/* roulang page: index */
:root{
      --bg-0:#06101e;
      --bg-1:#09152a;
      --bg-2:#0e1d38;
      --panel:rgba(11, 22, 43, .70);
      --panel-2:rgba(15, 28, 52, .82);
      --line:rgba(160, 191, 255, .16);
      --line-strong:rgba(82, 201, 255, .28);
      --text:#edf5ff;
      --muted:#9fb1cf;
      --soft:#d5e2ff;
      --brand:#44d8ff;
      --brand-2:#7968ff;
      --brand-3:#38ef9d;
      --warn:#ffcc66;
      --danger:#ff6b6b;
      --shadow:0 24px 70px rgba(0, 0, 0, .34);
      --shadow-soft:0 12px 36px rgba(0, 0, 0, .20);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:18px;
      --radius-sm:14px;
      --sidebar-collapsed:88px;
      --sidebar-expanded:248px;
      --max:1440px;
      --transition:220ms cubic-bezier(.2,.7,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 12%, rgba(68,216,255,.13), transparent 24%),
        radial-gradient(circle at 82% 14%, rgba(121,104,255,.11), transparent 28%),
        radial-gradient(circle at 50% 76%, rgba(56,239,157,.07), transparent 22%),
        linear-gradient(180deg, var(--bg-0), var(--bg-1) 36%, var(--bg-0) 100%);
      min-height:100vh;
      overflow-x:hidden;
    }

    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.85), rgba(0,0,0,.18));
      opacity:.5;
      z-index:0;
    }

    img{max-width:100%;display:block}
    a{color:inherit}
    button,input,summary{font:inherit}
    button{border:0;background:none}
    ::selection{background:rgba(68,216,255,.28);color:#fff}
    :focus-visible{outline:2px solid var(--brand); outline-offset:3px}

    .site-bg{
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:0;
      background:
        radial-gradient(circle at 50% 0%, rgba(68,216,255,.05), transparent 30%),
        linear-gradient(180deg, rgba(4,10,20,.2), rgba(4,10,20,.48));
    }

    .app-shell{
      position:relative;
      z-index:1;
      min-height:100vh;
    }

    .sidebar{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--sidebar-collapsed);
      padding:14px 12px;
      display:flex;
      flex-direction:column;
      gap:14px;
      background:linear-gradient(180deg, rgba(8,16,32,.82), rgba(10,18,35,.74));
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-right:1px solid rgba(164, 198, 255, .14);
      box-shadow: inset -1px 0 0 rgba(255,255,255,.04), 18px 0 60px rgba(0,0,0,.22);
      z-index:50;
      transition: width var(--transition), transform var(--transition);
    }

    body.sidebar-open .sidebar{width:var(--sidebar-expanded)}

    .sidebar-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:2px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      text-decoration:none;
      color:var(--text);
    }

    .brand-mark{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      font-weight:900;
      letter-spacing:.5px;
      color:#08111d;
      background:
        linear-gradient(135deg, rgba(68,216,255,1), rgba(121,104,255,1) 62%, rgba(56,239,157,1));
      box-shadow: 0 12px 30px rgba(68,216,255,.22), inset 0 1px 0 rgba(255,255,255,.34);
      flex:0 0 auto;
    }

    .brand-text{
      display:none;
      min-width:0;
    }

    .brand-text strong{
      display:block;
      font-size:1rem;
      line-height:1.2;
      letter-spacing:.2px;
    }

    .brand-text small{
      display:block;
      margin-top:3px;
      font-size:.78rem;
      color:var(--muted);
    }

    body.sidebar-open .brand-text{display:block}

    .menu-toggle{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(165,196,255,.14);
      color:var(--text);
      cursor:pointer;
      transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
    }

    .menu-toggle:hover{
      transform:translateY(-1px);
      border-color:rgba(68,216,255,.32);
      box-shadow:0 12px 26px rgba(0,0,0,.2);
    }

    .menu-toggle:active{transform:translateY(0)}

    .menu-lines{
      width:16px;
      height:12px;
      position:relative;
      display:block;
    }

    .menu-lines::before,
    .menu-lines::after,
    .menu-lines span{
      content:"";
      position:absolute;
      left:0;
      width:100%;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, var(--brand), rgba(255,255,255,.9));
      box-shadow:0 0 14px rgba(68,216,255,.32);
      transition:transform var(--transition), opacity var(--transition), top var(--transition), bottom var(--transition);
    }

    .menu-lines::before{top:0}
    .menu-lines span{top:5px}
    .menu-lines::after{bottom:0}

    body.sidebar-open .menu-lines::before{top:5px;transform:rotate(45deg)}
    body.sidebar-open .menu-lines span{opacity:0}
    body.sidebar-open .menu-lines::after{bottom:5px;transform:rotate(-45deg)}

    .side-nav{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding-top:2px;
    }

    .nav-item{
      display:flex;
      align-items:center;
      gap:12px;
      min-height:48px;
      padding:10px 10px;
      border-radius:16px;
      text-decoration:none;
      color:var(--muted);
      border:1px solid transparent;
      background:transparent;
      transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
      position:relative;
      overflow:hidden;
    }

    .nav-item::after{
      content:"";
      position:absolute;
      inset:auto 10px 8px 10px;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(68,216,255,.45), transparent);
      opacity:0;
      transition:opacity var(--transition);
    }

    .nav-item:hover,
    .nav-item:focus-visible,
    .nav-item.active{
      color:var(--text);
      background:linear-gradient(135deg, rgba(68,216,255,.11), rgba(121,104,255,.08));
      border-color:rgba(68,216,255,.18);
      box-shadow:0 12px 30px rgba(0,0,0,.18);
      transform:translateX(2px);
    }

    .nav-item:hover::after,
    .nav-item.active::after{opacity:1}

    .nav-ico{
      width:30px;
      height:30px;
      border-radius:12px;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      color:#08111d;
      background:linear-gradient(135deg, rgba(68,216,255,1), rgba(121,104,255,1));
      box-shadow:0 10px 18px rgba(68,216,255,.18);
      font-size:.82rem;
      font-weight:800;
    }

    .nav-label{
      white-space:nowrap;
      font-weight:700;
      opacity:0;
      transform:translateX(-4px);
      transition: opacity var(--transition), transform var(--transition);
    }

    body.sidebar-open .nav-label{
      opacity:1;
      transform:none;
    }

    .quick-links{
      display:grid;
      gap:8px;
      margin-top:4px;
      padding-top:10px;
      border-top:1px solid rgba(164,196,255,.12);
    }

    .quick-links a{
      text-decoration:none;
      color:var(--muted);
      font-size:.82rem;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(164,196,255,.12);
      background:rgba(255,255,255,.02);
      opacity:0;
      transform:translateX(-4px);
      transition: opacity var(--transition), transform var(--transition), border-color var(--transition), color var(--transition), background var(--transition);
    }

    .quick-links a:hover{
      color:var(--text);
      border-color:rgba(68,216,255,.24);
      background:rgba(68,216,255,.08);
    }

    body.sidebar-open .quick-links a{
      opacity:1;
      transform:none;
    }

    .sidebar-card{
      margin-top:auto;
      padding:14px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(68,216,255,.12), rgba(121,104,255,.06)),
        rgba(255,255,255,.03);
      border:1px solid rgba(68,216,255,.16);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }

    .sidebar-card strong{
      display:block;
      font-size:.95rem;
      margin-bottom:6px;
    }

    .sidebar-card p{
      margin:0;
      color:var(--muted);
      line-height:1.7;
      font-size:.86rem;
    }

    .sidebar-card .btn{
      margin-top:12px;
      width:100%;
      justify-content:center;
    }

    .content{
      margin-left:var(--sidebar-collapsed);
      transition: margin-left var(--transition);
      min-height:100vh;
    }

    body.sidebar-open .content{margin-left:var(--sidebar-expanded)}

    .topbar{
      position:sticky;
      top:0;
      z-index:25;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px clamp(14px, 2vw, 24px);
      background:linear-gradient(180deg, rgba(6,16,30,.94), rgba(6,16,30,.68));
      border-bottom:1px solid rgba(165,196,255,.12);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .topbar-left{
      min-width:0;
    }

    .crumb{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:.84rem;
      letter-spacing:.2px;
    }

    .crumb::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 12px rgba(68,216,255,.55);
    }

    .topbar h2{
      margin:4px 0 0;
      font-size:1rem;
      line-height:1.35;
      color:var(--text);
      letter-spacing:.2px;
    }

    .topbar-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }

    .topbar-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(164,196,255,.14);
      background:rgba(255,255,255,.04);
      color:var(--soft);
      text-decoration:none;
      font-size:.88rem;
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }

    .topbar-chip:hover{
      transform:translateY(-1px);
      border-color:rgba(68,216,255,.28);
      background:rgba(68,216,255,.08);
    }

    .content-inner{
      max-width:var(--max);
      margin:0 auto;
      padding: 16px clamp(14px, 2vw, 24px) 34px;
    }

    .section{
      margin-top:20px;
      scroll-margin-top:110px;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:14px;
    }

    .section-title{
      margin:0;
      font-size:clamp(1.35rem, 2vw, 2rem);
      line-height:1.15;
      letter-spacing:.2px;
    }

    .section-desc{
      margin:0;
      color:var(--muted);
      line-height:1.85;
      max-width:840px;
      font-size:.98rem;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(68,216,255,.08);
      border:1px solid rgba(68,216,255,.18);
      color:#cbefff;
      font-size:.82rem;
      letter-spacing:.3px;
      margin-bottom:14px;
    }

    .eyebrow i{
      width:8px;
      height:8px;
      border-radius:50%;
      display:inline-block;
      background:var(--brand);
      box-shadow:0 0 12px rgba(68,216,255,.5);
    }

    .hero-panel{
      display:grid;
      grid-template-columns:1.18fr .92fr;
      gap:16px;
      align-items:stretch;
    }

    .hero-copy,
    .hero-showcase,
    .card,
    .compare-box,
    .notice,
    .faq-block,
    .price,
    .step{
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
        var(--panel);
      border:1px solid rgba(164,196,255,.14);
      box-shadow:var(--shadow-soft);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .hero-copy{
      position:relative;
      overflow:hidden;
      padding: clamp(20px, 3vw, 34px);
      border-radius: 30px;
    }

    .hero-copy::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(circle at 18% 14%, rgba(68,216,255,.14), transparent 24%),
        radial-gradient(circle at 78% 10%, rgba(121,104,255,.13), transparent 24%),
        linear-gradient(135deg, transparent 0%, rgba(68,216,255,.04) 100%);
      pointer-events:none;
    }

    .hero-copy > *{position:relative; z-index:1}

    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:0 0 14px;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(164,196,255,.14);
      color:#d9e7ff;
      background:rgba(255,255,255,.04);
      font-size:.84rem;
      white-space:nowrap;
    }

    .tag strong{
      color:var(--brand);
      font-weight:800;
    }

    h1{
      margin:0;
      font-size:clamp(2.2rem, 5vw, 4.35rem);
      line-height:1.04;
      letter-spacing:-.6px;
      max-width:12.5ch;
    }

    .hero-sub{
      margin:16px 0 0;
      max-width:62ch;
      color:var(--muted);
      line-height:1.95;
      font-size:1.02rem;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 18px;
      border-radius:16px;
      text-decoration:none;
      font-weight:800;
      letter-spacing:.15px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), filter var(--transition), opacity var(--transition);
      cursor:pointer;
      user-select:none;
      position:relative;
      overflow:hidden;
    }

    .btn::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg, transparent 0%, rgba(255,255,255,.18) 18%, transparent 36%);
      transform:translateX(-120%);
      transition: transform .7s ease;
    }

    .btn:hover::after{transform:translateX(120%)}

    .btn:hover{
      transform:translateY(-2px);
      filter:brightness(1.03);
    }

    .btn:active{transform:translateY(0)}

    .btn-primary{
      color:#07111c;
      background:linear-gradient(135deg, rgba(68,216,255,1), rgba(121,104,255,1));
      box-shadow: 0 18px 32px rgba(68,216,255,.14), inset 0 1px 0 rgba(255,255,255,.35);
    }

    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(164,196,255,.18);
    }

    .btn-ghost{
      color:#cfe5ff;
      background:rgba(68,216,255,.08);
      border:1px solid rgba(68,216,255,.18);
    }

    .btn.disabled,
    .btn[disabled]{
      pointer-events:none;
      opacity:.45;
      filter:saturate(.45);
      transform:none;
    }

    .btn.loading{
      padding-right:16px;
    }

    .btn.loading .spinner{
      width:14px;
      height:14px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.36);
      border-top-color:currentColor;
      animation:spin 1s linear infinite;
      display:inline-block;
    }

    @keyframes spin{to{transform:rotate(360deg)}}

    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:10px;
      margin-top:20px;
    }

    .metric{
      padding:13px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(164,196,255,.12);
    }

    .metric strong{
      display:block;
      font-size:1.02rem;
      line-height:1.25;
      letter-spacing:.2px;
      color:#f1f7ff;
    }

    .metric span{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:.86rem;
      line-height:1.55;
    }

    .hero-showcase{
      border-radius:30px;
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      overflow:hidden;
      position:relative;
    }

    .hero-showcase::before{
      content:"";
      position:absolute;
      inset:auto -18% -32% auto;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(68,216,255,.16), transparent 60%);
      filter:blur(2px);
      pointer-events:none;
    }

    .showcase-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      position:relative;
      z-index:1;
    }

    .ring-wrap{
      display:flex;
      align-items:center;
      gap:14px;
    }

    .ring{
      width:154px;
      height:154px;
      border-radius:50%;
      display:grid;
      place-items:center;
      position:relative;
      background:
        conic-gradient(from 210deg, var(--brand) 0 290deg, rgba(255,255,255,.08) 290deg 360deg);
      box-shadow:0 14px 30px rgba(0,0,0,.22), 0 0 0 1px rgba(68,216,255,.12);
    }

    .ring::after{
      content:"";
      position:absolute;
      inset:13px;
      border-radius:50%;
      background:linear-gradient(180deg, rgba(10,18,35,.94), rgba(14,27,50,.92));
      border:1px solid rgba(164,196,255,.12);
    }

    .ring-inner{
      position:relative;
      z-index:1;
      text-align:center;
    }

    .ring-inner b{
      display:block;
      font-size:2.2rem;
      line-height:1;
      color:#f2f9ff;
    }

    .ring-inner small{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:.83rem;
      letter-spacing:.2px;
    }

    .showcase-meta{
      flex:1;
      min-width:0;
      padding-top:6px;
    }

    .showcase-meta strong{
      display:block;
      font-size:1.04rem;
      margin-bottom:8px;
    }

    .showcase-meta p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.92rem;
    }

    .showcase-list{
      display:grid;
      gap:10px;
      position:relative;
      z-index:1;
    }

    .tier{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      padding:13px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(164,196,255,.12);
    }

    .tier .name{
      font-weight:800;
      margin-bottom:5px;
    }

    .tier .desc{
      color:var(--muted);
      font-size:.88rem;
      line-height:1.65;
    }

    .tier .price{
      min-width:max-content;
      background:transparent;
      border:0;
      box-shadow:none;
      padding:0;
      color:#f1f8ff;
      font-weight:900;
      font-size:1rem;
    }

    .state-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:2px;
    }

    .state-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(164,196,255,.12);
      background:rgba(255,255,255,.03);
      color:#dfeaff;
      font-size:.8rem;
    }

    .state-chip::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--muted);
      box-shadow:0 0 0 4px rgba(255,255,255,.02);
    }

    .state-chip.active::before{background:var(--brand)}
    .state-chip.loading{
      padding-left:15px;
      position:relative;
    }

    .state-chip.loading::before{
      background:transparent;
      width:8px;
      height:8px;
      border:2px solid rgba(68,216,255,.28);
      border-top-color:var(--brand);
      animation:spin 1s linear infinite;
    }

    .state-chip.empty::before{background:var(--warn)}
    .state-chip.error::before{background:var(--danger)}
    .state-chip.disabled{
      opacity:.5;
    }

    .mini-form{
      display:flex;
      gap:10px;
      margin-top:auto;
      padding-top:4px;
      position:relative;
      z-index:1;
    }

    .mini-form input{
      flex:1;
      min-width:0;
      height:48px;
      padding:0 14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(164,196,255,.14);
      color:var(--text);
      outline:none;
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .mini-form input::placeholder{color:#91a3c2}
    .mini-form input:focus{
      border-color:rgba(68,216,255,.35);
      box-shadow:0 0 0 4px rgba(68,216,255,.12);
      background:rgba(255,255,255,.06);
    }

    .mini-form button{
      min-width:104px;
    }

    .grid{
      display:grid;
      gap:12px;
    }

    .grid-4{grid-template-columns:repeat(4, minmax(0, 1fr))}
    .grid-3{grid-template-columns:repeat(3, minmax(0, 1fr))}
    .grid-2{grid-template-columns:repeat(2, minmax(0, 1fr))}

    .card{
      position:relative;
      overflow:hidden;
      padding:16px;
      border-radius:24px;
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(68,216,255,.24);
      box-shadow:0 18px 38px rgba(0,0,0,.24), 0 0 0 1px rgba(68,216,255,.08);
    }

    .card::before{
      content:"";
      position:absolute;
      inset:auto -20% -28% auto;
      width:160px;
      height:160px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(68,216,255,.09), transparent 66%);
      pointer-events:none;
    }

    .card > *{position:relative; z-index:1}

    .card-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#08111d;
      background:linear-gradient(135deg, rgba(68,216,255,1), rgba(121,104,255,1));
      box-shadow:0 10px 18px rgba(68,216,255,.16);
      font-weight:900;
      letter-spacing:.3px;
      margin-bottom:12px;
    }

    .card-title{
      margin:0;
      font-size:1.05rem;
      line-height:1.35;
      letter-spacing:.15px;
    }

    .card p{
      margin:8px 0 0;
      color:var(--muted);
      line-height:1.8;
      font-size:.94rem;
    }

    .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:14px;
    }

    .card-foot .mini{
      color:#cfe1ff;
      font-size:.84rem;
    }

    .card-foot .btn{
      min-height:38px;
      padding:0 14px;
      border-radius:12px;
      font-size:.88rem;
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(68,216,255,.08);
      border:1px solid rgba(68,216,255,.18);
      color:#d7f4ff;
      font-size:.78rem;
      white-space:nowrap;
    }

    .badge.green{
      background:rgba(56,239,157,.1);
      border-color:rgba(56,239,157,.18);
      color:#cdf9e4;
    }

    .badge.yellow{
      background:rgba(255,204,102,.1);
      border-color:rgba(255,204,102,.2);
      color:#ffe7b4;
    }

    .badge.red{
      background:rgba(255,107,107,.1);
      border-color:rgba(255,107,107,.2);
      color:#ffd2d2;
    }

    .section-surface{
      padding:18px;
      border-radius:28px;
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
      border:1px solid rgba(164,196,255,.12);
      box-shadow:var(--shadow-soft);
    }

    .scenarios{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
    }

    .step{
      padding:16px;
      border-radius:22px;
    }

    .step-head{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:12px;
    }

    .step-num{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      font-size:.88rem;
      font-weight:900;
      color:#08111d;
      background:linear-gradient(135deg, rgba(68,216,255,1), rgba(121,104,255,1));
      box-shadow:0 10px 18px rgba(68,216,255,.16);
      flex:0 0 auto;
    }

    .step-title{
      margin:0;
      font-size:1rem;
      line-height:1.25;
    }

    .step p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      font-size:.92rem;
    }

    .result-strip{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
    }

    .result{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(68,216,255,.07), rgba(255,255,255,.03));
      border:1px solid rgba(68,216,255,.14);
    }

    .result strong{
      display:block;
      font-size:2rem;
      line-height:1;
      margin-bottom:8px;
      letter-spacing:-.5px;
    }

    .result span{
      display:block;
      color:var(--muted);
      line-height:1.75;
      font-size:.92rem;
    }

    .compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:12px;
    }

    .compare-box{
      padding:18px;
      border-radius:22px;
    }

    .compare-box h4{
      margin:0 0 10px;
      font-size:1.02rem;
    }

    .compare-box ul{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }

    .compare-box li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      line-height:1.7;
      font-size:.94rem;
    }

    .compare-box li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:.55rem;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 4px rgba(68,216,255,.08);
      flex:0 0 auto;
    }

    .feedback-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:12px;
      margin-top:12px;
    }

    .quote{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(164,196,255,.12);
    }

    .quote p{
      margin:0;
      color:#dde9fb;
      line-height:1.85;
    }

    .quote small{
      display:block;
      margin-top:10px;
      color:var(--muted);
    }

    .price-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
    }

    .price{
      padding:20px;
      border-radius:26px;
      position:relative;
    }

    .price.recommended{
      border-color:rgba(68,216,255,.26);
      box-shadow:0 18px 46px rgba(0,0,0,.24), 0 0 0 1px rgba(68,216,255,.08);
      transform:translateY(-4px);
      background:
        linear-gradient(180deg, rgba(68,216,255,.10), rgba(255,255,255,.03)),
        var(--panel-2);
    }

    .price-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:10px;
    }

    .price-name{
      margin:0;
      font-size:1.1rem;
    }

    .price .amount{
      display:block;
      font-size:2.2rem;
      font-weight:900;
      margin:14px 0 8px;
      letter-spacing:-.8px;
    }

    .price .amount small{
      font-size:.9rem;
      color:var(--muted);
      font-weight:600;
    }

    .price p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
    }

    .price ul{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:9px;
    }

    .price li{
      color:#dfeaff;
      line-height:1.7;
      display:flex;
      gap:8px;
    }

    .price li::before{
      content:"✓";
      color:var(--brand-3);
      font-weight:900;
      flex:0 0 auto;
    }

    .price .btn{
      width:100%;
      margin-top:18px;
    }

    .news-grid{
      display:grid;
      grid-template-columns:1.25fr .85fr;
      gap:12px;
    }

    .news-list{
      display:grid;
      gap:10px;
    }

    .news-item{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
      text-decoration:none;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(164,196,255,.12);
      transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }

    .news-item:hover{
      transform:translateX(2px);
      border-color:rgba(68,216,255,.24);
      background:rgba(68,216,255,.06);
      box-shadow:0 12px 30px rgba(0,0,0,.16);
    }

    .news-item strong{
      display:block;
      font-size:1rem;
      line-height:1.55;
      margin-bottom:6px;
    }

    .news-item span{
      color:var(--muted);
      font-size:.86rem;
      line-height:1.5;
    }

    .news-item em{
      color:#dff5ff;
      font-style:normal;
      font-size:.8rem;
      border-radius:999px;
      padding:7px 10px;
      background:rgba(68,216,255,.08);
      border:1px solid rgba(68,216,255,.18);
      white-space:nowrap;
      flex:0 0 auto;
    }

    .notice{
      padding:18px;
      border-radius:24px;
    }

    .notice h4{
      margin:0 0 10px;
      font-size:1.05rem;
    }

    .notice p{
      margin:0;
      color:var(--muted);
      line-height:1.85;
    }

    .notice-list{
      display:grid;
      gap:10px;
      margin-top:14px;
    }

    .notice-list .line{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dfe8fa;
      line-height:1.7;
      font-size:.94rem;
    }

    .notice-list .line::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:.55rem;
      background:var(--brand-3);
      box-shadow:0 0 0 4px rgba(56,239,157,.08);
    }

    .faq-block{
      border-radius:22px;
      overflow:hidden;
    }

    details.faq{
      border-bottom:1px solid rgba(164,196,255,.12);
      background:rgba(255,255,255,.02);
    }

    details.faq:last-child{border-bottom:0}

    summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:16px 18px;
      font-weight:800;
      line-height:1.5;
    }

    summary::-webkit-details-marker{display:none}

    summary::after{
      content:"＋";
      color:var(--brand);
      font-size:1.1rem;
      flex:0 0 auto;
      transition:transform var(--transition);
    }

    details[open] summary::after{
      content:"－";
    }

    .answer{
      padding:0 18px 18px;
      color:var(--muted);
      line-height:1.9;
    }

    .guide{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }

    .timeline{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }

    .timeline li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      line-height:1.8;
    }

    .timeline .dot{
      width:11px;
      height:11px;
      border-radius:50%;
      margin-top:.5rem;
      background:var(--brand);
      box-shadow:0 0 0 4px rgba(68,216,255,.08);
      flex:0 0 auto;
    }

    .pill-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }

    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(164,196,255,.12);
      background:rgba(255,255,255,.04);
      color:#dde9fb;
      font-size:.82rem;
    }

    .pill strong{color:var(--brand)}

    .footer{
      margin-top:24px;
      padding:24px 0 8px;
      border-top:1px solid rgba(164,196,255,.12);
      color:var(--muted);
    }

    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .8fr;
      gap:14px;
    }

    .footer h4{
      margin:0 0 12px;
      color:var(--text);
      font-size:1rem;
    }

    .footer p{
      margin:0;
      line-height:1.9;
    }

    .footer-links{
      display:grid;
      gap:10px;
    }

    .footer-links a{
      text-decoration:none;
      color:var(--muted);
      transition: color var(--transition), transform var(--transition);
    }

    .footer-links a:hover{
      color:var(--text);
      transform:translateX(2px);
    }

    .copyright{
      margin-top:18px;
      padding-top:14px;
      border-top:1px solid rgba(164,196,255,.1);
      font-size:.88rem;
      line-height:1.8;
      color:#8ea4c5;
    }

    .back-top{
      width:100%;
      margin-top:10px;
    }

    .overlay{
      position:fixed;
      inset:0;
      background:rgba(4,10,20,.54);
      backdrop-filter:blur(3px);
      -webkit-backdrop-filter:blur(3px);
      z-index:40;
      opacity:0;
      pointer-events:none;
      transition:opacity var(--transition);
    }

    body.menu-open .overlay{
      opacity:1;
      pointer-events:auto;
    }

    .sr-only{
      position:absolute;
      width:1px;
      height:1px;
      padding:0;
      margin:-1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
      white-space:nowrap;
      border:0;
    }

    .loading-box,
    .empty-box,
    .error-box,
    .disabled-box{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px dashed rgba(164,196,255,.18);
      color:var(--muted);
      line-height:1.75;
      font-size:.92rem;
    }

    .loading-box::before{
      content:"";
      display:inline-block;
      width:12px;
      height:12px;
      border:2px solid rgba(255,255,255,.34);
      border-top-color:var(--brand);
      border-radius:50%;
      animation:spin 1s linear infinite;
      margin-right:8px;
      vertical-align:-2px;
    }

    .empty-box{
      border-style:solid;
      background:linear-gradient(180deg, rgba(255,204,102,.06), rgba(255,255,255,.03));
    }

    .error-box{
      border-style:solid;
      background:linear-gradient(180deg, rgba(255,107,107,.08), rgba(255,255,255,.03));
      color:#ffd4d4;
    }

    .disabled-box{
      opacity:.58;
    }

    @media (max-width: 1280px){
      .hero-panel,
      .news-grid,
      .guide,
      .compare{
        grid-template-columns:1fr;
      }

      .grid-4,
      .scenarios,
      .price-grid,
      .result-strip{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }

      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }

    @media (max-width: 1024px){
      .sidebar{
        width:min(82vw, 280px);
        transform:translateX(-100%);
      }

      body.menu-open .sidebar{
        transform:translateX(0);
      }

      .content{
        margin-left:0;
      }

      body.sidebar-open .content{
        margin-left:0;
      }

      body.sidebar-open .brand-text,
      body.sidebar-open .nav-label,
      body.sidebar-open .quick-links a{
        opacity:1;
        transform:none;
      }

      .topbar{
        padding-inline:14px;
      }

      .menu-toggle{
        display:grid;
      }
    }

    @media (min-width: 1025px){
      .menu-toggle{
        display:grid;
      }
    }

    @media (max-width: 768px){
      .content-inner{
        padding-inline:12px;
      }

      .hero-copy,
      .hero-showcase,
      .card,
      .price,
      .step,
      .compare-box,
      .notice,
      .faq-block{
        border-radius:22px;
      }

      .grid-4,
      .grid-3,
      .grid-2,
      .scenarios,
      .price-grid,
      .result-strip,
      .footer-grid{
        grid-template-columns:1fr;
      }

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

      .mini-form,
      .hero-actions{
        flex-direction:column;
      }

      .mini-form button,
      .btn{
        width:100%;
      }

      h1{
        max-width:100%;
      }

      .ring{
        width:138px;
        height:138px;
      }

      .showcase-top{
        flex-direction:column;
      }
    }

    @media (max-width: 520px){
      .topbar h2{
        font-size:.98rem;
      }

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

      summary{
        padding:15px 16px;
      }

      .answer{
        padding-inline:16px;
      }

      .nav-item{
        min-height:46px;
      }

      .sidebar-card p,
      .section-desc,
      .hero-sub{
        font-size:.95rem;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #06101e;
      --bg-2: #08192b;
      --panel: rgba(12, 27, 47, .74);
      --panel-strong: rgba(17, 38, 65, .9);
      --glass: rgba(255, 255, 255, .075);
      --text: #eef7ff;
      --muted: #9fb4ca;
      --soft: #6f8499;
      --line: rgba(136, 196, 255, .18);
      --line-strong: rgba(78, 211, 255, .48);
      --cyan: #35d9ff;
      --blue: #4a7dff;
      --violet: #8c62ff;
      --green: #86ffb5;
      --yellow: #ffe27a;
      --danger: #ff6d8a;
      --shadow: 0 24px 70px rgba(0, 0, 0, .42);
      --glow: 0 0 28px rgba(53, 217, 255, .35);
      --radius-xl: 24px;
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-pill: 999px;
      --nav-w: 88px;
      --nav-open: 238px;
      --max: 1360px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 15% 8%, rgba(53, 217, 255, .16), transparent 28%),
        radial-gradient(circle at 84% 18%, rgba(140, 98, 255, .16), transparent 26%),
        linear-gradient(140deg, #050b15 0%, #07111f 46%, #081a2c 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 78%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(180deg, rgba(255, 255, 255, .035), transparent 18%, rgba(0, 0, 0, .22));
      mix-blend-mode: screen;
      opacity: .35;
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    img {
      max-width: 100%;
      display: block;
    }

    :focus-visible {
      outline: 3px solid rgba(53, 217, 255, .72);
      outline-offset: 4px;
      border-radius: 12px;
    }

    .app-shell {
      min-height: 100vh;
      padding-left: var(--nav-w);
    }

    .sidebar {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-w);
      z-index: 30;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      padding: 18px 12px;
      background: rgba(5, 13, 25, .78);
      border-right: 1px solid var(--line);
      backdrop-filter: blur(22px);
      transition: width .28s var(--ease), background .28s var(--ease);
    }

    .sidebar:hover,
    .sidebar:focus-within {
      width: var(--nav-open);
      background: rgba(5, 13, 25, .92);
      box-shadow: 12px 0 50px rgba(0, 0, 0, .32);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-height: 52px;
      padding: 8px 10px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(53, 217, 255, .14), rgba(140, 98, 255, .1));
      border: 1px solid rgba(53, 217, 255, .22);
      overflow: hidden;
    }

    .brand-mark {
      flex: 0 0 34px;
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 13px;
      color: #06101e;
      font-weight: 900;
      background: linear-gradient(135deg, var(--cyan), var(--green));
      box-shadow: var(--glow);
    }

    .brand-text {
      min-width: 150px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
      opacity: 0;
      transform: translateX(-6px);
      transition: .24s var(--ease);
    }

    .sidebar:hover .brand-text,
    .sidebar:focus-within .brand-text {
      opacity: 1;
      transform: translateX(0);
    }

    .side-nav {
      margin-top: 22px;
      display: grid;
      gap: 10px;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 13px;
      min-height: 48px;
      padding: 9px 12px;
      border-radius: var(--radius-md);
      color: var(--muted);
      border: 1px solid transparent;
      transition: transform .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
      overflow: hidden;
    }

    .nav-item:hover {
      color: var(--text);
      background: rgba(255, 255, 255, .07);
      border-color: rgba(53, 217, 255, .25);
      transform: translateX(2px);
    }

    .nav-item.active,
    .nav-item[aria-current="page"] {
      color: #fff;
      background: linear-gradient(135deg, rgba(53, 217, 255, .22), rgba(74, 125, 255, .16));
      border-color: var(--line-strong);
      box-shadow: 0 0 26px rgba(53, 217, 255, .16);
    }

    .nav-ico {
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      font-size: 14px;
      font-weight: 800;
      color: #07111f;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
    }

    .nav-label {
      min-width: 116px;
      white-space: nowrap;
      font-weight: 700;
      opacity: 0;
      transform: translateX(-6px);
      transition: .24s var(--ease);
    }

    .sidebar:hover .nav-label,
    .sidebar:focus-within .nav-label {
      opacity: 1;
      transform: translateX(0);
    }

    .nav-tools {
      margin-top: auto;
      display: grid;
      gap: 10px;
    }

    .tool-link {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-md);
      color: var(--muted);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .04);
      transition: .22s var(--ease);
    }

    .tool-link:hover {
      color: var(--text);
      border-color: var(--line-strong);
      box-shadow: var(--glow);
    }

    .mobile-topbar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 40;
      padding: 12px 16px;
      background: rgba(5, 13, 25, .9);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .mobile-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255, 255, 255, .08);
      border: 1px solid var(--line);
    }

    .mobile-menu {
      display: none;
      gap: 10px;
      padding-top: 12px;
    }

    .mobile-menu.open {
      display: grid;
    }

    .main {
      width: min(100%, var(--max));
      margin: 0 auto;
      padding: 34px 32px 0;
    }

    .section {
      margin-top: 34px;
    }

    .panel,
    .glass-card {
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      backdrop-filter: blur(22px);
    }

    .hero {
      min-height: 420px;
      display: grid;
      grid-template-columns: minmax(0, 5fr) minmax(360px, 4fr);
      gap: 22px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 34px;
      border-radius: var(--radius-xl);
      position: relative;
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      inset: auto -20% -40% 25%;
      height: 180px;
      background: radial-gradient(circle, rgba(53, 217, 255, .25), transparent 68%);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      color: var(--green);
      background: rgba(134, 255, 181, .08);
      border: 1px solid rgba(134, 255, 181, .22);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 16px var(--green);
    }

    h1,
    h2,
    h3,
    p {
      margin: 0;
    }

    h1 {
      margin-top: 18px;
      max-width: 760px;
      font-size: clamp(34px, 5vw, 64px);
      line-height: 1.08;
      letter-spacing: 0;
    }

    .lead {
      margin-top: 18px;
      max-width: 760px;
      color: var(--muted);
      font-size: 18px;
    }

    .hero-actions,
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .btn {
      position: relative;
      isolation: isolate;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 15px;
      font-weight: 800;
      color: var(--text);
      border: 1px solid transparent;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), opacity .22s var(--ease);
      overflow: hidden;
      user-select: none;
    }

    .btn-primary {
      color: #03111f;
      background: linear-gradient(135deg, var(--cyan), var(--green));
      box-shadow: 0 0 24px rgba(53, 217, 255, .3), 0 12px 28px rgba(0, 0, 0, .26);
    }

    .btn-primary::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, .55) 42%, transparent 70%);
      transform: translateX(-130%);
      transition: transform .5s var(--ease);
      z-index: -1;
    }

    .btn-primary:hover::after {
      transform: translateX(130%);
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(53, 217, 255, .3);
    }

    .btn:active {
      transform: translateY(0) scale(.98);
    }

    .btn-outline {
      background: rgba(255, 255, 255, .055);
      border-color: var(--line);
      color: var(--text);
    }

    .btn-outline:hover {
      border-color: var(--line-strong);
      background: rgba(53, 217, 255, .09);
    }

    .btn[disabled],
    .btn.is-disabled {
      cursor: not-allowed;
      opacity: .48;
      box-shadow: none;
      transform: none;
    }

    .deal-panel {
      border-radius: var(--radius-xl);
      padding: 22px;
      overflow: hidden;
      position: relative;
    }

    .deal-strip {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(255, 226, 122, .14), rgba(53, 217, 255, .08));
      border: 1px solid rgba(255, 226, 122, .24);
    }

    .deal-title {
      font-weight: 900;
      line-height: 1.35;
    }

    .deal-sub {
      color: var(--muted);
      font-size: 13px;
      margin-top: 2px;
    }

    .countdown {
      display: flex;
      gap: 7px;
    }

    .time-box {
      min-width: 42px;
      padding: 7px 8px;
      border-radius: 12px;
      text-align: center;
      font-weight: 900;
      color: #07111f;
      background: var(--yellow);
      box-shadow: 0 0 18px rgba(255, 226, 122, .22);
    }

    .time-box small {
      display: block;
      font-size: 10px;
      font-weight: 700;
      opacity: .72;
      line-height: 1.1;
    }

    .pick-card {
      margin-top: 16px;
      padding: 18px;
      border-radius: 20px;
      background: linear-gradient(160deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .035));
      border: 1px solid var(--line);
    }

    .pick-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
    }

    .pick-head h2 {
      font-size: 22px;
      line-height: 1.3;
    }

    .price-mark {
      padding: 6px 10px;
      border-radius: var(--radius-pill);
      color: var(--green);
      background: rgba(134, 255, 181, .09);
      border: 1px solid rgba(134, 255, 181, .24);
      font-size: 13px;
      font-weight: 900;
      white-space: nowrap;
    }

    .route-line {
      margin-top: 18px;
      display: grid;
      gap: 10px;
    }

    .route-step {
      display: grid;
      grid-template-columns: 28px 1fr auto;
      align-items: center;
      gap: 10px;
      padding: 12px;
      border-radius: 15px;
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .08);
    }

    .step-no {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      color: #07111f;
      font-weight: 900;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
    }

    .step-label {
      font-weight: 800;
    }

    .status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 9px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      color: var(--green);
      background: rgba(134, 255, 181, .08);
      border: 1px solid rgba(134, 255, 181, .18);
    }

    .status.error {
      color: var(--danger);
      background: rgba(255, 109, 138, .08);
      border-color: rgba(255, 109, 138, .22);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: end;
      margin-bottom: 18px;
    }

    .section-kicker {
      color: var(--cyan);
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 6px;
    }

    .section h2 {
      font-size: clamp(25px, 3vw, 40px);
      line-height: 1.2;
      letter-spacing: 0;
    }

    .section-desc {
      color: var(--muted);
      margin-top: 8px;
      max-width: 740px;
    }

    .filter-bar {
      position: sticky;
      top: 16px;
      z-index: 10;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 12px;
      border-radius: 20px;
      background: rgba(7, 17, 31, .78);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
    }

    .filter-btn {
      min-height: 38px;
      padding: 8px 13px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      background: rgba(255, 255, 255, .05);
      border: 1px solid rgba(255, 255, 255, .08);
      transition: .22s var(--ease);
    }

    .filter-btn:hover {
      color: var(--text);
      border-color: var(--line-strong);
    }

    .filter-btn.active,
    .filter-btn[aria-pressed="true"] {
      color: #06101e;
      background: linear-gradient(135deg, var(--cyan), var(--green));
      border-color: transparent;
      font-weight: 900;
    }

    .content-layout {
      display: grid;
      grid-template-columns: 260px minmax(0, 1fr);
      gap: 22px;
      align-items: start;
    }

    .anchor-rail {
      position: sticky;
      top: 100px;
      padding: 16px;
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
    }

    .anchor-rail h3 {
      font-size: 15px;
      margin-bottom: 12px;
    }

    .anchor-link {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 12px;
      border-radius: 13px;
      color: var(--muted);
      transition: .22s var(--ease);
    }

    .anchor-link:hover,
    .anchor-link.active {
      color: var(--text);
      background: rgba(53, 217, 255, .09);
    }

    .anchor-link span:last-child {
      color: var(--cyan);
      font-weight: 800;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .entry-card {
      position: relative;
      min-height: 218px;
      display: flex;
      flex-direction: column;
      padding: 18px;
      border-radius: 21px;
      background: linear-gradient(160deg, rgba(255, 255, 255, .078), rgba(255, 255, 255, .035));
      border: 1px solid var(--line);
      overflow: hidden;
      transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease);
    }

    .entry-card::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: linear-gradient(135deg, rgba(53, 217, 255, .24), transparent 38%, rgba(140, 98, 255, .16));
      opacity: 0;
      transition: opacity .24s var(--ease);
      pointer-events: none;
    }

    .entry-card:hover {
      transform: translateY(-5px);
      border-color: var(--line-strong);
      box-shadow: 0 0 32px rgba(53, 217, 255, .16), var(--shadow);
    }

    .entry-card:hover::before {
      opacity: 1;
    }

    .card-top {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .icon-node {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      color: #06101e;
      font-weight: 900;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      box-shadow: 0 0 20px rgba(53, 217, 255, .24);
    }

    .entry-card h3 {
      position: relative;
      font-size: 20px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .entry-card p {
      position: relative;
      color: var(--muted);
      font-size: 14px;
      flex: 1;
    }

    .tags {
      position: relative;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 16px 0;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 4px 9px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      font-size: 12px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(255, 255, 255, .08);
    }

    .tag.hot {
      color: var(--yellow);
      border-color: rgba(255, 226, 122, .25);
      background: rgba(255, 226, 122, .08);
    }

    .card-action {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-top: auto;
      color: var(--cyan);
      font-weight: 900;
    }

    .card-action span:last-child {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: rgba(53, 217, 255, .1);
      border: 1px solid rgba(53, 217, 255, .22);
    }

    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .stat-card {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
    }

    .stat-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--text);
      line-height: 1;
    }

    .stat-label {
      color: var(--muted);
      margin-top: 8px;
      font-size: 14px;
    }

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

    .compare-item {
      display: grid;
      grid-template-columns: 190px minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 15px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .052);
      border: 1px solid var(--line);
      transition: .22s var(--ease);
    }

    .compare-item:hover {
      border-color: var(--line-strong);
      background: rgba(53, 217, 255, .075);
    }

    .compare-name {
      font-weight: 900;
    }

    .compare-copy {
      color: var(--muted);
      font-size: 14px;
    }

    .progress {
      height: 9px;
      overflow: hidden;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .08);
    }

    .progress span {
      display: block;
      height: 100%;
      width: var(--value);
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--violet));
      box-shadow: 0 0 16px rgba(53, 217, 255, .35);
    }

    .pricing {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .price-card {
      padding: 20px;
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
      transition: .22s var(--ease);
    }

    .price-card.featured {
      border-color: var(--line-strong);
      background: linear-gradient(160deg, rgba(53, 217, 255, .13), rgba(140, 98, 255, .09));
      box-shadow: 0 0 30px rgba(53, 217, 255, .16);
    }

    .price-card:hover {
      transform: translateY(-4px);
      border-color: var(--line-strong);
    }

    .price-card h3 {
      font-size: 20px;
      margin-bottom: 8px;
    }

    .price {
      font-size: 34px;
      font-weight: 900;
      margin: 12px 0;
    }

    .price small {
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .check-list {
      display: grid;
      gap: 9px;
      margin: 16px 0 18px;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-size: 14px;
    }

    .check-list li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .check-list li::before {
      content: "✓";
      color: var(--green);
      font-weight: 900;
    }

    .faq-wrap {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 18px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 16px 18px;
      color: var(--text);
      background: transparent;
      text-align: left;
      font-weight: 900;
    }

    .faq-question:hover {
      background: rgba(53, 217, 255, .06);
    }

    .faq-icon {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      color: var(--cyan);
      border: 1px solid var(--line);
      transition: transform .22s var(--ease);
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 18px 18px;
      color: var(--muted);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 28px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(53, 217, 255, .15), rgba(140, 98, 255, .12)),
        rgba(255, 255, 255, .055);
      border: 1px solid var(--line-strong);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      inset: -40% auto auto 55%;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(134, 255, 181, .18), transparent 68%);
      pointer-events: none;
    }

    .save-form {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      margin-top: 18px;
      max-width: 720px;
    }

    .save-input {
      width: 100%;
      min-height: 48px;
      padding: 12px 15px;
      color: var(--text);
      border-radius: 15px;
      border: 1px solid var(--line);
      background: rgba(3, 12, 23, .55);
      outline: none;
      transition: .22s var(--ease);
    }

    .save-input::placeholder {
      color: var(--soft);
    }

    .save-input:focus {
      border-color: var(--line-strong);
      box-shadow: var(--glow);
    }

    .form-note {
      margin-top: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .empty-state,
    .error-state,
    .loading-state {
      display: none;
      padding: 16px;
      border-radius: 16px;
      margin-top: 14px;
      border: 1px solid var(--line);
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
    }

    .empty-state.is-visible,
    .error-state.is-visible,
    .loading-state.is-visible {
      display: block;
    }

    .error-state {
      color: var(--danger);
      border-color: rgba(255, 109, 138, .3);
      background: rgba(255, 109, 138, .07);
    }

    .loading-state {
      color: var(--cyan);
    }

    .footer {
      margin-top: 42px;
      padding: 30px 32px 26px;
      border-top: 1px solid var(--line);
      background: rgba(3, 10, 19, .56);
    }

    .footer-grid {
      width: min(100%, var(--max));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.25fr .9fr 1fr;
      gap: 24px;
    }

    .footer h4 {
      margin: 0 0 10px;
      font-size: 16px;
    }

    .footer p {
      color: var(--muted);
      font-size: 14px;
    }

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

    .footer-links a {
      padding: 7px 10px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      border: 1px solid rgba(255, 255, 255, .07);
      font-size: 14px;
      transition: .22s var(--ease);
    }

    .footer-links a:hover {
      color: var(--text);
      border-color: var(--line-strong);
      background: rgba(53, 217, 255, .08);
    }

    .copyright {
      width: min(100%, var(--max));
      margin: 22px auto 0;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      color: var(--soft);
      font-size: 13px;
    }

    @media (max-width: 1280px) {
      .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .hero {
        grid-template-columns: minmax(0, 1fr);
      }

      .deal-panel {
        min-height: auto;
      }
    }

    @media (max-width: 1024px) {
      .content-layout {
        grid-template-columns: 1fr;
      }

      .anchor-rail {
        position: static;
      }

      .stats-row,
      .pricing {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .section-head {
        grid-template-columns: 1fr;
      }

      .filter-bar {
        position: static;
      }

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

    @media (max-width: 768px) {
      .app-shell {
        padding-left: 0;
      }

      .sidebar {
        display: none;
      }

      .mobile-topbar {
        display: block;
      }

      .mobile-menu .nav-label {
        opacity: 1;
        transform: none;
        min-width: auto;
      }

      .mobile-menu .nav-item {
        width: 100%;
      }

      .main {
        padding: 22px 16px 0;
      }

      .hero-copy,
      .deal-panel,
      .cta-panel {
        padding: 22px;
      }

      .deal-strip,
      .pick-head,
      .route-step {
        grid-template-columns: 1fr;
      }

      .countdown {
        justify-content: flex-start;
      }

      .card-grid,
      .stats-row,
      .pricing,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-actions,
      .cta-actions,
      .save-form {
        grid-template-columns: 1fr;
      }

      .btn,
      .save-form .btn {
        width: 100%;
      }

      .footer {
        padding: 28px 16px 24px;
      }
    }

    @media (max-width: 480px) {
      h1 {
        font-size: 32px;
      }

      .lead {
        font-size: 16px;
      }

      .section h2 {
        font-size: 25px;
      }

      .filter-btn {
        flex: 1 1 calc(50% - 10px);
      }

      .time-box {
        min-width: 38px;
      }

      .entry-card {
        min-height: 0;
      }
    }