/* roulang page: index */
:root{
      --bg:#071018;
      --bg-deep:#04090f;
      --bg-soft:#0c1923;
      --panel:rgba(19,33,43,.72);
      --panel-strong:rgba(25,42,53,.88);
      --panel-soft:rgba(255,255,255,.055);
      --text:#eef6f6;
      --muted:#a8b8bd;
      --weak:#75878e;
      --line:rgba(180,220,220,.16);
      --line-strong:rgba(68,255,220,.34);
      --cyan:#44ffdc;
      --cyan-2:#20d8c5;
      --teal:#0db59f;
      --amber:#e9b95f;
      --silver:#d5dde0;
      --danger:#ff7777;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --shadow:0 24px 80px rgba(0,0,0,.36);
      --shadow-soft:0 16px 50px rgba(0,0,0,.24);
      --glow:0 0 28px rgba(68,255,220,.22);
      --container:1180px;
      --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      --mono: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 14% 6%, rgba(68,255,220,.13), transparent 31%),
        radial-gradient(circle at 86% 18%, rgba(233,185,95,.08), transparent 28%),
        linear-gradient(135deg, #061018 0%, #0b151d 43%, #050a10 100%);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), rgba(0,0,0,.08));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.16;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)' opacity='.28'/%3E%3C/svg%3E");
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease, border-color .22s ease, background .22s ease, transform .22s ease, box-shadow .22s ease}
    a:hover,a:focus{color:var(--cyan)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font-family:inherit}
    button,.button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(68,255,220,.65);outline-offset:3px;border-radius:10px}
    .site-shell{position:relative}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .top-strip{
      border-bottom:1px solid var(--line);
      background:rgba(4,9,15,.76);
      backdrop-filter:blur(16px);
      color:var(--muted);
      font-size:13px;
    }
    .top-strip .inner{
      width:min(calc(100% - 32px), var(--container));
      min-height:38px;
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .top-strip .signal{
      display:inline-flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .signal-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(68,255,220,.9);
      flex:0 0 auto;
    }
    .top-strip .promise{color:#d8e4e6}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,16,24,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(180,220,220,.13);
    }
    .nav-wrap{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#05110f;
      background:
        linear-gradient(135deg, rgba(68,255,220,1), rgba(233,185,95,.9)),
        radial-gradient(circle at 20% 20%, #fff, transparent 35%);
      box-shadow:var(--glow);
      font-weight:900;
      letter-spacing:-1px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.16;
    }
    .brand-title{
      font-weight:850;
      letter-spacing:-.04em;
      color:var(--text);
      font-size:17px;
      white-space:nowrap;
    }
    .brand-sub{
      margin-top:4px;
      font-size:12px;
      color:var(--weak);
      letter-spacing:.08em;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .main-nav a{
      position:relative;
      padding:11px 13px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
    }
    .main-nav a:after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:6px;
      height:2px;
      border-radius:99px;
      background:var(--cyan);
      transform:scaleX(0);
      transform-origin:center;
      transition:transform .22s ease;
      box-shadow:0 0 12px rgba(68,255,220,.7);
    }
    .main-nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.055);
    }
    .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
    .main-nav a.active{
      color:#fff;
      background:linear-gradient(180deg, rgba(68,255,220,.14), rgba(68,255,220,.04));
      border:1px solid rgba(68,255,220,.18);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:0 18px;
      border-radius:999px;
      background:rgba(68,255,220,.1);
      border:1px solid rgba(68,255,220,.32);
      color:#eafffb;
      font-weight:750;
      font-size:14px;
      box-shadow:0 0 0 rgba(68,255,220,0);
    }
    .nav-cta:hover{
      color:#06110f;
      background:var(--cyan);
      box-shadow:var(--glow);
      transform:translateY(-1px);
    }
    .hero{
      padding:82px 0 58px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      width:560px;height:560px;
      right:-160px;top:-130px;
      background:radial-gradient(circle, rgba(68,255,220,.18), transparent 62%);
      filter:blur(3px);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.045);
      color:#dce9ea;
      font-size:13px;
      font-weight:700;
      margin-bottom:18px;
    }
    .eyebrow i{color:var(--cyan)}
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(38px, 5vw, 58px);
      line-height:1.12;
      letter-spacing:-.055em;
      margin-bottom:22px;
      color:#fbffff;
    }
    .grad-text{
      background:linear-gradient(90deg, #fff 0%, #bcfff3 45%, #e9b95f 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:660px;
      color:var(--silver);
      font-size:18px;
      line-height:1.85;
      margin-bottom:28px;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      line-height:1;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
    }
    .btn-primary{
      color:#03110f;
      background:linear-gradient(135deg, var(--cyan), #98ffe9 58%, #d8c06d);
      box-shadow:0 14px 40px rgba(68,255,220,.22), inset 0 1px 0 rgba(255,255,255,.5);
    }
    .btn-primary:hover{
      color:#03110f;
      transform:translateY(-2px);
      box-shadow:0 18px 54px rgba(68,255,220,.34);
    }
    .btn-secondary{
      color:#eafffb;
      background:rgba(255,255,255,.045);
      border-color:rgba(210,235,235,.18);
    }
    .btn-secondary:hover{
      color:#fff;
      background:rgba(68,255,220,.1);
      border-color:rgba(68,255,220,.48);
      transform:translateY(-2px);
    }
    .micro-metrics{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      color:var(--muted);
      font-size:13px;
    }
    .micro-metrics span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
    }
    .micro-metrics b{color:var(--cyan);font-family:var(--mono)}
    .hero-visual{
      position:relative;
      min-height:490px;
    }
    .dashboard{
      position:relative;
      border:1px solid rgba(180,220,220,.18);
      border-radius:30px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.04)),
        rgba(12,25,35,.74);
      box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.12);
      backdrop-filter:blur(18px);
      padding:24px;
      overflow:hidden;
    }
    .dashboard:before{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 78% 10%, rgba(68,255,220,.24), transparent 35%);
      pointer-events:none;
    }
    .dash-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:22px;
      position:relative;
    }
    .dash-title{
      font-size:15px;
      font-weight:850;
      color:#fff;
    }
    .dash-state{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#c9fdf4;
      font-size:12px;
      border:1px solid rgba(68,255,220,.24);
      background:rgba(68,255,220,.08);
      padding:6px 10px;
      border-radius:999px;
    }
    .orbit-card{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      z-index:1;
    }
    .mini-card{
      min-height:124px;
      padding:17px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(3,12,18,.38);
      transition:transform .22s ease, border-color .22s ease, background .22s ease;
    }
    .mini-card:hover{
      transform:translateY(-3px);
      border-color:rgba(68,255,220,.45);
      background:rgba(7,20,27,.66);
    }
    .mini-card.wide{grid-column:span 2;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .mini-label{font-size:12px;color:var(--weak);margin-bottom:8px}
    .mini-value{
      color:#fff;
      font-family:var(--mono);
      font-size:30px;
      font-weight:850;
      letter-spacing:-.04em;
      margin-bottom:4px;
    }
    .mini-desc{font-size:13px;color:var(--muted);line-height:1.55}
    .progress-stack{display:grid;gap:10px;min-width:190px}
    .bar{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--cyan), var(--amber));
      box-shadow:0 0 16px rgba(68,255,220,.35);
    }
    .floating-note{
      position:absolute;
      right:-10px;
      bottom:34px;
      width:220px;
      padding:15px;
      border-radius:20px;
      border:1px solid rgba(233,185,95,.26);
      background:rgba(31,27,18,.74);
      backdrop-filter:blur(14px);
      box-shadow:var(--shadow-soft);
      color:#f6e6bd;
      font-size:13px;
    }
    .section{
      padding:70px 0;
      position:relative;
    }
    .section.tight{padding-top:38px}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      color:var(--cyan);
      font-weight:850;
      font-size:13px;
      letter-spacing:.12em;
      margin-bottom:8px;
    }
    h2{
      font-size:clamp(28px, 3.4vw, 38px);
      line-height:1.2;
      letter-spacing:-.045em;
      margin-bottom:0;
      color:#f7ffff;
    }
    .section-desc{
      color:var(--muted);
      max-width:430px;
      margin:0;
      font-size:15px;
    }
    .glass-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(14px);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
      overflow:hidden;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(68,255,220,.34);
      box-shadow:0 24px 70px rgba(0,0,0,.34), 0 0 28px rgba(68,255,220,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.095), rgba(255,255,255,.045));
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:16px;
    }
    .stat-card{
      grid-column:span 3;
      padding:22px;
      position:relative;
    }
    .stat-card:nth-child(2){grid-column:span 3}
    .stat-card:nth-child(3){grid-column:span 3}
    .stat-card:nth-child(4){grid-column:span 3}
    .stat-card:before{
      content:"";
      position:absolute;
      top:0;left:20px;right:20px;
      height:2px;
      background:linear-gradient(90deg, transparent, var(--cyan), transparent);
      opacity:.72;
    }
    .stat-num{
      display:flex;
      align-items:baseline;
      gap:4px;
      font-family:var(--mono);
      font-size:34px;
      line-height:1;
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
      letter-spacing:-.04em;
    }
    .stat-num small{font-size:15px;color:var(--cyan)}
    .stat-name{
      font-weight:850;
      margin-bottom:8px;
      color:#eafafa;
    }
    .stat-text{
      color:var(--muted);
      font-size:14px;
      margin:0;
      line-height:1.7;
    }
    .matrix{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-large{
      min-height:360px;
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 20% 10%, rgba(68,255,220,.17), transparent 36%),
        linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.035));
    }
    .feature-stack{
      display:grid;
      gap:18px;
    }
    .feature-card{
      padding:24px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:14px 0 0;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.045);
      color:#cfe2e5;
      font-size:12px;
      font-weight:700;
    }
    .tag.hot{
      border-color:rgba(233,185,95,.32);
      color:#ffe3a6;
      background:rgba(233,185,95,.08);
    }
    .card-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#071018;
      background:linear-gradient(135deg, var(--cyan), #d7fff7);
      margin-bottom:18px;
      box-shadow:0 0 24px rgba(68,255,220,.22);
    }
    .feature-card h3,.feature-large h3{
      color:#fff;
      font-size:22px;
      line-height:1.35;
      letter-spacing:-.035em;
      margin-bottom:10px;
    }
    .feature-card p,.feature-large p{color:var(--muted);font-size:15px;margin-bottom:14px}
    .check-list{
      list-style:none;
      padding:0;margin:0;
      display:grid;
      gap:9px;
      color:#d8e7e9;
      font-size:14px;
    }
    .check-list li{
      display:flex;
      align-items:flex-start;
      gap:9px;
    }
    .check-list i{color:var(--cyan);margin-top:6px;font-size:12px}
    .light-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#cffff8;
      font-weight:800;
      font-size:14px;
      margin-top:18px;
    }
    .light-link:hover{gap:12px;color:var(--cyan)}
    .category-entry{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .category-card{
      padding:24px;
      min-height:210px;
      position:relative;
    }
    .category-card:after{
      content:"";
      position:absolute;
      right:-40px;bottom:-46px;
      width:140px;height:140px;border-radius:50%;
      background:radial-gradient(circle, rgba(68,255,220,.16), transparent 68%);
    }
    .category-card .index{
      color:var(--amber);
      font-family:var(--mono);
      font-size:13px;
      font-weight:900;
      margin-bottom:12px;
    }
    .category-card h3{
      color:#fff;
      font-size:21px;
      letter-spacing:-.035em;
      margin-bottom:9px;
    }
    .category-card p{
      color:var(--muted);
      margin:0;
      font-size:14px;
    }
    .compare-panel{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      padding:18px;
    }
    .compare-side{
      padding:24px;
      border-radius:22px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.1);
    }
    .compare-side.online{
      background:
        radial-gradient(circle at 75% 12%, rgba(68,255,220,.16), transparent 42%),
        rgba(68,255,220,.045);
      border-color:rgba(68,255,220,.22);
    }
    .compare-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:20px;
    }
    .compare-title h3{
      margin:0;
      color:#fff;
      font-size:22px;
      letter-spacing:-.035em;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      border:1px solid rgba(255,255,255,.14);
      color:var(--muted);
      background:rgba(255,255,255,.045);
    }
    .badge.good{
      color:#cffff8;
      border-color:rgba(68,255,220,.35);
      background:rgba(68,255,220,.09);
    }
    .compare-item{
      margin-bottom:17px;
    }
    .compare-item:last-child{margin-bottom:0}
    .compare-label{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#dce9ea;
      font-size:14px;
      font-weight:750;
      margin-bottom:8px;
    }
    .compare-label small{color:var(--weak);font-family:var(--mono)}
    .trust-layout{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:18px;
      align-items:stretch;
    }
    .trust-note{
      padding:28px;
      background:
        linear-gradient(135deg, rgba(233,185,95,.1), rgba(68,255,220,.045)),
        rgba(255,255,255,.035);
    }
    .trust-note h3{
      color:#fff;
      font-size:25px;
      letter-spacing:-.04em;
      margin-bottom:12px;
    }
    .trust-note p{color:var(--muted);margin-bottom:18px}
    .trust-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .trust-item{
      padding:22px;
    }
    .trust-item h3{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:18px;
      color:#fff;
      margin-bottom:8px;
    }
    .trust-item h3 i{color:var(--cyan)}
    .trust-item p{color:var(--muted);font-size:14px;margin:0}
    .flow-line{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .flow-step{
      padding:22px;
      position:relative;
    }
    .flow-step .num{
      font-family:var(--mono);
      color:var(--cyan);
      font-weight:900;
      margin-bottom:10px;
    }
    .flow-step h3{
      color:#fff;
      font-size:18px;
      margin-bottom:8px;
    }
    .flow-step p{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      background:rgba(255,255,255,.045);
      box-shadow:0 10px 32px rgba(0,0,0,.16);
    }
    .accordion-title{
      color:#f2ffff;
      border:0;
      padding:18px 48px 18px 20px;
      font-weight:850;
      font-size:15px;
      background:rgba(255,255,255,.035);
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(68,255,220,.08);
      color:#fff;
    }
    .accordion-title:before{
      color:var(--cyan);
      font-size:20px;
      margin-top:-12px;
    }
    .accordion-content{
      border:0;
      background:rgba(3,12,18,.35);
      color:var(--muted);
      padding:18px 20px 20px;
      font-size:14px;
      line-height:1.8;
    }
    .cta-section{
      padding:78px 0 88px;
    }
    .cta-panel{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      padding:28px;
      border-radius:30px;
      border:1px solid rgba(68,255,220,.22);
      background:
        radial-gradient(circle at 16% 10%, rgba(68,255,220,.16), transparent 34%),
        linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .cta-copy h2{
      margin-bottom:16px;
    }
    .cta-copy p{
      color:var(--muted);
      margin-bottom:22px;
    }
    .contact-list{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .contact-list span{
      display:flex;
      gap:10px;
      align-items:center;
      color:#dce9ea;
      font-size:14px;
    }
    .contact-list i{color:var(--cyan);width:18px}
    .lead-form{
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(2,10,15,.34);
    }
    .form-label{
      color:#e8f5f5;
      font-weight:800;
      font-size:14px;
      margin-bottom:8px;
    }
    .lead-form input,.lead-form textarea{
      width:100%;
      border:1px solid rgba(210,235,235,.16);
      background:rgba(255,255,255,.055);
      color:#fff;
      border-radius:15px;
      box-shadow:none;
      padding:13px 14px;
      height:auto;
      margin-bottom:15px;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .lead-form textarea{min-height:118px;resize:vertical}
    .lead-form input::placeholder,.lead-form textarea::placeholder{color:#74858b}
    .lead-form input:focus,.lead-form textarea:focus{
      border-color:rgba(68,255,220,.62);
      background:rgba(68,255,220,.06);
      box-shadow:0 0 0 4px rgba(68,255,220,.1);
    }
    .form-help{
      color:var(--weak);
      font-size:12px;
      margin:-4px 0 16px;
    }
    .site-footer{
      padding:46px 0 34px;
      background:linear-gradient(180deg, rgba(4,9,15,.18), rgba(3,7,11,.82));
      border-top:1px solid rgba(180,220,220,.13);
      position:relative;
      margin-bottom:0;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(68,255,220,.6), transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .85fr .95fr;
      gap:28px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-title{
      font-size:18px;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .footer-desc{
      color:var(--muted);
      font-size:14px;
      max-width:460px;
      margin:0;
    }
    .footer-col h3{
      color:#fff;
      font-size:15px;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{color:var(--cyan)}
    .copyright{
      margin-top:32px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--weak);
      font-size:12px;
      flex-wrap:wrap;
    }
    .mobile-tabs{
      display:none;
      position:fixed;
      left:10px;right:10px;bottom:10px;
      z-index:80;
      border:1px solid rgba(180,220,220,.18);
      background:rgba(7,16,24,.82);
      backdrop-filter:blur(18px);
      border-radius:22px;
      box-shadow:0 16px 50px rgba(0,0,0,.38);
      overflow:hidden;
    }
    .mobile-tabs a{
      flex:1;
      min-width:0;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:4px;
      padding:9px 4px 8px;
      color:var(--muted);
      font-size:11px;
      font-weight:750;
    }
    .mobile-tabs i{font-size:15px}
    .mobile-tabs a.active{
      color:#06110f;
      background:linear-gradient(135deg, var(--cyan), #c6fff4);
    }
    .mobile-tabs a:not(.active):hover{
      color:#fff;
      background:rgba(255,255,255,.055);
    }
    @media (max-width:1024px){
      .nav-wrap{gap:14px}
      .main-nav a{padding:10px 9px;font-size:13px}
      .nav-cta{display:none}
      .hero{padding-top:58px}
      .hero-visual{min-height:auto;margin-top:32px}
      .stat-card{grid-column:span 6}
      .matrix,.trust-layout,.cta-panel{grid-template-columns:1fr}
      .flow-line{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      body{padding-bottom:76px}
      .top-strip .inner{justify-content:center;text-align:center}
      .top-strip .promise{display:none}
      .nav-wrap{min-height:66px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-title{font-size:15px;max-width:230px;overflow:hidden;text-overflow:ellipsis}
      .brand-sub{font-size:11px}
      .main-nav{display:none}
      .nav-cta{display:none}
      .hero{padding:44px 0 42px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .dashboard{padding:18px;border-radius:24px}
      .orbit-card{grid-template-columns:1fr}
      .mini-card.wide{grid-column:span 1;display:block}
      .progress-stack{margin-top:14px;min-width:0}
      .floating-note{position:relative;right:auto;bottom:auto;width:auto;margin-top:14px}
      .section{padding:52px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .stat-card{grid-column:span 12}
      .category-entry{grid-template-columns:1fr}
      .compare-panel{grid-template-columns:1fr;padding:14px}
      .trust-grid{grid-template-columns:1fr}
      .flow-line{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
      .mobile-tabs{display:flex}
    }
    @media (max-width:520px){
      .container,.nav-wrap,.top-strip .inner{width:min(calc(100% - 24px), var(--container))}
      h1{font-size:36px}
      h2{font-size:27px}
      .feature-large,.feature-card,.trust-note,.trust-item,.cta-panel,.lead-form{padding:20px}
      .micro-metrics span{width:100%;justify-content:space-between}
      .stat-num{font-size:31px}
      .compare-title{align-items:flex-start;flex-direction:column}
      .footer-title{font-size:16px}
    }

/* roulang page: category2 */
:root{
      --bg:#071014;
      --bg-2:#0b171d;
      --panel:#0f2027;
      --panel-2:rgba(19,38,46,.74);
      --glass:rgba(255,255,255,.065);
      --glass-strong:rgba(255,255,255,.105);
      --line:rgba(185,220,222,.16);
      --line-strong:rgba(67,245,218,.36);
      --text:#eef8f6;
      --muted:#9eb3b2;
      --soft:#c7d7d5;
      --primary:#32f5d0;
      --primary-2:#1aa6ff;
      --amber:#f3b84b;
      --danger:#ff6b6b;
      --shadow:0 24px 70px rgba(0,0,0,.36);
      --shadow-soft:0 14px 36px rgba(0,0,0,.24);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --radius-xl:34px;
      --container:1180px;
      --ease:all .24s ease;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 10% 0%,rgba(50,245,208,.12),transparent 32%),
        radial-gradient(circle at 86% 12%,rgba(26,166,255,.12),transparent 34%),
        radial-gradient(circle at 50% 100%,rgba(243,184,75,.07),transparent 28%),
        linear-gradient(135deg,#050b0f 0%,#081318 42%,#10151a 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 78%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:linear-gradient(180deg,rgba(255,255,255,.025),transparent 18%,rgba(255,255,255,.018));
      z-index:-1;
    }

    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,textarea,select{font-family:inherit}
    input,textarea,select{
      width:100%;
      color:var(--text);
      background:rgba(255,255,255,.07);
      border:1px solid var(--line);
      border-radius:16px;
      min-height:52px;
      padding:13px 15px;
      box-shadow:none;
      transition:var(--ease);
    }
    textarea{min-height:118px;resize:vertical}
    input::placeholder,textarea::placeholder{color:rgba(199,215,213,.55)}
    input:focus,textarea:focus,select:focus{
      outline:none;
      border-color:var(--line-strong);
      background:rgba(255,255,255,.095);
      box-shadow:0 0 0 4px rgba(50,245,208,.1);
    }
    input[aria-invalid="true"]{border-color:rgba(255,107,107,.72)}
    ::selection{background:rgba(50,245,208,.28);color:#fff}

    .container{
      width:min(calc(100% - 32px),var(--container));
      margin:0 auto;
    }
    .section{
      position:relative;
      padding:82px 0;
    }
    .section.tight{padding:56px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(50,245,208,.26);
      border-radius:999px;
      color:var(--primary);
      background:rgba(50,245,208,.07);
      font-size:13px;
      letter-spacing:.04em;
      margin-bottom:16px;
    }
    .section-title{
      margin:0 0 14px;
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.04em;
      color:#f7fffd;
    }
    .section-lead{
      margin:0;
      max-width:760px;
      color:var(--muted);
      font-size:16px;
    }
    .split-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .split-head .section-lead{max-width:560px}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(7,16,20,.78);
      border-bottom:1px solid rgba(185,220,222,.12);
      backdrop-filter:blur(20px);
      box-shadow:0 12px 34px rgba(0,0,0,.22);
    }
    .site-header:before{
      content:"无人化在线流程 · 少人工干预 · 快速接入 · 稳定响应";
      display:block;
      text-align:center;
      color:rgba(238,248,246,.76);
      font-size:13px;
      line-height:34px;
      border-bottom:1px solid rgba(185,220,222,.08);
      background:linear-gradient(90deg,rgba(50,245,208,.08),rgba(243,184,75,.05),rgba(26,166,255,.08));
    }
    .nav-wrap{
      width:min(calc(100% - 32px),var(--container));
      margin:0 auto;
      min-height:76px;
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:300px;
    }
    .brand-mark{
      width:46px;
      height:46px;
      flex:0 0 46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      color:#03110f;
      font-weight:900;
      font-size:24px;
      background:
        radial-gradient(circle at 30% 20%,#ffffff 0%,#a9fff0 18%,#32f5d0 46%,#0b776c 100%);
      box-shadow:0 0 26px rgba(50,245,208,.26), inset 0 -8px 16px rgba(0,0,0,.18);
    }
    .brand-text{display:block;line-height:1.25}
    .brand-title{
      display:block;
      color:#fff;
      font-weight:850;
      font-size:17px;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-sub{
      color:rgba(199,215,213,.66);
      font-size:12px;
    }
    .main-nav{
      flex:1;
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:4px;
    }
    .main-nav a{
      position:relative;
      padding:10px 13px;
      color:rgba(238,248,246,.78);
      font-size:14px;
      border-radius:999px;
    }
    .main-nav a:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:2px;
      background:var(--primary);
      transform:scaleX(0);
      transform-origin:center;
      transition:var(--ease);
      box-shadow:0 0 12px rgba(50,245,208,.7);
    }
    .main-nav a:hover{
      color:#fff;
      background:rgba(255,255,255,.055);
    }
    .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
    .main-nav a.active{
      color:#fff;
      background:rgba(50,245,208,.1);
      border:1px solid rgba(50,245,208,.18);
    }
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:750;
      font-size:14px;
      border:1px solid transparent;
      cursor:pointer;
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-cta,.btn.primary{
      color:#041714;
      background:linear-gradient(135deg,#32f5d0,#7dffe9 56%,#1aa6ff);
      box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 12px 30px rgba(50,245,208,.19);
    }
    .nav-cta:hover,.btn.primary:hover{
      color:#02100f;
      transform:translateY(-2px);
      filter:saturate(1.08) brightness(1.04);
      box-shadow:0 0 0 1px rgba(255,255,255,.2) inset,0 18px 42px rgba(50,245,208,.28);
    }
    .btn.secondary{
      color:var(--text);
      background:rgba(255,255,255,.06);
      border-color:rgba(185,220,222,.18);
    }
    .btn.secondary:hover{
      color:#fff;
      border-color:rgba(50,245,208,.38);
      background:rgba(50,245,208,.08);
      transform:translateY(-2px);
    }
    .btn:focus,.nav-cta:focus,.main-nav a:focus,.mobile-tab a:focus{
      outline:3px solid rgba(50,245,208,.32);
      outline-offset:3px;
    }
    .btn:active,.nav-cta:active{transform:translateY(0) scale(.99)}

    .hero{
      padding:76px 0 54px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      padding:36px;
      border:1px solid rgba(185,220,222,.15);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(130deg,rgba(255,255,255,.09),rgba(255,255,255,.035) 42%,rgba(50,245,208,.055)),
        radial-gradient(circle at 80% 10%,rgba(50,245,208,.18),transparent 34%),
        rgba(10,24,30,.82);
      box-shadow:var(--shadow);
    }
    .hero-shell:before{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-140px;
      top:-110px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(50,245,208,.24),transparent 64%);
      filter:blur(4px);
    }
    .hero-shell:after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--primary),transparent);
      opacity:.7;
    }
    .hero-content{position:relative;z-index:2}
    .eyebrow{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:18px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:13px;
      color:rgba(238,248,246,.86);
      border:1px solid rgba(185,220,222,.16);
      background:rgba(255,255,255,.055);
    }
    .badge.hot{
      color:#1a1203;
      background:linear-gradient(135deg,#f3b84b,#ffe19b);
      border-color:rgba(255,225,155,.46);
    }
    h1{
      margin:0 0 20px;
      font-size:clamp(38px,6vw,58px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:900;
      color:#fff;
    }
    .hero-sub{
      margin:0 0 26px;
      max-width:680px;
      color:rgba(221,236,234,.82);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin:28px 0 28px;
    }
    .mini-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:650px;
    }
    .mini-metric{
      padding:14px;
      border:1px solid rgba(185,220,222,.13);
      border-radius:18px;
      background:rgba(255,255,255,.055);
    }
    .mini-metric strong{
      display:block;
      color:var(--primary);
      font-size:22px;
      font-weight:900;
      line-height:1.1;
    }
    .mini-metric span{
      display:block;
      margin-top:5px;
      color:rgba(199,215,213,.72);
      font-size:13px;
    }

    .visual-board{
      position:relative;
      min-height:430px;
      padding:18px;
    }
    .flow-orbit{
      position:absolute;
      inset:28px;
      border-radius:34px;
      border:1px dashed rgba(50,245,208,.25);
      background:linear-gradient(135deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
      transform:rotate(-2deg);
    }
    .scenario-card{
      position:absolute;
      width:74%;
      left:8%;
      top:8%;
      border-radius:24px;
      padding:20px;
      border:1px solid rgba(185,220,222,.16);
      background:rgba(13,29,36,.82);
      backdrop-filter:blur(16px);
      box-shadow:var(--shadow-soft);
    }
    .scenario-card.second{
      width:62%;
      left:auto;
      right:4%;
      top:42%;
      background:rgba(20,40,45,.84);
      border-color:rgba(50,245,208,.21);
    }
    .scenario-card.third{
      width:54%;
      left:5%;
      top:66%;
      background:rgba(25,31,29,.86);
      border-color:rgba(243,184,75,.24);
    }
    .card-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .icon-pill{
      width:42px;
      height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      color:#03110f;
      background:linear-gradient(135deg,var(--primary),#d1fff6);
      box-shadow:0 0 18px rgba(50,245,208,.24);
    }
    .scenario-card h3{
      margin:12px 0 8px;
      font-size:18px;
      color:#fff;
    }
    .scenario-card p{
      margin:0;
      color:rgba(199,215,213,.74);
      font-size:14px;
      line-height:1.65;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:rgba(199,215,213,.76);
      font-size:13px;
    }
    .status-dot:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--primary);
      box-shadow:0 0 13px rgba(50,245,208,.9);
    }

    .glass-card{
      position:relative;
      overflow:hidden;
      height:100%;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(255,255,255,.082),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(50,245,208,.28);
      box-shadow:0 22px 54px rgba(0,0,0,.34),0 0 28px rgba(50,245,208,.08);
    }
    .glass-card.pad{padding:24px}
    .card-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      color:var(--primary);
      background:rgba(50,245,208,.075);
      border:1px solid rgba(50,245,208,.18);
      font-size:12px;
      margin-bottom:12px;
    }
    .glass-card h3{
      margin:0 0 10px;
      font-size:20px;
      font-weight:830;
      color:#fff;
      line-height:1.35;
    }
    .glass-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .scene-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .scene-stack{
      display:grid;
      gap:18px;
    }
    .scene-main{
      padding:30px;
      min-height:360px;
      background:
        radial-gradient(circle at 88% 8%,rgba(50,245,208,.16),transparent 28%),
        linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
    }
    .scene-main .big-number{
      margin:22px 0 14px;
      color:#fff;
      font-size:66px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.06em;
    }
    .big-number small{
      font-size:18px;
      color:var(--primary);
      letter-spacing:0;
    }
    .scenario-list{
      margin:22px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .scenario-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(221,236,234,.82);
      font-size:14px;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(185,220,222,.1);
    }
    .scenario-list i{
      color:var(--primary);
      margin-top:4px;
    }

    .matrix{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
    }
    .solution-card{
      padding:24px;
      border-radius:24px;
      border:1px solid rgba(185,220,222,.15);
      background:rgba(255,255,255,.055);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .solution-card:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.075);
      border-color:rgba(50,245,208,.28);
    }
    .solution-card.wide{grid-column:span 7}
    .solution-card.tall{grid-column:span 5}
    .solution-card.half{grid-column:span 6}
    .solution-card h3{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 0 12px;
      color:#fff;
      font-size:21px;
    }
    .solution-card h3 i{color:var(--primary)}
    .feature-list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:9px;
    }
    .feature-list li{
      display:flex;
      gap:9px;
      color:rgba(221,236,234,.8);
      font-size:14px;
    }
    .feature-list li:before{
      content:"";
      width:7px;
      height:7px;
      margin-top:9px;
      flex:0 0 7px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 12px rgba(50,245,208,.8);
    }
    .fit-labels{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .fit-labels span{
      padding:6px 9px;
      font-size:12px;
      border-radius:999px;
      color:rgba(238,248,246,.8);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(185,220,222,.12);
    }

    .process-strip{
      position:relative;
      padding:26px;
      border-radius:28px;
      border:1px solid rgba(185,220,222,.14);
      background:linear-gradient(120deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      overflow:hidden;
    }
    .process-strip:before{
      content:"";
      position:absolute;
      left:36px;
      right:36px;
      top:77px;
      height:1px;
      background:linear-gradient(90deg,rgba(50,245,208,.05),rgba(50,245,208,.8),rgba(243,184,75,.45));
    }
    .process-grid{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      z-index:1;
    }
    .process-step{
      padding:20px;
      border-radius:22px;
      background:rgba(7,16,20,.54);
      border:1px solid rgba(185,220,222,.13);
    }
    .step-index{
      width:42px;
      height:42px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      background:#061210;
      color:var(--primary);
      border:1px solid rgba(50,245,208,.35);
      box-shadow:0 0 20px rgba(50,245,208,.14);
      font-weight:900;
      margin-bottom:18px;
    }
    .process-step h3{
      margin:0 0 8px;
      color:#fff;
      font-size:18px;
    }
    .process-step p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .result-panel{
      border-radius:30px;
      padding:30px;
      border:1px solid rgba(185,220,222,.14);
      background:
        radial-gradient(circle at 15% 20%,rgba(243,184,75,.09),transparent 28%),
        linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.032));
      box-shadow:var(--shadow-soft);
    }
    .result-item{
      display:grid;
      grid-template-columns:150px 1fr 90px;
      gap:16px;
      align-items:center;
      padding:16px 0;
      border-bottom:1px solid rgba(185,220,222,.1);
    }
    .result-item:last-child{border-bottom:0}
    .result-name{font-weight:750;color:#fff}
    .bar{
      height:12px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(185,220,222,.08);
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      box-shadow:0 0 20px rgba(50,245,208,.28);
    }
    .result-value{
      color:var(--primary);
      font-weight:900;
      text-align:right;
    }
    .note-card{
      padding:22px;
      border-radius:24px;
      background:rgba(243,184,75,.08);
      border:1px solid rgba(243,184,75,.24);
      color:rgba(255,239,203,.86);
    }
    .note-card strong{display:block;color:#ffe4a3;margin-bottom:8px}

    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid rgba(185,220,222,.14);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:var(--ease);
    }
    .accordion-item.is-active{
      border-color:rgba(50,245,208,.28);
      box-shadow:0 0 28px rgba(50,245,208,.08);
    }
    .accordion-title{
      border:0!important;
      background:transparent!important;
      color:#fff!important;
      font-size:16px;
      font-weight:780;
      padding:19px 52px 19px 20px;
      line-height:1.5;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:var(--primary)!important;
      outline:none;
    }
    .accordion-title:before{
      right:20px;
      color:var(--primary);
      font-size:22px;
      margin-top:-14px;
    }
    .accordion-content{
      border:0!important;
      color:var(--muted);
      background:rgba(7,16,20,.25)!important;
      padding:0 20px 20px;
      font-size:14px;
      line-height:1.8;
    }

    .contact-wrap{
      border-radius:32px;
      padding:30px;
      border:1px solid rgba(185,220,222,.15);
      background:
        radial-gradient(circle at 88% 20%,rgba(50,245,208,.16),transparent 32%),
        linear-gradient(145deg,rgba(255,255,255,.086),rgba(255,255,255,.038));
      box-shadow:var(--shadow);
    }
    .contact-points{
      display:grid;
      gap:12px;
      margin-top:22px;
    }
    .contact-point{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.052);
      border:1px solid rgba(185,220,222,.11);
    }
    .contact-point i{
      width:34px;
      height:34px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 34px;
      border-radius:12px;
      color:#071014;
      background:var(--primary);
    }
    .contact-point strong{display:block;color:#fff;line-height:1.35}
    .contact-point span{display:block;color:var(--muted);font-size:13px}
    .form-card{
      padding:24px;
      border-radius:26px;
      background:rgba(7,16,20,.44);
      border:1px solid rgba(185,220,222,.14);
    }
    .form-card label{
      color:rgba(238,248,246,.84);
      font-weight:700;
      font-size:14px;
      margin-bottom:8px;
    }
    .form-hint{
      margin:12px 0 0;
      color:rgba(199,215,213,.68);
      font-size:12px;
    }

    .site-footer{
      padding:54px 0 90px;
      border-top:1px solid rgba(185,220,222,.12);
      background:
        linear-gradient(180deg,rgba(7,16,20,.15),rgba(4,9,12,.96)),
        radial-gradient(circle at 20% 0%,rgba(50,245,208,.09),transparent 30%);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr .75fr;
      gap:36px;
      padding-bottom:32px;
      border-bottom:1px solid rgba(185,220,222,.1);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-title{font-size:18px;font-weight:850;color:#fff}
    .footer-desc{
      max-width:480px;
      color:var(--muted);
      margin:0;
      font-size:14px;
    }
    .footer-col h3{
      margin:0 0 14px;
      color:#fff;
      font-size:15px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:rgba(199,215,213,.72);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--primary);
      padding-left:4px;
    }
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:20px;
      color:rgba(199,215,213,.58);
      font-size:12px;
    }

    .mobile-tab{
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:1100;
      display:none;
      grid-template-columns:repeat(4,1fr);
      gap:6px;
      padding:8px;
      border:1px solid rgba(185,220,222,.16);
      border-radius:22px;
      background:rgba(7,16,20,.78);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 48px rgba(0,0,0,.38);
    }
    .mobile-tab a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:4px;
      min-height:52px;
      border-radius:16px;
      color:rgba(238,248,246,.72);
      font-size:11px;
      line-height:1.15;
    }
    .mobile-tab i{font-size:16px}
    .mobile-tab a.active{
      color:#061411;
      background:linear-gradient(135deg,var(--primary),#a9fff0);
      font-weight:800;
    }
    .mobile-tab a:not(.active):hover{
      color:#fff;
      background:rgba(255,255,255,.07);
    }

    @media (max-width:1024px){
      .brand{min-width:auto}
      .brand-title{font-size:15px}
      .main-nav a{padding:9px 9px;font-size:13px}
      .nav-cta{padding:10px 14px}
      .hero-shell{padding:28px}
      .visual-board{min-height:360px}
      .matrix{grid-template-columns:repeat(2,1fr)}
      .solution-card.wide,.solution-card.tall,.solution-card.half{grid-column:auto}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .process-strip:before{display:none}
    }
    @media (max-width:768px){
      .site-header:before{font-size:12px;line-height:30px}
      .nav-wrap{min-height:70px}
      .main-nav,.nav-cta{display:none}
      .brand-mark{width:42px;height:42px;flex-basis:42px}
      .brand-title{max-width:230px;overflow:hidden;text-overflow:ellipsis}
      .hero{padding:36px 0 28px}
      .hero-shell{border-radius:26px;padding:24px}
      .mini-metrics{grid-template-columns:1fr}
      .visual-board{min-height:330px;margin-top:20px}
      .scenario-card{position:relative;width:100%!important;left:auto!important;right:auto!important;top:auto!important;margin-bottom:12px}
      .flow-orbit{display:none}
      .scene-grid{grid-template-columns:1fr}
      .split-head{display:block}
      .section{padding:58px 0}
      .process-grid{grid-template-columns:1fr}
      .result-item{grid-template-columns:1fr;gap:8px}
      .result-value{text-align:left}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .copyright{display:grid}
      .mobile-tab{display:grid}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 24px),var(--container))}
      .nav-wrap{width:min(calc(100% - 24px),var(--container))}
      .brand-title{max-width:190px;font-size:14px}
      .brand-sub{font-size:11px}
      .hero-shell{padding:20px;border-radius:22px}
      h1{font-size:36px}
      .hero-sub{font-size:15px}
      .hero-actions .btn{width:100%}
      .scene-main .big-number{font-size:52px}
      .contact-wrap{padding:20px;border-radius:24px}
      .form-card{padding:18px}
      .site-footer{padding-bottom:92px}
    }

/* roulang page: category1 */
:root{
  --bg:#0a1020;
  --bg-2:#0f1728;
  --bg-3:#121c2f;
  --panel:rgba(15,23,36,.72);
  --panel-strong:rgba(17,26,40,.88);
  --line:rgba(154,179,206,.16);
  --line-strong:rgba(131,227,214,.22);
  --text:#edf4ff;
  --muted:#a6b6ca;
  --faint:#71839a;
  --accent:#38e6d1;
  --accent-2:#2dc8ff;
  --accent-soft:rgba(56,230,209,.14);
  --warn:#f2c66d;
  --shadow:0 18px 42px rgba(0,0,0,.36);
  --shadow-soft:0 10px 26px rgba(0,0,0,.24);
  --radius:22px;
  --radius-sm:16px;
  --radius-xs:12px;
  --space:clamp(1rem,2vw,1.5rem);
  --space-lg:clamp(1.5rem,3vw,2.5rem);
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:
    radial-gradient(circle at 12% 18%, rgba(56,230,209,.13), transparent 26%),
    radial-gradient(circle at 82% 16%, rgba(45,200,255,.10), transparent 24%),
    radial-gradient(circle at 88% 82%, rgba(242,198,109,.06), transparent 18%),
    linear-gradient(180deg, #0a1020 0%, #0c1322 42%, #09111d 100%);
  color:var(--text);
  position:relative;
  overflow-x:hidden;
  padding-bottom:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    linear-gradient(115deg, rgba(255,255,255,.03), transparent 22%, rgba(255,255,255,.02) 42%, transparent 60%, rgba(255,255,255,.02) 78%, transparent),
    repeating-linear-gradient(90deg, rgba(255,255,255,.023) 0, rgba(255,255,255,.023) 1px, transparent 1px, transparent 88px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0, rgba(255,255,255,.018) 1px, transparent 1px, transparent 88px);
  opacity:.32;
  pointer-events:none;
  z-index:-2;
  mix-blend-mode:screen;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(circle at center, transparent 40%, rgba(10,16,32,.32) 100%);
  pointer-events:none;
  z-index:-1;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .24s ease}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
:focus-visible{
  outline:2px solid rgba(56,230,209,.88);
  outline-offset:3px;
}

.container{
  width:min(var(--max), calc(100% - 2rem));
  margin-inline:auto;
}

.top-ribbon{
  background:linear-gradient(90deg, rgba(56,230,209,.15), rgba(45,200,255,.10), rgba(242,198,109,.08));
  border-bottom:1px solid var(--line);
  color:#d5e3f5;
  font-size:.92rem;
  letter-spacing:.2px;
}
.top-ribbon .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
  padding:.6rem 0;
}
.ribbon-note{
  display:flex;
  align-items:center;
  gap:.65rem;
  flex-wrap:wrap;
}
.ribbon-badge{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.2rem .62rem;
  border-radius:999px;
  border:1px solid rgba(56,230,209,.22);
  background:rgba(56,230,209,.08);
  color:#baf8ef;
  font-weight:600;
  font-size:.78rem;
}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  backdrop-filter:blur(18px);
  background:rgba(10,16,32,.7);
  border-bottom:1px solid rgba(154,179,206,.14);
}
.nav-wrap{
  width:min(var(--max), calc(100% - 2rem));
  margin-inline:auto;
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:.85rem;
  min-width:0;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  flex:0 0 auto;
  background:
    linear-gradient(135deg, rgba(56,230,209,.26), rgba(45,200,255,.20)),
    rgba(255,255,255,.03);
  border:1px solid rgba(131,227,214,.28);
  box-shadow:0 0 0 1px rgba(56,230,209,.08) inset, 0 10px 20px rgba(0,0,0,.16);
  color:#d7fff8;
  font-weight:800;
  letter-spacing:.5px;
}
.brand-text{
  display:flex;
  flex-direction:column;
  min-width:0;
}
.brand-title{
  font-size:1rem;
  font-weight:800;
  line-height:1.15;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.brand-sub{
  font-size:.78rem;
  color:var(--muted);
  margin-top:.12rem;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:.3rem;
  flex-wrap:wrap;
  justify-content:center;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:.55rem .95rem;
  border-radius:999px;
  color:#d8e5f3;
  font-size:.95rem;
  letter-spacing:.2px;
  border:1px solid transparent;
}
.main-nav a:hover{
  color:#fff;
  background:rgba(255,255,255,.04);
  border-color:rgba(154,179,206,.12);
  box-shadow:0 0 0 1px rgba(56,230,209,.05) inset;
  transform:translateY(-1px);
}
.main-nav a.active,
.main-nav a[aria-current="page"]{
  color:#f6fffd;
  background:linear-gradient(135deg, rgba(56,230,209,.16), rgba(45,200,255,.10));
  border-color:rgba(56,230,209,.22);
  box-shadow:0 10px 20px rgba(0,0,0,.16), 0 0 0 1px rgba(56,230,209,.08) inset;
}
.main-nav a.active::after,
.main-nav a[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:18%;
  right:18%;
  bottom:7px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, transparent, var(--accent), transparent);
  box-shadow:0 0 10px rgba(56,230,209,.45);
}

.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:42px;
  padding:.65rem 1rem;
  border-radius:999px;
  background:linear-gradient(135deg, rgba(56,230,209,.95), rgba(45,200,255,.88));
  color:#06111c;
  font-weight:800;
  box-shadow:0 12px 28px rgba(56,230,209,.16), 0 0 0 1px rgba(255,255,255,.12) inset;
}
.nav-cta:hover{
  transform:translateY(-1px);
  box-shadow:0 16px 32px rgba(56,230,209,.22), 0 0 0 1px rgba(255,255,255,.16) inset;
  filter:brightness(1.05);
  color:#041019;
}
.nav-cta:active{
  transform:translateY(0);
}

.site-main{
  padding:1.2rem 0 3rem;
  position:relative;
}

.breadcrumbs{
  display:flex;
  align-items:center;
  gap:.5rem;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:.92rem;
  margin-bottom:1rem;
}
.breadcrumbs a{
  color:#dbe9f8;
}
.breadcrumbs .sep{
  color:#6d7f95;
}

.hero{
  padding:1.3rem 0 1rem;
}
.hero-grid{
  align-items:stretch;
}
.hero-copy{
  padding:1rem 0;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.35rem .75rem;
  border-radius:999px;
  border:1px solid rgba(56,230,209,.22);
  background:rgba(56,230,209,.08);
  color:#bffaf1;
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.2px;
}
.hero h1{
  margin:.95rem 0 .85rem;
  font-size:clamp(2.15rem, 4.6vw, 3.7rem);
  line-height:1.08;
  letter-spacing:-.03em;
  font-weight:900;
}
.hero-lead{
  margin:0;
  color:#d8e5f3;
  font-size:clamp(1rem, 1.6vw, 1.1rem);
  line-height:1.85;
  max-width:42rem;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:.75rem;
  flex-wrap:wrap;
  margin-top:1.35rem;
}
.btn-solid,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  min-height:48px;
  padding:.78rem 1.2rem;
  border-radius:999px;
  font-weight:800;
  letter-spacing:.2px;
  transition:all .24s ease;
}
.btn-solid{
  background:linear-gradient(135deg, rgba(56,230,209,1), rgba(45,200,255,.92));
  color:#07111c;
  box-shadow:0 14px 30px rgba(56,230,209,.18), 0 0 0 1px rgba(255,255,255,.14) inset;
}
.btn-solid:hover{
  color:#041019;
  transform:translateY(-2px);
  box-shadow:0 18px 36px rgba(56,230,209,.24), 0 0 0 1px rgba(255,255,255,.18) inset;
}
.btn-ghost{
  color:#e6f0fb;
  border:1px solid rgba(154,179,206,.22);
  background:rgba(255,255,255,.03);
}
.btn-ghost:hover{
  border-color:rgba(56,230,209,.34);
  background:rgba(56,230,209,.08);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 22px rgba(0,0,0,.16);
}

.hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:.55rem;
  margin-top:1.3rem;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  min-height:34px;
  padding:.45rem .8rem;
  border-radius:999px;
  border:1px solid rgba(154,179,206,.15);
  background:rgba(255,255,255,.035);
  color:#d8e5f3;
  font-size:.88rem;
}
.tag-chip strong{
  color:#f5fffd;
}
.tag-chip.accent{
  border-color:rgba(56,230,209,.24);
  background:rgba(56,230,209,.08);
  color:#cffaf4;
}

.glass-card,
.feature-card,
.stat-card,
.compare-card,
.step-card,
.form-card,
.faq-card,
.info-card{
  position:relative;
  background:linear-gradient(180deg, rgba(18,28,47,.9), rgba(12,18,30,.82));
  border:1px solid rgba(154,179,206,.16);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.glass-card::before,
.feature-card::before,
.stat-card::before,
.compare-card::before,
.step-card::before,
.form-card::before,
.faq-card::before,
.info-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(255,255,255,.06), transparent 28%, transparent 70%, rgba(56,230,209,.05));
  pointer-events:none;
}
.glass-inner,
.card-inner{
  position:relative;
  padding:var(--space-lg);
}
.panel-title{
  margin:0 0 .65rem;
  font-size:1.25rem;
  line-height:1.35;
  font-weight:800;
}
.panel-desc{
  margin:0;
  color:var(--muted);
  line-height:1.8;
}
.section-block{
  padding:1.1rem 0 1.4rem;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:1rem;
  margin-bottom:1rem;
}
.section-heading{
  margin:0;
  font-size:clamp(1.35rem, 2.6vw, 2rem);
  line-height:1.2;
  font-weight:900;
}
.section-sub{
  margin:.35rem 0 0;
  color:var(--muted);
  line-height:1.8;
  max-width:50rem;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.28rem .7rem;
  border-radius:999px;
  border:1px solid rgba(56,230,209,.2);
  background:rgba(56,230,209,.07);
  color:#bffaf1;
  font-size:.78rem;
  font-weight:700;
  margin-bottom:.7rem;
}

.metric-strip{
  margin-top:1rem;
}
.stat-card{
  height:100%;
  padding:1.2rem 1.2rem 1rem;
}
.stat-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:1rem;
}
.stat-num{
  font-size:clamp(1.6rem, 3vw, 2.6rem);
  line-height:1;
  font-weight:900;
  letter-spacing:-.04em;
  color:#f7fffe;
}
.stat-label{
  margin-top:.35rem;
  color:#dbe7f4;
  font-weight:700;
}
.stat-note{
  margin:.55rem 0 0;
  color:var(--muted);
  line-height:1.75;
  font-size:.94rem;
}
.stat-icon{
  width:42px;
  height:42px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:rgba(56,230,209,.08);
  border:1px solid rgba(56,230,209,.18);
  color:#aef8ef;
  box-shadow:0 0 0 1px rgba(56,230,209,.05) inset;
}

.section-band{
  padding:1.25rem 0;
}
.section-band .band-wrap{
  padding:1.1rem 1.2rem;
  border-radius:calc(var(--radius) + 2px);
  border:1px solid rgba(154,179,206,.14);
  background:linear-gradient(90deg, rgba(18,28,47,.92), rgba(14,22,35,.78));
  box-shadow:var(--shadow-soft);
}
.band-list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:.85rem;
}
.band-item{
  padding:.95rem 1rem;
  border-radius:18px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(154,179,206,.12);
}
.band-item strong{
  display:block;
  font-size:1.02rem;
  color:#f6fffe;
  margin-bottom:.25rem;
}
.band-item span{
  color:var(--muted);
  line-height:1.65;
  font-size:.92rem;
}

.feature-grid .cell{
  margin-bottom:1rem;
}
.feature-card{
  height:100%;
  transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.feature-card:hover{
  transform:translateY(-3px);
  border-color:rgba(56,230,209,.24);
  box-shadow:0 18px 38px rgba(0,0,0,.34), 0 0 0 1px rgba(56,230,209,.08) inset;
}
.feature-card--large .card-inner{
  min-height:100%;
}
.feature-chip{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.28rem .62rem;
  border-radius:999px;
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.22px;
  color:#dffaf6;
  background:rgba(56,230,209,.08);
  border:1px solid rgba(56,230,209,.18);
  margin-bottom:.75rem;
}
.feature-title{
  margin:0 0 .55rem;
  font-size:1.18rem;
  line-height:1.45;
  font-weight:850;
}
.feature-text{
  margin:0;
  color:var(--muted);
  line-height:1.78;
}
.list-checked{
  margin:.95rem 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:.55rem;
}
.list-checked li{
  display:flex;
  gap:.55rem;
  color:#dfeaf7;
  line-height:1.72;
}
.list-checked i{
  color:var(--accent);
  margin-top:.2rem;
}
.feature-link{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  margin-top:1rem;
  color:#aef8ef;
  font-weight:700;
}
.feature-link:hover{
  color:#fff;
  transform:translateX(2px);
}

.compare-wrap{
  display:grid;
  grid-template-columns:1fr 120px 1fr;
  gap:1rem;
  align-items:stretch;
}
.compare-card{
  height:100%;
}
.compare-card .card-inner{
  height:100%;
}
.compare-label{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.3rem .7rem;
  border-radius:999px;
  font-size:.78rem;
  font-weight:800;
  margin-bottom:.8rem;
}
.compare-label.bad{
  color:#ffe8c5;
  border:1px solid rgba(242,198,109,.22);
  background:rgba(242,198,109,.08);
}
.compare-label.good{
  color:#cffff4;
  border:1px solid rgba(56,230,209,.22);
  background:rgba(56,230,209,.08);
}
.compare-list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:.6rem;
}
.compare-list li{
  display:flex;
  gap:.55rem;
  line-height:1.7;
  color:#dce8f6;
}
.compare-list i{
  margin-top:.22rem;
}
.compare-middle{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:1rem 0;
}
.compare-arrow{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:calc(var(--radius) + 2px);
  background:linear-gradient(180deg, rgba(56,230,209,.10), rgba(45,200,255,.06));
  border:1px solid rgba(56,230,209,.16);
  color:#cdfbf5;
  text-align:center;
  padding:1rem;
  font-weight:900;
  line-height:1.55;
}
.compare-arrow .big{
  display:block;
  font-size:1.55rem;
  margin-bottom:.2rem;
}
.compare-arrow .small{
  color:var(--muted);
  font-size:.88rem;
  font-weight:700;
}

.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1rem;
}
.step-card{
  padding:1.2rem;
  height:100%;
}
.step-index{
  display:inline-grid;
  place-items:center;
  width:40px;
  height:40px;
  border-radius:14px;
  background:rgba(56,230,209,.1);
  border:1px solid rgba(56,230,209,.18);
  color:#bffaf1;
  font-weight:900;
  margin-bottom:.85rem;
}
.step-title{
  margin:0 0 .5rem;
  font-size:1.05rem;
  line-height:1.45;
  font-weight:800;
}
.step-text{
  margin:0;
  color:var(--muted);
  line-height:1.75;
}

.faq-wrap{
  margin-top:.5rem;
}
.accordion{
  border:none;
  background:transparent;
}
.accordion-item{
  margin-bottom:.8rem;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(154,179,206,.15);
  background:rgba(255,255,255,.025);
  box-shadow:var(--shadow-soft);
}
.accordion-title{
  position:relative;
  color:#f2f8ff;
  font-weight:800;
  font-size:1rem;
  padding:1rem 1.1rem;
  border:none;
  background:transparent;
}
.accordion-title:hover{
  background:rgba(255,255,255,.03);
}
.accordion-title::before{
  right:1rem;
  left:auto;
  margin-top:0;
  border-color:var(--accent) transparent transparent;
}
.accordion-content{
  border:none;
  color:var(--muted);
  line-height:1.8;
  padding:0 1.1rem 1rem;
}

.form-card .card-inner{
  padding:1.2rem;
}
.form-layout{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:1rem;
  align-items:stretch;
}
.form-copy{
  padding:1rem 0;
}
.form-copy h2{
  margin:0 0 .75rem;
  font-size:clamp(1.4rem, 2.5vw, 2rem);
  line-height:1.2;
  font-weight:900;
}
.form-copy p{
  margin:0 0 1rem;
  color:var(--muted);
  line-height:1.8;
}
.contact-points{
  display:grid;
  gap:.75rem;
  margin-top:1rem;
}
.contact-point{
  display:flex;
  gap:.65rem;
  align-items:flex-start;
  padding:.85rem 1rem;
  border-radius:16px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(154,179,206,.12);
}
.contact-point i{
  color:var(--accent);
  margin-top:.2rem;
}
.contact-point strong{
  display:block;
  color:#f4fbff;
  margin-bottom:.1rem;
}
.contact-point span{
  color:var(--muted);
  line-height:1.65;
  font-size:.94rem;
}
.form-panel{
  padding:1.05rem;
  border-radius:20px;
  background:rgba(6,13,24,.42);
  border:1px solid rgba(154,179,206,.12);
}
label{
  color:#e8f2ff;
  font-weight:700;
  margin-bottom:.45rem;
}
input[type="text"],
input[type="tel"],
input[type="email"],
textarea{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(154,179,206,.18);
  background:rgba(255,255,255,.035);
  color:var(--text);
  box-shadow:none;
  padding:.82rem .9rem;
  min-height:48px;
}
textarea{
  min-height:118px;
  resize:vertical;
}
input::placeholder,
textarea::placeholder{
  color:#8194aa;
}
input:focus,
textarea:focus{
  border-color:rgba(56,230,209,.52);
  box-shadow:0 0 0 4px rgba(56,230,209,.12);
  background:rgba(255,255,255,.045);
}
.form-actions{
  display:flex;
  align-items:center;
  gap:.75rem;
  flex-wrap:wrap;
  margin-top:.9rem;
}
.form-note{
  color:var(--muted);
  font-size:.9rem;
  line-height:1.7;
}
.form-result{
  margin-top:.9rem;
  display:none;
  padding:.8rem .95rem;
  border-radius:14px;
  border:1px solid rgba(56,230,209,.22);
  background:rgba(56,230,209,.08);
  color:#d8fff8;
  line-height:1.7;
}
.form-result.is-show{
  display:block;
}

.site-footer{
  margin-top:2rem;
  padding:2.1rem 0 1.2rem;
  background:linear-gradient(180deg, rgba(8,13,24,.4), rgba(6,11,20,.94));
  border-top:1px solid rgba(154,179,206,.14);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.25fr .85fr .9fr;
  gap:1.2rem;
  align-items:start;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:.85rem;
  margin-bottom:.85rem;
}
.footer-title{
  font-size:1.02rem;
  font-weight:900;
  color:#f7fffe;
}
.footer-desc{
  margin:0;
  color:var(--muted);
  line-height:1.8;
  max-width:32rem;
}
.footer-col h3{
  margin:0 0 .75rem;
  font-size:1rem;
  font-weight:850;
  color:#f1f7ff;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.55rem;
}
.footer-links a{
  color:#d7e4f2;
}
.footer-links a:hover{
  color:#fff;
  padding-left:.2rem;
}
.copyright{
  margin-top:1.4rem;
  padding-top:1rem;
  border-top:1px solid rgba(154,179,206,.12);
  color:#8fa2b8;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  flex-wrap:wrap;
  font-size:.88rem;
  line-height:1.6;
}

.mobile-tabbar{
  display:none;
}

@media print{
  .site-header,.site-footer,.mobile-tabbar,.nav-cta,.hero-actions,.form-card,.top-ribbon{display:none !important}
  body{background:#fff;color:#000}
  .glass-card,.feature-card,.stat-card,.compare-card,.step-card,.form-card,.faq-card,.info-card{box-shadow:none}
}

@media (max-width: 1024px){
  .band-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-wrap{grid-template-columns:1fr}
  .compare-middle{min-height:92px}
  .form-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width: 767px){
  .top-ribbon .container{
    padding:.55rem 0;
    align-items:flex-start;
    flex-direction:column;
  }
  .nav-wrap{
    min-height:70px;
    gap:.7rem;
  }
  .main-nav{
    display:none;
  }
  .nav-cta{
    padding:.62rem .82rem;
    font-size:.92rem;
  }
  .hero{
    padding-top:.8rem;
  }
  .hero h1{
    max-width:100%;
  }
  .hero-actions{
    gap:.6rem;
  }
  .btn-solid,.btn-ghost{
    width:100%;
  }
  .band-list{
    grid-template-columns:1fr;
  }
  .timeline{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
  .copyright{
    flex-direction:column;
    align-items:flex-start;
  }
  .mobile-tabbar{
    display:grid;
    position:fixed;
    left:.7rem;
    right:.7rem;
    bottom:.7rem;
    z-index:80;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:.45rem;
    padding:.5rem;
    border-radius:22px;
    background:rgba(8,14,24,.76);
    border:1px solid rgba(154,179,206,.16);
    backdrop-filter:blur(18px);
    box-shadow:0 18px 40px rgba(0,0,0,.34);
  }
  .mobile-tabbar a{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:.25rem;
    min-height:54px;
    padding:.55rem .25rem;
    border-radius:16px;
    color:#c7d7ea;
    font-size:.75rem;
    font-weight:700;
    text-align:center;
  }
  .mobile-tabbar a i{
    font-size:1.05rem;
    color:#9fb3c8;
  }
  .mobile-tabbar a.active,
  .mobile-tabbar a[aria-current="page"]{
    background:linear-gradient(180deg, rgba(56,230,209,.18), rgba(45,200,255,.08));
    color:#f8fffe;
    box-shadow:0 0 0 1px rgba(56,230,209,.14) inset;
  }
  .mobile-tabbar a.active i,
  .mobile-tabbar a[aria-current="page"] i{
    color:#bffaf1;
  }
  body{
    padding-bottom:92px;
  }
}

@media (max-width: 520px){
  .container{
    width:min(var(--max), calc(100% - 1.2rem));
  }
  .nav-wrap{
    width:min(var(--max), calc(100% - 1.2rem));
  }
  .brand-title{
    font-size:.95rem;
  }
  .brand-sub{
    font-size:.72rem;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .hero-pills{
    gap:.45rem;
  }
  .tag-chip{
    width:100%;
    justify-content:flex-start;
  }
  .glass-inner,
  .card-inner{
    padding:1rem;
  }
  .accordion-title{
    padding:.95rem .95rem;
    font-size:.96rem;
  }
}

/* roulang page: category3 */
:root{
      --bg:#071116;
      --bg-deep:#04090d;
      --panel:#0d1a20;
      --panel-soft:rgba(16,32,39,.74);
      --glass:rgba(255,255,255,.065);
      --glass-strong:rgba(255,255,255,.105);
      --line:rgba(176,216,218,.18);
      --line-strong:rgba(76,238,207,.42);
      --text:#edf7f5;
      --muted:#9fb2b0;
      --muted-2:#768b89;
      --cyan:#47f0cf;
      --cyan-2:#1fb7c8;
      --amber:#f2c76b;
      --silver:#d4dfde;
      --danger:#ff7f6e;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --shadow:0 22px 70px rgba(0,0,0,.36);
      --shadow-soft:0 12px 34px rgba(0,0,0,.24);
      --container:1180px;
      --ease:all .26s ease;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 12%, rgba(71,240,207,.13), transparent 30%),
        radial-gradient(circle at 86% 8%, rgba(242,199,107,.08), transparent 28%),
        linear-gradient(135deg, #04090d 0%, #071116 42%, #0a171d 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      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:46px 46px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.72), transparent 78%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.36;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(/%23n)' opacity='.22'/%3E%3C/svg%3E");
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font-family:inherit}
    input,textarea{
      width:100%;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      color:var(--text);
      border-radius:15px;
      padding:14px 15px;
      outline:none;
      transition:var(--ease);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    input::placeholder,textarea::placeholder{color:rgba(237,247,245,.48)}
    input:focus,textarea:focus{
      border-color:var(--cyan);
      background:rgba(71,240,207,.08);
      box-shadow:0 0 0 4px rgba(71,240,207,.12);
    }
    textarea{min-height:116px;resize:vertical}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      padding:12px 0;
      background:rgba(4,9,13,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(176,216,218,.12);
      box-shadow:0 14px 38px rgba(0,0,0,.24);
    }
    .site-header:before{
      content:"国产场景适配入口｜围绕精品、无人、国产、在线，提供稳定清晰的企业服务指引";
      display:block;
      max-width:var(--container);
      margin:0 auto 10px;
      padding:0 16px;
      font-size:12px;
      color:var(--muted);
      letter-spacing:.02em;
    }
    .nav-wrap{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand,.footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      font-weight:900;
      color:#04110f;
      background:
        linear-gradient(135deg, var(--cyan), #b8fff1 54%, var(--amber));
      box-shadow:0 0 26px rgba(71,240,207,.28), inset 0 0 0 1px rgba(255,255,255,.55);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;min-width:0}
    .brand-title{
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--text);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:340px;
    }
    .brand-sub{
      font-size:12px;
      color:var(--muted);
      margin-top:2px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:4px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.045);
    }
    .main-nav a{
      position:relative;
      padding:9px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
    }
    .main-nav a:hover{
      color:var(--text);
      background:rgba(71,240,207,.08);
    }
    .main-nav a.active{
      color:#05110f;
      background:linear-gradient(135deg, var(--cyan), #aaf8eb);
      box-shadow:0 0 20px rgba(71,240,207,.22);
      font-weight:700;
    }
    .nav-cta,.btn-primary,.btn-secondary,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:999px;
      font-weight:800;
      cursor:pointer;
      transition:var(--ease);
      border:1px solid transparent;
      line-height:1.2;
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:#03110f;
      background:linear-gradient(135deg, var(--cyan), #8effe8 52%, #d4fff7);
      padding:12px 18px;
      box-shadow:0 0 28px rgba(71,240,207,.22);
    }
    .nav-cta:hover,.btn-primary:hover{
      transform:translateY(-2px);
      color:#03110f;
      box-shadow:0 14px 38px rgba(71,240,207,.28);
      filter:saturate(1.08);
    }
    .btn-secondary{
      padding:12px 18px;
      color:var(--text);
      border-color:rgba(71,240,207,.36);
      background:rgba(71,240,207,.055);
    }
    .btn-secondary:hover{
      color:var(--cyan);
      background:rgba(71,240,207,.11);
      border-color:var(--cyan);
      transform:translateY(-2px);
    }
    .btn-ghost{
      padding:9px 0;
      color:var(--cyan);
      font-size:14px;
    }
    .btn-ghost:hover{gap:13px;color:#b8fff1}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(71,240,207,.42);
      outline-offset:3px;
    }
    .section{
      padding:78px 0;
      position:relative;
    }
    .section-sm{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border:1px solid rgba(71,240,207,.28);
      border-radius:999px;
      color:var(--cyan);
      background:rgba(71,240,207,.07);
      font-size:13px;
      font-weight:800;
    }
    .section-title{
      margin:16px 0 12px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.04em;
      color:var(--text);
    }
    .section-desc{
      max-width:760px;
      color:var(--muted);
      font-size:16px;
      margin:0;
    }
    .hero{
      padding:78px 0 48px;
      overflow:hidden;
    }
    .hero-card{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.032)),
        radial-gradient(circle at 80% 0%, rgba(71,240,207,.16), transparent 36%);
      box-shadow:var(--shadow);
      padding:34px;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-120px;
      top:-130px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(71,240,207,.18), transparent 62%);
      filter:blur(6px);
    }
    .hero h1{
      position:relative;
      margin:18px 0 18px;
      font-size:clamp(38px,6vw,60px);
      line-height:1.08;
      letter-spacing:-.055em;
      max-width:760px;
    }
    .hero h1 span{
      color:var(--cyan);
      text-shadow:0 0 22px rgba(71,240,207,.24);
    }
    .hero-copy{
      position:relative;
      color:var(--silver);
      max-width:720px;
      font-size:17px;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-side{
      height:100%;
      display:grid;
      gap:14px;
    }
    .signal-panel{
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(3,11,14,.55);
      padding:18px;
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .signal-panel:after{
      content:"";
      position:absolute;
      inset:auto 16px 16px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:rgba(71,240,207,.11);
      filter:blur(22px);
    }
    .signal-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:18px;
      color:var(--muted);
      font-size:13px;
    }
    .pulse{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 8px rgba(71,240,207,.11),0 0 22px rgba(71,240,207,.75);
    }
    .metric-line{
      display:grid;
      grid-template-columns:88px 1fr 56px;
      align-items:center;
      gap:12px;
      margin:14px 0;
      color:var(--muted);
      font-size:13px;
    }
    .bar{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--cyan-2),var(--cyan));
      box-shadow:0 0 18px rgba(71,240,207,.35);
    }
    .mini-stack{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .mini-card,.glass-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--panel-soft);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(14px);
      transition:var(--ease);
    }
    .mini-card{
      padding:17px;
    }
    .mini-card strong{
      display:block;
      color:var(--text);
      font-size:24px;
      line-height:1;
      margin-bottom:8px;
      font-variant-numeric:tabular-nums;
    }
    .mini-card span{color:var(--muted);font-size:13px}
    .glass-card:hover,.mini-card:hover{
      transform:translateY(-4px);
      border-color:rgba(71,240,207,.38);
      box-shadow:0 18px 48px rgba(0,0,0,.32),0 0 22px rgba(71,240,207,.08);
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(176,216,218,.16);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      font-size:13px;
    }
    .tag.hot{
      color:#151006;
      background:linear-gradient(135deg,var(--amber),#fff0ba);
      border-color:transparent;
      font-weight:800;
    }
    .knowledge-grid{
      margin-top:28px;
    }
    .knowledge-card{
      padding:24px;
      min-height:100%;
      position:relative;
      overflow:hidden;
    }
    .knowledge-card.feature{
      min-height:330px;
      background:
        linear-gradient(135deg, rgba(71,240,207,.12), rgba(255,255,255,.045)),
        rgba(255,255,255,.04);
    }
    .knowledge-card.compact{
      min-height:180px;
    }
    .knowledge-card h3{
      font-size:21px;
      line-height:1.32;
      margin:12px 0 10px;
      letter-spacing:-.02em;
    }
    .knowledge-card p{
      color:var(--muted);
      margin:0 0 16px;
    }
    .icon-badge{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:var(--cyan);
      background:rgba(71,240,207,.09);
      border:1px solid rgba(71,240,207,.24);
    }
    .list-clean{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:10px;
    }
    .list-clean li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--silver);
      font-size:14px;
    }
    .list-clean i{
      color:var(--cyan);
      margin-top:5px;
      flex:0 0 auto;
    }
    .reading-panel{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      box-shadow:var(--shadow);
      padding:10px;
      overflow:hidden;
    }
    .reading-item{
      display:grid;
      grid-template-columns:56px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      transition:var(--ease);
      border:1px solid transparent;
    }
    .reading-item + .reading-item{margin-top:6px}
    .reading-item:hover{
      background:rgba(71,240,207,.07);
      border-color:rgba(71,240,207,.22);
      transform:translateX(4px);
    }
    .read-num{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#03110f;
      background:linear-gradient(135deg,var(--cyan),#b9fff2);
      font-weight:900;
      font-variant-numeric:tabular-nums;
    }
    .reading-item h3{
      margin:0 0 4px;
      font-size:18px;
    }
    .reading-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .reading-item .arrow{
      color:var(--cyan);
      opacity:.8;
    }
    .fit-board{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
      margin-top:28px;
    }
    .fit-card{
      padding:26px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
    }
    .fit-card h3{font-size:24px;margin:0 0 12px}
    .fit-card p{color:var(--muted);margin:0 0 16px}
    .check-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:18px;
    }
    .check{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(176,216,218,.13);
      color:var(--silver);
      font-size:14px;
    }
    .check i{color:var(--cyan);margin-right:7px}
    .timeline{
      position:relative;
      display:grid;
      gap:14px;
    }
    .timeline-step{
      display:grid;
      grid-template-columns:38px 1fr;
      gap:12px;
      padding:16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(3,11,14,.42);
    }
    .step-dot{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:rgba(71,240,207,.1);
      border:1px solid rgba(71,240,207,.28);
      color:var(--cyan);
      font-weight:900;
    }
    .timeline-step h4{margin:0 0 4px;font-size:16px}
    .timeline-step p{margin:0;color:var(--muted);font-size:14px}
    .summary-strip{
      margin-top:30px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .summary-cell{
      padding:18px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .summary-cell strong{
      display:block;
      color:var(--cyan);
      font-size:26px;
      line-height:1.05;
      margin-bottom:8px;
      font-variant-numeric:tabular-nums;
    }
    .summary-cell span{color:var(--muted);font-size:13px}
    .question-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:28px;
    }
    .question-card{
      padding:22px;
      border-radius:22px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      min-height:100%;
    }
    .question-card h3{
      font-size:18px;
      margin:0 0 10px;
    }
    .question-card p{
      color:var(--muted);
      margin:0;
      font-size:14px;
    }
    .accordion{
      background:transparent;
      margin-top:28px;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      background:rgba(255,255,255,.045);
    }
    .accordion-title{
      border:0!important;
      background:transparent!important;
      color:var(--text)!important;
      padding:18px 48px 18px 20px!important;
      font-size:16px;
      font-weight:800;
    }
    .accordion-title:before{
      color:var(--cyan);
      right:20px!important;
      margin-top:-10px!important;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(71,240,207,.07)!important;
    }
    .accordion-content{
      border:0!important;
      background:rgba(0,0,0,.12)!important;
      color:var(--muted)!important;
      padding:0 20px 20px!important;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(71,240,207,.24);
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 18% 0%, rgba(71,240,207,.18), transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow);
      padding:34px;
    }
    .contact-card{
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      background:rgba(3,11,14,.52);
    }
    .form-note{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:14px;
      border-radius:16px;
      background:rgba(242,199,107,.08);
      border:1px solid rgba(242,199,107,.22);
      color:#f6dfaa;
      font-size:14px;
      margin-top:14px;
    }
    .field-label{
      color:var(--silver);
      font-size:14px;
      font-weight:800;
      margin-bottom:6px;
    }
    .site-footer{
      margin-top:40px;
      padding:54px 0 88px;
      border-top:1px solid rgba(176,216,218,.14);
      background:
        linear-gradient(180deg, rgba(3,9,12,.38), rgba(3,9,12,.9)),
        radial-gradient(circle at 80% 20%, rgba(71,240,207,.08), transparent 34%);
    }
    .site-footer:before{
      content:"";
      display:block;
      height:1px;
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto 34px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      opacity:.45;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .75fr .85fr;
      gap:34px;
    }
    .footer-title{
      font-weight:900;
      color:var(--text);
    }
    .footer-desc{
      max-width:430px;
      margin:18px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .footer-col h3{
      font-size:16px;
      margin:0 0 14px;
      color:var(--text);
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--cyan);
      padding-left:4px;
    }
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(176,216,218,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:var(--muted-2);
      font-size:13px;
    }
    .mobile-tabs{
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:95;
      display:none;
      grid-template-columns:repeat(4,1fr);
      gap:4px;
      padding:8px;
      border:1px solid rgba(176,216,218,.18);
      border-radius:24px;
      background:rgba(4,9,13,.78);
      backdrop-filter:blur(18px);
      box-shadow:0 16px 44px rgba(0,0,0,.36);
    }
    .mobile-tabs a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      color:var(--muted);
      font-size:11px;
      border-radius:18px;
      padding:8px 4px;
      line-height:1.2;
    }
    .mobile-tabs a i{font-size:15px}
    .mobile-tabs a.active{
      color:#04110f;
      background:linear-gradient(135deg,var(--cyan),#a9fff0);
      font-weight:900;
    }
    @media (max-width:1024px){
      .nav-wrap{gap:12px}
      .main-nav a{padding:8px 10px;font-size:13px}
      .brand-title{max-width:250px}
      .fit-board{grid-template-columns:1fr}
      .summary-strip{grid-template-columns:repeat(2,1fr)}
      .question-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:820px){
      .site-header:before{display:none}
      .site-header{position:relative}
      .nav-wrap{align-items:flex-start}
      .main-nav{
        display:none;
      }
      .nav-cta{display:none}
      .hero{padding-top:38px}
      .hero-card{padding:24px}
      .section{padding:56px 0}
      .reading-item{
        grid-template-columns:46px 1fr;
      }
      .reading-item .arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .mobile-tabs{display:grid}
      body{padding-bottom:86px}
    }
    @media (max-width:520px){
      .container,.nav-wrap{width:min(calc(100% - 22px), var(--container))}
      .brand-mark{width:38px;height:38px;flex-basis:38px;border-radius:13px}
      .brand-title{max-width:220px;font-size:14px}
      .brand-sub{font-size:11px}
      .hero-card,.cta-panel{padding:20px;border-radius:22px}
      .hero-actions{flex-direction:column}
      .btn-primary,.btn-secondary{width:100%;padding:13px 16px}
      .mini-stack{grid-template-columns:1fr}
      .check-grid,.summary-strip,.question-grid{grid-template-columns:1fr}
      .reading-item{
        padding:14px;
        gap:12px;
      }
      .read-num{width:42px;height:42px;border-radius:14px}
      .metric-line{grid-template-columns:72px 1fr 44px;font-size:12px}
      .section-title{letter-spacing:-.03em}
    }