
      --text:#f5f9ff;
      --muted:#aab8cf;
      --weak:#73839f;
      --line:rgba(142,208,255,.22);
      --line-strong:rgba(80,221,255,.55);
      --cyan:#54e4ff;
      --blue:#4d8dff;
      --purple:#9d68ff;
      --amber:#ffc66d;
      --danger:#ff6b97;
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 24px 80px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(84,228,255,.28);
      --glow-purple:0 0 44px rgba(157,104,255,.22);
      --container:1200px;
      --nav-h:78px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(84,228,255,.18), transparent 32%),
        radial-gradient(circle at 82% 18%, rgba(157,104,255,.19), transparent 34%),
        radial-gradient(circle at 50% 100%, rgba(255,198,109,.08), transparent 36%),
        linear-gradient(180deg,var(--bg-deep),var(--bg) 45%,#050b16);
      line-height:1.78;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      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:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20%;
      pointer-events:none;
      background:
        linear-gradient(115deg, transparent 0 42%, rgba(84,228,255,.06) 44%, transparent 47%),
        linear-gradient(70deg, transparent 0 58%, rgba(157,104,255,.055) 60%, transparent 64%);
      filter:blur(.2px);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    input,select,textarea{color:var(--text)}
    ::selection{background:rgba(84,228,255,.28);color:#fff}
    .site-container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .skip-link{
      position:absolute;left:14px;top:-80px;z-index:9999;
      padding:10px 14px;border-radius:10px;background:#fff;color:#061120;
    }
    .skip-link:focus{top:12px}
    .site-header{
      position:sticky;top:0;z-index:1000;
      backdrop-filter:blur(20px);
      background:linear-gradient(180deg,rgba(4,11,23,.86),rgba(5,14,29,.68));
      border-bottom:1px solid rgba(142,208,255,.16);
      box-shadow:0 12px 40px rgba(0,0,0,.22);
    }
    .nav-wrap{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;align-items:center;gap:12px;
      font-weight:800;letter-spacing:.2px;color:#fff;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        radial-gradient(circle at 35% 25%, #fff 0 7%, transparent 8%),
        linear-gradient(135deg,rgba(84,228,255,.95),rgba(77,141,255,.84) 48%,rgba(157,104,255,.88));
      box-shadow:0 0 28px rgba(84,228,255,.32), inset 0 1px 0 rgba(255,255,255,.45);
      position:relative;overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;left:8px;right:8px;height:2px;border-radius:999px;
      background:rgba(255,255,255,.75);box-shadow:0 6px 0 rgba(255,255,255,.46),0 12px 0 rgba(255,255,255,.26);
      top:13px;transform:skewY(-10deg);
    }
    .brand-mark:after{left:14px;right:14px;top:9px;transform:rotate(90deg);opacity:.5}
    .brand-text{display:flex;flex-direction:column;line-height:1.12}
    .brand-name{font-size:18px}
    .brand-sub{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:1.8px;margin-top:3px}
    .desktop-nav{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}
    .nav-link{
      position:relative;
      display:inline-flex;align-items:center;
      min-height:42px;padding:0 17px;border-radius:999px;
      color:#c9d7ec;font-size:15px;font-weight:700;
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
    .nav-link.active{
      color:#fff;background:linear-gradient(135deg,rgba(84,228,255,.16),rgba(157,104,255,.16));
      border:1px solid rgba(84,228,255,.28);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 0 22px rgba(84,228,255,.12);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .status-badge,.badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      font-size:12px;font-weight:800;color:#dff9ff;
      background:rgba(84,228,255,.09);
      border:1px solid rgba(84,228,255,.26);
      white-space:nowrap;
    }
    .status-dot{
      width:7px;height:7px;border-radius:50%;background:var(--cyan);
      box-shadow:0 0 12px var(--cyan);
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;
      border:1px solid transparent;cursor:pointer;
      font-weight:800;font-size:15px;letter-spacing:.1px;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease,color .22s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{
      color:#04101e;
      background:linear-gradient(135deg,#71f0ff 0%,#6ca1ff 45%,#b388ff 100%);
      box-shadow:0 12px 34px rgba(84,228,255,.28), inset 0 1px 0 rgba(255,255,255,.5);
    }
    .btn-primary:hover{box-shadow:0 18px 44px rgba(84,228,255,.36),0 0 22px rgba(157,104,255,.22)}
    .btn-ghost{
      color:#eef7ff;background:rgba(255,255,255,.055);
      border-color:rgba(184,221,255,.25);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .btn-ghost:hover{border-color:rgba(84,228,255,.6);background:rgba(84,228,255,.1);box-shadow:var(--glow)}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(255,198,109,.85);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;width:46px;height:46px;border:1px solid rgba(142,208,255,.25);
      border-radius:14px;background:rgba(255,255,255,.06);color:#fff;
      align-items:center;justify-content:center;cursor:pointer;
    }
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      display:block;width:20px;height:2px;background:#fff;border-radius:99px;content:"";position:relative;
    }
    .mobile-toggle span:before{position:absolute;top:-7px}
    .mobile-toggle span:after{position:absolute;top:7px}
    .mobile-menu{
      display:none;padding:0 0 18px;
      border-top:1px solid rgba(142,208,255,.12);
    }
    .mobile-menu a{display:flex;margin-top:10px;padding:13px 14px;border-radius:14px;background:rgba(255,255,255,.045);color:#dce9fb;font-weight:800}
    .mobile-menu a.active{background:rgba(84,228,255,.13);border:1px solid rgba(84,228,255,.28);color:#fff}
    .hero{
      position:relative;
      padding:86px 0 72px;
      min-height:680px;
      display:flex;align-items:center;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 70% 26%,rgba(84,228,255,.14),transparent 28%),
        radial-gradient(circle at 38% 72%,rgba(157,104,255,.12),transparent 25%);
      pointer-events:none;
    }
    .hero-grid{position:relative;z-index:1;align-items:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      color:#dff9ff;font-weight:800;font-size:13px;
      padding:8px 12px;border-radius:999px;
      background:linear-gradient(135deg,rgba(84,228,255,.12),rgba(157,104,255,.1));
      border:1px solid rgba(84,228,255,.28);
      margin-bottom:22px;
    }
    .eyebrow:before{
      content:"";width:18px;height:10px;border-radius:99px;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
      box-shadow:0 0 18px rgba(84,228,255,.42);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(38px,5.2vw,64px);
      line-height:1.1;
      letter-spacing:-.8px;
      margin-bottom:22px;
      color:#fff;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#77efff 45%,#b99aff 78%,#ffd28a 100%);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .hero-lead{
      max-width:650px;
      color:#c3d1e7;font-size:18px;line-height:1.88;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
    .trust-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 11px;border-radius:999px;
      color:#cfe1f6;font-size:13px;font-weight:700;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.055);
    }
    .tag i{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 12px rgba(255,198,109,.5)}
    .dashboard{
      position:relative;
      padding:24px;
      border-radius:34px;
      background:linear-gradient(180deg,rgba(17,38,70,.76),rgba(9,22,42,.78));
      border:1px solid rgba(142,208,255,.26);
      box-shadow:var(--shadow),var(--glow-purple),inset 0 1px 0 rgba(255,255,255,.12);
      backdrop-filter:blur(20px);
      overflow:hidden;
    }
    .dashboard:before{
      content:"";position:absolute;inset:-2px;
      background:radial-gradient(circle at 30% 10%,rgba(84,228,255,.23),transparent 28%),
        radial-gradient(circle at 90% 20%,rgba(255,198,109,.13),transparent 22%);
      pointer-events:none;
    }
    .dash-top,.dash-card,.wave-panel{position:relative;z-index:1}
    .dash-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .dash-title{font-size:15px;font-weight:900;color:#fff}
    .dash-chip{font-size:12px;padding:6px 10px;border-radius:99px;color:#061120;background:linear-gradient(90deg,#72eeff,#ffd28a);font-weight:900}
    .stage-screen{
      position:relative;height:210px;border-radius:24px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.025)),
        radial-gradient(circle at 50% 24%,rgba(84,228,255,.25),transparent 30%),
        linear-gradient(135deg,rgba(77,141,255,.28),rgba(157,104,255,.18));
      border:1px solid rgba(255,255,255,.14);
      overflow:hidden;margin-bottom:16px;
    }
    .stage-screen:before{
      content:"";position:absolute;left:50%;top:-30px;width:300px;height:260px;transform:translateX(-50%);
      background:conic-gradient(from 210deg,transparent,rgba(84,228,255,.28),transparent,rgba(157,104,255,.22),transparent);
      filter:blur(4px);opacity:.85;
    }
    .stage-bars{position:absolute;inset:auto 24px 24px;display:flex;align-items:end;gap:8px;height:88px}
    .stage-bars span{flex:1;border-radius:9px 9px 3px 3px;background:linear-gradient(180deg,#75efff,#6a86ff 56%,rgba(157,104,255,.65));box-shadow:0 0 18px rgba(84,228,255,.22)}
    .stage-bars span:nth-child(1){height:42%}.stage-bars span:nth-child(2){height:78%}.stage-bars span:nth-child(3){height:55%}.stage-bars span:nth-child(4){height:92%}.stage-bars span:nth-child(5){height:62%}.stage-bars span:nth-child(6){height:84%}.stage-bars span:nth-child(7){height:48%}
    .dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
    .dash-card{
      padding:16px;border-radius:20px;background:rgba(4,13,27,.56);
      border:1px solid rgba(142,208,255,.18);
    }
    .dash-card strong{display:block;font-size:26px;line-height:1;color:#fff;margin-bottom:7px}
    .dash-card span{color:var(--muted);font-size:13px}
    .wave-panel{
      padding:16px;border-radius:20px;background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.12);
    }
    .wave-line{height:42px;background:
      linear-gradient(90deg,transparent,rgba(84,228,255,.35),transparent),
      repeating-linear-gradient(90deg,rgba(84,228,255,.28) 0 3px,transparent 3px 12px);
      border-radius:14px;mask-image:linear-gradient(180deg,transparent 0,#000 28%,#000 72%,transparent 100%);
    }
    .section{padding:92px 0;position:relative}
    .section-tight{padding-top:62px}
    .section-head{max-width:760px;margin-bottom:38px}
    .section-kicker{
      display:inline-flex;margin-bottom:10px;color:var(--cyan);font-weight:900;font-size:13px;letter-spacing:1.5px;
    }
    h2{font-size:clamp(30px,3.5vw,42px);line-height:1.18;color:#fff;margin-bottom:14px;letter-spacing:-.35px}
    .section-desc{color:#b9c8dd;font-size:16px;line-height:1.85;margin-bottom:0}
    .glass-card{
      position:relative;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(18,40,73,.7),rgba(9,22,42,.62));
      border:1px solid rgba(142,208,255,.2);
      box-shadow:0 18px 54px rgba(0,0,0,.24),inset 0 1px 0 rgba(255,255,255,.08);
      backdrop-filter:blur(16px);
      overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:rgba(84,228,255,.45);
      box-shadow:0 26px 70px rgba(0,0,0,.3),0 0 30px rgba(84,228,255,.16);
      background:linear-gradient(180deg,rgba(24,51,91,.78),rgba(10,24,46,.68));
    }
    .capability-layout{align-items:stretch}
    .cap-main{padding:34px;min-height:100%}
    .cap-main:after{
      content:"";position:absolute;right:-80px;top:-80px;width:230px;height:230px;border-radius:50%;
      background:radial-gradient(circle,rgba(84,228,255,.25),transparent 68%);
    }
    .cap-icon{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(84,228,255,.2),rgba(157,104,255,.18));
      border:1px solid rgba(84,228,255,.25);
      margin-bottom:22px;
      color:#fff;font-weight:900;
    }
    .cap-main h3,.mini-card h3,.case-card h3,.path-card h3{font-size:23px;line-height:1.28;color:#fff;margin-bottom:12px}
    .cap-main p,.mini-card p,.case-card p,.path-card p{color:#b6c5da;margin-bottom:18px;line-height:1.72}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;height:100%}
    .mini-card{padding:24px;border-radius:24px}
    .mini-num{
      display:inline-flex;align-items:center;justify-content:center;
      width:36px;height:36px;border-radius:13px;
      color:#061120;background:linear-gradient(135deg,#76efff,#b99aff);
      font-weight:950;margin-bottom:18px;
    }
    .stats-band{
      padding:28px;border-radius:32px;
      background:linear-gradient(90deg,rgba(84,228,255,.09),rgba(157,104,255,.09),rgba(255,198,109,.06));
      border:1px solid rgba(142,208,255,.22);
      box-shadow:var(--shadow);
    }
    .stat-item{padding:16px 22px;position:relative}
    .stat-item:not(:last-child){border-right:1px solid rgba(255,255,255,.12)}
    .stat-num{
      display:block;font-size:clamp(34px,4vw,52px);line-height:1;font-weight:950;
      background:linear-gradient(90deg,#7af0ff,#bda0ff,#ffd28a);
      -webkit-background-clip:text;background-clip:text;color:transparent;
      margin-bottom:10px;
    }
    .stat-label{font-weight:900;color:#fff;margin-bottom:5px}
    .stat-note{color:var(--muted);font-size:14px;line-height:1.65}
    .case-layout{align-items:stretch}
    .case-feature{padding:34px;min-height:440px;display:flex;flex-direction:column;justify-content:space-between}
    .mockup{
      border-radius:26px;border:1px solid rgba(255,255,255,.14);
      background:rgba(3,10,22,.48);padding:18px;margin-bottom:22px;
    }
    .mock-row{height:13px;border-radius:99px;background:rgba(255,255,255,.12);margin-bottom:12px;overflow:hidden}
    .mock-row span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--purple))}
    .mock-row:nth-child(1) span{width:68%}.mock-row:nth-child(2) span{width:88%}.mock-row:nth-child(3) span{width:52%}
    .mock-tiles{display:grid;grid-template-columns:1.2fr .8fr;gap:12px;margin-top:18px}
    .mock-tile{height:110px;border-radius:18px;background:linear-gradient(135deg,rgba(84,228,255,.14),rgba(157,104,255,.16));border:1px solid rgba(142,208,255,.13)}
    .case-list{display:grid;gap:16px;height:100%}
    .case-card{padding:24px;border-radius:24px}
    .case-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .small-link{color:#8eeeff;font-weight:900;font-size:14px}
    .small-link:hover{color:#ffd28a}
    .path-wrap{position:relative}
    .path-wrap:before{
      content:"";position:absolute;left:9%;right:9%;top:54px;height:1px;
      background:linear-gradient(90deg,transparent,rgba(84,228,255,.56),rgba(157,104,255,.5),transparent);
    }
    .path-card{padding:26px;border-radius:26px;min-height:100%;position:relative}
    .path-step{
      width:56px;height:56px;border-radius:20px;
      display:grid;place-items:center;font-weight:950;color:#061120;
      background:linear-gradient(135deg,#7af0ff,#ffd28a);
      box-shadow:0 0 26px rgba(84,228,255,.25);
      margin-bottom:20px;position:relative;z-index:1;
    }
    .output-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .output-list span{
      font-size:12px;color:#dcecff;padding:6px 9px;border-radius:99px;
      background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
    }
    .solution-cta{margin-top:28px;text-align:center}
    .faq-panel{
      border-radius:32px;padding:14px;
      background:linear-gradient(180deg,rgba(17,38,70,.76),rgba(8,20,39,.72));
      border:1px solid rgba(142,208,255,.22);
      box-shadow:var(--shadow);
    }
    .accordion{background:transparent;margin:0}
    .accordion-item{border-bottom:1px solid rgba(255,255,255,.1)}
    .accordion-item:last-child{border-bottom:none}
    .accordion-title{
      border:0!important;background:transparent!important;color:#fff!important;
      font-size:17px;font-weight:900;line-height:1.5;padding:20px 48px 20px 20px;
    }
    .accordion-title:hover,.accordion-title:focus{background:rgba(255,255,255,.055)!important;color:#8eeeff!important}
    .accordion-title:before{color:var(--cyan);font-size:22px;margin-top:-12px}
    .accordion-content{
      border:0!important;background:rgba(255,255,255,.035)!important;color:#b9c8dd!important;
      padding:0 20px 20px 20px;line-height:1.78;
    }
    .cta-panel{
      position:relative;overflow:hidden;
      border-radius:36px;padding:42px;
      background:
        radial-gradient(circle at 76% 18%,rgba(84,228,255,.18),transparent 34%),
        linear-gradient(135deg,rgba(18,40,73,.86),rgba(12,24,48,.8));
      border:1px solid rgba(142,208,255,.28);
      box-shadow:var(--shadow),0 0 46px rgba(84,228,255,.12);
    }
    .cta-panel:before{
      content:"";position:absolute;right:-80px;bottom:-100px;width:360px;height:360px;border-radius:50%;
      background:radial-gradient(circle,rgba(157,104,255,.18),transparent 70%);
    }
    .contact-form{position:relative;z-index:1}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{margin-bottom:14px}
    .field label{display:block;color:#dcecff;font-size:13px;font-weight:900;margin-bottom:7px}
    .field input,.field select,.field textarea{
      width:100%;border-radius:16px;border:1px solid rgba(142,208,255,.22);
      background:rgba(3,10,22,.46);padding:13px 14px;
      min-height:48px;color:#fff;outline:none;
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#72849e}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(84,228,255,.72);
      box-shadow:0 0 0 4px rgba(84,228,255,.1);
      background:rgba(6,17,34,.72);
    }
    .site-footer{
      margin-top:74px;padding:42px 0 28px;
      background:linear-gradient(180deg,rgba(3,8,19,.2),rgba(2,6,14,.9));
      border-top:1px solid rgba(84,228,255,.22);
      position:relative;
    }
    .site-footer:before{
      content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
      background:linear-gradient(90deg,transparent,rgba(84,228,255,.75),rgba(157,104,255,.48),transparent);
    }
    .footer-grid{align-items:flex-start}
    .footer-brand p{color:#aebdd3;max-width:420px;margin:14px 0 0;line-height:1.75}
    .footer-title{font-size:14px;color:#fff;font-weight:950;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#aebdd3;font-size:14px}
    .footer-links a:hover{color:#8eeeff;transform:translateX(3px)}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
      color:#7f8fa8;font-size:13px;
    }
    @media (max-width:1024px){
      .site-container{width:min(100% - 32px,var(--container))}
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:flex}
      .mobile-menu.is-open{display:block}
      .hero{padding:70px 0 58px;min-height:auto}
      .dashboard{margin-top:34px}
      .section{padding:72px 0}
      .mini-grid{grid-template-columns:1fr}
      .path-wrap:before{display:none}
      .stat-item:not(:last-child){border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}
    }
    @media (max-width:768px){
      .brand-name{font-size:16px}
      .brand-sub{display:none}
      h1{letter-spacing:-.35px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .dash-grid,.form-grid,.mock-tiles{grid-template-columns:1fr}
      .section-head{margin-bottom:26px}
      .cap-main,.case-feature,.cta-panel{padding:24px}
      .mini-card,.case-card,.path-card{padding:22px}
      .stats-band{padding:12px}
      .stat-item{padding:18px 14px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px,var(--container))}
      .nav-wrap{min-height:68px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero{padding:48px 0 44px}
      .trust-tags,.tag-row{gap:8px}
      .tag{font-size:12px}
      .dashboard{padding:16px;border-radius:26px}
      .stage-screen{height:170px;border-radius:20px}
      .section{padding:58px 0}
      .cta-panel{border-radius:28px}
      .btn{min-height:45px;padding:0 16px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
      .btn:hover,.glass-card:hover{transform:none}
    }

/* roulang page: category1 */
:root{
      --bg-0:#050913;
      --bg-1:#081427;
      --bg-2:#0e1f3a;
      --panel:rgba(14,31,58,.68);
      --panel-strong:rgba(18,40,76,.82);
      --glass:rgba(255,255,255,.075);
      --glass-2:rgba(0,214,255,.08);
      --text:#f5f9ff;
      --muted:#b7c6da;
      --soft:#8092ac;
      --line:rgba(151,213,255,.18);
      --line-strong:rgba(95,224,255,.42);
      --cyan:#3fe5ff;
      --cyan-2:#76f0ff;
      --purple:#8b5cff;
      --amber:#ffb45f;
      --danger:#ff6f9b;
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:30px;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --glow:0 0 34px rgba(63,229,255,.26);
      --glow-purple:0 0 40px rgba(139,92,255,.26);
      --container:1200px;
      --header-h:82px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{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 18% 8%, rgba(63,229,255,.16), transparent 34%),
        radial-gradient(circle at 82% 18%, rgba(139,92,255,.18), transparent 32%),
        radial-gradient(circle at 48% 88%, rgba(255,180,95,.08), transparent 28%),
        linear-gradient(180deg,var(--bg-0) 0%, #07101f 42%, #050913 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      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:52px 52px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.72), transparent 90%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20% -10%;
      pointer-events:none;
      z-index:-1;
      background:
        conic-gradient(from 220deg at 50% 20%, transparent 0 18%, rgba(63,229,255,.06) 22%, transparent 30% 52%, rgba(139,92,255,.07) 58%, transparent 68% 100%);
      filter:blur(2px);
      opacity:.88;
    }
    a{color:inherit;text-decoration:none;transition:color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease)}
    a:hover{color:var(--cyan)}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(63,229,255,.7);outline-offset:3px;border-radius:10px}
    .site-container{
      width:min(calc(100% - 40px), var(--container));
      margin-inline:auto;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section.compact{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(63,229,255,.22);
      border-radius:999px;
      background:rgba(63,229,255,.08);
      color:var(--cyan-2);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 18px rgba(255,180,95,.8);
    }
    .section-head{
      max-width:780px;
      margin-bottom:34px;
    }
    .section-title{
      margin:14px 0 12px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      font-size:16px;
      max-width:690px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      padding:16px 0;
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      background:linear-gradient(180deg,rgba(5,9,19,.86),rgba(5,9,19,.58));
      border-bottom:1px solid rgba(151,213,255,.14);
    }
    .nav-wrap{
      min-height:56px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:10px 12px;
      border:1px solid rgba(151,213,255,.16);
      background:rgba(8,20,39,.62);
      border-radius:22px;
      box-shadow:0 18px 50px rgba(0,0,0,.22);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      position:relative;
      background:
        radial-gradient(circle at 68% 32%, #fff 0 8%, transparent 9%),
        linear-gradient(135deg,var(--cyan),var(--purple) 62%,var(--amber));
      box-shadow:0 0 28px rgba(63,229,255,.3);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      inset:9px 7px;
      border-top:2px solid rgba(5,9,19,.72);
      border-bottom:2px solid rgba(5,9,19,.72);
      transform:skewY(-18deg);
    }
    .brand-mark:after{
      inset:15px 12px;
      border-color:rgba(255,255,255,.55);
      opacity:.75;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.05}
    .brand-name{font-size:18px;font-weight:900;color:var(--text);letter-spacing:-.01em}
    .brand-sub{margin-top:4px;font-size:10px;font-weight:800;color:var(--cyan-2);letter-spacing:.18em}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:4px;
      border:1px solid rgba(151,213,255,.10);
      border-radius:999px;
      background:rgba(255,255,255,.04);
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 17px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .nav-link:hover{
      background:rgba(63,229,255,.08);
      color:var(--text);
    }
    .nav-link.active{
      color:#07101f;
      background:linear-gradient(135deg,var(--cyan-2),#b8f7ff);
      box-shadow:0 0 20px rgba(63,229,255,.22);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(255,180,95,.24);
      background:rgba(255,180,95,.08);
      white-space:nowrap;
    }
    .status-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 16px rgba(255,180,95,.9);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 20px;
      border:1px solid transparent;
      border-radius:999px;
      font-weight:900;
      font-size:14px;
      line-height:1;
      white-space:nowrap;
      user-select:none;
    }
    .btn-primary{
      color:#04101f;
      background:linear-gradient(135deg,var(--cyan-2),#55d7ff 42%,var(--purple));
      box-shadow:0 0 24px rgba(63,229,255,.28), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .btn-primary:hover{
      color:#03101c;
      transform:translateY(-2px);
      box-shadow:0 0 34px rgba(63,229,255,.42), 0 12px 28px rgba(0,0,0,.28);
    }
    .btn-ghost{
      color:var(--text);
      border-color:rgba(151,213,255,.22);
      background:rgba(255,255,255,.06);
    }
    .btn-ghost:hover{
      color:var(--cyan-2);
      border-color:rgba(63,229,255,.46);
      background:rgba(63,229,255,.10);
      transform:translateY(-2px);
    }
    .mobile-toggle{
      display:none;
      width:46px;height:44px;
      border:1px solid rgba(151,213,255,.2);
      border-radius:14px;
      background:rgba(255,255,255,.06);
      position:relative;
    }
    .mobile-toggle span,.mobile-toggle span:before,.mobile-toggle span:after{
      position:absolute;
      left:12px;
      right:12px;
      height:2px;
      background:var(--text);
      border-radius:2px;
      content:"";
      transition:transform .22s var(--ease), top .22s var(--ease), opacity .22s var(--ease);
    }
    .mobile-toggle span{top:21px}
    .mobile-toggle span:before{left:0;right:0;top:-7px}
    .mobile-toggle span:after{left:0;right:0;top:7px}
    .mobile-toggle.is-open span{background:transparent}
    .mobile-toggle.is-open span:before{top:0;transform:rotate(45deg)}
    .mobile-toggle.is-open span:after{top:0;transform:rotate(-45deg)}
    .mobile-menu{
      display:none;
      margin-top:10px;
      padding:10px;
      border:1px solid rgba(151,213,255,.16);
      background:rgba(8,20,39,.92);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .mobile-menu a{
      display:flex;
      min-height:46px;
      align-items:center;
      padding:0 14px;
      border-radius:14px;
      color:var(--muted);
      font-weight:800;
    }
    .mobile-menu a:hover,.mobile-menu a.active{
      color:var(--text);
      background:rgba(63,229,255,.10);
    }

    .category-hero{
      padding:74px 0 44px;
      position:relative;
      overflow:hidden;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      width:620px;height:360px;
      right:-160px;top:10px;
      background:radial-gradient(circle, rgba(139,92,255,.24), transparent 62%);
      filter:blur(12px);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin:0 0 22px;
      color:var(--soft);
      font-size:14px;
      font-weight:700;
    }
    .breadcrumb a{color:var(--muted)}
    .breadcrumb a:hover{color:var(--cyan)}
    .hero-panel{
      position:relative;
      padding:42px;
      border:1px solid rgba(151,213,255,.18);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(14,31,58,.82), rgba(8,20,39,.64)),
        radial-gradient(circle at 80% 15%, rgba(63,229,255,.14), transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      inset:auto 36px 0 36px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      opacity:.7;
    }
    h1{
      margin:16px 0 16px;
      max-width:760px;
      font-size:clamp(34px,5.4vw,58px);
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.035em;
    }
    .hero-lead{
      max-width:760px;
      margin:0;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
    }
    .signal-board{
      height:100%;
      min-height:290px;
      position:relative;
      padding:24px;
      border-radius:26px;
      border:1px solid rgba(151,213,255,.18);
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(16px);
      box-shadow:var(--glow-purple);
      overflow:hidden;
    }
    .signal-board:before{
      content:"";
      position:absolute;
      inset:-80px -60px auto auto;
      width:210px;height:210px;
      border-radius:50%;
      background:rgba(63,229,255,.18);
      filter:blur(4px);
    }
    .board-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:18px;
      font-weight:900;
    }
    .board-title span:last-child{
      font-size:12px;
      color:var(--amber);
      border:1px solid rgba(255,180,95,.28);
      border-radius:999px;
      padding:5px 9px;
      background:rgba(255,180,95,.08);
    }
    .wave{
      height:82px;
      display:flex;
      align-items:center;
      gap:7px;
      margin:22px 0;
    }
    .wave i{
      display:block;
      flex:1;
      min-width:5px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--cyan),var(--purple));
      box-shadow:0 0 18px rgba(63,229,255,.26);
      opacity:.82;
    }
    .wave i:nth-child(1){height:22%}.wave i:nth-child(2){height:45%}.wave i:nth-child(3){height:72%}.wave i:nth-child(4){height:38%}.wave i:nth-child(5){height:90%}.wave i:nth-child(6){height:55%}.wave i:nth-child(7){height:28%}.wave i:nth-child(8){height:66%}.wave i:nth-child(9){height:42%}.wave i:nth-child(10){height:78%}.wave i:nth-child(11){height:34%}
    .board-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .board-item{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      border:1px solid rgba(151,213,255,.14);
      background:rgba(5,9,19,.32);
      color:var(--muted);
      font-size:14px;
    }
    .board-item strong{color:var(--text)}

    .tags-panel{
      margin-top:28px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(151,213,255,.18);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .tag.hot{
      color:#ffe1ba;
      border-color:rgba(255,180,95,.32);
      background:rgba(255,180,95,.08);
    }

    .glass-card{
      position:relative;
      border:1px solid rgba(151,213,255,.17);
      border-radius:var(--radius-md);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.045));
      box-shadow:0 18px 44px rgba(0,0,0,.22);
      overflow:hidden;
      transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:rgba(63,229,255,.36);
      background:linear-gradient(180deg,rgba(63,229,255,.095),rgba(255,255,255,.055));
      box-shadow:0 22px 54px rgba(0,0,0,.34), var(--glow);
    }

    .filter-layout{
      align-items:flex-start;
    }
    .filter-sidebar{
      position:sticky;
      top:118px;
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(151,213,255,.16);
      background:rgba(8,20,39,.70);
      backdrop-filter:blur(16px);
    }
    .filter-title{
      margin:0 0 14px;
      font-size:16px;
      font-weight:950;
    }
    .filter-nav{
      display:grid;
      gap:9px;
    }
    .filter-pill{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 13px;
      border-radius:15px;
      border:1px solid rgba(151,213,255,.12);
      background:rgba(255,255,255,.045);
      color:var(--muted);
      font-weight:800;
      font-size:14px;
    }
    .filter-pill:hover,.filter-pill.is-selected{
      color:var(--text);
      border-color:rgba(63,229,255,.34);
      background:rgba(63,229,255,.10);
    }
    .filter-pill em{
      font-style:normal;
      color:var(--cyan);
      font-size:12px;
    }
    .quick-note{
      margin-top:18px;
      padding:15px;
      border-radius:18px;
      background:rgba(255,180,95,.08);
      border:1px solid rgba(255,180,95,.22);
      color:#ffd9ab;
      font-size:13px;
      line-height:1.65;
    }

    .feature-card{
      padding:28px;
      margin-bottom:22px;
      border-radius:28px;
      background:
        radial-gradient(circle at 88% 16%, rgba(63,229,255,.16), transparent 28%),
        linear-gradient(135deg,rgba(18,40,76,.82),rgba(14,31,58,.54));
      border:1px solid rgba(151,213,255,.18);
      box-shadow:var(--shadow);
    }
    .feature-card h2{
      margin:12px 0 12px;
      font-size:clamp(26px,3.2vw,36px);
      line-height:1.22;
      font-weight:950;
    }
    .feature-card p{
      color:var(--muted);
      margin:0 0 20px;
      max-width:760px;
    }
    .feature-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .mini-screen{
      min-height:215px;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(151,213,255,.16);
      background:rgba(5,9,19,.34);
      overflow:hidden;
    }
    .screen-row{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:13px;
    }
    .screen-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px rgba(63,229,255,.75)}
    .screen-line{
      height:10px;
      border-radius:999px;
      background:linear-gradient(90deg,rgba(63,229,255,.8),rgba(139,92,255,.42),transparent);
    }
    .screen-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:20px;
    }
    .screen-tile{
      min-height:58px;
      border:1px solid rgba(151,213,255,.12);
      border-radius:15px;
      background:rgba(255,255,255,.045);
    }

    .content-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .content-card{
      padding:22px;
      min-height:230px;
      display:flex;
      flex-direction:column;
    }
    .card-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:14px;
    }
    .card-label{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      color:var(--cyan-2);
      background:rgba(63,229,255,.09);
      border:1px solid rgba(63,229,255,.18);
      font-size:12px;
      font-weight:900;
    }
    .card-date{
      color:var(--soft);
      font-size:12px;
      white-space:nowrap;
    }
    .content-card h3{
      margin:0 0 10px;
      font-size:20px;
      line-height:1.35;
      font-weight:950;
    }
    .content-card p{
      margin:0;
      color:var(--muted);
      font-size:14.5px;
      line-height:1.75;
    }
    .card-points{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
      color:var(--muted);
      font-size:13.5px;
    }
    .card-points li{
      position:relative;
      padding-left:18px;
    }
    .card-points li:before{
      content:"";
      position:absolute;
      left:0;top:.72em;
      width:7px;height:7px;border-radius:50%;
      background:var(--purple);
      box-shadow:0 0 10px rgba(139,92,255,.6);
    }
    .card-foot{
      margin-top:auto;
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:var(--soft);
      font-size:13px;
      border-top:1px solid rgba(151,213,255,.10);
    }
    .text-link{
      color:var(--cyan-2);
      font-weight:900;
    }
    .text-link:hover{color:#fff}

    .compare-wrap{
      border-radius:28px;
      border:1px solid rgba(151,213,255,.17);
      background:rgba(8,20,39,.68);
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .compare-head,.compare-row{
      display:grid;
      grid-template-columns:1.1fr 1.35fr 1.25fr 1fr;
      gap:0;
    }
    .compare-head{
      background:linear-gradient(90deg,rgba(63,229,255,.12),rgba(139,92,255,.10));
      color:var(--text);
      font-weight:950;
    }
    .compare-head div,.compare-row div{
      padding:18px;
      border-right:1px solid rgba(151,213,255,.11);
    }
    .compare-head div:last-child,.compare-row div:last-child{border-right:0}
    .compare-row{
      border-top:1px solid rgba(151,213,255,.11);
      color:var(--muted);
      font-size:14px;
    }
    .compare-row strong{color:var(--text)}
    .compare-row:hover{
      background:rgba(63,229,255,.055);
    }

    .step-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:30px;
    }
    .step-card{
      padding:22px;
    }
    .step-num{
      width:38px;height:38px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      color:#06111e;
      font-weight:950;
      margin-bottom:14px;
      box-shadow:var(--glow);
    }
    .step-card h3{
      margin:0 0 8px;
      font-size:19px;
      font-weight:950;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }

    .faq-shell{
      border-radius:30px;
      border:1px solid rgba(151,213,255,.16);
      background:linear-gradient(180deg,rgba(14,31,58,.72),rgba(8,20,39,.58));
      padding:12px;
      box-shadow:var(--shadow);
    }
    .accordion{
      margin:0;
      background:transparent;
    }
    .accordion-item{
      border:1px solid rgba(151,213,255,.12);
      background:rgba(255,255,255,.045);
      border-radius:18px;
      overflow:hidden;
      margin:10px;
    }
    .accordion-title{
      padding:18px 48px 18px 20px;
      border:0;
      color:var(--text);
      font-size:16px;
      font-weight:950;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(63,229,255,.075);
      color:var(--cyan-2);
    }
    .accordion-title:before{
      right:20px;
      color:var(--cyan);
      font-size:20px;
      margin-top:-11px;
    }
    .accordion-content{
      border:0;
      background:rgba(5,9,19,.24);
      color:var(--muted);
      padding:0 20px 20px;
      line-height:1.75;
    }

    .contact-panel{
      position:relative;
      overflow:hidden;
      padding:34px;
      border-radius:32px;
      border:1px solid rgba(63,229,255,.28);
      background:
        radial-gradient(circle at 12% 16%, rgba(63,229,255,.16), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(139,92,255,.18), transparent 28%),
        linear-gradient(135deg,rgba(14,31,58,.88),rgba(8,20,39,.76));
      box-shadow:0 0 46px rgba(63,229,255,.18), var(--shadow);
    }
    .contact-panel h2{
      margin:12px 0 12px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      font-weight:950;
    }
    .contact-panel p{
      color:var(--muted);
      margin:0 0 22px;
      max-width:620px;
    }
    .contact-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:10px;
      color:var(--muted);
    }
    .contact-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .contact-list li:before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      margin-top:10px;
      flex:0 0 auto;
      background:var(--cyan);
      box-shadow:0 0 12px rgba(63,229,255,.72);
    }
    .contact-form{
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(151,213,255,.16);
      background:rgba(5,9,19,.36);
    }
    .form-row{margin-bottom:14px}
    .contact-form label{
      display:block;
      margin-bottom:7px;
      color:var(--muted);
      font-size:13px;
      font-weight:900;
    }
    .contact-form input,.contact-form textarea,.contact-form select{
      width:100%;
      min-height:46px;
      border:1px solid rgba(151,213,255,.18);
      border-radius:14px;
      background:rgba(255,255,255,.065);
      color:var(--text);
      padding:11px 13px;
      box-shadow:none;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }
    .contact-form textarea{min-height:108px;resize:vertical}
    .contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(183,198,218,.62)}
    .contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
      border-color:rgba(63,229,255,.55);
      background:rgba(63,229,255,.07);
      box-shadow:0 0 0 3px rgba(63,229,255,.12);
      outline:0;
    }
    .contact-form select option{background:#081427;color:#fff}
    .form-tip{
      margin:12px 0 0;
      color:var(--soft);
      font-size:12px;
      line-height:1.6;
    }

    .site-footer{
      position:relative;
      padding:60px 0 30px;
      background:linear-gradient(180deg,rgba(5,9,19,.2),rgba(2,5,12,.96));
      border-top:1px solid rgba(151,213,255,.14);
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:0;left:0;right:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);
      opacity:.72;
    }
    .footer-grid{row-gap:30px}
    .footer-brand p{
      max-width:520px;
      margin:18px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .footer-title{
      color:var(--text);
      font-size:15px;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--cyan-2);
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(151,213,255,.12);
      color:var(--soft);
      font-size:13px;
    }

    @media (max-width:1024px){
      .site-container{width:min(calc(100% - 32px), var(--container))}
      .desktop-nav,.nav-actions .status-badge{display:none}
      .mobile-toggle{display:block}
      .mobile-menu.is-open{display:grid}
      .hero-panel{padding:30px}
      .filter-sidebar{position:relative;top:auto;margin-bottom:20px}
      .step-strip{grid-template-columns:repeat(2,1fr)}
      .compare-head,.compare-row{grid-template-columns:1fr 1fr}
      .compare-head div:nth-child(n+3),.compare-row div:nth-child(n+3){border-top:1px solid rgba(151,213,255,.11)}
    }
    @media (max-width:760px){
      .section{padding:68px 0}
      .section.compact{padding:54px 0}
      .category-hero{padding:42px 0 28px}
      .hero-panel{padding:24px;border-radius:24px}
      .hero-lead{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .signal-board{margin-top:24px;min-height:240px}
      .content-grid{grid-template-columns:1fr}
      .step-strip{grid-template-columns:1fr}
      .compare-head{display:none}
      .compare-row{
        display:block;
        padding:14px 0;
      }
      .compare-row div{
        border-right:0;
        padding:8px 18px;
      }
      .compare-row div:before{
        display:block;
        color:var(--cyan-2);
        font-size:12px;
        font-weight:950;
        margin-bottom:2px;
      }
      .compare-row div:nth-child(1):before{content:"需求类型"}
      .compare-row div:nth-child(2):before{content:"适合内容"}
      .compare-row div:nth-child(3):before{content:"推荐模块"}
      .compare-row div:nth-child(4):before{content:"交付节奏"}
      .contact-panel{padding:24px}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .site-container{width:min(calc(100% - 24px), var(--container))}
      .nav-wrap{border-radius:18px}
      .brand-name{font-size:16px}
      .brand-mark{width:36px;height:36px;border-radius:12px}
      .btn{min-height:44px;padding:0 16px}
      .nav-actions{display:none}
      .hero-panel{padding:20px}
      h1{font-size:36px}
      .section-title{font-size:28px}
      .feature-card{padding:22px}
      .content-card{padding:20px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{
        animation-duration:.001ms!important;
        animation-iteration-count:1!important;
        scroll-behavior:auto!important;
        transition:none!important;
      }
    }