/* roulang page: index */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --primary-soft:#eef6ff;
      --accent:#ef4444;
      --accent-soft:#fff1f2;
      --ink:#0f172a;
      --muted:#64748b;
      --light:#f8fafc;
      --panel:#ffffff;
      --line:#dbe4f0;
      --line-soft:#eef2f7;
      --success:#16a34a;
      --warning:#f59e0b;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow-sm:0 10px 28px rgba(15,23,42,.07);
      --shadow-md:0 20px 55px rgba(37,99,235,.13);
      --shadow-card:0 18px 45px rgba(15,23,42,.09);
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 0%, rgba(37,99,235,.08), transparent 32%),
        linear-gradient(180deg,#ffffff 0%,#f7fbff 42%,#ffffff 100%);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.72;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }

    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(37,99,235,.18);color:#0f172a}

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

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(170%) blur(18px);
      background:rgba(255,255,255,.86);
      border-bottom:1px solid rgba(219,228,240,.78);
      box-shadow:0 8px 30px rgba(15,23,42,.04);
    }

    .nav-shell{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.02em;
      color:#0b1b3a;
      white-space:nowrap;
    }

    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg, var(--primary) 0%, #60a5fa 70%),
        var(--primary);
      box-shadow:0 12px 28px rgba(37,99,235,.28);
      position:relative;
      overflow:hidden;
    }

    .brand-mark:after{
      content:"";
      position:absolute;
      width:12px;
      height:12px;
      border-radius:50%;
      right:7px;
      top:7px;
      background:#ef4444;
      box-shadow:0 0 0 5px rgba(239,68,68,.18);
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.08;
    }

    .brand-text strong{
      font-size:18px;
    }

    .brand-text span{
      font-size:12px;
      color:var(--muted);
      font-weight:700;
      letter-spacing:.08em;
      margin-top:4px;
    }

    .desktop-nav{
      display:flex;
      align-items:center;
      gap:10px;
      padding:6px;
      border:1px solid var(--line-soft);
      background:rgba(248,250,252,.86);
      border-radius:999px;
    }

    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 18px;
      border-radius:999px;
      color:#334155;
      font-size:14px;
      font-weight:800;
      transition:all .22s ease;
    }

    .nav-link:hover{
      color:var(--primary-dark);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transform:translateY(-1px);
    }

    .nav-link.active{
      color:#fff;
      background:var(--primary);
      box-shadow:0 10px 24px rgba(37,99,235,.23);
    }

    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }

    .nav-cta,
    .btn-primary,
    .btn-secondary,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:0;
      cursor:pointer;
      border-radius:999px;
      font-weight:900;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space:nowrap;
    }

    .nav-cta{
      min-height:46px;
      padding:0 20px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary) 0%,#1e40af 100%);
      box-shadow:0 14px 30px rgba(37,99,235,.25);
      font-size:14px;
    }

    .nav-cta:hover,
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(37,99,235,.32);
    }

    .mobile-menu-btn{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
      transition:all .2s ease;
    }

    .mobile-menu-btn:hover{
      border-color:var(--primary);
      color:var(--primary);
      box-shadow:var(--shadow-sm);
    }

    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }

    .mobile-panel.open{display:block}

    .mobile-panel-inner{
      display:grid;
      gap:10px;
      padding:14px;
      border:1px solid var(--line-soft);
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }

    .section{
      padding:86px 0;
      position:relative;
    }

    .section.compact{padding:66px 0}

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(37,99,235,.16);
      border-radius:999px;
      background:rgba(238,246,255,.86);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:900;
      letter-spacing:.02em;
    }

    .red-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(239,68,68,.12);
      flex:0 0 auto;
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }

    .section-title{
      margin:14px 0 0;
      font-size:clamp(28px,3vw,42px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:950;
      color:#0b1b3a;
    }

    .section-desc{
      max-width:620px;
      color:var(--muted);
      font-size:16px;
      margin:14px 0 0;
    }

    .hero{
      padding:74px 0 68px;
    }

    .hero-panel{
      border:1px solid rgba(219,228,240,.95);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.96),rgba(248,250,252,.94)),
        radial-gradient(circle at 50% 0%,rgba(37,99,235,.13),transparent 42%);
      box-shadow:var(--shadow-md);
      overflow:hidden;
      position:relative;
    }

    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.06) 1px, transparent 1px);
      background-size:28px 28px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
    }

    .hero-inner{
      position:relative;
      padding:44px;
    }

    .status-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 14px;
      border:1px solid rgba(219,228,240,.92);
      border-radius:20px;
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 28px rgba(15,23,42,.05);
      margin-bottom:34px;
    }

    .status-left,
    .status-right{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }

    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:34px;
      padding:0 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line-soft);
      color:#334155;
      font-size:13px;
      font-weight:850;
    }

    .status-bar{
      width:128px;
      height:8px;
      border-radius:999px;
      background:#e2e8f0;
      overflow:hidden;
    }

    .status-bar span{
      display:block;
      width:78%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),#60a5fa);
    }

    .hero-grid{
      display:grid;
      grid-template-columns:1.03fr .97fr;
      gap:38px;
      align-items:center;
    }

    h1{
      margin:0;
      color:#071633;
      font-size:clamp(36px,5.3vw,72px);
      line-height:1.02;
      letter-spacing:-.065em;
      font-weight:1000;
    }

    .hero-lead{
      margin:22px 0 0;
      max-width:680px;
      color:#475569;
      font-size:18px;
      line-height:1.85;
    }

    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:30px;
    }

    .btn-primary{
      min-height:52px;
      padding:0 24px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),#1e40af);
      box-shadow:0 16px 34px rgba(37,99,235,.26);
    }

    .btn-secondary{
      min-height:52px;
      padding:0 22px;
      color:#102a6b;
      background:#fff;
      border:1px solid rgba(37,99,235,.16);
      box-shadow:var(--shadow-sm);
    }

    .btn-secondary:hover,
    .btn-ghost:hover{
      transform:translateY(-2px);
      border-color:rgba(37,99,235,.32);
      box-shadow:var(--shadow-card);
    }

    .btn-ghost{
      min-height:44px;
      padding:0 18px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(37,99,235,.12);
    }

    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .btn-ghost:focus-visible,
    .nav-link:focus-visible,
    .nav-cta:focus-visible,
    input:focus,
    textarea:focus,
    button:focus-visible{
      outline:3px solid rgba(37,99,235,.18);
      outline-offset:3px;
    }

    .hero-matrix{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }

    .matrix-card{
      min-height:112px;
      border:1px solid rgba(219,228,240,.92);
      border-radius:22px;
      background:rgba(255,255,255,.84);
      box-shadow:var(--shadow-sm);
      padding:16px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:all .25s ease;
    }

    .matrix-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-card);
      border-color:rgba(37,99,235,.22);
    }

    .matrix-icon{
      width:36px;
      height:36px;
      display:grid;
      place-items:center;
      border-radius:13px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      font-size:18px;
    }

    .matrix-card strong{
      font-size:15px;
      color:#0f172a;
      line-height:1.35;
    }

    .matrix-card span{
      font-size:12px;
      color:var(--muted);
      margin-top:4px;
    }

    .kpi-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:26px;
    }

    .kpi{
      border:1px solid var(--line-soft);
      border-radius:22px;
      background:#fff;
      padding:18px;
      box-shadow:var(--shadow-sm);
    }

    .kpi b{
      display:block;
      font-size:28px;
      line-height:1;
      letter-spacing:-.04em;
      color:#0b1b3a;
    }

    .kpi span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-top:8px;
      font-weight:750;
    }

    .catalog-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:stretch;
    }

    .intro-card{
      border-radius:var(--radius-lg);
      background:#0b1b3a;
      color:#fff;
      padding:34px;
      box-shadow:var(--shadow-card);
      position:relative;
      overflow:hidden;
    }

    .intro-card:after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      border-radius:50%;
      right:-70px;
      bottom:-80px;
      background:rgba(37,99,235,.36);
      filter:blur(3px);
    }

    .intro-card h2{
      margin:16px 0 12px;
      font-size:34px;
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:950;
      position:relative;
      z-index:1;
    }

    .intro-card p{
      color:#cbd5e1;
      margin:0;
      position:relative;
      z-index:1;
    }

    .catalog-list{
      display:grid;
      gap:14px;
    }

    .catalog-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      border:1px solid var(--line-soft);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:all .22s ease;
    }

    .catalog-item:hover{
      transform:translateX(4px);
      border-color:rgba(37,99,235,.22);
      box-shadow:var(--shadow-card);
    }

    .catalog-num{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
    }

    .catalog-item h3{
      margin:0 0 4px;
      font-size:18px;
      color:#0f172a;
      font-weight:950;
    }

    .catalog-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }

    .arrow{
      width:36px;
      height:36px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:#f8fafc;
      border:1px solid var(--line-soft);
    }

    .topic-wrap{
      display:grid;
      grid-template-columns:1fr 1.45fr;
      gap:24px;
      align-items:start;
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line-soft);
      box-shadow:var(--shadow-sm);
    }

    .topic-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      color:#1e293b;
      background:#f8fafc;
      border:1px solid var(--line-soft);
      font-size:14px;
      font-weight:850;
      transition:all .2s ease;
    }

    .tag:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(37,99,235,.22);
      transform:translateY(-2px);
    }

    .tag.hot{
      color:#991b1b;
      background:var(--accent-soft);
      border-color:rgba(239,68,68,.16);
    }

    .value-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
    }

    .value-main,
    .value-card{
      border:1px solid var(--line-soft);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:all .24s ease;
    }

    .value-main{
      padding:34px;
      display:grid;
      grid-template-columns:1fr .88fr;
      gap:22px;
      align-items:center;
      min-height:360px;
    }

    .value-main:hover,
    .value-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-card);
      border-color:rgba(37,99,235,.2);
    }

    .value-main h3,
    .value-card h3{
      margin:0;
      font-size:24px;
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:950;
    }

    .value-main p,
    .value-card p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:15px;
    }

    .value-list{
      display:grid;
      gap:12px;
      margin-top:22px;
    }

    .check-item{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#334155;
      font-size:14px;
      font-weight:750;
    }

    .check-item i{
      width:20px;
      height:20px;
      border-radius:50%;
      background:#dcfce7;
      color:#15803d;
      display:grid;
      place-items:center;
      font-style:normal;
      font-size:12px;
      flex:0 0 auto;
      margin-top:2px;
    }

    .radar-card{
      border-radius:26px;
      padding:20px;
      background:linear-gradient(180deg,#f8fbff,#eef6ff);
      border:1px solid rgba(37,99,235,.12);
    }

    .radar-line{
      display:flex;
      justify-content:space-between;
      gap:10px;
      padding:12px 0;
      border-bottom:1px dashed rgba(100,116,139,.22);
      color:#334155;
      font-weight:800;
      font-size:14px;
    }

    .radar-line:last-child{border-bottom:0}

    .value-side{
      display:grid;
      gap:22px;
    }

    .value-card{
      padding:26px;
      min-height:169px;
    }

    .comparison{
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,#0b1b3a 0%,#102a6b 62%,#123a92 100%);
      color:#fff;
      padding:34px;
      box-shadow:var(--shadow-md);
      overflow:hidden;
      position:relative;
    }

    .comparison:after{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:280px;
      height:280px;
      border-radius:50%;
      background:rgba(96,165,250,.24);
      filter:blur(2px);
    }

    .comparison-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      position:relative;
      z-index:1;
    }

    .compare-card{
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(10px);
    }

    .compare-card.light{
      background:#fff;
      color:#0f172a;
    }

    .compare-card h3{
      margin:0 0 18px;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.03em;
    }

    .metric{
      margin-top:14px;
    }

    .metric-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:inherit;
      opacity:.94;
      font-size:14px;
      font-weight:850;
      margin-bottom:8px;
    }

    .metric-track{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      overflow:hidden;
    }

    .light .metric-track{background:#e2e8f0}

    .metric-fill{
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,#60a5fa,#2563eb);
    }

    .compare-card:not(.light) .metric-fill{
      background:linear-gradient(90deg,#fca5a5,#ef4444);
    }

    .media-strip{
      display:flex;
      gap:18px;
      overflow-x:auto;
      padding:4px 4px 18px;
      scroll-snap-type:x mandatory;
      scrollbar-width:thin;
    }

    .media-card{
      flex:0 0 320px;
      scroll-snap-align:start;
      border:1px solid var(--line-soft);
      border-radius:26px;
      background:#fff;
      box-shadow:var(--shadow-sm);
      padding:20px;
      transition:all .22s ease;
    }

    .media-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-card);
      border-color:rgba(37,99,235,.22);
    }

    .media-type{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:950;
    }

    .media-card h3{
      margin:16px 0 8px;
      font-size:20px;
      line-height:1.35;
      font-weight:950;
      letter-spacing:-.025em;
    }

    .media-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .news-layout{
      display:grid;
      grid-template-columns:1.24fr .76fr;
      gap:24px;
      align-items:start;
    }

    .news-list,
    .recommend-panel,
    .faq-box,
    .form-box{
      border:1px solid var(--line-soft);
      background:#fff;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
    }

    .news-list{
      padding:8px;
    }

    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      transition:all .2s ease;
    }

    .news-item + .news-item{
      border-top:1px solid var(--line-soft);
    }

    .news-item:hover{
      background:#f8fbff;
      transform:translateX(3px);
    }

    .news-date{
      width:68px;
      height:58px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:950;
      line-height:1.1;
      text-align:center;
    }

    .news-date small{
      display:block;
      font-size:11px;
      color:#64748b;
      font-weight:850;
      margin-top:3px;
    }

    .news-item h3{
      margin:0 0 4px;
      font-size:18px;
      font-weight:950;
      color:#0f172a;
      line-height:1.35;
    }

    .news-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }

    .news-arrow{
      color:var(--primary);
      font-weight:950;
    }

    .recommend-panel{
      padding:24px;
      position:sticky;
      top:104px;
    }

    .recommend-panel h3{
      margin:0 0 14px;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.03em;
    }

    .recommend-list{
      display:grid;
      gap:12px;
    }

    .recommend-item{
      padding:14px;
      border:1px solid var(--line-soft);
      border-radius:20px;
      background:#f8fafc;
      transition:all .2s ease;
    }

    .recommend-item:hover{
      background:var(--primary-soft);
      border-color:rgba(37,99,235,.2);
      transform:translateY(-2px);
    }

    .recommend-item b{
      display:block;
      font-size:15px;
      color:#0f172a;
    }

    .recommend-item span{
      display:block;
      color:var(--muted);
      font-size:13px;
      margin-top:4px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }

    .faq-box{
      padding:24px;
      transition:all .22s ease;
    }

    .faq-box:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-card);
      border-color:rgba(37,99,235,.2);
    }

    .faq-box h3{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 0 10px;
      font-size:18px;
      font-weight:950;
    }

    .faq-box p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .download-section{
      padding:82px 0 96px;
    }

    .download-card{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:30px;
      align-items:center;
      padding:36px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,#ffffff 0%,#eef6ff 100%);
      border:1px solid rgba(37,99,235,.13);
      box-shadow:var(--shadow-md);
      overflow:hidden;
      position:relative;
    }

    .download-card:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-120px;
      top:-120px;
      border-radius:50%;
      background:rgba(37,99,235,.13);
    }

    .download-content,
    .form-box{
      position:relative;
      z-index:1;
    }

    .download-content h2{
      margin:16px 0 12px;
      font-size:clamp(30px,3.4vw,48px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:1000;
      color:#0b1b3a;
    }

    .download-content p{
      color:var(--muted);
      margin:0;
      max-width:560px;
    }

    .download-points{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:24px;
    }

    .point{
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line-soft);
      color:#334155;
      font-size:14px;
      font-weight:800;
    }

    .form-box{
      padding:24px;
    }

    .form-grid{
      display:grid;
      gap:14px;
    }

    .field label{
      display:block;
      font-size:13px;
      font-weight:900;
      color:#334155;
      margin-bottom:7px;
    }

    .field input,
    .field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      color:#0f172a;
      padding:13px 14px;
      transition:all .2s ease;
    }

    .field textarea{
      min-height:96px;
      resize:vertical;
    }

    .field input:hover,
    .field textarea:hover{
      border-color:rgba(37,99,235,.35);
    }

    .form-tip{
      margin:12px 0 0;
      color:#64748b;
      font-size:13px;
      line-height:1.55;
    }

    .form-message{
      display:none;
      margin-top:12px;
      padding:12px 14px;
      border-radius:16px;
      background:#dcfce7;
      color:#166534;
      font-weight:850;
      font-size:14px;
    }

    .site-footer{
      background:#071633;
      color:#cbd5e1;
      padding:48px 0 28px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:34px;
      align-items:start;
      padding-bottom:30px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }

    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:950;
    }

    .footer-desc{
      max-width:640px;
      margin:16px 0 0;
      color:#94a3b8;
    }

    .footer-links{
      display:flex;
      justify-content:flex-end;
      flex-wrap:wrap;
      gap:10px;
    }

    .footer-links a{
      display:inline-flex;
      min-height:40px;
      align-items:center;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:#cbd5e1;
      border:1px solid rgba(255,255,255,.08);
      transition:all .2s ease;
      font-weight:800;
      font-size:14px;
    }

    .footer-links a:hover{
      color:#fff;
      border-color:rgba(96,165,250,.42);
      background:rgba(37,99,235,.18);
      transform:translateY(-2px);
    }

    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:24px;
      color:#94a3b8;
      font-size:13px;
    }

    @media (max-width:1024px){
      .hero-grid,
      .catalog-layout,
      .value-grid,
      .news-layout,
      .download-card,
      .footer-grid{
        grid-template-columns:1fr;
      }

      .value-main{
        grid-template-columns:1fr;
      }

      .recommend-panel{
        position:static;
      }

      .section-head{
        align-items:start;
        flex-direction:column;
      }

      .hero-matrix{
        grid-template-columns:repeat(4,1fr);
      }
    }

    @media (max-width:768px){
      .container{
        width:min(100% - 28px, var(--container));
      }

      .desktop-nav,
      .nav-actions .nav-cta{
        display:none;
      }

      .mobile-menu-btn{
        display:flex;
      }

      .nav-shell{
        min-height:68px;
      }

      .brand-text span{
        display:none;
      }

      .hero{
        padding:38px 0 48px;
      }

      .hero-inner{
        padding:24px;
      }

      .status-row{
        align-items:flex-start;
        flex-direction:column;
        margin-bottom:26px;
      }

      .hero-matrix{
        grid-template-columns:repeat(2,1fr);
      }

      .kpi-row,
      .comparison-grid,
      .faq-grid,
      .download-points{
        grid-template-columns:1fr;
      }

      .topic-wrap{
        grid-template-columns:1fr;
        padding:22px;
      }

      .section{
        padding:62px 0;
      }

      .section.compact{
        padding:48px 0;
      }

      .news-item{
        grid-template-columns:auto 1fr;
      }

      .news-arrow{
        display:none;
      }

      .footer-links{
        justify-content:flex-start;
      }
    }

    @media (max-width:520px){
      h1{
        font-size:38px;
      }

      .hero-lead{
        font-size:16px;
      }

      .hero-actions{
        flex-direction:column;
      }

      .btn-primary,
      .btn-secondary,
      .btn-ghost{
        width:100%;
      }

      .hero-matrix{
        grid-template-columns:1fr;
      }

      .matrix-card{
        min-height:96px;
      }

      .catalog-item{
        grid-template-columns:auto 1fr;
      }

      .catalog-item .arrow{
        display:none;
      }

      .media-card{
        flex-basis:86%;
      }

      .download-card,
      .comparison{
        padding:24px;
      }
    }