/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-2:#0D1B2E;
      --bg-3:#10243A;
      --card:rgba(255,255,255,.08);
      --card-2:rgba(255,255,255,.12);
      --line:rgba(139,184,255,.18);
      --line-strong:rgba(139,184,255,.34);
      --text:#D6E4F5;
      --text-strong:#F4F8FF;
      --muted:#8FA6BF;
      --blue:#3BA7FF;
      --purple:#8C5CFF;
      --amber:#FFB86B;
      --green:#39E6C3;
      --shadow:0 24px 80px rgba(20,80,160,.22);
      --shadow-2:0 18px 44px rgba(5,15,28,.45);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --sidebar:248px;
      --nav-height:72px;
      --gap:24px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(1000px 700px at 20% 0%, rgba(59,167,255,.16), transparent 55%),
        radial-gradient(900px 600px at 85% 10%, rgba(140,92,255,.16), transparent 58%),
        radial-gradient(700px 600px at 80% 85%, rgba(57,230,195,.10), transparent 55%),
        linear-gradient(180deg, #07111F 0%, #081421 50%, #07111F 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(120deg, rgba(255,255,255,.03) 0 1px, transparent 1px 100%),
        linear-gradient(0deg, rgba(255,255,255,.03) 0 1px, transparent 1px 100%);
      background-size:72px 72px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.1));
      opacity:.32;
      z-index:0;
    }
    a{
      color:#7CCBFF;
      text-decoration:none;
      transition:all .22s ease;
    }
    a:hover{color:#b3e2ff}
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible{
      outline:0;
      box-shadow:0 0 0 3px rgba(59,167,255,.22), 0 0 0 1px rgba(59,167,255,.9) inset;
    }
    img{max-width:100%;display:block}
    .site-shell{
      position:relative;
      z-index:1;
    }
    .site-sidebar{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--sidebar);
      background:linear-gradient(180deg, rgba(11,24,41,.92), rgba(10,20,35,.82));
      border-right:1px solid rgba(139,184,255,.12);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      box-shadow:var(--shadow-2);
      z-index:30;
      display:flex;
      flex-direction:column;
      padding:26px 18px 20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--text-strong);
      font-weight:800;
      letter-spacing:.02em;
      line-height:1.1;
      font-size:18px;
    }
    .brand:hover{color:#fff;transform:translateY(-1px)}
    .brand-mark{
      width:40px;height:40px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(59,167,255,1), rgba(140,92,255,1));
      box-shadow:0 12px 32px rgba(59,167,255,.24), inset 0 0 0 1px rgba(255,255,255,.12);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border:1.5px solid rgba(255,255,255,.9);
      border-radius:10px;
      clip-path:polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
      opacity:.92;
    }
    .brand-mark::after{
      inset:14px;
      border-radius:8px;
      clip-path:polygon(0 0, 100% 0, 100% 100%, 0 100%);
      opacity:.35;
    }
    .brand-copy small{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:500;
      margin-top:2px;
      letter-spacing:.04em;
    }
    .side-divider{
      margin:20px 0 16px;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(139,184,255,.22), transparent);
    }
    .side-label{
      font-size:12px;
      color:var(--muted);
      text-transform:uppercase;
      letter-spacing:.14em;
      margin-bottom:12px;
    }
    .side-links{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-links a{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      color:#CFE0F4;
      border:1px solid transparent;
      background:transparent;
      position:relative;
      font-size:15px;
      font-weight:600;
    }
    .side-links a i{font-size:16px;color:#8EBEFF}
    .side-links a:hover{
      background:rgba(255,255,255,.05);
      border-color:rgba(139,184,255,.18);
      transform:translateX(3px);
      color:#fff;
    }
    .side-links a.active{
      background:linear-gradient(135deg, rgba(59,167,255,.14), rgba(140,92,255,.10));
      border-color:rgba(59,167,255,.24);
      color:#fff;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
    }
    .side-links a.active::before{
      content:"";
      position:absolute;
      left:0;top:12px;bottom:12px;
      width:3px;
      border-radius:999px;
      background:linear-gradient(180deg, var(--blue), var(--purple));
      box-shadow:0 0 14px rgba(59,167,255,.42);
    }
    .sidebar-foot{
      margin-top:auto;
      padding-top:18px;
      display:flex;
      flex-direction:column;
      gap:8px;
      color:var(--muted);
      font-size:12px;
    }
    .sidebar-foot .tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(139,184,255,.16);
      color:#BFD4EA;
      font-size:12px;
      line-height:1;
    }
    .mobile-topbar{
      display:none;
      position:fixed;
      left:0;right:0;top:0;
      height:var(--nav-height);
      padding:0 16px;
      background:linear-gradient(180deg, rgba(11,24,41,.94), rgba(11,24,41,.76));
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(139,184,255,.12);
      z-index:40;
    }
    .mobile-topbar .brand{
      font-size:16px;
    }
    .mobile-toggler{
      width:46px;height:46px;
      border-radius:14px;
      border:1px solid rgba(139,184,255,.2);
      background:rgba(255,255,255,.04);
      color:#fff;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
    }
    .mobile-toggler:hover{
      background:rgba(255,255,255,.08);
      border-color:rgba(59,167,255,.36);
      transform:translateY(-1px);
    }
    .page-main{
      margin-left:var(--sidebar);
      padding:28px 28px 60px;
      position:relative;
    }
    .section{
      position:relative;
      margin-bottom:86px;
    }
    .section-head{
      margin-bottom:24px;
      max-width:800px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(139,184,255,.16);
      color:#B9D4EF;
      font-size:12px;
      letter-spacing:.12em;
      text-transform:uppercase;
      margin-bottom:16px;
      backdrop-filter:blur(10px);
    }
    .eyebrow i{color:var(--amber)}
    h1,h2,h3,h4,h5,h6{
      color:var(--text-strong);
      margin:0;
      letter-spacing:-.02em;
    }
    h1{
      font-size:clamp(32px,4vw,56px);
      line-height:1.06;
      font-weight:800;
      max-width:12ch;
    }
    h2{
      font-size:clamp(26px,3vw,38px);
      line-height:1.12;
      font-weight:800;
      margin-bottom:10px;
    }
    h3{
      font-size:clamp(20px,2.2vw,24px);
      line-height:1.2;
      font-weight:750;
    }
    p{
      margin:0;
      color:var(--text);
      line-height:1.75;
      font-size:16.5px;
    }
    .muted{color:var(--muted)}
    .hero{
      padding-top:12px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-dashboard,
    .glass-card{
      background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
      border:1px solid rgba(139,184,255,.16);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
      overflow:hidden;
    }
    .hero-copy{
      padding:32px;
      position:relative;
      min-height:560px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      isolation:isolate;
    }
    .hero-copy::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(900px 360px at 0% 0%, rgba(59,167,255,.12), transparent 60%),
        radial-gradient(640px 260px at 100% 0%, rgba(140,92,255,.12), transparent 60%),
        linear-gradient(145deg, rgba(255,255,255,.05), transparent 45%);
      z-index:-1;
    }
    .hero-top{
      display:flex;
      flex-direction:column;
      gap:18px;
      max-width:640px;
    }
    .hero-lead{
      max-width:58ch;
      font-size:17px;
      color:#DDE8F7;
    }
    .cta-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:6px;
    }
    .btn-glow{
      border:0;
      color:#fff;
      background:linear-gradient(135deg, var(--blue), var(--purple));
      padding:14px 20px;
      border-radius:999px;
      font-weight:700;
      box-shadow:0 14px 34px rgba(59,167,255,.24), 0 0 0 1px rgba(255,255,255,.08) inset;
      transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
    }
    .btn-glow:hover{
      color:#fff;
      transform:translateY(-1px);
      box-shadow:0 18px 44px rgba(59,167,255,.3), 0 0 0 1px rgba(255,255,255,.12) inset;
      filter:brightness(1.05);
    }
    .btn-glow:active{transform:translateY(0)}
    .btn-ghost{
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(139,184,255,.25);
      color:#D8E8F8;
      padding:13px 20px;
      font-weight:700;
      transition:all .2s ease;
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(255,255,255,.09);
      border-color:rgba(59,167,255,.42);
      transform:translateY(-1px);
    }
    .hero-points{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .hero-points .chip{background:rgba(255,255,255,.04)}
    .hero-dashboard{
      padding:22px;
      display:grid;
      grid-template-rows:auto 1fr;
      gap:16px;
      position:relative;
    }
    .hero-dashboard::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(160deg, rgba(59,167,255,.06), transparent 30%),
        linear-gradient(330deg, rgba(140,92,255,.08), transparent 34%);
      pointer-events:none;
    }
    .dash-top{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:10px;
      position:relative;
      z-index:1;
    }
    .metric{
      padding:14px 14px 12px;
      border-radius:18px;
      background:rgba(8,16,28,.54);
      border:1px solid rgba(139,184,255,.14);
      min-height:88px;
    }
    .metric strong{
      display:block;
      font-size:22px;
      color:#fff;
      line-height:1.1;
      margin-top:6px;
    }
    .metric span{display:block;color:var(--muted);font-size:12px;letter-spacing:.02em}
    .dash-body{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:14px;
      position:relative;
      z-index:1;
      align-items:stretch;
    }
    .phone-mock{
      min-height:368px;
      border-radius:28px;
      padding:16px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03)),
        radial-gradient(260px 260px at 50% 10%, rgba(59,167,255,.18), transparent 62%),
        #0C1626;
      border:1px solid rgba(139,184,255,.16);
      position:relative;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
      overflow:hidden;
    }
    .phone-mock::before{
      content:"";
      position:absolute;
      left:14px;right:14px;top:12px;height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
    }
    .screen{
      position:absolute;
      inset:40px 16px 16px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(14,24,39,.92), rgba(10,18,31,.96)),
        radial-gradient(200px 160px at 50% 24%, rgba(140,92,255,.18), transparent 70%);
      border:1px solid rgba(139,184,255,.16);
      overflow:hidden;
    }
    .screen .grid{
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 100%),
        linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 100%);
      background-size:32px 32px;
      opacity:.34;
    }
    .scanline{
      position:absolute;
      left:0;right:0;top:38%;
      height:2px;
      background:linear-gradient(90deg, transparent, rgba(59,167,255,.8), transparent);
      box-shadow:0 0 26px rgba(59,167,255,.8);
      animation:scan 5.6s linear infinite;
    }
    @keyframes scan{
      0%{transform:translateY(-85px);opacity:.12}
      20%{opacity:1}
      50%{opacity:.8}
      100%{transform:translateY(230px);opacity:.1}
    }
    .screen .panel{
      position:absolute;
      left:14px;right:14px;bottom:14px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(139,184,255,.16);
      backdrop-filter:blur(12px);
    }
    .panel .bars{
      display:grid;
      gap:8px;
      margin-top:10px;
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--blue), var(--purple));
      box-shadow:0 0 18px rgba(59,167,255,.24);
    }
    .dash-side{
      display:grid;
      gap:14px;
    }
    .dash-card{
      padding:18px;
      min-height:108px;
      border-radius:22px;
      background:rgba(8,16,28,.50);
      border:1px solid rgba(139,184,255,.14);
      position:relative;
      overflow:hidden;
    }
    .dash-card::before{
      content:"";
      position:absolute;
      inset:auto -20% -40% auto;
      width:160px;height:160px;
      border-radius:50%;
      background:radial-gradient(circle at center, rgba(59,167,255,.18), transparent 62%);
      filter:blur(2px);
    }
    .dash-card strong{
      display:block;
      color:#fff;
      font-size:19px;
      margin-bottom:8px;
    }
    .dash-card p{font-size:14px;color:#C6D9EE}
    .dash-list{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .dash-list .chip{background:rgba(255,255,255,.045)}
    .feature-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr .9fr;
      gap:18px;
    }
    .feature-card{
      padding:24px;
      min-height:210px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
      border:1px solid rgba(139,184,255,.14);
      box-shadow:var(--shadow-2);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
      position:relative;
      overflow:hidden;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(59,167,255,.34);
      box-shadow:0 24px 60px rgba(8,19,35,.55), 0 0 0 1px rgba(255,255,255,.04) inset;
    }
    .feature-card.big{
      background:
        radial-gradient(520px 220px at 0% 0%, rgba(59,167,255,.18), transparent 50%),
        radial-gradient(420px 200px at 100% 0%, rgba(140,92,255,.16), transparent 52%),
        linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));
      min-height:266px;
    }
    .card-index{
      color:#7BC9FF;
      font-size:13px;
      letter-spacing:.14em;
      font-weight:700;
      margin-bottom:12px;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .card-index::before{
      content:"";
      width:24px;height:1px;
      background:linear-gradient(90deg, var(--blue), var(--purple));
    }
    .feature-card p{font-size:15px;color:#C9D9EC;margin-top:12px}
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:7px 10px;
      font-size:12px;
      color:#D8E7F8;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(139,184,255,.14);
    }
    .tag.amber{color:#FFD8B2;border-color:rgba(255,184,107,.22);background:rgba(255,184,107,.10)}
    .tag.green{color:#BFFFF0;border-color:rgba(57,230,195,.22);background:rgba(57,230,195,.09)}
    .entry-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .entry-card{
      position:relative;
      padding:26px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      min-height:280px;
      background:
        radial-gradient(640px 260px at 0% 0%, rgba(59,167,255,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));
      border:1px solid rgba(139,184,255,.16);
      box-shadow:var(--shadow);
      transition:transform .24s ease, border-color .24s ease;
    }
    .entry-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(255,255,255,.03), transparent 30%, rgba(255,255,255,.02));
      pointer-events:none;
    }
    .entry-card:hover{
      transform:translateY(-4px);
      border-color:rgba(59,167,255,.34);
    }
    .entry-card .mini-title{
      color:#B3D7FF;
      font-size:12px;
      letter-spacing:.16em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .entry-card p{max-width:52ch;color:#C8D9EC}
    .entry-points{
      margin-top:18px;
      display:grid;
      gap:10px;
    }
    .entry-points span{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#E2EDFA;
      font-size:14px;
      line-height:1.6;
    }
    .entry-points i{
      color:var(--green);
      margin-top:3px;
      font-size:16px;
      flex:0 0 auto;
    }
    .entry-cta{
      margin-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .section-note{
      color:var(--muted);
      font-size:14px;
      max-width:70ch;
      margin-top:10px;
    }
    .masonry{
      column-count:3;
      column-gap:18px;
    }
    .masonry-card{
      break-inside:avoid;
      margin:0 0 18px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
      border:1px solid rgba(139,184,255,.14);
      box-shadow:var(--shadow-2);
      overflow:hidden;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .masonry-card:hover{
      transform:translateY(-3px);
      border-color:rgba(59,167,255,.30);
      box-shadow:0 22px 48px rgba(8,19,35,.50);
    }
    .cover{
      min-height:160px;
      padding:16px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(360px 180px at 20% 20%, rgba(59,167,255,.22), transparent 55%),
        radial-gradient(220px 160px at 80% 0%, rgba(140,92,255,.20), transparent 50%),
        linear-gradient(135deg, #0c1626, #12233b);
    }
    .cover::before,
    .cover::after{
      content:"";
      position:absolute;
      border-radius:999px;
      filter:blur(1px);
    }
    .cover::before{
      width:120px;height:120px;
      right:-20px;bottom:-24px;
      background:radial-gradient(circle at center, rgba(255,184,107,.18), transparent 65%);
    }
    .cover::after{
      inset:auto auto 18px 16px;
      width:84px;height:84px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:
        linear-gradient(90deg, rgba(255,255,255,.10) 0 1px, transparent 1px 100%),
        linear-gradient(0deg, rgba(255,255,255,.10) 0 1px, transparent 1px 100%);
      background-size:12px 12px;
      opacity:.6;
    }
    .cover .frame{
      position:absolute;
      inset:16px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:18px;
    }
    .cover .frame::before,
    .cover .frame::after{
      content:"";
      position:absolute;
      width:24px;height:24px;
      border-color:rgba(255,255,255,.5);
      border-style:solid;
    }
    .cover .frame::before{
      left:-1px;top:-1px;
      border-width:2px 0 0 2px;
    }
    .cover .frame::after{
      right:-1px;bottom:-1px;
      border-width:0 2px 2px 0;
    }
    .cover.alt-1{background:linear-gradient(135deg, #0b1525, #16263d 58%, #1c3250)}
    .cover.alt-2{background:linear-gradient(135deg, #0b1525, #141f35 58%, #2a2350)}
    .cover.alt-3{background:linear-gradient(135deg, #0b1525, #13243a 58%, #17405c)}
    .cover.alt-4{background:linear-gradient(135deg, #0b1525, #1b2134 58%, #31224b)}
    .cover.alt-5{background:linear-gradient(135deg, #0b1525, #112b40 58%, #164f60)}
    .cover.alt-6{background:linear-gradient(135deg, #0b1525, #13203a 58%, #234366)}
    .masonry-body{
      padding:18px 18px 20px;
    }
    .masonry-body p{
      color:#C4D6EA;
      font-size:14.5px;
      margin-top:10px;
    }
    .meta-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
      color:var(--muted);
      font-size:12px;
    }
    .meta-line .time{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .roadmap{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .road-step{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(139,184,255,.14);
      position:relative;
      min-height:190px;
    }
    .road-step::after{
      content:"";
      position:absolute;
      top:28px;right:-12px;
      width:24px;height:1px;
      background:linear-gradient(90deg, rgba(59,167,255,.8), rgba(140,92,255,.8));
    }
    .road-step:last-child::after{display:none}
    .step-num{
      width:38px;height:38px;
      border-radius:13px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg, rgba(59,167,255,.95), rgba(140,92,255,.95));
      box-shadow:0 12px 26px rgba(59,167,255,.22);
      margin-bottom:14px;
    }
    .road-step p{font-size:14.5px;color:#C6D6E9;margin-top:10px}
    .list-clean{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
      color:#DDE9F8;
      font-size:14px;
    }
    .list-clean li{
      display:flex;
      align-items:flex-start;
      gap:10px;
    }
    .list-clean i{
      color:var(--green);
      margin-top:4px;
      flex:0 0 auto;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .compare-card{
      padding:24px;
      border-radius:26px;
      background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
      border:1px solid rgba(139,184,255,.14);
      box-shadow:var(--shadow-2);
      display:flex;
      flex-direction:column;
      min-height:100%;
      transition:transform .22s ease, border-color .22s ease;
    }
    .compare-card:hover{
      transform:translateY(-4px);
      border-color:rgba(59,167,255,.32);
    }
    .compare-card.featured{
      background:
        radial-gradient(420px 180px at 50% 0%, rgba(59,167,255,.17), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
      border-color:rgba(59,167,255,.26);
      box-shadow:0 28px 74px rgba(10,24,45,.56);
      transform:translateY(-4px);
    }
    .compare-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(139,184,255,.16);
      color:#CFE3F7;
      font-size:12px;
    }
    .badge-reco{
      background:rgba(57,230,195,.12);
      border-color:rgba(57,230,195,.22);
      color:#C7FFF0;
    }
    .compare-card p{font-size:14.5px;color:#C7D9EA;margin-top:10px}
    .compare-card .btn{
      margin-top:auto;
      align-self:flex-start;
    }
    .faq-accordion .accordion-item{
      background:rgba(255,255,255,.06);
      border:1px solid rgba(139,184,255,.14);
      border-radius:18px;
      overflow:hidden;
      margin-bottom:14px;
      box-shadow:var(--shadow-2);
    }
    .faq-accordion .accordion-button{
      background:transparent;
      color:#E8F2FF;
      font-weight:700;
      font-size:16px;
      padding:20px 22px;
      box-shadow:none;
    }
    .faq-accordion .accordion-button::after{
      background-image:none;
      content:"+";
      font-size:22px;
      line-height:1;
      color:#84C9FF;
      width:auto;
      height:auto;
      margin-left:auto;
      transform:none !important;
      transition:color .2s ease, opacity .2s ease;
    }
    .faq-accordion .accordion-button:not(.collapsed){
      background:rgba(255,255,255,.03);
      color:#fff;
      box-shadow:none;
    }
    .faq-accordion .accordion-button:not(.collapsed)::after{content:"−";color:#fff}
    .faq-accordion .accordion-button:focus{box-shadow:none}
    .faq-accordion .accordion-body{
      padding:0 22px 20px;
      color:#C9DAEB;
      line-height:1.8;
    }
    .contact-card{
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(650px 260px at 20% 0%, rgba(59,167,255,.14), transparent 50%),
        radial-gradient(420px 220px at 100% 0%, rgba(140,92,255,.14), transparent 50%),
        linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.06));
      border:1px solid rgba(139,184,255,.16);
      box-shadow:var(--shadow);
    }
    .contact-grid{
      display:grid;
      grid-template-columns:1fr 1.05fr;
      gap:18px;
      align-items:start;
    }
    .contact-side{
      padding-right:12px;
    }
    .contact-side .list-clean{
      margin-top:18px;
    }
    .form-label{
      color:#DDEAF9;
      font-weight:600;
      margin-bottom:8px;
      font-size:14px;
    }
    .form-control,.form-select{
      background:rgba(6,12,22,.48);
      border:1px solid #24445F;
      color:#EAF3FF;
      border-radius:16px;
      padding:14px 16px;
      box-shadow:none;
    }
    .form-control::placeholder{color:#6E86A0}
    .form-control:focus,.form-select:focus{
      border-color:rgba(59,167,255,.75);
      background:rgba(6,12,22,.62);
      color:#fff;
      box-shadow:0 0 0 4px rgba(59,167,255,.14);
    }
    textarea.form-control{min-height:150px;resize:vertical}
    .form-note{
      color:var(--muted);
      font-size:13px;
      margin-top:12px;
    }
    footer{
      padding:24px 0 8px;
      border-top:1px solid rgba(139,184,255,.14);
      color:var(--muted);
      margin-top:14px;
    }
    .footer-inner{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .footer-brand{
      max-width:360px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:12px 18px;
      justify-content:flex-end;
    }
    .footer-links a{
      color:#B6D5F0;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff}
    .footer-legal{
      margin-top:12px;
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      font-size:13px;
      color:var(--muted);
    }
    .divider-line{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(139,184,255,.18), transparent);
      margin:16px 0 0;
    }
    .soft-blur{
      position:absolute;
      border-radius:50%;
      filter:blur(30px);
      opacity:.75;
      pointer-events:none;
    }
    .blur-a{width:220px;height:220px;background:rgba(59,167,255,.08);right:8%;top:120px}
    .blur-b{width:180px;height:180px;background:rgba(140,92,255,.08);left:30%;top:58%}
    .blur-c{width:160px;height:160px;background:rgba(57,230,195,.06);right:20px;bottom:3%}
    .offcanvas{
      background:linear-gradient(180deg, rgba(11,24,41,.98), rgba(8,17,30,.98));
      color:var(--text);
      border-right:1px solid rgba(139,184,255,.14);
    }
    .offcanvas .btn-close{
      filter:invert(1) grayscale(100%) brightness(180%);
      opacity:.8;
    }
    .offcanvas .side-links{margin-top:8px}
    .offcanvas .sidebar-foot{margin-top:24px}
    .offcanvas-backdrop.show{opacity:.7}
    .mobile-spacer{display:none;height:84px}
    .hero-mini{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:16px;
    }
    .stat-strip{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
    }
    .stat-strip .stat{
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(139,184,255,.14);
      min-width:160px;
    }
    .stat strong{display:block;color:#fff;font-size:18px}
    .stat span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .section-title-row{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .section-title-row .section-note{max-width:620px}
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#BFE3FF;
      font-weight:600;
      margin-top:10px;
    }
    .mini-link:hover{gap:10px;color:#fff}
    .spoke{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:10px;
      color:#C8D9EA;
      font-size:14px;
    }
    .spoke i{color:var(--amber)}
    .btn-outline-glow{
      border-radius:999px;
      padding:13px 20px;
      color:#DDEAF8;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(139,184,255,.24);
      font-weight:700;
    }
    .btn-outline-glow:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(59,167,255,.40);
      transform:translateY(-1px);
    }
    .small-kpi{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }
    .small-kpi .box{
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(139,184,255,.14);
    }
    .small-kpi .box strong{
      display:block;
      color:#fff;
      font-size:18px;
    }
    .small-kpi .box span{display:block;color:var(--muted);font-size:12px;margin-top:4px;line-height:1.5}
    .section-anchor{scroll-margin-top:96px}
    @media (max-width: 1199.98px){
      :root{--sidebar:220px}
      .hero-grid{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .dash-body{grid-template-columns:1fr}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card.big{grid-column:1/-1}
      .roadmap{grid-template-columns:1fr 1fr}
      .road-step::after{display:none}
    }
    @media (max-width: 991.98px){
      .site-sidebar{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between}
      .mobile-spacer{display:block}
      .page-main{margin-left:0;padding:18px 16px 50px}
      .hero-copy,.hero-dashboard,.glass-card,.entry-card,.contact-card{border-radius:24px}
      .hero-copy{padding:24px}
      .feature-grid,.entry-grid,.compare-grid,.contact-grid{grid-template-columns:1fr}
      .masonry{column-count:2}
      .compare-card.featured{transform:none}
    }
    @media (max-width: 767.98px){
      .section{margin-bottom:64px}
      .hero-copy{padding:20px}
      .hero-lead{font-size:16px}
      .dash-top{grid-template-columns:1fr}
      .small-kpi,.roadmap{grid-template-columns:1fr}
      .masonry{column-count:1}
      .compare-grid{gap:14px}
      .compare-card,.feature-card,.entry-card,.contact-card{padding:20px}
      .contact-card{padding:20px}
      .cta-row,.footer-inner,.footer-links{justify-content:flex-start}
      .stat-strip .stat{min-width:calc(50% - 6px)}
      h1{max-width:100%}
    }
    @media (max-width: 575.98px){
      .page-main{padding:16px 12px 42px}
      .hero-copy,.hero-dashboard,.glass-card,.entry-card,.contact-card{border-radius:22px}
      .btn-glow,.btn-ghost,.btn-outline-glow{width:100%;justify-content:center}
      .cta-row{flex-direction:column}
      .stat-strip{gap:10px}
      .stat-strip .stat{min-width:100%}
      .accordion-button{padding:18px}
      .faq-accordion .accordion-body{padding:0 18px 18px}
    }

/* roulang page: category1 */
:root{
      --bg:#07111f;
      --bg-2:#081421;
      --panel:#0d1b2e;
      --panel-2:#10243a;
      --glass:rgba(255,255,255,.075);
      --glass-strong:rgba(255,255,255,.115);
      --border:rgba(139,184,255,.18);
      --border-strong:rgba(124,203,255,.36);
      --primary:#3ba7ff;
      --primary-2:#7ccbff;
      --violet:#8c5cff;
      --amber:#ffb86b;
      --mint:#39e6c3;
      --title:#f4f8ff;
      --text:#d6e4f5;
      --muted:#8fa6bf;
      --muted-2:#627a96;
      --dangerless:#ffdfb5;
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 24px 80px rgba(20,80,160,.22);
      --shadow-soft:0 14px 44px rgba(2,8,22,.34);
      --side:248px;
      --ease:all .28s ease;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(59,167,255,.18), transparent 28%),
        radial-gradient(circle at 84% 18%, rgba(140,92,255,.16), transparent 24%),
        radial-gradient(circle at 55% 82%, rgba(57,230,195,.08), transparent 28%),
        linear-gradient(135deg,var(--bg),var(--bg-2) 52%,#050b15);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(139,184,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139,184,255,.045) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),rgba(0,0,0,.18));
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20%;
      pointer-events:none;
      background:
        linear-gradient(120deg,transparent 0 40%,rgba(255,255,255,.035) 41%,transparent 42% 100%),
        radial-gradient(circle at 70% 35%, rgba(59,167,255,.08), transparent 22%);
      filter:blur(.2px);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary-2)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font-family:inherit}
    ::selection{background:rgba(59,167,255,.32);color:#fff}
    :focus-visible{outline:2px solid var(--primary-2);outline-offset:4px;border-radius:12px}

    .mobile-topbar{
      display:none;
      position:fixed;
      top:0;left:0;right:0;
      height:68px;
      z-index:1050;
      padding:0 18px;
      align-items:center;
      justify-content:space-between;
      background:rgba(7,17,31,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--border);
    }
    .menu-toggle{
      width:44px;height:44px;
      border:1px solid var(--border);
      border-radius:15px;
      color:var(--title);
      background:rgba(255,255,255,.07);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .menu-toggle:hover{border-color:var(--primary);box-shadow:0 0 22px rgba(59,167,255,.18);transform:translateY(-1px)}
    .app-sidebar{
      position:fixed;
      z-index:1040;
      top:0;left:0;
      width:var(--side);
      height:100vh;
      padding:24px 18px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:linear-gradient(180deg,rgba(13,27,46,.88),rgba(7,17,31,.78));
      backdrop-filter:blur(22px);
      border-right:1px solid var(--border);
      box-shadow:16px 0 60px rgba(0,0,0,.22);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      position:relative;
      flex:0 0 auto;
      width:46px;height:46px;
      border-radius:16px;
      background:
        linear-gradient(135deg,rgba(59,167,255,.95),rgba(140,92,255,.82)),
        radial-gradient(circle at 25% 20%,#fff,transparent 24%);
      box-shadow:0 0 30px rgba(59,167,255,.35);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border:1px solid rgba(255,255,255,.62);
      border-radius:9px;
    }
    .brand-mark:after{
      inset:18px 8px;
      border-left:0;border-right:0;
      border-radius:0;
      opacity:.6;
    }
    .brand-copy{
      display:flex;
      flex-direction:column;
      color:var(--title);
      font-weight:800;
      letter-spacing:.02em;
      line-height:1.25;
    }
    .brand-copy small{
      margin-top:4px;
      font-size:12px;
      color:var(--muted);
      font-weight:500;
      letter-spacing:.05em;
    }
    .side-kicker{
      margin:22px 2px 18px;
      padding:10px 12px;
      border-radius:16px;
      color:var(--muted);
      font-size:12px;
      line-height:1.55;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(139,184,255,.12);
    }
    .side-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .side-links a{
      position:relative;
      display:flex;
      align-items:center;
      gap:11px;
      padding:13px 14px;
      border-radius:17px;
      color:var(--muted);
      font-weight:650;
      font-size:14px;
      border:1px solid transparent;
    }
    .side-links a i{font-size:18px;color:var(--primary-2)}
    .side-links a:hover{
      color:var(--title);
      background:rgba(255,255,255,.07);
      border-color:rgba(124,203,255,.2);
      transform:translateX(3px);
    }
    .side-links a.active{
      color:var(--title);
      background:linear-gradient(90deg,rgba(59,167,255,.18),rgba(140,92,255,.08));
      border-color:var(--border-strong);
      box-shadow:inset 3px 0 0 var(--primary),0 12px 36px rgba(59,167,255,.12);
    }
    .sidebar-bottom{
      display:grid;
      gap:12px;
    }
    .domain-chip{
      color:var(--muted);
      font-size:12px;
      padding:12px;
      border:1px solid rgba(139,184,255,.14);
      border-radius:16px;
      background:rgba(255,255,255,.04);
      word-break:break-all;
    }
    .mini-tags{display:flex;flex-wrap:wrap;gap:8px}
    .mini-tags span,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      color:var(--text);
      font-size:12px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(139,184,255,.16);
      white-space:nowrap;
    }
    .tag.hot{color:#fff;border-color:rgba(255,184,107,.38);background:rgba(255,184,107,.12)}
    .tag.blue{border-color:rgba(59,167,255,.34);background:rgba(59,167,255,.11)}
    .tag.green{border-color:rgba(57,230,195,.32);background:rgba(57,230,195,.1)}

    .main-shell{
      margin-left:var(--side);
      min-height:100vh;
    }
    .page-wrap{
      width:min(1180px,calc(100% - 48px));
      margin:0 auto;
    }
    section{position:relative}
    .section-space{padding:86px 0}
    .section-space-sm{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-2);
      font-size:13px;
      font-weight:750;
      letter-spacing:.08em;
      text-transform:uppercase;
      margin-bottom:14px;
    }
    .eyebrow:before{
      content:"";
      width:26px;height:1px;
      background:linear-gradient(90deg,var(--primary),transparent);
    }
    h1,h2,h3,h4{color:var(--title);line-height:1.18;margin:0}
    h1{font-size:clamp(32px,4.2vw,52px);font-weight:850;letter-spacing:-.04em}
    h2{font-size:clamp(25px,3vw,36px);font-weight:820;letter-spacing:-.03em}
    h3{font-size:21px;font-weight:780;letter-spacing:-.015em}
    p{margin:0;color:var(--text)}
    .lead{font-size:17px;color:#c6d8ec;line-height:1.85}
    .muted{color:var(--muted)}
    .text-link{
      color:var(--primary-2);
      font-weight:750;
      text-decoration:underline;
      text-decoration-color:rgba(124,203,255,.35);
      text-underline-offset:5px;
    }
    .text-link:hover{color:#fff;text-decoration-color:var(--primary)}

    .btn-system{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:750;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--violet));
      box-shadow:0 12px 34px rgba(59,167,255,.25);
      transition:var(--ease);
    }
    .btn-system:hover{
      color:#fff;
      transform:translateY(-2px);
      filter:brightness(1.08);
      box-shadow:0 18px 46px rgba(59,167,255,.34);
    }
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      color:var(--title);
      font-weight:750;
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
      transition:var(--ease);
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(59,167,255,.1);
      border-color:var(--primary);
      transform:translateY(-2px);
      box-shadow:0 14px 34px rgba(59,167,255,.14);
    }

    .glass-card{
      position:relative;
      background:linear-gradient(180deg,var(--glass-strong),rgba(255,255,255,.055));
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);
      opacity:.8;
    }
    .hover-lift{transition:var(--ease)}
    .hover-lift:hover{
      transform:translateY(-4px);
      border-color:rgba(124,203,255,.42);
      box-shadow:var(--shadow);
    }

    .narrow-hero{
      padding:78px 0 52px;
      min-height:430px;
      display:flex;
      align-items:center;
    }
    .narrow-hero:before{
      content:"";
      position:absolute;
      inset:24px 28px auto auto;
      width:360px;height:360px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(140,92,255,.2),transparent 65%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);
      gap:34px;
      align-items:stretch;
    }
    .hero-copy{
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(59,167,255,.1),transparent 42%),
        rgba(255,255,255,.052);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .hero-copy .lead{margin-top:18px;max-width:690px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .visual-board{
      min-height:360px;
      padding:24px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 20% 20%,rgba(59,167,255,.22),transparent 28%),
        radial-gradient(circle at 86% 16%,rgba(255,184,107,.12),transparent 22%),
        linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.045));
      border:1px solid rgba(139,184,255,.22);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .visual-board:after{
      content:"";
      position:absolute;
      inset:0;
      background:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 9px);
      opacity:.25;
      pointer-events:none;
    }
    .magazine-stack{
      position:relative;
      height:100%;
      min-height:310px;
      z-index:1;
    }
    .cover-slice{
      position:absolute;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.16);
      background:linear-gradient(135deg,rgba(59,167,255,.18),rgba(140,92,255,.18));
      box-shadow:0 22px 60px rgba(0,0,0,.28);
      overflow:hidden;
    }
    .cover-slice:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg,transparent 0 42%,rgba(255,255,255,.18) 43%,transparent 44%),
        radial-gradient(circle at 30% 24%,rgba(255,255,255,.2),transparent 18%);
    }
    .slice-a{left:4%;top:4%;width:54%;height:66%;transform:rotate(-4deg)}
    .slice-b{right:0;top:18%;width:52%;height:56%;transform:rotate(5deg);background:linear-gradient(135deg,rgba(255,184,107,.14),rgba(59,167,255,.2))}
    .slice-c{left:18%;bottom:0;width:66%;height:38%;transform:rotate(-1deg);background:linear-gradient(135deg,rgba(57,230,195,.12),rgba(140,92,255,.22))}
    .board-label{
      position:absolute;
      z-index:2;
      left:26px;
      bottom:26px;
      right:26px;
      padding:18px;
      border-radius:20px;
      background:rgba(7,17,31,.72);
      border:1px solid rgba(124,203,255,.24);
      backdrop-filter:blur(14px);
    }
    .board-label strong{display:block;color:var(--title);font-size:18px;margin-bottom:6px}
    .board-label span{color:var(--muted);font-size:13px}
    .metric-line{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      align-items:center;
      margin-top:14px;
      color:var(--muted);
      font-size:12px;
    }
    .metric-line em{font-style:normal;color:var(--amber);font-weight:800}
    .bar{
      height:7px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(255,255,255,.09);
    }
    .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--violet));width:78%}

    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:28px;
    }
    .section-head p{max-width:620px;color:var(--muted)}
    .magazine-layout{
      display:grid;
      grid-template-columns:310px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .topic-index{
      position:sticky;
      top:28px;
      padding:24px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .topic-index h2{font-size:24px;margin-bottom:14px}
    .index-list{
      list-style:none;
      padding:0;
      margin:20px 0 0;
      display:grid;
      gap:12px;
    }
    .index-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      color:var(--text);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(139,184,255,.12);
      font-weight:650;
    }
    .index-list a span{color:var(--muted);font-size:12px}
    .index-list a:hover{
      border-color:rgba(59,167,255,.38);
      background:rgba(59,167,255,.09);
      transform:translateX(3px);
    }
    .summary-card{
      padding:30px;
      margin-bottom:24px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(120deg,rgba(59,167,255,.1),transparent 48%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      border:1px solid var(--border);
    }
    .summary-card p{margin-top:14px;color:#cbdcf0}
    .summary-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:22px;
    }
    .summary-mini{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(139,184,255,.14);
    }
    .summary-mini b{
      display:block;
      color:var(--title);
      margin-bottom:4px;
      font-size:18px;
    }
    .summary-mini span{font-size:13px;color:var(--muted)}

    .article-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .article-card{
      min-height:245px;
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.082),rgba(255,255,255,.042));
      border:1px solid var(--border);
      overflow:hidden;
      position:relative;
      transition:var(--ease);
    }
    .article-card.tall{min-height:310px}
    .article-card.wide{
      grid-column:span 2;
      min-height:230px;
      background:
        radial-gradient(circle at 82% 18%,rgba(255,184,107,.14),transparent 28%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
    }
    .article-card:before{
      content:"";
      position:absolute;
      width:160px;height:160px;
      right:-56px;top:-70px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(59,167,255,.16),transparent 70%);
      transition:var(--ease);
    }
    .article-card:hover{
      transform:translateY(-4px);
      border-color:rgba(124,203,255,.42);
      box-shadow:var(--shadow);
    }
    .article-card:hover:before{transform:scale(1.18)}
    .article-card h3{margin:14px 0 10px}
    .article-card p{color:var(--muted);font-size:15px;line-height:1.72}
    .article-top{
      position:relative;
      z-index:1;
    }
    .article-bottom{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:24px;
      position:relative;
      z-index:1;
    }
    .read-time{color:var(--muted-2);font-size:12px;font-weight:700}

    .deconstruct{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .step-card{
      counter-increment:step;
      padding:22px;
      min-height:230px;
      border-radius:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.04));
      border:1px solid var(--border);
      position:relative;
      overflow:hidden;
      transition:var(--ease);
    }
    .step-card:hover{transform:translateY(-4px);border-color:rgba(57,230,195,.32)}
    .step-card:before{
      content:"0" counter(step);
      display:inline-flex;
      width:46px;height:46px;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      color:#fff;
      font-weight:850;
      background:linear-gradient(135deg,rgba(59,167,255,.8),rgba(140,92,255,.78));
      box-shadow:0 12px 28px rgba(59,167,255,.18);
      margin-bottom:22px;
    }
    .step-card:after{
      content:"";
      position:absolute;
      left:22px;right:22px;top:88px;
      height:1px;
      background:linear-gradient(90deg,rgba(124,203,255,.5),transparent);
      opacity:.6;
    }
    .step-card h3{font-size:19px;margin-bottom:10px}
    .step-card p{font-size:15px;color:var(--muted)}

    .compare-panel{
      display:grid;
      grid-template-columns:1fr 1.15fr;
      gap:22px;
      align-items:stretch;
    }
    .principle-list{
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.045));
      border:1px solid var(--border);
    }
    .principle-list ul{
      padding:0;
      margin:22px 0 0;
      list-style:none;
      display:grid;
      gap:13px;
    }
    .principle-list li{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(139,184,255,.12);
      color:#cbdcf0;
    }
    .principle-list li i{color:var(--mint);font-size:18px;margin-top:2px}
    .tone-matrix{
      padding:22px;
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:
        linear-gradient(135deg,rgba(140,92,255,.09),transparent 46%),
        rgba(255,255,255,.055);
    }
    .matrix-row{
      display:grid;
      grid-template-columns:130px 1fr;
      gap:14px;
      align-items:center;
      padding:16px 0;
      border-bottom:1px solid rgba(139,184,255,.12);
    }
    .matrix-row:last-child{border-bottom:0}
    .matrix-row strong{color:var(--title)}
    .matrix-row p{color:var(--muted);font-size:15px}
    .tone-bar{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      margin-top:10px;
    }
    .tone-bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--violet),var(--amber));
    }

    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      color:var(--text);
      background:rgba(255,255,255,.055);
      border:1px solid var(--border);
      border-radius:20px!important;
      overflow:hidden;
    }
    .accordion-button{
      padding:18px 22px;
      color:var(--title);
      font-weight:780;
      background:transparent;
      box-shadow:none!important;
      border:0;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:linear-gradient(90deg,rgba(59,167,255,.13),rgba(140,92,255,.08));
    }
    .accordion-button:focus{box-shadow:0 0 0 .2rem rgba(59,167,255,.16)!important}
    .accordion-button::after{
      filter:invert(1) brightness(1.8);
      opacity:.75;
    }
    .accordion-body{
      padding:0 22px 20px;
      color:var(--muted);
      line-height:1.8;
    }

    .cta-band{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      padding:32px;
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 18% 24%,rgba(59,167,255,.18),transparent 28%),
        radial-gradient(circle at 88% 32%,rgba(140,92,255,.16),transparent 28%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.048));
      border:1px solid rgba(139,184,255,.24);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .cta-band p{margin-top:14px;color:#cbdcf0}
    .form-card{
      padding:22px;
      border-radius:24px;
      background:rgba(7,17,31,.46);
      border:1px solid rgba(139,184,255,.18);
      backdrop-filter:blur(14px);
    }
    .form-label{color:var(--text);font-weight:700;font-size:14px;margin-bottom:7px}
    .form-control,.form-select{
      color:var(--title);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(139,184,255,.2);
      border-radius:16px;
      min-height:46px;
    }
    .form-control::placeholder{color:rgba(143,166,191,.72)}
    .form-control:focus,.form-select:focus{
      color:#fff;
      background:rgba(255,255,255,.085);
      border-color:var(--primary);
      box-shadow:0 0 0 .22rem rgba(59,167,255,.14);
    }
    .form-select option{background:#0d1b2e;color:#fff}
    textarea.form-control{min-height:104px}

    footer{
      padding:34px 0 42px;
      border-top:1px solid rgba(139,184,255,.12);
      background:linear-gradient(180deg,transparent,rgba(0,0,0,.14));
    }
    .footer-inner{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:flex-start;
    }
    .footer-brand{display:grid;gap:14px}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px 18px;
      max-width:520px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      padding:6px 0;
      border-bottom:1px solid transparent;
    }
    .footer-links a:hover{
      color:var(--primary-2);
      border-bottom-color:rgba(124,203,255,.36);
    }
    .footer-legal{
      display:flex;
      flex-wrap:wrap;
      gap:8px 14px;
      color:var(--muted-2);
      font-size:12px;
    }
    .divider-line{
      height:1px;
      margin-top:24px;
      background:linear-gradient(90deg,transparent,rgba(139,184,255,.22),transparent);
    }

    @media (max-width:1199px){
      :root{--side:226px}
      .page-wrap{width:min(100% - 36px,1080px)}
      .hero-grid{grid-template-columns:1fr}
      .visual-board{min-height:320px}
      .deconstruct{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .mobile-topbar{display:flex}
      .app-sidebar{
        transform:translateX(-105%);
        width:288px;
        padding-top:84px;
        transition:var(--ease);
      }
      .app-sidebar.show{transform:translateX(0)}
      .main-shell{margin-left:0;padding-top:68px}
      .page-wrap{width:min(100% - 30px,760px)}
      .narrow-hero{padding:44px 0 34px;min-height:auto}
      .magazine-layout{grid-template-columns:1fr}
      .topic-index{position:relative;top:auto}
      .compare-panel,.cta-band{grid-template-columns:1fr}
      .footer-inner{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:767px){
      .section-space{padding:62px 0}
      .section-space-sm{padding:48px 0}
      .hero-copy{padding:24px}
      .summary-grid,.article-grid{grid-template-columns:1fr}
      .article-card.wide{grid-column:auto}
      .deconstruct{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .matrix-row{grid-template-columns:1fr}
      .cta-band{padding:24px}
    }
    @media (max-width:575px){
      .page-wrap{width:min(100% - 24px,520px)}
      .brand-copy{font-size:14px}
      .brand-copy small{font-size:11px}
      .hero-actions .btn-system,.hero-actions .btn-ghost,.cta-band .btn-system,.cta-band .btn-ghost{width:100%}
      .narrow-hero:before{width:220px;height:220px}
      .visual-board{padding:18px}
      .board-label{left:18px;right:18px;bottom:18px}
      .slice-a{width:64%}
      .slice-b{width:58%}
      .footer-legal{flex-direction:column}
    }

/* roulang page: category2 */
:root{
      --bg:#07111F;
      --bg-2:#081421;
      --panel:#0D1B2E;
      --panel-2:#10243A;
      --glass:rgba(255,255,255,.08);
      --glass-strong:rgba(255,255,255,.12);
      --line:rgba(139,184,255,.18);
      --line-strong:rgba(124,203,255,.36);
      --primary:#3BA7FF;
      --primary-2:#7CCBFF;
      --purple:#8C5CFF;
      --amber:#FFB86B;
      --green:#39E6C3;
      --text:#D6E4F5;
      --muted:#8FA6BF;
      --title:#F4F8FF;
      --danger-free:#FF7DAE;
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:16px;
      --shadow:0 24px 80px rgba(20,80,160,.22);
      --shadow-soft:0 18px 52px rgba(4,14,30,.42);
      --side:248px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(59,167,255,.20), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(140,92,255,.18), transparent 28%),
        radial-gradient(circle at 60% 92%, rgba(57,230,195,.08), transparent 34%),
        linear-gradient(145deg,var(--bg),var(--bg-2) 48%,#050B15);
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background-image:
        linear-gradient(rgba(139,184,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139,184,255,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.88),rgba(0,0,0,.25));
      pointer-events:none;
    }
    body::after{
      content:"";
      position:fixed;
      inset:auto -12% 0 auto;
      width:52vw;
      height:52vw;
      min-width:460px;
      min-height:460px;
      background:radial-gradient(circle,rgba(59,167,255,.14),rgba(140,92,255,.08) 34%,transparent 68%);
      filter:blur(18px);
      z-index:-1;
      pointer-events:none;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease;
    }
    a:hover{color:var(--primary-2)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    :focus-visible{
      outline:0;
      box-shadow:0 0 0 4px rgba(59,167,255,.24),0 0 0 1px rgba(124,203,255,.85);
    }
    ::selection{background:rgba(59,167,255,.32);color:#fff}

    .app-shell{
      width:var(--side);
      position:fixed;
      inset:0 auto 0 0;
      z-index:1030;
      padding:22px 18px;
      background:linear-gradient(180deg,rgba(13,27,46,.86),rgba(6,15,28,.76));
      border-right:1px solid var(--line);
      backdrop-filter:blur(22px);
      box-shadow:18px 0 60px rgba(0,0,0,.22);
      display:flex;
      flex-direction:column;
      gap:26px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:15px;
      background:
        linear-gradient(135deg,rgba(59,167,255,.95),rgba(140,92,255,.88)),
        radial-gradient(circle at 30% 30%,#fff,transparent 32%);
      position:relative;
      box-shadow:0 0 24px rgba(59,167,255,.42);
      overflow:hidden;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      inset:9px;
      border:1px solid rgba(255,255,255,.78);
      border-radius:8px;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:20px;
      height:2px;
      left:11px;
      top:20px;
      background:rgba(255,255,255,.88);
      transform:rotate(-28deg);
      box-shadow:0 7px 0 rgba(255,255,255,.34);
    }
    .brand-copy{
      display:flex;
      flex-direction:column;
      gap:2px;
      font-weight:800;
      letter-spacing:.01em;
      line-height:1.25;
      color:var(--title);
      font-size:15px;
    }
    .brand-copy small{
      color:var(--muted);
      font-size:11px;
      font-weight:500;
      letter-spacing:.08em;
    }
    .side-links{
      list-style:none;
      padding:0;
      margin:6px 0 0;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .side-links a{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      padding:13px 13px 13px 15px;
      border:1px solid transparent;
      border-radius:17px;
      color:#BFD3E9;
      font-weight:650;
      font-size:14px;
    }
    .side-links a i{
      color:#80BFFF;
      font-size:17px;
      transition:transform .22s ease,color .22s ease;
    }
    .side-links a::before{
      content:"";
      position:absolute;
      width:3px;
      height:20px;
      left:-4px;
      border-radius:999px;
      background:transparent;
      box-shadow:none;
    }
    .side-links a:hover{
      background:rgba(255,255,255,.07);
      border-color:rgba(124,203,255,.22);
      transform:translateX(3px);
      color:#fff;
    }
    .side-links a:hover i{transform:translateX(1px);color:var(--green)}
    .side-links a.active{
      background:linear-gradient(135deg,rgba(59,167,255,.18),rgba(140,92,255,.12));
      border-color:rgba(124,203,255,.34);
      color:#fff;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .side-links a.active::before{
      background:linear-gradient(180deg,var(--primary),var(--purple));
      box-shadow:0 0 18px rgba(59,167,255,.72);
    }
    .side-bottom{
      margin-top:auto;
      padding:16px;
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.055);
    }
    .side-domain{
      color:var(--primary-2);
      font-weight:700;
      font-size:13px;
      word-break:break-all;
    }
    .side-tags{
      display:flex;
      flex-wrap:wrap;
      gap:6px;
      margin-top:10px;
    }
    .mini-tag{
      display:inline-flex;
      align-items:center;
      gap:5px;
      padding:5px 8px;
      border-radius:999px;
      border:1px solid rgba(139,184,255,.18);
      background:rgba(255,255,255,.05);
      color:#B9CBE2;
      font-size:11px;
    }

    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:1040;
      padding:12px 16px;
      background:rgba(7,17,31,.86);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(20px);
    }
    .menu-toggle{
      width:44px;
      height:44px;
      border:1px solid rgba(124,203,255,.28);
      border-radius:14px;
      color:#fff;
      background:rgba(255,255,255,.07);
      display:grid;
      place-items:center;
      transition:transform .22s ease, background .22s ease, border-color .22s ease;
    }
    .menu-toggle:hover{
      transform:translateY(-1px);
      background:rgba(59,167,255,.14);
      border-color:rgba(124,203,255,.58);
    }
    .offcanvas{
      background:linear-gradient(180deg,#081421,#06101e);
      color:var(--text);
      border-right:1px solid var(--line);
    }
    .offcanvas .btn-close{filter:invert(1);opacity:.8}

    .page{
      margin-left:var(--side);
      min-height:100vh;
      display:flex;
      flex-direction:column;
    }
    .main-wrap{
      width:min(1220px,calc(100% - 48px));
      margin:0 auto;
    }
    main{flex:1}
    .section{
      padding:84px 0;
      position:relative;
    }
    .section.compact{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border:1px solid rgba(255,184,107,.28);
      background:rgba(255,184,107,.08);
      border-radius:999px;
      color:#FFD7A8;
      font-size:12px;
      font-weight:750;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .eyebrow i{color:var(--amber)}
    h1,h2,h3,h4{
      margin:0;
      color:var(--title);
      line-height:1.18;
      letter-spacing:-.025em;
    }
    h1{
      font-size:clamp(32px,4.4vw,54px);
      font-weight:850;
    }
    h2{
      font-size:clamp(25px,3vw,37px);
      font-weight:820;
    }
    h3{
      font-size:22px;
      font-weight:780;
    }
    p{margin:0;color:var(--text)}
    .lead{
      color:#BCD0E6;
      font-size:17px;
      line-height:1.85;
    }
    .muted{color:var(--muted)}
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#9ED8FF 42%,#BFA9FF 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .btn-neon,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:760;
      border:1px solid transparent;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      cursor:pointer;
    }
    .btn-neon{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--purple));
      box-shadow:0 14px 36px rgba(59,167,255,.28),0 0 0 1px rgba(255,255,255,.08) inset;
    }
    .btn-neon:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 48px rgba(59,167,255,.36),0 0 28px rgba(140,92,255,.22);
    }
    .btn-ghost{
      color:#DCEBFF;
      background:rgba(255,255,255,.06);
      border-color:rgba(124,203,255,.26);
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(59,167,255,.12);
      border-color:rgba(124,203,255,.6);
      transform:translateY(-2px);
    }

    .glass-card{
      border:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.045)),
        rgba(13,27,46,.55);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
      position:relative;
      overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,rgba(255,255,255,.12),transparent 32%,transparent 68%,rgba(124,203,255,.08));
      opacity:.65;
      pointer-events:none;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(124,203,255,.38);
      box-shadow:0 28px 90px rgba(20,80,160,.26);
    }
    .card-inner{position:relative;z-index:1;padding:28px}

    .category-hero{
      padding:58px 0 44px;
      position:relative;
      overflow:hidden;
    }
    .category-hero::after{
      content:"";
      position:absolute;
      inset:32px 38px auto auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(59,167,255,.19),rgba(140,92,255,.10) 42%,transparent 70%);
      filter:blur(10px);
      pointer-events:none;
    }
    .hero-panel{
      padding:34px;
      min-height:420px;
    }
    .hero-copy{
      padding:12px 0;
    }
    .hero-copy h1{margin-top:18px}
    .hero-copy .lead{margin-top:18px;max-width:650px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:28px;
    }
    .breadcrumb-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin-top:20px;
      color:var(--muted);
      font-size:13px;
    }
    .breadcrumb-line a{color:#A9D9FF}
    .breadcrumb-line i{font-size:12px;color:rgba(143,166,191,.72)}

    .dashboard{
      min-height:398px;
      padding:24px;
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:18px;
      background:
        radial-gradient(circle at 18% 16%,rgba(57,230,195,.14),transparent 30%),
        radial-gradient(circle at 82% 22%,rgba(140,92,255,.18),transparent 34%),
        linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
    }
    .dashboard-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#BFEFE6;
      font-size:12px;
      font-weight:720;
    }
    .status-dot::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 14px rgba(57,230,195,.72);
    }
    .phone-frame{
      border:1px solid rgba(124,203,255,.22);
      border-radius:30px;
      background:linear-gradient(180deg,rgba(8,20,33,.92),rgba(18,40,64,.74));
      padding:18px;
      position:relative;
      overflow:hidden;
      min-height:230px;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04), 0 18px 58px rgba(0,0,0,.28);
    }
    .phone-frame::before{
      content:"";
      position:absolute;
      top:10px;
      left:50%;
      width:72px;
      height:5px;
      transform:translateX(-50%);
      border-radius:999px;
      background:rgba(214,228,245,.28);
    }
    .scan-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:12px;
      height:100%;
      padding-top:12px;
    }
    .visual-tile{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.1);
      min-height:82px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg,rgba(59,167,255,.22),transparent),
        radial-gradient(circle at 75% 30%,rgba(255,184,107,.16),transparent 32%),
        rgba(255,255,255,.045);
    }
    .visual-tile.tall{grid-row:span 2}
    .visual-tile.purple{
      background:
        linear-gradient(135deg,rgba(140,92,255,.25),transparent),
        radial-gradient(circle at 20% 80%,rgba(57,230,195,.16),transparent 32%),
        rgba(255,255,255,.045);
    }
    .visual-tile.amber{
      background:
        linear-gradient(135deg,rgba(255,184,107,.22),transparent),
        radial-gradient(circle at 82% 30%,rgba(59,167,255,.16),transparent 34%),
        rgba(255,255,255,.045);
    }
    .visual-tile::after{
      content:"";
      position:absolute;
      inset:0;
      background:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 8px);
      opacity:.45;
    }
    .dashboard-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .metric{
      padding:13px 12px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(139,184,255,.16);
    }
    .metric strong{
      display:block;
      font-size:24px;
      line-height:1.1;
      color:#fff;
      letter-spacing:-.04em;
    }
    .metric span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:5px;
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:28px;
    }
    .section-head p{max-width:650px}
    .kicker{
      display:block;
      margin-bottom:12px;
      color:var(--primary-2);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }

    .intro-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .viewpoint{
      padding:32px;
    }
    .quote-mark{
      width:48px;
      height:48px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,rgba(59,167,255,.9),rgba(140,92,255,.82));
      box-shadow:0 16px 36px rgba(59,167,255,.26);
      margin-bottom:18px;
    }
    .point-list{
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:13px;
    }
    .point-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border:1px solid rgba(139,184,255,.15);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .point-list i{
      color:var(--green);
      margin-top:3px;
      flex:0 0 auto;
    }
    .indicator-stack{
      display:grid;
      gap:14px;
    }
    .indicator{
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(139,184,255,.18);
      background:rgba(255,255,255,.06);
      position:relative;
      overflow:hidden;
    }
    .indicator::after{
      content:"";
      position:absolute;
      left:0;
      bottom:0;
      height:3px;
      width:var(--w,72%);
      background:linear-gradient(90deg,var(--primary),var(--purple));
      box-shadow:0 0 16px rgba(59,167,255,.44);
    }
    .indicator b{
      display:block;
      font-size:30px;
      color:#fff;
      line-height:1;
      letter-spacing:-.04em;
    }
    .indicator span{
      display:block;
      color:var(--muted);
      margin-top:8px;
      font-size:14px;
    }

    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .scene-card{
      min-height:246px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .scene-visual{
      height:92px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.11);
      margin-bottom:20px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg,rgba(59,167,255,.18),rgba(140,92,255,.14)),
        rgba(255,255,255,.035);
    }
    .scene-visual::before{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:15px;
    }
    .scene-visual::after{
      content:"";
      position:absolute;
      width:90px;
      height:90px;
      right:-18px;
      top:-22px;
      border-radius:50%;
      background:rgba(124,203,255,.18);
      filter:blur(2px);
    }
    .scene-card:nth-child(2) .scene-visual{background:linear-gradient(135deg,rgba(255,184,107,.17),rgba(59,167,255,.13)),rgba(255,255,255,.035)}
    .scene-card:nth-child(3) .scene-visual{background:linear-gradient(135deg,rgba(140,92,255,.22),rgba(57,230,195,.12)),rgba(255,255,255,.035)}
    .scene-card:nth-child(4) .scene-visual{background:linear-gradient(135deg,rgba(13,27,46,.9),rgba(59,167,255,.18),rgba(140,92,255,.18))}
    .scene-card:nth-child(5) .scene-visual{background:linear-gradient(135deg,rgba(57,230,195,.15),rgba(59,167,255,.18)),rgba(255,255,255,.035)}
    .scene-card:nth-child(6) .scene-visual{background:linear-gradient(135deg,rgba(255,184,107,.14),rgba(140,92,255,.22)),rgba(255,255,255,.035)}
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      border:1px solid rgba(139,184,255,.18);
      background:rgba(255,255,255,.055);
      color:#BFD5EB;
      font-size:12px;
      font-weight:650;
    }
    .tag.amber{
      border-color:rgba(255,184,107,.28);
      color:#FFD3A0;
      background:rgba(255,184,107,.08);
    }
    .tag.green{
      border-color:rgba(57,230,195,.25);
      color:#A8FFF0;
      background:rgba(57,230,195,.07);
    }

    .audience-board{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
      align-items:start;
    }
    .index-card{
      position:sticky;
      top:26px;
      padding:30px;
    }
    .age-pill{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:17px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(139,184,255,.15);
      margin-top:12px;
    }
    .age-pill strong{color:#fff}
    .age-pill span{color:var(--muted);font-size:13px}
    .timeline{
      display:grid;
      gap:16px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:88px 1fr;
      gap:18px;
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(139,184,255,.18);
      background:linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .timeline-item:hover{
      transform:translateX(4px);
      border-color:rgba(124,203,255,.38);
      background:linear-gradient(135deg,rgba(59,167,255,.105),rgba(255,255,255,.04));
    }
    .timeline-num{
      width:64px;
      height:64px;
      border-radius:22px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:850;
      background:linear-gradient(135deg,rgba(59,167,255,.86),rgba(140,92,255,.76));
      box-shadow:0 16px 32px rgba(59,167,255,.22);
    }
    .timeline-item h3{margin-bottom:8px}
    .timeline-item p{color:#BFD0E2}

    .method-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:method;
    }
    .method-card{
      padding:24px;
      min-height:252px;
    }
    .method-card::after{
      counter-increment:method;
      content:"0" counter(method);
      position:absolute;
      right:22px;
      top:18px;
      color:rgba(124,203,255,.22);
      font-size:44px;
      font-weight:900;
      letter-spacing:-.08em;
      z-index:0;
    }
    .method-icon{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      background:rgba(59,167,255,.15);
      border:1px solid rgba(124,203,255,.26);
      margin-bottom:18px;
    }
    .method-card h3{position:relative;z-index:1;margin-bottom:12px}
    .method-card p{position:relative;z-index:1;color:#B9CBE2}

    .comparison-panel{
      padding:30px;
    }
    .balance-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:24px;
    }
    .balance-card{
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(139,184,255,.16);
      background:rgba(255,255,255,.05);
    }
    .balance-card.highlight{
      border-color:rgba(57,230,195,.33);
      background:linear-gradient(135deg,rgba(57,230,195,.09),rgba(59,167,255,.055));
      box-shadow:0 18px 50px rgba(57,230,195,.08);
    }
    .balance-card h3{margin-bottom:10px}
    .rule-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:10px;
    }
    .rule-list li{
      display:flex;
      gap:10px;
      color:#C2D3E6;
      font-size:15px;
    }
    .rule-list i{
      color:var(--green);
      margin-top:3px;
    }

    .accordion{
      display:grid;
      gap:14px;
    }
    .accordion-item{
      overflow:hidden;
      border:1px solid rgba(139,184,255,.18)!important;
      border-radius:22px!important;
      background:rgba(255,255,255,.055)!important;
      color:var(--text);
    }
    .accordion-button{
      padding:20px 22px;
      color:#fff!important;
      background:transparent!important;
      box-shadow:none!important;
      font-weight:780;
      line-height:1.5;
    }
    .accordion-button::after{
      filter:invert(1) brightness(1.8);
      opacity:.75;
    }
    .accordion-button:not(.collapsed){
      background:linear-gradient(135deg,rgba(59,167,255,.12),rgba(140,92,255,.08))!important;
      border-bottom:1px solid rgba(139,184,255,.14);
    }
    .accordion-body{
      padding:20px 22px 24px;
      color:#BFD0E2;
      background:rgba(0,0,0,.06);
    }

    .contact-card{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      padding:34px;
      align-items:stretch;
    }
    .contact-copy{
      padding:6px 0;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:24px;
    }
    .contact-mini{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .contact-mini div{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#C4D6EA;
    }
    .contact-mini i{color:var(--primary-2);margin-top:3px}
    .form-label{
      color:#DCEAFF;
      font-weight:700;
      font-size:14px;
      margin-bottom:7px;
    }
    .form-control,.form-select{
      border-radius:16px;
      border:1px solid #24445F;
      background:rgba(3,10,20,.42);
      color:#fff;
      min-height:48px;
      padding:11px 14px;
      box-shadow:none!important;
    }
    .form-control::placeholder{color:#6F879F}
    .form-control:focus,.form-select:focus{
      background:rgba(3,10,20,.56);
      border-color:rgba(59,167,255,.82);
      color:#fff;
      box-shadow:0 0 0 4px rgba(59,167,255,.16)!important;
    }
    .form-select option{background:#0D1B2E;color:#fff}
    textarea.form-control{min-height:120px;resize:vertical}
    .form-note{
      color:var(--muted);
      font-size:13px;
      margin-top:12px;
    }

    footer{
      width:min(1220px,calc(100% - 48px));
      margin:0 auto;
      padding:34px 0 38px;
      color:var(--muted);
    }
    .footer-inner{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:28px;
    }
    .footer-brand{
      display:grid;
      gap:16px;
    }
    .footer-legal{
      display:flex;
      flex-wrap:wrap;
      gap:10px 16px;
      color:#86A0BA;
      font-size:13px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
      max-width:520px;
    }
    .footer-links a{
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(139,184,255,.14);
      background:rgba(255,255,255,.04);
      color:#B8CCE2;
      font-size:13px;
      font-weight:650;
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(124,203,255,.38);
      background:rgba(59,167,255,.10);
      transform:translateY(-1px);
    }
    .divider-line{
      height:1px;
      margin-top:26px;
      background:linear-gradient(90deg,transparent,rgba(139,184,255,.22),transparent);
    }

    @media (max-width:1199.98px){
      :root{--side:224px}
      .app-shell{padding:20px 14px}
      .main-wrap{width:min(1080px,calc(100% - 40px))}
      .matrix-grid{grid-template-columns:repeat(2,1fr)}
      .method-strip{grid-template-columns:repeat(2,1fr)}
      .balance-grid{grid-template-columns:1fr}
    }
    @media (max-width:991.98px){
      .app-shell{display:none}
      .mobile-topbar{display:flex;align-items:center;justify-content:space-between;gap:14px}
      .page{margin-left:0}
      .main-wrap,footer{width:min(100% - 32px,760px)}
      .category-hero{padding:42px 0 34px}
      .section{padding:64px 0}
      .hero-panel{padding:24px}
      .intro-grid,.audience-board,.contact-card{grid-template-columns:1fr}
      .index-card{position:relative;top:auto}
      .section-head{align-items:flex-start;flex-direction:column}
      .dashboard{min-height:auto}
      .footer-inner{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:767.98px){
      .matrix-grid,.method-strip{grid-template-columns:1fr}
      .dashboard-metrics{grid-template-columns:1fr}
      .scan-grid{grid-template-columns:1fr}
      .visual-tile.tall{grid-row:auto}
      .timeline-item{grid-template-columns:1fr}
      .timeline-num{width:56px;height:56px;border-radius:19px}
      .hero-actions{flex-direction:column}
      .btn-neon,.btn-ghost{width:100%}
      .contact-card,.hero-panel,.comparison-panel{padding:22px}
      .card-inner,.viewpoint{padding:22px}
      .footer-links{gap:8px}
    }
    @media (max-width:575.98px){
      .mobile-topbar .brand-copy{font-size:13px}
      .mobile-topbar .brand-copy small{font-size:10px}
      h1{font-size:31px}
      h2{font-size:25px}
      h3{font-size:20px}
      .lead{font-size:16px}
      .section{padding:54px 0}
      .metric strong{font-size:22px}
      .breadcrumb-line{font-size:12px}
      .footer-legal{flex-direction:column;gap:6px}
    }