:root{
    --ink:#1C1B24;
    --ink-soft:#45425A;
    --muted:#6E6A7C;
    --line:#E7E1D6;
    --line-soft:#EFEAE1;
    --paper:#FFFFFF;
    --bg:#FDFBF6;
    --brand:#5B4BFF;
    --brand-soft:#EEEBFF;
    --brand-deep:#3F2FE0;
    --coral:#FF6B5B;
    --amber:#FFC93C;
    --mint:#2ED9A5;
    --sky:#3DB6FF;
    --radius:20px;
  }

  *{box-sizing:border-box;}

  html{
    scroll-behavior:smooth;
    scroll-padding-top:88px;
    -webkit-text-size-adjust:100%;
  }

  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    color:var(--ink);
    background-color:var(--bg);
    background-image:
      radial-gradient(900px 520px at 6% -6%, rgba(91,75,255,.12), transparent 62%),
      radial-gradient(820px 500px at 96% 2%, rgba(255,107,91,.12), transparent 62%),
      radial-gradient(760px 520px at 50% 46%, rgba(46,217,165,.08), transparent 62%),
      radial-gradient(700px 460px at 88% 92%, rgba(61,182,255,.10), transparent 65%);
    background-repeat:no-repeat;
    background-attachment:fixed;
    line-height:1.7;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  ::selection{background:rgba(91,75,255,.22);color:var(--ink);}

  h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.32;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  img{max-width:100%;}
  a{color:var(--brand);}

  .container{
    width:100%;
    max-width:1180px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(253,251,246,.9);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px dashed rgba(28,27,36,.14);
  }

  .nav-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:74px;
    position:relative;
  }

  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    color:var(--ink);
    font-weight:800;
    font-size:18px;
    flex:none;
    letter-spacing:.01em;
  }

  .ai-page-logo{
    max-width:100%;
    height:auto;
    max-height:36px;
    width:auto;
    display:block;
  }

  .brand-name{white-space:nowrap;}

  .nav-links{
    display:flex;
    align-items:center;
    gap:0;
    margin:0;
    padding:0;
    list-style:none;
  }

  .nav-links a{
    display:block;
    padding:8px 9px;
    font-size:14px;
    font-weight:600;
    color:var(--ink-soft);
    text-decoration:none;
    border-radius:9px;
    white-space:nowrap;
    transition:color .2s ease,background-color .2s ease;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible{
    color:var(--brand-deep);
    background:var(--brand-soft);
  }

  .nav-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:none;
  }

  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border:1.5px solid var(--line);
    border-radius:12px;
    background:#fff;
    cursor:pointer;
    padding:0;
  }

  .nav-toggle span{
    position:relative;
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:background-color .2s ease;
  }

  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transition:transform .25s ease;
  }

  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-toggle.open span{background:transparent;}
  .nav-toggle.open span::before{transform:translateY(6px) rotate(45deg);}
  .nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg);}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    text-decoration:none;
    border:1.5px solid transparent;
    cursor:pointer;
    line-height:1.4;
    transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }

  .btn-primary{
    background:var(--brand);
    color:#fff;
    box-shadow:0 12px 24px -14px rgba(91,75,255,.95);
  }

  .btn-primary:hover{
    background:var(--brand-deep);
    color:#fff;
    transform:translateY(-2px);
    box-shadow:0 18px 30px -16px rgba(91,75,255,.95);
  }

  .btn-ghost{
    background:#fff;
    color:var(--ink);
    border-color:#DDD6C9;
  }

  .btn-ghost:hover{
    color:var(--brand-deep);
    border-color:var(--brand);
    transform:translateY(-2px);
  }

  .btn-dark{
    background:var(--ink);
    color:#fff;
  }

  .btn-dark:hover{
    background:#000;
    color:#fff;
    transform:translateY(-2px);
  }

  .btn-sm{
    padding:9px 18px;
    font-size:14px;
  }

  /* ---------- section basics ---------- */
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}

  .section-head{
    max-width:760px;
    margin:0 auto 40px;
    text-align:center;
  }

  .eyebrow{
    display:inline-block;
    font-size:12.5px;
    font-weight:700;
    letter-spacing:.14em;
    color:var(--brand-deep);
    background:var(--brand-soft);
    border:1px dashed #C6BDFF;
    padding:6px 15px;
    border-radius:999px;
    margin-bottom:14px;
  }

  .section-head h2{font-size:clamp(23px,3.2vw,32px);}

  .section-sub{
    margin-top:14px;
    font-size:15.5px;
    color:var(--muted);
    line-height:1.75;
  }

  .hl{
    background:linear-gradient(transparent 64%, #FFE08A 64%);
    padding:0 2px;
    border-radius:2px;
  }

  .hl-mint{background:linear-gradient(transparent 64%, #B6F5E0 64%);}

  /* ---------- hero ---------- */
  .hero{padding:52px 0 24px;}

  .hero-inner{
    display:grid;
    grid-template-columns:1.08fr .92fr;
    gap:44px;
    align-items:center;
  }

  .hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    color:var(--brand-deep);
    background:#fff;
    border:1.5px dashed #C6BDFF;
    padding:7px 16px;
    border-radius:999px;
    box-shadow:0 2px 0 #F0ECFB;
  }

  .hero-badge::before{
    content:"";
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--mint);
    box-shadow:0 0 0 4px rgba(46,217,165,.18);
  }

  .hero h1{
    font-size:clamp(28px,4.1vw,44px);
    margin:20px 0 0;
    letter-spacing:-.02em;
    line-height:1.24;
  }

  .hero-sub{
    margin-top:18px;
    font-size:16px;
    color:var(--ink-soft);
    line-height:1.8;
    max-width:560px;
  }

  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:28px;
    align-items:center;
  }

  .hero-points{
    display:flex;
    flex-wrap:wrap;
    gap:10px 22px;
    margin-top:26px;
  }

  .hero-points li{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--ink-soft);
    font-weight:600;
  }

  .hero-points li::before{
    content:"";
    width:16px;
    height:16px;
    border-radius:6px;
    background:var(--brand-soft);
    border:1.5px solid #C6BDFF;
    flex:none;
    transform:rotate(12deg);
  }

  .hero-board{
    position:relative;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:26px;
    padding:20px;
    box-shadow:0 2px 0 #EFEAE1, 0 46px 70px -50px rgba(28,27,36,.7);
    animation:boardIn .8s ease both;
  }

  .board-head{
    display:flex;
    align-items:center;
    gap:8px;
    padding-bottom:14px;
    border-bottom:1.5px dashed var(--line);
  }

  .board-head .dot{
    width:9px;
    height:9px;
    border-radius:50%;
    background:var(--coral);
    flex:none;
  }

  .board-head .dot:nth-child(2){background:var(--amber);}
  .board-head .dot:nth-child(3){background:var(--mint);}

  .board-title{
    margin-left:6px;
    font-size:13px;
    font-weight:700;
    color:var(--muted);
    letter-spacing:.04em;
  }

  .board-body{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    padding:18px 0 6px;
  }

  .bchip{
    display:inline-flex;
    align-items:center;
    padding:9px 16px;
    border-radius:999px;
    font-size:13.5px;
    font-weight:700;
    color:var(--ink);
    border:1.5px solid transparent;
    animation:floaty 5s ease-in-out infinite;
  }

  .b1{background:#EEEBFF;border-color:#CFC6FF;animation-delay:.1s;}
  .b2{background:#FFEDEA;border-color:#FFC7BF;animation-delay:.7s;}
  .b3{background:#E8FAF3;border-color:#ADEFD8;animation-delay:1.3s;}
  .b4{background:#FFF6DD;border-color:#FBD98A;animation-delay:1.9s;}
  .b5{background:#E9F5FF;border-color:#B7DFFA;animation-delay:2.4s;}
  .b6{background:#F4EEFF;border-color:#D8C9FF;animation-delay:3s;}

  .board-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:14px;
    padding-top:14px;
    border-top:1.5px dashed var(--line);
    font-size:12.5px;
    color:var(--muted);
    font-weight:600;
  }

  .board-stamp{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:#12835F;
    background:#E8FAF3;
    border:1px dashed #8FE3C6;
    padding:4px 12px;
    border-radius:999px;
    font-weight:700;
  }

  @keyframes floaty{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-6px);}
  }

  @keyframes boardIn{
    from{opacity:0;transform:translateY(18px);}
    to{opacity:1;transform:translateY(0);}
  }

  /* ---------- stats ---------- */
  .stats{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:16px;
    margin-top:44px;
  }

  .stat{
    position:relative;
    overflow:hidden;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:18px;
    padding:20px 22px;
    box-shadow:0 2px 0 #F4F0E8;
  }

  .stat::after{
    content:"";
    position:absolute;
    right:-20px;
    top:-20px;
    width:60px;
    height:60px;
    border-radius:50%;
    background:var(--brand-soft);
    opacity:.85;
  }

  .stat:nth-child(2)::after{background:#FFEDEA;}
  .stat:nth-child(3)::after{background:#E8FAF3;}
  .stat:nth-child(4)::after{background:#FFF6DD;}

  .stat strong{
    display:block;
    font-size:26px;
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.25;
    position:relative;
    z-index:1;
  }

  .stat span{
    display:block;
    margin-top:4px;
    font-size:13.5px;
    color:var(--muted);
    position:relative;
    z-index:1;
  }

  /* ---------- grids & cards ---------- */
  .grid{display:grid;gap:18px;}
  .grid-2{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(3,1fr);}
  .grid-4{grid-template-columns:repeat(4,1fr);}

  .card{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:var(--radius);
    padding:24px;
    box-shadow:0 2px 0 #F4F0E8;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }

  .card:hover{
    transform:translateY(-4px);
    border-color:#D8D1C4;
    box-shadow:0 2px 0 #EFEAE1, 0 26px 44px -30px rgba(28,27,36,.45);
  }

  .card h3{
    font-size:16.5px;
    margin-bottom:8px;
    display:flex;
    align-items:center;
    gap:9px;
  }

  .card p{
    font-size:14.3px;
    color:var(--ink-soft);
    line-height:1.72;
  }

  .scene-card h3::before{
    content:"";
    width:11px;
    height:11px;
    border-radius:4px;
    background:var(--brand);
    flex:none;
    transform:rotate(12deg);
  }

  .scene-card:nth-child(3n+2) h3::before{background:var(--coral);}
  .scene-card:nth-child(3n+3) h3::before{background:var(--mint);}
  .scene-card:nth-child(3n+4) h3::before{background:var(--amber);}
  .scene-card:nth-child(3n+5) h3::before{background:var(--sky);}

  /* ---------- about ---------- */
  .about-grid{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:36px;
    align-items:start;
  }

  .about-text p{
    font-size:15.5px;
    color:var(--ink-soft);
    line-height:1.85;
    margin-bottom:16px;
  }

  .about-list{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
  }

  .about-item{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:16px;
    padding:16px 18px;
    box-shadow:0 2px 0 #F4F0E8;
    transition:border-color .25s ease,transform .25s ease;
  }

  .about-item:hover{border-color:#C6BDFF;transform:translateY(-3px);}

  .about-item strong{
    display:block;
    font-size:14.8px;
    margin-bottom:4px;
  }

  .about-item span{
    font-size:13px;
    color:var(--muted);
    line-height:1.6;
    display:block;
  }

  /* ---------- tags ---------- */
  .tag-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    justify-content:center;
    margin-top:26px;
  }

  .tag{
    display:inline-block;
    padding:7px 15px;
    font-size:13.5px;
    font-weight:600;
    color:var(--ink-soft);
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:999px;
    transition:transform .2s ease,border-color .2s ease,color .2s ease,background-color .2s ease;
  }

  .tag:hover{
    transform:translateY(-2px);
    border-color:#C6BDFF;
    color:var(--brand-deep);
    background:var(--brand-soft);
  }

  /* ---------- flow ---------- */
  .flow{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:16px;
  }

  .flow-step{
    position:relative;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:18px;
    padding:22px 20px;
    box-shadow:0 2px 0 #F4F0E8;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }

  .flow-step:hover{
    transform:translateY(-4px);
    border-color:#C6BDFF;
    box-shadow:0 2px 0 #EFEAE1, 0 24px 40px -30px rgba(91,75,255,.7);
  }

  .flow-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    border-radius:11px;
    font-size:14px;
    font-weight:800;
    color:#fff;
    background:var(--brand);
    margin-bottom:14px;
    transform:rotate(-4deg);
  }

  .flow-step:nth-child(2) .flow-num{background:var(--coral);}
  .flow-step:nth-child(3) .flow-num{background:#12997A;}
  .flow-step:nth-child(4) .flow-num{background:#C98C00;}
  .flow-step:nth-child(5) .flow-num{background:#1F82C9;}

  .flow-step h3{font-size:15.5px;margin-bottom:6px;}
  .flow-step p{font-size:13.6px;color:var(--ink-soft);line-height:1.68;}

  /* ---------- industry ---------- */
  .industry-card{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:18px;
    padding:22px;
    box-shadow:0 2px 0 #F4F0E8;
    transition:transform .25s ease,border-color .25s ease;
  }

  .industry-card:hover{transform:translateY(-4px);border-color:#FFC7BF;}

  .industry-card h3{font-size:15.8px;margin-bottom:8px;}
  .industry-card p{font-size:14px;color:var(--ink-soft);line-height:1.72;}

  /* ---------- network ---------- */
  .network-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:14px;
  }

  .network-item{
    text-align:center;
    padding:20px 12px;
    border-radius:16px;
    background:#fff;
    border:1.5px dashed var(--line);
    transition:border-color .25s ease,background-color .25s ease,transform .25s ease;
  }

  .network-item:hover{border-color:#C6BDFF;background:#FCFBFF;transform:translateY(-3px);}

  .network-item strong{display:block;font-size:15px;margin-bottom:4px;}
  .network-item span{font-size:12.6px;color:var(--muted);}

  .network-note{
    margin-top:18px;
    font-size:14px;
    color:var(--muted);
    text-align:center;
  }

  /* ---------- cases ---------- */
  .case-card{
    margin:0;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:20px;
    padding:14px;
    box-shadow:0 2px 0 #F4F0E8;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }

  .case-card:hover{
    transform:translateY(-4px);
    border-color:#C6BDFF;
    box-shadow:0 2px 0 #EFEAE1, 0 26px 44px -32px rgba(28,27,36,.5);
  }

  .case-media{
    aspect-ratio:4/3;
    border-radius:14px;
    overflow:hidden;
    background:#F4F1EA;
    display:flex;
    align-items:center;
    justify-content:center;
  }

  .case-media img{
    width:100%;
    height:100%;
    object-fit:contain;
    display:block;
  }

  .case-card figcaption{padding:14px 6px 4px;}

  .case-card figcaption strong{
    display:block;
    font-size:15px;
    margin-bottom:4px;
  }

  .case-card figcaption span{
    font-size:13px;
    color:var(--muted);
  }

  /* ---------- compare ---------- */
  .score-panel{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:20px;
    align-items:start;
    margin-bottom:24px;
  }

  .score-card{
    background:#fff;
    border:1.5px solid #CFC6FF;
    border-radius:22px;
    padding:26px;
    box-shadow:0 2px 0 #E7E2FB, 0 30px 50px -38px rgba(91,75,255,.85);
  }

  .score-top{
    display:flex;
    align-items:baseline;
    gap:12px;
    flex-wrap:wrap;
  }

  .score-num{
    font-size:44px;
    font-weight:800;
    letter-spacing:-.03em;
    line-height:1;
    color:var(--brand-deep);
  }

  .score-full{
    font-size:15px;
    color:var(--muted);
    font-weight:700;
  }

  .stars{
    margin-top:10px;
    font-size:18px;
    letter-spacing:3px;
    color:#F5A623;
  }

  .score-card p{
    margin-top:12px;
    font-size:14.4px;
    color:var(--ink-soft);
    line-height:1.75;
  }

  .score-tags{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:16px;
  }

  .score-tags span{
    font-size:12.6px;
    font-weight:700;
    color:#12835F;
    background:#E8FAF3;
    border:1px dashed #8FE3C6;
    padding:4px 12px;
    border-radius:999px;
  }

  .table-wrap{
    overflow-x:auto;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:20px;
    box-shadow:0 2px 0 #F4F0E8;
    -webkit-overflow-scrolling:touch;
  }

  .compare-table{
    width:100%;
    min-width:760px;
    border-collapse:collapse;
    font-size:14.2px;
  }

  .compare-table th,
  .compare-table td{
    padding:15px 18px;
    text-align:left;
    border-bottom:1px solid var(--line-soft);
    vertical-align:top;
    line-height:1.65;
  }

  .compare-table thead th{
    background:#FAF8F2;
    font-size:14px;
    font-weight:800;
    color:var(--ink);
    white-space:nowrap;
    border-bottom:1.5px solid var(--line);
  }

  .compare-table thead th:nth-child(2){
    background:var(--brand-soft);
    color:var(--brand-deep);
  }

  .compare-table td:first-child{
    font-weight:700;
    color:var(--ink);
    white-space:nowrap;
  }

  .compare-table td:nth-child(2){
    background:#FBF9FF;
    color:var(--brand-deep);
    font-weight:700;
  }

  .compare-table tbody tr:last-child td{border-bottom:none;}

  .compare-table tbody tr:hover td{background:#FDFCF8;}
  .compare-table tbody tr:hover td:nth-child(2){background:#F5F2FF;}

  /* ---------- token ---------- */
  .token-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
  }

  .token-card{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:20px;
    padding:24px;
    box-shadow:0 2px 0 #F4F0E8;
    transition:transform .25s ease,border-color .25s ease;
  }

  .token-card:hover{transform:translateY(-4px);border-color:#B7DFFA;}

  .token-card h3{font-size:16.5px;margin-bottom:10px;}

  .token-card p{font-size:14.2px;color:var(--ink-soft);line-height:1.75;}

  .token-badge{
    display:inline-block;
    font-size:12.5px;
    font-weight:700;
    color:#1F82C9;
    background:#E9F5FF;
    border:1px dashed #B7DFFA;
    padding:4px 12px;
    border-radius:999px;
    margin-bottom:12px;
  }

  .token-note{
    margin-top:20px;
    padding:16px 20px;
    font-size:13.8px;
    color:var(--muted);
    background:#FAF8F2;
    border:1px dashed var(--line);
    border-radius:14px;
    line-height:1.75;
  }

  /* ---------- form ---------- */
  .match-grid{
    display:grid;
    grid-template-columns:1.25fr .75fr;
    gap:26px;
    align-items:start;
  }

  .form-card{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:22px;
    padding:28px;
    box-shadow:0 2px 0 #F4F0E8;
  }

  .form-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
  }

  .field{
    display:flex;
    flex-direction:column;
    gap:7px;
    font-size:13.8px;
    font-weight:700;
    color:var(--ink-soft);
  }

  .field-full{grid-column:1 / -1;}

  .field input,
  .field select,
  .field textarea{
    width:100%;
    font-family:inherit;
    font-size:14.5px;
    font-weight:500;
    color:var(--ink);
    background:#FBFAF6;
    border:1.5px solid var(--line);
    border-radius:12px;
    padding:12px 14px;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  }

  .field textarea{min-height:120px;resize:vertical;line-height:1.65;}

  .field input::placeholder,
  .field textarea::placeholder{color:#9A95A6;}

  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    border-color:var(--brand);
    background:#fff;
    box-shadow:0 0 0 4px rgba(91,75,255,.12);
  }

  .form-submit{
    margin-top:20px;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:14px;
  }

  .form-tip{font-size:13px;color:var(--muted);}

  .contact-card{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:22px;
    padding:26px;
    box-shadow:0 2px 0 #F4F0E8;
  }

  .contact-card h3{font-size:17px;margin-bottom:14px;}

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

  .contact-list li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
    color:var(--ink-soft);
    line-height:1.65;
    word-break:break-all;
  }

  .contact-list li b{
    flex:none;
    font-size:12.5px;
    font-weight:700;
    color:var(--brand-deep);
    background:var(--brand-soft);
    border-radius:8px;
    padding:2px 9px;
    line-height:1.7;
  }

  .qr-box{
    margin-top:18px;
    padding-top:18px;
    border-top:1.5px dashed var(--line);
    text-align:center;
  }

  .qr-box img{
    width:150px;
    max-width:100%;
    height:auto;
    display:block;
    margin:0 auto 10px;
    border-radius:12px;
    border:1.5px solid var(--line);
  }

  .qr-box span{font-size:13px;color:var(--muted);}

  /* ---------- reviews ---------- */
  .review-card{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:20px;
    padding:24px;
    box-shadow:0 2px 0 #F4F0E8;
    display:flex;
    flex-direction:column;
    gap:14px;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }

  .review-card:hover{
    transform:translateY(-4px);
    border-color:#FFC7BF;
    box-shadow:0 2px 0 #EFEAE1, 0 26px 44px -32px rgba(28,27,36,.45);
  }

  .review-stars{
    font-size:15px;
    letter-spacing:2px;
    color:#F5A623;
  }

  .review-card blockquote{
    margin:0;
    font-size:14.4px;
    color:var(--ink-soft);
    line-height:1.78;
  }

  .review-user{
    display:flex;
    align-items:center;
    gap:11px;
    margin-top:auto;
    padding-top:8px;
  }

  .review-avatar{
    width:38px;
    height:38px;
    flex:none;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    font-size:15px;
    color:var(--brand-deep);
    background:var(--brand-soft);
    transform:rotate(-5deg);
  }

  .review-user strong{display:block;font-size:14px;line-height:1.4;}
  .review-user span{font-size:12.6px;color:var(--muted);}

  /* ---------- articles ---------- */
  .article-list{display:grid;gap:12px;}

  .article-item{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:16px 20px;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:14px;
    text-decoration:none;
    color:var(--ink);
    transition:border-color .2s ease,transform .2s ease,background-color .2s ease;
  }

  .article-item:hover{
    border-color:#C6BDFF;
    background:#FCFBFF;
    transform:translateX(4px);
  }

  .article-item strong{font-size:14.6px;font-weight:700;line-height:1.5;}
  .article-item em{
    font-style:normal;
    font-size:12.6px;
    color:var(--muted);
    flex:none;
  }

  .article-feed{
    margin-top:18px;
    padding:16px 20px;
    background:#FAF8F2;
    border:1px dashed var(--line);
    border-radius:14px;
    font-size:13.6px;
    color:var(--muted);
  }

  /* ---------- faq ---------- */
  .faq-list{max-width:860px;margin:0 auto;}

  .faq-item{
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:16px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }

  .faq-item[open]{
    border-color:#C6BDFF;
    box-shadow:0 20px 34px -30px rgba(91,75,255,.9);
  }

  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:17px 22px;
    font-size:15.2px;
    font-weight:700;
    color:var(--ink);
    cursor:pointer;
    list-style:none;
  }

  .faq-item summary::-webkit-details-marker{display:none;}

  .faq-item summary::after{
    content:"+";
    flex:none;
    font-size:20px;
    font-weight:700;
    line-height:1;
    color:var(--brand);
    transition:transform .2s ease;
  }

  .faq-item[open] summary::after{content:"−";}

  .faq-item p{
    padding:0 22px 19px;
    font-size:14.3px;
    color:var(--ink-soft);
    line-height:1.78;
    animation:fadeIn .26s ease both;
  }

  @keyframes fadeIn{
    from{opacity:0;transform:translateY(-4px);}
    to{opacity:1;transform:translateY(0);}
  }

  /* ---------- join ---------- */
  .join-banner{
    position:relative;
    overflow:hidden;
    border-radius:26px;
    padding:38px;
    background:
      radial-gradient(420px 240px at 88% 12%, rgba(255,201,60,.28), transparent 70%),
      radial-gradient(420px 260px at 6% 90%, rgba(255,107,91,.24), transparent 72%),
      linear-gradient(135deg,#F3F0FF 0%,#FFFBF0 52%,#EAF9F4 100%);
    border:1.5px solid #E4DFF5;
    box-shadow:0 2px 0 #EFEAE1, 0 40px 60px -50px rgba(28,27,36,.7);
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:32px;
    align-items:center;
  }

  .join-banner h2{font-size:clamp(22px,2.8vw,28px);margin-bottom:14px;}
  .join-banner p{font-size:15px;color:var(--ink-soft);line-height:1.8;}

  .join-points{
    display:grid;
    gap:12px;
    margin-top:20px;
  }

  .join-points li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14.4px;
    color:var(--ink-soft);
    line-height:1.7;
  }

  .join-points li::before{
    content:"";
    flex:none;
    width:9px;
    height:9px;
    margin-top:9px;
    border-radius:3px;
    background:var(--brand);
    transform:rotate(14deg);
  }

  .join-side{
    background:rgba(255,255,255,.78);
    border:1.5px dashed #CFC6FF;
    border-radius:20px;
    padding:24px;
    text-align:center;
  }

  .join-side strong{
    display:block;
    font-size:15px;
    margin-bottom:6px;
  }

  .join-side span{
    display:block;
    font-size:13.4px;
    color:var(--muted);
    line-height:1.7;
    margin-bottom:16px;
  }

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:0;
    background:#16151F;
    color:#CFC9DF;
    padding:54px 0 22px;
  }

  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr;
    gap:36px;
    align-items:start;
  }

  .footer-brand-row{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:16px;
  }

  .footer-logo-wrap{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:#fff;
    border-radius:12px;
    padding:8px 14px;
  }

  .footer-logo-wrap .ai-page-logo{max-height:30px;}

  .footer-brand-name{
    font-size:17px;
    font-weight:800;
    color:#FFFFFF;
  }

  .site-footer p{
    font-size:13.8px;
    color:#B6B0C8;
    line-height:1.85;
    max-width:420px;
  }

  .footer-col h3{
    font-size:14.5px;
    color:#FFFFFF;
    margin-bottom:14px;
    font-weight:800;
    letter-spacing:.02em;
  }

  .footer-col ul{display:grid;gap:9px;}

  .footer-col a{
    font-size:13.8px;
    color:#B6B0C8;
    text-decoration:none;
    transition:color .2s ease;
  }

  .footer-col a:hover{color:#FFD86B;}

  .footer-contact li{
    font-size:13.8px;
    color:#B6B0C8;
    line-height:1.8;
    word-break:break-all;
  }

  .footer-contact li b{
    color:#FFFFFF;
    font-weight:700;
    margin-right:6px;
  }

  .footer-links{
    margin-top:36px;
    padding-top:24px;
    border-top:1px dashed rgba(255,255,255,.16);
  }

  .footer-links-title{
    display:block;
    font-size:13.5px;
    font-weight:800;
    color:#FFFFFF;
    margin-bottom:12px;
  }

  .link-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
  }

  .link-cloud a{
    display:inline-block;
    padding:5px 13px;
    font-size:12.8px;
    color:#C9C3DC;
    text-decoration:none;
    border:1px solid rgba(255,255,255,.16);
    border-radius:999px;
    transition:color .2s ease,border-color .2s ease,background-color .2s ease;
  }

  .link-cloud a:hover{
    color:#16151F;
    background:#FFD86B;
    border-color:#FFD86B;
  }

  .footer-bottom{
    margin-top:24px;
    padding-top:18px;
    border-top:1px dashed rgba(255,255,255,.16);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    font-size:12.8px;
    color:#9C96AE;
  }

  .footer-bottom a{
    color:#C9C3DC;
    text-decoration:none;
  }

  .footer-bottom a:hover{color:#FFD86B;}

  /* ---------- floating ---------- */
  .float-service{
    position:fixed;
    right:18px;
    bottom:22px;
    z-index:95;
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:12px;
  }

  .fs-toggle{
    width:58px;
    height:58px;
    border-radius:50%;
    border:none;
    cursor:pointer;
    font-size:13.5px;
    font-weight:800;
    color:#fff;
    background:var(--brand);
    box-shadow:0 16px 30px -14px rgba(91,75,255,.95);
    transition:transform .2s ease,background-color .2s ease;
  }

  .fs-toggle:hover{transform:translateY(-3px);background:var(--brand-deep);}

  .fs-panel{
    position:absolute;
    right:0;
    bottom:calc(100% + 12px);
    width:232px;
    background:#fff;
    border:1.5px solid var(--line);
    border-radius:16px;
    padding:16px;
    box-shadow:0 28px 50px -26px rgba(28,27,36,.55);
    opacity:0;
    visibility:hidden;
    transform:translateY(8px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  }

  .fs-panel.open{opacity:1;visibility:visible;transform:translateY(0);}

  .fs-panel h4{
    font-size:14.5px;
    margin-bottom:10px;
    color:var(--ink);
  }

  .fs-panel img{
    width:100%;
    height:auto;
    display:block;
    border-radius:10px;
    border:1.5px solid var(--line);
    margin-bottom:10px;
  }

  .fs-panel p{
    font-size:12.6px;
    color:var(--muted);
    line-height:1.7;
    text-align:center;
  }

  .fs-line{
    margin-top:6px;
    font-weight:700;
    color:var(--ink-soft);
  }

  .back-top{
    position:fixed;
    right:22px;
    bottom:92px;
    z-index:94;
    width:44px;
    height:44px;
    border-radius:50%;
    border:1.5px solid var(--line);
    background:#fff;
    color:var(--ink);
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 14px 26px -18px rgba(28,27,36,.7);
    opacity:0;
    visibility:hidden;
    transform:translateY(8px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s ease,color .2s ease,border-color .2s ease;
  }

  .back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
  .back-top:hover{color:var(--brand);border-color:#C6BDFF;}

  /* ---------- reveal ---------- */
  .reveal{opacity:0;transition:opacity .7s ease;}
  .reveal.in{opacity:1;}

  /* ---------- responsive ---------- */
  @media (max-width:1140px){
    .nav-toggle{display:inline-flex;}

    .nav-links{
      position:absolute;
      top:calc(100% + 10px);
      left:0;
      right:0;
      display:none;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      background:#fff;
      border:1.5px solid var(--line);
      border-radius:16px;
      padding:8px;
      box-shadow:0 28px 50px -30px rgba(28,27,36,.55);
      max-height:70vh;
      overflow-y:auto;
    }

    .nav-links.open{display:flex;animation:fadeIn .22s ease both;}

    .nav-links a{padding:12px 14px;font-size:15px;}
  }

  @media (max-width:1024px){
    .hero-inner{grid-template-columns:1fr;gap:34px;}
    .hero-sub{max-width:100%;}
    .hero-board{order:2;}
    .about-grid{grid-template-columns:1fr;gap:28px;}
    .grid-3{grid-template-columns:repeat(2,1fr);}
    .grid-4{grid-template-columns:repeat(2,1fr);}
    .flow{grid-template-columns:repeat(2,1fr);}
    .network-grid{grid-template-columns:repeat(3,1fr);}
    .token-grid{grid-template-columns:1fr;}
    .score-panel{grid-template-columns:1fr;}
    .match-grid{grid-template-columns:1fr;}
    .join-banner{grid-template-columns:1fr;gap:24px;padding:30px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  }

  @media (max-width:768px){
    .section{padding:50px 0;}
    .hero{padding:38px 0 16px;}
    .stats{grid-template-columns:repeat(2,1fr);margin-top:32px;}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
    .flow{grid-template-columns:1fr;}
    .network-grid{grid-template-columns:repeat(2,1fr);}
    .about-list{grid-template-columns:1fr;}
    .form-grid{grid-template-columns:1fr;}
    .form-card,.contact-card{padding:22px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .site-footer{padding:42px 0 20px;}
    .site-footer p{max-width:100%;}
    .join-banner{padding:26px 22px;}
    .article-item{flex-direction:column;align-items:flex-start;gap:6px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .nav-actions .btn{padding:9px 16px;font-size:13.5px;}
    .brand-name{font-size:16px;}
  }

  @media (max-width:420px){
    .hero h1{font-size:26px;}
    .stats{grid-template-columns:1fr;}
    .network-grid{grid-template-columns:1fr;}
    .btn{padding:11px 20px;font-size:14.2px;}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
    .reveal{opacity:1;}
  }

.reveal{opacity:1;}