/* roulang page: index */
:root{
      --bg:#080a10;
      --bg-2:#0d1018;
      --panel:#111520;
      --panel-2:#151b28;
      --panel-3:#1a2130;
      --line:rgba(255,255,255,.10);
      --line-2:rgba(255,255,255,.16);
      --text:#f4f7fb;
      --muted:#a6b0c0;
      --soft:#7f8aa0;
      --primary:#36f0d0;
      --primary-2:#7e6bff;
      --primary-3:#c9ff4d;
      --accent:#ff9f43;
      --danger:#ff5d73;
      --shadow:0 18px 50px rgba(0,0,0,.45);
      --shadow-soft:0 10px 30px rgba(0,0,0,.28);
      --radius:18px;
      --radius-sm:12px;
      --radius-lg:26px;
      --container:1200px;
      --gap:24px;
      --gap-sm:14px;
      --gap-lg:34px;
      --transition:220ms cubic-bezier(.2,.7,.2,1);
      --focus:0 0 0 3px rgba(54,240,208,.18);
    }
    *{box-sizing:border-box}
    html{
      scroll-behavior:smooth;
      -webkit-text-size-adjust:100%;
      text-size-adjust:100%;
    }
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:
        radial-gradient(1200px 500px at 10% -10%, rgba(126,107,255,.20), transparent 60%),
        radial-gradient(900px 420px at 90% 0%, rgba(54,240,208,.12), transparent 50%),
        radial-gradient(900px 500px at 50% 105%, rgba(255,159,67,.10), transparent 50%),
        linear-gradient(180deg, #070910 0%, #090c13 35%, #06070b 100%);
      color:var(--text);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.12) 28%, rgba(0,0,0,.05) 100%);
      opacity:.35;
      z-index:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{
      font:inherit;
      color:inherit;
      background:none;
      border:0;
      outline:none;
    }
    button{cursor:pointer}
    ::selection{background:rgba(54,240,208,.24);color:#fff}
    .container{
      width:min(100% - 32px, var(--container));
      margin-inline:auto;
      position:relative;
      z-index:1;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(8,10,16,.68);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 0 12px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.34), transparent 36%),
        linear-gradient(135deg, rgba(54,240,208,1), rgba(126,107,255,1));
      box-shadow:0 0 0 1px rgba(255,255,255,.16), 0 10px 30px rgba(54,240,208,.15);
      display:grid;
      place-items:center;
      color:#03110f;
      font-size:18px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      line-height:1.2;
    }
    .brand-text strong{
      font-size:18px;
      letter-spacing:.02em;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
    }
    .topbar-tools{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .search-form{
      display:flex;
      align-items:center;
      min-width:min(360px, 46vw);
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
      border-radius:999px;
      overflow:hidden;
      transition:var(--transition);
    }
    .search-form:focus-within{
      border-color:rgba(54,240,208,.45);
      box-shadow:var(--focus);
      background:rgba(255,255,255,.06);
    }
    .search-form input{
      flex:1;
      padding:12px 16px;
      color:var(--text);
      background:transparent;
      border:0;
      min-width:0;
    }
    .search-form input::placeholder{color:#7b8597}
    .search-form button{
      padding:12px 16px;
      color:#061311;
      font-weight:700;
      background:linear-gradient(135deg, var(--primary), #8ff9e7);
      transition:var(--transition);
      white-space:nowrap;
    }
    .search-form button:hover{filter:brightness(1.06)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      transition:var(--transition);
      font-weight:700;
      letter-spacing:.01em;
      white-space:nowrap;
      user-select:none;
    }
    .btn-primary{
      color:#04100d;
      background:linear-gradient(135deg, var(--primary), #9cffd9);
      box-shadow:0 12px 30px rgba(54,240,208,.18);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(54,240,208,.24);
    }
    .btn-secondary{
      color:var(--text);
      background:linear-gradient(135deg, rgba(126,107,255,.16), rgba(255,255,255,.06));
      border-color:rgba(126,107,255,.32);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(126,107,255,.58);
      background:linear-gradient(135deg, rgba(126,107,255,.28), rgba(255,255,255,.08));
      box-shadow:0 12px 30px rgba(126,107,255,.12);
    }
    .btn-ghost{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.03);
    }
    .btn-ghost:hover{
      transform:translateY(-2px);
      border-color:rgba(54,240,208,.34);
      background:rgba(54,240,208,.06);
    }
    .channel-bar{
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 0 16px;
      overflow:auto;
      scrollbar-width:none;
    }
    .channel-bar::-webkit-scrollbar{display:none}
    .channel{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 16px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid var(--line);
      color:#d9dfeb;
      font-size:14px;
      transition:var(--transition);
      white-space:nowrap;
    }
    .channel:hover{
      transform:translateY(-1px);
      border-color:rgba(54,240,208,.34);
      background:rgba(54,240,208,.06);
    }
    .channel.active,
    .channel[aria-current="page"]{
      color:#04100d;
      border-color:transparent;
      background:linear-gradient(135deg, var(--primary), #8ff9e7);
      box-shadow:0 10px 24px rgba(54,240,208,.20);
    }
    main{
      position:relative;
      z-index:1;
    }
    .section{
      padding:22px 0;
    }
    .hero{
      padding:26px 0 12px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      border-radius:calc(var(--radius-lg) + 8px);
      background:
        linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
        linear-gradient(180deg, rgba(21,27,40,.94), rgba(10,13,20,.96));
      box-shadow:var(--shadow);
      padding:28px;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(700px 260px at 0% 0%, rgba(54,240,208,.14), transparent 55%),
        radial-gradient(700px 260px at 100% 0%, rgba(126,107,255,.18), transparent 55%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(54,240,208,.09);
      border:1px solid rgba(54,240,208,.22);
      color:#bffdf2;
      font-size:13px;
      letter-spacing:.02em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 4px rgba(54,240,208,.12);
    }
    .hero h1{
      margin:0;
      font-size:clamp(34px, 5vw, 60px);
      line-height:1.08;
      letter-spacing:-.03em;
      max-width:11.5em;
    }
    .hero h1 .accent{
      color:var(--primary);
      text-shadow:0 0 18px rgba(54,240,208,.18);
    }
    .hero p{
      margin:16px 0 0;
      max-width:62ch;
      color:#cad2df;
      font-size:16px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:24px;
    }
    .stat{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid var(--line);
    }
    .stat strong{
      display:block;
      font-size:24px;
      line-height:1.1;
      margin-bottom:5px;
      color:#fff;
    }
    .stat span{
      display:block;
      color:var(--muted);
      font-size:13px;
    }
    .hero-visual{
      display:grid;
      gap:12px;
      align-content:center;
    }
    .visual-stage{
      position:relative;
      min-height:370px;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.10);
      background:
        radial-gradient(300px 200px at 25% 20%, rgba(54,240,208,.18), transparent 60%),
        radial-gradient(280px 220px at 85% 15%, rgba(126,107,255,.20), transparent 65%),
        linear-gradient(180deg, rgba(18,23,35,.96), rgba(8,10,15,.98));
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06), var(--shadow-soft);
    }
    .visual-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(255,255,255,.06), transparent 40%),
        linear-gradient(0deg, rgba(255,255,255,.04), transparent 30%);
      mix-blend-mode:screen;
      opacity:.9;
    }
    .visual-stage::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      pointer-events:none;
    }
    .stage-grid{
      position:absolute;
      inset:18px;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:12px;
      z-index:1;
    }
    .stage-main,
    .stage-side{
      display:grid;
      gap:12px;
    }
    .stage-card{
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
      padding:14px;
    }
    .stage-card.big{
      min-height:216px;
      background:
        linear-gradient(135deg, rgba(54,240,208,.13), rgba(255,255,255,.04)),
        rgba(255,255,255,.05);
    }
    .stage-card .label-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:10px;
      color:#eaf2ff;
      font-size:13px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dce4f2;
      font-size:12px;
      white-space:nowrap;
    }
    .tag.hot{
      background:rgba(255,159,67,.12);
      border-color:rgba(255,159,67,.22);
      color:#ffd2a6;
    }
    .tag.ok{
      background:rgba(54,240,208,.12);
      border-color:rgba(54,240,208,.22);
      color:#bdfcee;
    }
    .tag.purple{
      background:rgba(126,107,255,.14);
      border-color:rgba(126,107,255,.25);
      color:#ddd7ff;
    }
    .meter{
      display:grid;
      gap:10px;
      margin-top:12px;
    }
    .meter-line{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .meter-line span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--primary), #8ff9e7);
      box-shadow:0 0 18px rgba(54,240,208,.22);
    }
    .meta-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .meta-item{
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .meta-item strong{
      display:block;
      font-size:18px;
      margin-bottom:4px;
      color:#fff;
    }
    .meta-item span{
      color:var(--muted);
      font-size:13px;
    }
    .blink{
      display:inline-block;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(54,240,208,.12);
      margin-right:8px;
      vertical-align:middle;
    }
    .mini-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:10px;
    }
    .mini-pill{
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:#dbe3f1;
      border:1px solid rgba(255,255,255,.08);
      font-size:12px;
    }
    .subtext{
      color:var(--muted);
      font-size:13px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(24px, 3vw, 36px);
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:64ch;
      font-size:15px;
    }
    .panel{
      border-radius:24px;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(17,21,32,.90), rgba(11,14,21,.92));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .panel-inner{padding:22px}
    .pill-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      color:#d9e1ee;
      font-size:13px;
      transition:var(--transition);
    }
    .pill:hover{
      transform:translateY(-1px);
      border-color:rgba(54,240,208,.32);
      background:rgba(54,240,208,.06);
    }
    .pill.active{
      color:#061311;
      background:linear-gradient(135deg, var(--primary), #9cffd9);
      border-color:transparent;
      font-weight:700;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      padding:18px;
      border-radius:20px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)),
        rgba(17,21,32,.9);
      border:1px solid rgba(255,255,255,.08);
      transition:var(--transition);
      min-height:168px;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(54,240,208,.24);
      box-shadow:0 14px 32px rgba(0,0,0,.28);
    }
    .feature-card .kicker{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(54,240,208,.16), rgba(126,107,255,.16));
      border:1px solid rgba(255,255,255,.08);
      color:#dffcf5;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      font-weight:800;
      letter-spacing:.02em;
    }
    .feature-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.25;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .feature-card .note{
      margin-top:14px;
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .note .badge{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dce4f3;
      font-size:12px;
    }
    .split-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .display-card{
      border-radius:22px;
      background:
        radial-gradient(420px 220px at 0% 0%, rgba(54,240,208,.12), transparent 55%),
        linear-gradient(180deg, rgba(21,27,40,.96), rgba(11,14,21,.98));
      border:1px solid rgba(255,255,255,.08);
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .display-card::after{
      content:"";
      position:absolute;
      inset:auto -12px -12px auto;
      width:220px;
      height:220px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(126,107,255,.16), transparent 65%);
      pointer-events:none;
    }
    .display-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      margin-bottom:14px;
    }
    .display-head h3{
      margin:0;
      font-size:20px;
    }
    .display-head .subtext{
      margin-top:4px;
      max-width:44ch;
    }
    .scenario-tabs{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:16px;
    }
    .scenario-panel{
      display:none;
      gap:14px;
    }
    .scenario-panel.active{display:grid}
    .scenario-columns{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .scenario-box{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .scenario-box h4{
      margin:0 0 10px;
      font-size:17px;
    }
    .scenario-box p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .scenario-list{
      display:grid;
      gap:10px;
      margin-top:12px;
    }
    .scenario-list li{
      list-style:none;
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#dfe5f1;
      font-size:14px;
    }
    .scenario-list li::before{
      content:"";
      flex:0 0 8px;
      width:8px;
      height:8px;
      margin-top:9px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 4px rgba(54,240,208,.10);
    }
    .case-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .case-card{
      display:grid;
      gap:14px;
      padding:18px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03)),
        rgba(17,21,32,.92);
      transition:var(--transition);
      min-height:240px;
    }
    .case-card:hover{
      transform:translateY(-3px);
      border-color:rgba(126,107,255,.26);
      box-shadow:0 14px 32px rgba(0,0,0,.28);
    }
    .case-top{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:flex-start;
    }
    .case-card h3{
      margin:0;
      font-size:18px;
      line-height:1.3;
    }
    .case-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .result-line{
      display:grid;
      gap:10px;
      margin-top:auto;
    }
    .result-head{
      display:flex;
      justify-content:space-between;
      gap:12px;
      font-size:13px;
      color:#dfe5f0;
    }
    .result-head strong{
      color:#fff;
      font-size:18px;
    }
    .result-bar{
      height:10px;
      background:rgba(255,255,255,.08);
      border-radius:999px;
      overflow:hidden;
    }
    .result-bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--primary-2), var(--primary));
      box-shadow:0 0 16px rgba(126,107,255,.22);
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .news-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
    }
    .news-item{
      list-style:none;
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:start;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.07);
      transition:var(--transition);
    }
    .news-item:hover{
      transform:translateY(-2px);
      border-color:rgba(54,240,208,.22);
      background:rgba(54,240,208,.04);
    }
    .news-item .time{
      color:#95a2b7;
      font-size:12px;
      white-space:nowrap;
    }
    .news-item h3{
      margin:0 0 6px;
      font-size:16px;
      line-height:1.4;
    }
    .news-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .news-item .flag{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(126,107,255,.12);
      border:1px solid rgba(126,107,255,.22);
      color:#ddd8ff;
      font-size:12px;
      white-space:nowrap;
    }
    .aside-card{
      padding:20px;
      border-radius:22px;
      background:
        radial-gradient(300px 180px at 100% 0%, rgba(255,159,67,.14), transparent 60%),
        linear-gradient(180deg, rgba(21,27,40,.96), rgba(11,14,21,.98));
      border:1px solid rgba(255,255,255,.08);
      display:grid;
      gap:14px;
      align-content:start;
    }
    .aside-card h3{
      margin:0;
      font-size:20px;
    }
    .aside-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .bullet-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
    }
    .bullet-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dfe6f2;
      font-size:14px;
    }
    .bullet-list li::before{
      content:"";
      width:10px;
      height:10px;
      flex:0 0 10px;
      margin-top:7px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--accent), #ffd79f);
      box-shadow:0 0 0 4px rgba(255,159,67,.12);
    }
    .plan-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
      align-items:stretch;
    }
    .plan-card{
      position:relative;
      padding:20px;
      border-radius:22px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03)),
        rgba(17,21,32,.94);
      border:1px solid rgba(255,255,255,.08);
      display:grid;
      gap:14px;
      min-height:360px;
      transition:var(--transition);
    }
    .plan-card:hover{
      transform:translateY(-3px);
      border-color:rgba(54,240,208,.26);
      box-shadow:0 14px 32px rgba(0,0,0,.28);
    }
    .plan-card.featured{
      background:
        radial-gradient(360px 180px at 0% 0%, rgba(54,240,208,.16), transparent 55%),
        linear-gradient(180deg, rgba(19,28,36,.98), rgba(11,14,21,.98));
      border-color:rgba(54,240,208,.26);
      box-shadow:0 18px 40px rgba(0,0,0,.34);
      transform:translateY(-6px);
    }
    .plan-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
    }
    .plan-card h3{
      margin:0;
      font-size:20px;
    }
    .price{
      font-size:30px;
      font-weight:800;
      line-height:1;
      letter-spacing:-.03em;
    }
    .price small{
      font-size:12px;
      color:var(--muted);
      font-weight:600;
      margin-left:6px;
    }
    .plan-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .plan-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
    }
    .plan-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-size:14px;
      color:#dfe6f2;
    }
    .plan-list li::before{
      content:"";
      width:10px;
      height:10px;
      flex:0 0 10px;
      margin-top:7px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow:0 0 0 4px rgba(54,240,208,.10);
    }
    .plan-actions{
      margin-top:auto;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .faq-grid{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      overflow:hidden;
      transition:var(--transition);
    }
    details.faq-item[open]{
      border-color:rgba(54,240,208,.24);
      background:rgba(54,240,208,.04);
      box-shadow:0 12px 28px rgba(0,0,0,.18);
    }
    summary.faq-q{
      list-style:none;
      cursor:pointer;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:#f2f6fb;
    }
    summary.faq-q::-webkit-details-marker{display:none}
    .faq-q span{
      flex:1;
    }
    .faq-q i{
      position:relative;
      width:20px;
      height:20px;
      flex:0 0 20px;
      border-radius:50%;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
    }
    .faq-q i::before,
    .faq-q i::after{
      content:"";
      position:absolute;
      inset:50% auto auto 50%;
      width:10px;
      height:2px;
      background:#d7e0ee;
      transform:translate(-50%, -50%);
      border-radius:999px;
      transition:var(--transition);
    }
    .faq-q i::after{
      transform:translate(-50%, -50%) rotate(90deg);
    }
    details[open] .faq-q i::after{
      opacity:0;
      transform:translate(-50%, -50%) rotate(90deg) scaleX(.2);
    }
    .faq-a{
      padding:0 18px 16px;
      color:var(--muted);
      font-size:14px;
    }
    .cta-band{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
      padding:24px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(420px 220px at 0% 0%, rgba(126,107,255,.16), transparent 60%),
        linear-gradient(135deg, rgba(21,27,40,.96), rgba(10,13,20,.98));
      box-shadow:var(--shadow);
    }
    .cta-band h2{
      margin:0 0 12px;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.15;
    }
    .cta-band p{
      margin:0;
      color:#ccd4e2;
      max-width:56ch;
      font-size:15px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:20px;
    }
    .form-shell{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .form-grid{
      display:grid;
      gap:14px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:13px;
      color:#dbe3ef;
      font-weight:700;
    }
    .field input,
    .field textarea,
    .field select{
      width:100%;
      padding:13px 14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(7,10,16,.56);
      color:var(--text);
      transition:var(--transition);
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#7b8597}
    .field input:focus,
    .field textarea:focus,
    .field select:focus{
      border-color:rgba(54,240,208,.42);
      box-shadow:var(--focus);
      background:rgba(255,255,255,.04);
    }
    .field textarea{
      min-height:120px;
      resize:vertical;
    }
    .helper{
      font-size:12px;
      color:var(--soft);
    }
    .footer{
      margin-top:30px;
      padding:28px 0 24px;
      border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, transparent, rgba(5,7,11,.72));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:18px;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:18px;
    }
    .footer p,
    .footer a{
      color:var(--muted);
      font-size:14px;
    }
    .footer a:hover{color:#dffcf5}
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      color:#93a0b4;
      font-size:13px;
    }
    .back-top{
      color:#dffcf5;
    }
    .back-top:hover{
      color:var(--primary);
    }
    .sticky-cta{
      position:fixed;
      left:50%;
      bottom:12px;
      transform:translateX(-50%);
      width:min(100% - 20px, 760px);
      z-index:60;
      display:none;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(8,10,16,.78);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
    }
    .sticky-cta strong{
      font-size:14px;
      line-height:1.2;
    }
    .sticky-cta span{
      display:block;
      color:var(--muted);
      font-size:12px;
      margin-top:4px;
    }
    .sticky-actions{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .sticky-actions .btn{
      min-height:38px;
      padding:0 14px;
      font-size:13px;
    }
    .section-anchor{
      scroll-margin-top:120px;
    }
    .grid-2{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .muted-box{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
    }
    .mini-title{
      margin:0 0 8px;
      font-size:16px;
    }
    .line-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
    }
    .line-list li{
      list-style:none;
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#dfe5f1;
      font-size:14px;
      padding-bottom:10px;
      border-bottom:1px dashed rgba(255,255,255,.08);
    }
    .line-list li:last-child{padding-bottom:0;border-bottom:0}
    .label{
      color:var(--muted);
      font-size:12px;
    }
    .score{
      font-weight:800;
      color:#fff;
    }
    @media (max-width: 1279px){
      .feature-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .case-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .plan-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .footer-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .hero-grid,.split-layout,.news-layout,.cta-band,.grid-2{grid-template-columns:1fr}
      .visual-stage{min-height:340px}
    }
    @media (max-width: 1023px){
      .topbar{flex-direction:column;align-items:stretch}
      .topbar-tools{justify-content:space-between}
      .search-form{min-width:0;flex:1}
      .hero-shell{padding:22px}
      .hero-stats{grid-template-columns:repeat(3, minmax(0,1fr))}
      .feature-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .case-grid,.plan-grid{grid-template-columns:1fr}
      .scenario-columns{grid-template-columns:1fr}
    }
    @media (max-width: 767px){
      .container{width:min(100% - 20px, var(--container))}
      .section{padding:16px 0}
      .hero{padding-top:18px}
      .hero-shell{padding:18px;border-radius:22px}
      .hero h1{max-width:100%}
      .hero p{font-size:15px}
      .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr 1fr}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .hero-stats{grid-template-columns:1fr;gap:10px}
      .feature-grid,.footer-grid,.grid-2{grid-template-columns:1fr}
      .topbar-tools{gap:10px}
      .search-form{order:2;width:100%}
      .topbar-tools .btn{flex:1}
      .section-head{flex-direction:column;align-items:flex-start}
      .display-card,.aside-card,.form-shell,.panel-inner{padding:16px}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-item .time{order:3}
      .news-item .flag{order:2;justify-self:start}
      .sticky-cta{display:flex}
      .cta-band{padding:18px}
      .cta-band h2{font-size:24px}
      .hero-visual{order:-1}
      .visual-stage{min-height:300px}
      .stage-grid{grid-template-columns:1fr}
      .stage-side{grid-template-columns:repeat(2, minmax(0,1fr))}
      .hero-actions .btn:nth-child(1),
      .hero-actions .btn:nth-child(2){min-height:46px}
    }
    @media (max-width: 520px){
      .brand-text strong{font-size:16px}
      .channel{padding:9px 12px;font-size:13px}
      .hero h1{font-size:32px}
      .hero-actions,.cta-actions{grid-template-columns:1fr}
      .meta-grid{grid-template-columns:1fr}
      .stage-side{grid-template-columns:1fr}
      .sticky-cta{padding:10px}
      .sticky-cta strong{font-size:13px}
      .sticky-actions .btn{min-height:36px;padding:0 12px}
      .search-form button{padding-inline:14px}
    }
    :focus-visible{
      outline:none;
      box-shadow:var(--focus);
    }

/* roulang page: category2 */
:root{
      --bg: #070a0f;
      --bg-2: #0d1118;
      --panel: #121824;
      --panel-2: #171f2d;
      --panel-3: #1b2433;
      --line: rgba(177, 197, 230, .16);
      --line-strong: rgba(120, 223, 255, .34);
      --text: #e9eef9;
      --muted: #9ca9be;
      --soft: #7e8aa0;
      --cyan: #32e6ff;
      --cyan-2: #14b8d8;
      --purple: #a46bff;
      --green: #59e6a7;
      --orange: #ff9f56;
      --danger: #ff6b8a;
      --shadow: 0 22px 60px rgba(0, 0, 0, .42);
      --shadow-soft: 0 14px 32px rgba(0, 0, 0, .24);
      --radius: 20px;
      --radius-sm: 14px;
      --radius-xs: 12px;
      --container: 1240px;
      --gap: 24px;
      --ease: cubic-bezier(.2,.8,.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",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
      color:var(--text);
      line-height:1.65;
      background:
        radial-gradient(circle at 12% 12%, rgba(46,230,255,.12), transparent 22%),
        radial-gradient(circle at 88% 14%, rgba(164,107,255,.14), transparent 20%),
        radial-gradient(circle at 50% 0%, rgba(89,230,167,.08), transparent 18%),
        linear-gradient(180deg, #06080d 0%, #090d14 40%, #070a10 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(transparent 0 96%, rgba(255,255,255,.03) 96% 100%),
        linear-gradient(90deg, transparent 0 96%, rgba(255,255,255,.03) 96% 100%);
      background-size:100% 42px, 42px 100%;
      opacity:.12;
      mix-blend-mode:screen;
      z-index:0;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(50,230,255,.25);color:#fff}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin-inline:auto;
      position:relative;
      z-index:1;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(16px);
      background:linear-gradient(180deg, rgba(6,9,14,.92), rgba(6,9,14,.74));
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:16px 0 14px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(50,230,255,.95), rgba(164,107,255,.92));
      color:#081018;
      font-weight:900;
      box-shadow:0 0 0 1px rgba(255,255,255,.08), 0 14px 30px rgba(50,230,255,.22);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      min-width:0;
    }
    .brand-text strong{
      font-size:1.02rem;
      letter-spacing:.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      font-size:.86rem;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }

    .topbar-tools{
      display:flex;
      align-items:center;
      gap:12px;
      flex:1;
      justify-content:flex-end;
    }

    .search-form{
      display:flex;
      align-items:center;
      gap:8px;
      width:min(420px, 100%);
      background:rgba(18,24,36,.86);
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      padding:7px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .search-form input{
      flex:1;
      border:0;
      background:transparent;
      color:var(--text);
      padding:7px 12px;
      min-width:0;
      outline:none;
    }
    .search-form input::placeholder{color:#768296}
    .search-form button,
    .btn{
      border:0;
      border-radius:999px;
      padding:11px 16px;
      font-weight:700;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), opacity .22s var(--ease);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      white-space:nowrap;
    }
    .search-form button{
      background:linear-gradient(135deg, rgba(50,230,255,.95), rgba(89,230,167,.9));
      color:#071019;
      box-shadow:0 10px 24px rgba(50,230,255,.18);
    }
    .btn-primary{
      background:linear-gradient(135deg, rgba(50,230,255,.95), rgba(164,107,255,.9));
      color:#071019;
      box-shadow:0 12px 30px rgba(50,230,255,.22);
    }
    .btn-ghost{
      background:rgba(18,24,36,.92);
      color:var(--text);
      border:1px solid rgba(255,255,255,.09);
    }
    .search-form button:hover,
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:0 16px 34px rgba(0,0,0,.26);
    }
    .btn-ghost:hover{
      border-color:rgba(50,230,255,.36);
      color:#fff;
      background:rgba(24,31,46,.98);
    }
    .btn-primary:hover{
      filter:saturate(1.08);
    }

    .channel-bar{
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 0 14px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .channel-bar::-webkit-scrollbar{display:none}
    .channel{
      flex:0 0 auto;
      padding:10px 16px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(16,21,32,.82);
      color:#dbe5f5;
      font-weight:700;
      font-size:.95rem;
      letter-spacing:.01em;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .channel:hover{
      transform:translateY(-1px);
      border-color:rgba(50,230,255,.28);
      box-shadow:0 10px 22px rgba(0,0,0,.18);
    }
    .channel.active,
    .channel[aria-current="page"]{
      background:linear-gradient(135deg, rgba(50,230,255,.2), rgba(164,107,255,.18));
      color:#fff;
      border-color:rgba(50,230,255,.42);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04), 0 12px 24px rgba(50,230,255,.12);
    }

    main{position:relative;z-index:1}
    .hero{
      padding:34px 0 18px;
    }
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
      gap:22px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-panel,
    .section-card,
    .plan-card,
    .scene-card,
    .case-card,
    .cta-panel,
    .faq-item,
    .form-panel,
    .side-panel{
      background:
        linear-gradient(180deg, rgba(255,255,255,.03), transparent 18%),
        linear-gradient(180deg, rgba(18,24,36,.96), rgba(13,17,26,.98));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{
      padding:30px;
      position:relative;
      overflow:hidden;
    }
    .hero-copy::after{
      content:"";
      position:absolute;
      inset:auto -10% -40% auto;
      width:260px;
      height:260px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(50,230,255,.2) 0%, rgba(164,107,255,.08) 38%, transparent 70%);
      pointer-events:none;
      filter:blur(4px);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(50,230,255,.09);
      color:#bff7ff;
      border:1px solid rgba(50,230,255,.15);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.02em;
      margin-bottom:18px;
    }
    .eyebrow i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 6px rgba(89,230,167,.12);
      display:inline-block;
    }
    .hero h1{
      margin:0;
      font-size:clamp(2rem, 4vw, 4.2rem);
      line-height:1.06;
      letter-spacing:-.03em;
      max-width:12ch;
    }
    .hero h1 .accent{
      background:linear-gradient(135deg, var(--cyan), var(--purple) 50%, var(--green));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero p{
      margin:18px 0 0;
      color:var(--muted);
      font-size:1.04rem;
      max-width:58ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .mini-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#dce6f5;
      font-size:.92rem;
    }
    .mini-tag .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(50,230,255,.12);
      flex:0 0 auto;
    }

    .hero-panel{
      padding:20px;
      display:grid;
      gap:14px;
      grid-template-rows:auto 1fr auto;
      overflow:hidden;
    }
    .panel-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .panel-top h2{
      margin:0;
      font-size:1.08rem;
    }
    .panel-top span{
      color:var(--soft);
      font-size:.9rem;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 11px;
      border-radius:999px;
      font-size:.82rem;
      font-weight:800;
      letter-spacing:.02em;
      border:1px solid transparent;
    }
    .badge-hot{
      color:#081018;
      background:linear-gradient(135deg, rgba(255,159,86,.96), rgba(255,107,138,.9));
      box-shadow:0 14px 24px rgba(255,159,86,.18);
    }
    .badge-cyan{
      color:#071018;
      background:linear-gradient(135deg, rgba(50,230,255,.96), rgba(89,230,167,.9));
    }
    .badge-purple{
      color:#fff;
      background:linear-gradient(135deg, rgba(164,107,255,.95), rgba(50,230,255,.7));
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:12px;
    }
    .stat-card{
      padding:16px;
      border-radius:18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.04), transparent),
        rgba(14,19,29,.9);
      border:1px solid rgba(255,255,255,.08);
      min-height:110px;
    }
    .stat-card strong{
      display:block;
      font-size:1.38rem;
      letter-spacing:-.02em;
      margin-bottom:4px;
      color:#fff;
    }
    .stat-card p{
      margin:0;
      font-size:.9rem;
      color:var(--muted);
    }
    .stat-card .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
      margin-top:14px;
    }
    .stat-card .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--cyan), var(--purple));
    }
    .stat-card:nth-child(2) .bar span{background:linear-gradient(90deg, var(--green), var(--cyan))}
    .stat-card:nth-child(3) .bar span{background:linear-gradient(90deg, var(--orange), var(--purple))}
    .stat-card:nth-child(4) .bar span{background:linear-gradient(90deg, var(--purple), var(--green))}

    .hero-note{
      padding:16px;
      border-radius:18px;
      background:linear-gradient(135deg, rgba(50,230,255,.08), rgba(164,107,255,.08));
      border:1px solid rgba(50,230,255,.14);
      display:flex;
      gap:12px;
      align-items:center;
    }
    .hero-note .pulse{
      width:14px;height:14px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 0 rgba(89,230,167,.35);
      animation:pulse 2.3s infinite;
      flex:0 0 auto;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(89,230,167,.35)}
      70%{box-shadow:0 0 0 12px rgba(89,230,167,0)}
      100%{box-shadow:0 0 0 0 rgba(89,230,167,0)}
    }
    .hero-note p{
      margin:0;
      color:#dce6f4;
      font-size:.95rem;
    }

    .section{
      padding:26px 0 4px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.38rem, 2vw, 2rem);
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:0;
      max-width:58ch;
      color:var(--muted);
      font-size:.98rem;
    }
    .section-card{
      padding:22px;
    }

    .tag-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      overflow-x:auto;
      padding-bottom:4px;
      scrollbar-width:none;
    }
    .tag-row::-webkit-scrollbar{display:none}
    .chip{
      flex:0 0 auto;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(17,23,34,.92);
      color:#dce6f4;
      font-size:.9rem;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(50,230,255,.28);
      background:rgba(21,27,40,.98);
    }
    .chip.active{
      background:linear-gradient(135deg, rgba(50,230,255,.16), rgba(164,107,255,.16));
      border-color:rgba(50,230,255,.34);
      color:#fff;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
    }
    .feature-main{
      padding:22px;
      min-height:100%;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at 80% 0%, rgba(50,230,255,.10), transparent 26%),
        linear-gradient(180deg, rgba(19,25,38,.98), rgba(12,16,24,.98));
      box-shadow:var(--shadow-soft);
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .feature-main h3{
      margin:0;
      font-size:1.45rem;
    }
    .feature-main p{
      margin:0;
      color:var(--muted);
    }
    .status-board{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .status-item{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      min-height:124px;
    }
    .status-item .label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:.82rem;
      color:#cfe3ff;
      margin-bottom:10px;
    }
    .status-item .label::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 6px rgba(50,230,255,.12);
    }
    .status-item strong{
      display:block;
      font-size:1.25rem;
      margin-bottom:6px;
    }
    .status-item span{
      color:var(--muted);
      font-size:.88rem;
    }
    .feature-side{
      display:grid;
      gap:14px;
    }
    .mini-panel{
      padding:18px;
      border-radius:18px;
      background:
        linear-gradient(135deg, rgba(50,230,255,.07), rgba(164,107,255,.08)),
        rgba(16,22,33,.94);
      border:1px solid rgba(255,255,255,.08);
    }
    .mini-panel h4{
      margin:0 0 8px;
      font-size:1.04rem;
    }
    .mini-panel p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .mini-lines{
      margin-top:14px;
      display:grid;
      gap:10px;
    }
    .mini-line{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      font-size:.92rem;
      color:#dbe6f4;
    }
    .mini-line .meter{
      flex:1;
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      overflow:hidden;
      max-width:190px;
    }
    .mini-line .meter span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--cyan), var(--green));
    }

    .grid-4{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .card{
      padding:18px;
      border-radius:18px;
      background:rgba(17,22,34,.92);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(160deg, rgba(50,230,255,.08), transparent 30%, rgba(164,107,255,.05));
      opacity:0;
      transition:opacity .22s var(--ease);
      pointer-events:none;
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(50,230,255,.28);
      box-shadow:0 18px 44px rgba(0,0,0,.28);
    }
    .card:hover::before{opacity:1}
    .card h3,
    .card h4,
    .plan-card h3,
    .case-card h3,
    .scene-card h3{
      margin:0;
      line-height:1.22;
      letter-spacing:-.01em;
    }
    .card p,
    .plan-card p,
    .case-card p,
    .scene-card p{
      margin:0;
      color:var(--muted);
    }
    .icon{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      margin-bottom:14px;
      background:linear-gradient(135deg, rgba(50,230,255,.16), rgba(164,107,255,.15));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      color:#f2f8ff;
      font-size:1.08rem;
      font-weight:900;
    }
    .card .meta{
      display:flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      color:#bfd0e7;
      font-size:.86rem;
    }

    .scene-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:16px;
    }
    .scene-card{
      min-height:220px;
      padding:20px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:16px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.02), transparent 16%),
        linear-gradient(180deg, rgba(17,23,35,.98), rgba(12,15,23,.98));
    }
    .scene-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
    }
    .scene-tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe6f5;
      font-size:.8rem;
      white-space:nowrap;
    }
    .scene-card ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .scene-card li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#dbe6f4;
      font-size:.92rem;
    }
    .scene-card li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:.52em;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(50,230,255,.1);
      flex:0 0 auto;
    }

    .case-wrap{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:18px;
      align-items:start;
    }
    .case-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .case-card{
      padding:20px;
    }
    .case-card .case-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:12px;
      margin-bottom:12px;
    }
    .case-card .case-head .badge{
      flex:0 0 auto;
    }
    .case-kpi{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .kpi{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:10px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      font-size:.92rem;
    }
    .kpi strong{
      color:#fff;
      font-size:.98rem;
    }
    .side-panel{
      padding:20px;
      position:sticky;
      top:124px;
    }
    .side-panel h3{margin:0 0 10px;font-size:1.1rem}
    .side-panel p{margin:0;color:var(--muted)}
    .timeline{
      margin-top:16px;
      display:grid;
      gap:12px;
    }
    .timeline-step{
      display:grid;
      grid-template-columns:22px 1fr;
      gap:12px;
      align-items:start;
    }
    .timeline-step .step-dot{
      width:14px;
      height:14px;
      border-radius:50%;
      margin-top:6px;
      background:linear-gradient(135deg, var(--cyan), var(--purple));
      box-shadow:0 0 0 6px rgba(50,230,255,.1);
    }
    .timeline-step h4{margin:0;font-size:.98rem}
    .timeline-step p{margin:4px 0 0;font-size:.92rem;color:var(--muted)}

    .plan-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:16px;
    }
    .plan-card{
      padding:22px;
      position:relative;
    }
    .plan-card.featured{
      border-color:rgba(50,230,255,.3);
      background:
        radial-gradient(circle at 70% 0%, rgba(50,230,255,.14), transparent 28%),
        linear-gradient(180deg, rgba(19,25,37,.98), rgba(11,14,21,.98));
      transform:translateY(-4px);
    }
    .plan-card .plan-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:12px;
    }
    .price{
      font-size:1.9rem;
      font-weight:900;
      letter-spacing:-.03em;
      line-height:1;
    }
    .price small{
      font-size:.92rem;
      font-weight:700;
      color:var(--muted);
      margin-left:4px;
    }
    .plan-list{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:10px;
    }
    .plan-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dbe6f5;
      font-size:.94rem;
    }
    .plan-list li::before{
      content:"";
      width:9px;
      height:9px;
      margin-top:.5em;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 5px rgba(89,230,167,.1);
      flex:0 0 auto;
    }
    .plan-card .btn{
      width:100%;
      margin-top:18px;
    }

    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:800;
      font-size:1rem;
      user-select:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#fff;
      transition:transform .22s var(--ease), background .22s var(--ease);
      flex:0 0 auto;
    }
    .faq-item[open] summary::after{
      content:"−";
      background:rgba(50,230,255,.12);
      transform:rotate(0deg);
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
    }
    .faq-body p{
      margin:0;
    }

    .cta-panel{
      padding:24px;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);
      gap:18px;
      align-items:stretch;
    }
    .cta-copy h2{
      margin:0;
      font-size:clamp(1.5rem, 2.4vw, 2.4rem);
      line-height:1.1;
      letter-spacing:-.02em;
    }
    .cta-copy p{
      margin:14px 0 0;
      color:var(--muted);
      max-width:58ch;
    }
    .cta-list{
      margin:16px 0 0;
      display:grid;
      gap:10px;
      padding:0;
      list-style:none;
    }
    .cta-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dbe6f4;
    }
    .cta-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(50,230,255,.12);
      margin-top:.54em;
      flex:0 0 auto;
    }
    .form-panel{
      padding:22px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
    }
    .form-field{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .form-field.full{grid-column:1/-1}
    .form-field label{
      font-size:.9rem;
      color:#dbe6f4;
      font-weight:700;
    }
    .form-field input,
    .form-field textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(12,16,24,.94);
      color:var(--text);
      padding:13px 14px;
      outline:none;
      transition:border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease), background .22s var(--ease);
    }
    .form-field input::placeholder,
    .form-field textarea::placeholder{color:#7f8aa0}
    .form-field input:focus,
    .form-field textarea:focus{
      border-color:rgba(50,230,255,.38);
      box-shadow:0 0 0 4px rgba(50,230,255,.08);
      background:rgba(15,20,30,.98);
    }
    .form-field textarea{
      min-height:120px;
      resize:vertical;
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .form-note{
      margin-top:10px;
      color:var(--soft);
      font-size:.88rem;
    }

    .footer{
      margin-top:34px;
      padding:28px 0 18px;
      background:
        linear-gradient(180deg, rgba(10,13,20,.12), rgba(8,10,15,.82)),
        rgba(7,9,13,.96);
      border-top:1px solid rgba(255,255,255,.08);
      position:relative;
      z-index:1;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr 1fr 1fr .9fr;
      gap:18px;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:1rem;
    }
    .footer p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#dbe6f4;
      transition:color .22s var(--ease), transform .22s var(--ease);
    }
    .footer-links a:hover{
      color:var(--cyan);
      transform:translateX(2px);
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      color:var(--soft);
      font-size:.9rem;
    }
    .back-top{
      color:#dbe6f4;
      font-weight:700;
    }

    .spacer{height:8px}

    @media (max-width: 1279px){
      .hero-shell,
      .feature-grid,
      .case-wrap,
      .cta-panel{
        grid-template-columns:1fr;
      }
      .side-panel{
        position:relative;
        top:auto;
      }
      .grid-4,
      .scene-grid,
      .case-grid,
      .plan-grid,
      .footer-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
    }

    @media (max-width: 1023px){
      .topbar{
        flex-wrap:wrap;
      }
      .topbar-tools{
        width:100%;
        justify-content:space-between;
      }
      .search-form{
        width:100%;
      }
      .status-board{
        grid-template-columns:1fr;
      }
      .grid-4,
      .scene-grid,
      .case-grid,
      .plan-grid,
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .hero h1{max-width:none}
      .hero-copy, .hero-panel, .section-card, .plan-card, .scene-card, .case-card, .cta-panel, .faq-item, .form-panel, .side-panel{
        border-radius:18px;
      }
    }

    @media (max-width: 767px){
      .container{width:min(var(--container), calc(100% - 20px))}
      .topbar{
        gap:12px;
        padding:14px 0 12px;
      }
      .brand-mark{width:40px;height:40px;border-radius:12px}
      .brand-text strong{font-size:.98rem}
      .brand-text span{font-size:.8rem}
      .topbar-tools{
        flex-direction:column;
        align-items:stretch;
        gap:10px;
      }
      .hero{
        padding-top:22px;
      }
      .hero-copy{
        padding:22px;
      }
      .hero h1{
        font-size:clamp(1.8rem, 8vw, 2.6rem);
      }
      .hero p{
        font-size:.98rem;
      }
      .hero-actions{
        flex-direction:column;
      }
      .hero-actions .btn{
        width:100%;
      }
      .section{
        padding-top:18px;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .grid-4,
      .scene-grid,
      .case-grid,
      .plan-grid,
      .footer-grid,
      .form-grid{
        grid-template-columns:1fr;
      }
      .cta-panel{
        padding:20px;
      }
      .card,
      .scene-card,
      .case-card,
      .plan-card,
      .section-card,
      .form-panel,
      .side-panel{
        padding:18px;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-meta{
        gap:8px;
      }
    }

    @media (max-width: 390px){
      .brand-text span,
      .search-form input::placeholder{
        font-size:.78rem;
      }
      .channel{
        padding:9px 13px;
        font-size:.88rem;
      }
      .mini-tag,
      .chip{
        font-size:.84rem;
      }
      .card h3,
      .case-card h3,
      .scene-card h3,
      .plan-card h3{
        font-size:1rem;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#07080d;
      --bg-2:#0b0d14;
      --panel:#11141d;
      --panel-2:#151927;
      --panel-3:#1b2030;
      --text:#f4f7fb;
      --muted:#a7b0c2;
      --soft:#737d92;
      --line:rgba(135,148,180,.22);
      --line-bright:rgba(39,245,255,.42);
      --cyan:#27f5ff;
      --purple:#9b5cff;
      --green:#9dff45;
      --orange:#ffb24a;
      --danger:#ff5f85;
      --radius-sm:10px;
      --radius:16px;
      --radius-lg:24px;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --shadow-cyan:0 0 28px rgba(39,245,255,.22);
      --container:1180px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      line-height:1.72;
      background:
        radial-gradient(circle at 16% 4%, rgba(39,245,255,.13), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(155,92,255,.16), transparent 30%),
        linear-gradient(180deg,#07080d 0%,#0a0c12 44%,#08090e 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(39,245,255,.28);color:#fff}

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

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,8,13,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 18px 60px rgba(0,0,0,.28);
    }
    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:18px 0 12px;
    }
    .brand{
      display:flex;
      align-items:center;
      min-width:260px;
      gap:12px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      color:#061016;
      font-weight:900;
      background:
        linear-gradient(135deg,var(--cyan),var(--green));
      box-shadow:0 0 24px rgba(39,245,255,.45), inset 0 0 18px rgba(255,255,255,.35);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:1px;
      line-height:1.25;
    }
    .brand-text strong{
      font-size:18px;
      letter-spacing:.2px;
      white-space:nowrap;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
    }
    .topbar-tools{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .search-form{
      display:flex;
      align-items:center;
      width:360px;
      max-width:38vw;
      border:1px solid var(--line);
      background:rgba(17,20,29,.72);
      border-radius:999px;
      overflow:hidden;
      transition:var(--ease);
    }
    .search-form:focus-within{
      border-color:var(--line-bright);
      box-shadow:var(--shadow-cyan);
    }
    .search-form input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      color:var(--text);
      background:transparent;
      padding:11px 14px 11px 18px;
    }
    .search-form input::placeholder{color:#69748a}
    .search-form button{
      border:0;
      color:#061016;
      font-weight:800;
      padding:11px 18px;
      background:linear-gradient(135deg,var(--cyan),var(--green));
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.2px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.channel:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:3px solid rgba(39,245,255,.28);
      outline-offset:3px;
    }
    .btn-primary{
      color:#061016;
      background:linear-gradient(135deg,var(--cyan),var(--green));
      box-shadow:0 0 28px rgba(39,245,255,.22);
    }
    .btn-primary:hover{
      box-shadow:0 0 40px rgba(39,245,255,.34);
    }
    .btn-ghost{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.04);
    }
    .btn-ghost:hover{
      border-color:var(--cyan);
      background:rgba(39,245,255,.1);
    }
    .btn-soft{
      color:var(--cyan);
      border-color:rgba(39,245,255,.32);
      background:rgba(39,245,255,.08);
    }
    .btn-soft:hover{
      background:rgba(39,245,255,.16);
      box-shadow:var(--shadow-cyan);
    }

    .channel-bar{
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 0 14px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .channel-bar::-webkit-scrollbar{display:none}
    .channel{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 15px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--muted);
      background:rgba(255,255,255,.035);
      transition:var(--ease);
      font-size:14px;
      font-weight:700;
    }
    .channel:hover{
      color:var(--text);
      border-color:rgba(39,245,255,.55);
      background:rgba(39,245,255,.09);
      transform:translateY(-1px);
    }
    .channel.active{
      color:#061016;
      border-color:transparent;
      background:linear-gradient(135deg,var(--cyan),var(--green));
      box-shadow:0 0 24px rgba(39,245,255,.25);
    }

    main{display:block}
    .section{
      padding:76px 0;
      position:relative;
    }
    .section.compact{padding:48px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(39,245,255,.28);
      color:var(--cyan);
      background:rgba(39,245,255,.07);
      font-size:13px;
      font-weight:800;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 18px var(--green);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,4vw,46px);
      line-height:1.16;
      letter-spacing:-.6px;
    }
    .section-desc{
      max-width:590px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .panel{
      border:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025)),
        var(--panel);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .panel:after{
      content:"";
      position:absolute;
      inset:auto 18px 0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      opacity:.42;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--muted);
      background:rgba(255,255,255,.035);
      font-size:13px;
      font-weight:700;
      transition:var(--ease);
    }
    .tag:hover,.tag.active{
      color:#061016;
      border-color:transparent;
      background:linear-gradient(135deg,var(--cyan),var(--green));
      transform:translateY(-1px);
    }
    .tag.disabled{
      opacity:.42;
      pointer-events:none;
    }

    .category-hero{
      padding:46px 0 32px;
    }
    .hero-bento{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-main{
      min-height:430px;
      padding:42px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 76% 20%, rgba(39,245,255,.2), transparent 34%),
        radial-gradient(circle at 14% 86%, rgba(155,92,255,.16), transparent 34%),
        linear-gradient(135deg,rgba(21,25,39,.96),rgba(9,11,18,.98));
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--soft);
      font-size:13px;
      margin-bottom:20px;
    }
    .breadcrumb a:hover{color:var(--cyan)}
    h1{
      margin:14px 0 18px;
      max-width:850px;
      font-size:clamp(34px,5.4vw,70px);
      line-height:1.05;
      letter-spacing:-1.4px;
    }
    .gradient-text{
      color:transparent;
      background:linear-gradient(135deg,var(--cyan),var(--green) 48%,var(--orange));
      -webkit-background-clip:text;
      background-clip:text;
    }
    .hero-lead{
      max-width:760px;
      margin:0 0 26px;
      color:#c5ccdb;
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .hero-meta{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:36px;
    }
    .meta-card{
      padding:16px;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.045);
    }
    .meta-card strong{
      display:block;
      font-size:24px;
      line-height:1.15;
      color:var(--cyan);
      font-variant-numeric:tabular-nums;
    }
    .meta-card span{
      color:var(--muted);
      font-size:13px;
    }
    .hero-side{
      display:grid;
      grid-template-rows:1fr 1fr;
      gap:18px;
    }
    .hero-mini{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .mini-icon{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#061016;
      background:linear-gradient(135deg,var(--purple),var(--cyan));
      box-shadow:0 0 28px rgba(155,92,255,.28);
      font-size:22px;
      font-weight:900;
    }
    .hero-mini h2{
      margin:20px 0 8px;
      font-size:22px;
      line-height:1.25;
    }
    .hero-mini p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .pulse-line{
      height:8px;
      border-radius:999px;
      background:
        linear-gradient(90deg,var(--cyan) 0 42%,rgba(39,245,255,.16) 42% 62%,var(--purple) 62% 82%,rgba(255,255,255,.08) 82%);
      box-shadow:0 0 20px rgba(39,245,255,.18);
      margin-top:18px;
    }
    .cta-strip{
      margin-top:18px;
      padding:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      border-radius:20px;
      border:1px solid rgba(39,245,255,.26);
      background:linear-gradient(90deg,rgba(39,245,255,.12),rgba(155,92,255,.08),rgba(157,255,69,.08));
    }
    .cta-strip strong{display:block;font-size:17px}
    .cta-strip span{color:var(--muted);font-size:14px}

    .filter-panel{
      padding:18px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      margin-top:28px;
    }
    .filter-title{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .filter-title strong{font-size:18px}
    .switches{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .switch{
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--muted);
      padding:9px 13px;
      border-radius:999px;
      transition:var(--ease);
      font-weight:700;
      font-size:13px;
    }
    .switch:hover,.switch.active{
      color:#061016;
      border-color:transparent;
      background:linear-gradient(135deg,var(--cyan),var(--green));
    }

    .feature-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .feature-large{
      padding:30px;
      min-height:360px;
      display:grid;
      grid-template-columns:1fr .82fr;
      gap:24px;
      align-items:center;
    }
    .feature-large h2{
      margin:14px 0 14px;
      font-size:34px;
      line-height:1.18;
    }
    .feature-large p{color:var(--muted);margin:0 0 22px}
    .radar{
      min-height:250px;
      border-radius:22px;
      border:1px solid rgba(39,245,255,.2);
      background:
        radial-gradient(circle,rgba(39,245,255,.24) 0 2px,transparent 3px),
        radial-gradient(circle at center,rgba(39,245,255,.08),transparent 62%),
        linear-gradient(135deg,rgba(39,245,255,.05),rgba(155,92,255,.08));
      background-size:28px 28px,100% 100%,100% 100%;
      position:relative;
      overflow:hidden;
    }
    .radar:before{
      content:"";
      position:absolute;
      width:190px;
      height:190px;
      left:50%;
      top:50%;
      transform:translate(-50%,-50%);
      border-radius:50%;
      border:1px solid rgba(39,245,255,.32);
      box-shadow:0 0 0 36px rgba(39,245,255,.04),0 0 0 72px rgba(155,92,255,.035);
    }
    .radar:after{
      content:"精选匹配";
      position:absolute;
      left:22px;
      bottom:22px;
      color:#061016;
      font-weight:900;
      padding:8px 12px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--cyan),var(--green));
    }
    .feature-stack{
      display:grid;
      gap:18px;
    }
    .ability-card{
      padding:24px;
      transition:var(--ease);
    }
    .ability-card:hover{
      transform:translateY(-4px);
      border-color:rgba(39,245,255,.45);
      box-shadow:var(--shadow-cyan);
    }
    .ability-card h3{
      margin:12px 0 8px;
      font-size:22px;
    }
    .ability-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
      color:#061016;
      background:linear-gradient(135deg,var(--orange),var(--green));
    }

    .scenario-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:start;
    }
    .scenario-menu{
      padding:20px;
    }
    .scenario-menu h2{
      margin:0 0 16px;
      font-size:28px;
    }
    .scenario-tabs{
      display:grid;
      gap:10px;
    }
    .scenario-tab{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      padding:15px;
      border-radius:16px;
      border:1px solid var(--line);
      color:var(--muted);
      background:rgba(255,255,255,.035);
      transition:var(--ease);
    }
    .scenario-tab:hover,.scenario-tab.active{
      color:var(--text);
      border-color:rgba(39,245,255,.45);
      background:rgba(39,245,255,.08);
      transform:translateX(4px);
    }
    .scenario-tab.active em{
      background:var(--green);
      color:#061016;
    }
    .scenario-tab em{
      font-style:normal;
      border-radius:999px;
      padding:3px 9px;
      background:rgba(255,255,255,.08);
      font-size:12px;
    }
    .scenario-board{
      padding:26px;
    }
    .board-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .board-card{
      padding:20px;
      border-radius:18px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
      transition:var(--ease);
    }
    .board-card:hover{
      border-color:rgba(155,92,255,.5);
      transform:translateY(-3px);
    }
    .board-card strong{
      display:block;
      margin-bottom:8px;
      font-size:18px;
    }
    .board-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      counter-reset:step;
    }
    .step{
      padding:24px;
      min-height:210px;
      counter-increment:step;
      transition:var(--ease);
    }
    .step:hover{
      transform:translateY(-4px);
      border-color:rgba(39,245,255,.4);
    }
    .step:before{
      content:"0" counter(step);
      display:inline-flex;
      color:#061016;
      background:linear-gradient(135deg,var(--cyan),var(--green));
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:900;
      margin-bottom:18px;
    }
    .step h3{
      margin:0 0 10px;
      font-size:20px;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .case-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .case-card{
      padding:24px;
      transition:var(--ease);
    }
    .case-card:hover{
      transform:translateY(-4px);
      border-color:rgba(39,245,255,.42);
      box-shadow:var(--shadow-cyan);
    }
    .case-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:18px;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-size:13px;
      font-weight:800;
    }
    .status:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 12px var(--green);
    }
    .case-card h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.28;
    }
    .case-card p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
    }
    .case-result{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }
    .result-box{
      padding:12px;
      border-radius:14px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
    }
    .result-box strong{
      display:block;
      color:var(--cyan);
      font-size:22px;
      line-height:1.1;
    }
    .result-box span{
      color:var(--soft);
      font-size:12px;
    }

    .plans{
      display:grid;
      grid-template-columns:.95fr 1.1fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .plan{
      padding:28px;
      transition:var(--ease);
    }
    .plan:hover{transform:translateY(-4px)}
    .plan.featured{
      border-color:rgba(39,245,255,.55);
      box-shadow:0 0 44px rgba(39,245,255,.16),var(--shadow);
      transform:translateY(-10px);
    }
    .plan h3{
      margin:16px 0 6px;
      font-size:24px;
    }
    .plan p{
      color:var(--muted);
      margin:0 0 18px;
    }
    .price{
      display:flex;
      align-items:flex-end;
      gap:8px;
      margin:18px 0;
    }
    .price strong{
      color:var(--cyan);
      font-size:38px;
      line-height:1;
      font-variant-numeric:tabular-nums;
    }
    .price span{color:var(--soft)}
    .check-list{
      list-style:none;
      padding:0;
      margin:18px 0 22px;
      display:grid;
      gap:10px;
    }
    .check-list li{
      position:relative;
      padding-left:24px;
      color:#c7cedd;
      font-size:14px;
    }
    .check-list li:before{
      content:"";
      position:absolute;
      left:0;
      top:.68em;
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 12px rgba(157,255,69,.45);
    }

    .contact-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:stretch;
    }
    .contact-copy{
      padding:30px;
    }
    .contact-copy h2{
      margin:12px 0 12px;
      font-size:34px;
      line-height:1.18;
    }
    .contact-copy p{color:var(--muted)}
    .contact-form{
      padding:26px;
      display:grid;
      gap:14px;
    }
    .field{
      display:grid;
      gap:7px;
    }
    .field label{
      color:#dce4f4;
      font-size:14px;
      font-weight:800;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--line);
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-radius:14px;
      padding:13px 14px;
      outline:0;
      transition:var(--ease);
    }
    .field textarea{
      min-height:112px;
      resize:vertical;
    }
    .field input:focus,.field textarea:focus{
      border-color:rgba(39,245,255,.6);
      box-shadow:var(--shadow-cyan);
    }
    .form-note{
      color:var(--soft);
      font-size:13px;
      margin:0;
    }

    .faq-list{
      display:grid;
      gap:12px;
      max-width:920px;
      margin:0 auto;
    }
    details.faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(17,20,29,.72);
      overflow:hidden;
      transition:var(--ease);
    }
    details.faq-item:hover{
      border-color:rgba(39,245,255,.34);
    }
    details.faq-item[open]{
      border-color:rgba(39,245,255,.48);
      box-shadow:var(--shadow-cyan);
    }
    .faq-item summary{
      list-style:none;
      padding:20px 22px;
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      font-weight:900;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      color:var(--cyan);
      font-size:24px;
      line-height:1;
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{
      margin:0;
      padding:0 22px 22px;
      color:var(--muted);
    }

    .final-cta{
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 20% 40%,rgba(39,245,255,.18),transparent 32%),
        linear-gradient(135deg,rgba(21,25,39,.96),rgba(11,13,20,.98));
    }
    .final-cta h2{
      margin:0 0 8px;
      font-size:32px;
      line-height:1.18;
    }
    .final-cta p{
      margin:0;
      color:var(--muted);
    }
    .final-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .footer{
      border-top:1px solid var(--line);
      background:#07080d;
      padding:56px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr 1fr;
      gap:26px;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:18px;
    }
    .footer p{
      margin:0 0 8px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{
      color:var(--cyan);
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
      margin-top:36px;
      padding-top:20px;
      border-top:1px solid var(--line);
      color:var(--soft);
      font-size:13px;
    }
    .back-top{
      color:var(--cyan);
      font-weight:800;
    }

    @media (max-width:1100px){
      .topbar{
        align-items:flex-start;
        flex-direction:column;
      }
      .topbar-tools{
        width:100%;
        flex-wrap:wrap;
      }
      .search-form{
        max-width:none;
        flex:1 1 320px;
      }
      .hero-bento,.feature-grid,.scenario-layout,.contact-grid{
        grid-template-columns:1fr;
      }
      .hero-side{
        grid-template-columns:1fr 1fr;
        grid-template-rows:auto;
      }
      .process,.footer-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .plans{
        grid-template-columns:1fr;
      }
      .plan.featured{
        transform:none;
      }
    }

    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:56px 0}
      .topbar{padding-top:14px}
      .brand{min-width:0}
      .brand-text strong{
        white-space:normal;
        font-size:16px;
      }
      .brand-text span{display:none}
      .topbar-tools{
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .search-form{
        grid-column:1 / -1;
        width:100%;
      }
      .btn{
        min-height:40px;
        padding:9px 13px;
        font-size:14px;
      }
      .channel-bar{
        width:100%;
        padding-bottom:12px;
      }
      .hero-main{
        min-height:auto;
        padding:28px;
      }
      .hero-meta{
        grid-template-columns:1fr;
      }
      .hero-side,.board-grid,.case-grid,.process{
        grid-template-columns:1fr;
      }
      .feature-large{
        grid-template-columns:1fr;
        padding:24px;
      }
      .filter-panel{
        grid-template-columns:1fr;
      }
      .switches{justify-content:flex-start}
      .section-head{
        display:block;
      }
      .section-desc{
        margin-top:12px;
      }
      .final-cta{
        grid-template-columns:1fr;
      }
      .final-actions{
        justify-content:flex-start;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }

    @media (max-width:520px){
      .category-hero{padding-top:28px}
      h1{font-size:34px}
      .hero-main{padding:22px}
      .hero-lead{font-size:16px}
      .cta-strip{
        align-items:flex-start;
        flex-direction:column;
      }
      .topbar-tools{
        grid-template-columns:1fr;
      }
      .search-form button{
        padding-inline:14px;
      }
      .meta-card strong{font-size:22px}
      .feature-large h2,.contact-copy h2,.final-cta h2{
        font-size:28px;
      }
      .case-result{
        grid-template-columns:1fr;
      }
    }

    @media (max-width:390px){
      .container{width:min(100% - 22px,var(--container))}
      .brand-mark{
        width:38px;
        height:38px;
      }
      .channel{
        font-size:13px;
        padding-inline:12px;
      }
      h1{font-size:30px}
      .section-title{font-size:26px}
      .hero-actions .btn,.final-actions .btn{
        width:100%;
      }
    }