*{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    color:#191A1F;
    background:linear-gradient(180deg,#FFFDF4 0%,#FFF7DF 42%,#FFFDF6 100%);
    line-height:1.72;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%}
  h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  a{color:inherit}
  .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
  .section{padding:74px 0}
  .tint{background:linear-gradient(180deg,rgba(255,255,255,.62),rgba(255,255,255,.32));border-top:1px solid #F1E9D3;border-bottom:1px solid #F1E9D3}
  section[id]{scroll-margin-top:88px}

  .kicker{
    display:inline-block;
    font-size:12.5px;
    font-weight:800;
    letter-spacing:.1em;
    color:#15161A;
    background:#FFD500;
    padding:5px 13px;
    border-radius:999px;
    margin-bottom:16px;
  }
  h2{font-size:clamp(23px,3.2vw,34px)}
  .lead{color:#4A4D57;font-size:16px;margin-top:14px}
  .section-head{max-width:780px;margin-bottom:36px}

  /* ---------- header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,252,240,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid #EFE6CB;
  }
  .nav-inner{
    display:flex;align-items:center;gap:16px;
    min-height:74px;position:relative;flex-wrap:nowrap;
  }
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
  .ai-page-logo{display:block;width:auto;max-height:38px;max-width:150px}
  .brand-name{font-weight:800;font-size:17px;letter-spacing:.01em;color:#15161A;white-space:nowrap}
  .nav-links{
    display:flex;align-items:center;justify-content:flex-end;
    gap:0;margin-left:auto;
  }
  .nav-links a{
    display:block;
    padding:9px 11px;
    font-size:14px;
    font-weight:600;
    color:#2A2C33;
    text-decoration:none;
    border-radius:9px;
    white-space:nowrap;
    transition:background .18s ease,color .18s ease;
  }
  .nav-links a:hover{background:#FFF3C2;color:#15161A}
  .nav-cta{flex:0 0 auto;padding:11px 20px;font-size:14.5px}
  .nav-toggle{
    display:none;
    margin-left:auto;
    background:#15161A;color:#fff;border:0;
    padding:9px 15px;border-radius:10px;font-size:14px;font-weight:700;
    cursor:pointer;
  }
  @media (max-width:1100px){
    .nav-toggle{display:block}
    .nav-links{
      display:none;
      position:absolute;top:100%;left:0;right:0;
      flex-direction:column;align-items:stretch;
      background:#fff;border:1px solid #EFE6CB;border-radius:14px;
      padding:8px;margin-top:4px;
      box-shadow:0 22px 48px -26px rgba(20,20,20,.45);
    }
    .nav-links.open{display:flex}
    .nav-links a{padding:12px 14px;font-size:15px}
    .nav-cta{margin-left:0}
  }
  @media (max-width:640px){
    .brand-name{font-size:16px}
    .nav-cta{display:none}
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:12px;
    font-size:15.5px;font-weight:800;text-decoration:none;
    border:1px solid transparent;cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  }
  .btn-primary{background:#FFD500;color:#15161A;box-shadow:0 12px 26px -16px rgba(20,20,20,.7)}
  .btn-primary:hover{background:#FFC800;transform:translateY(-2px);box-shadow:0 18px 30px -16px rgba(20,20,20,.55)}
  .btn-ghost{background:#15161A;color:#fff}
  .btn-ghost:hover{background:#000;transform:translateY(-2px)}
  .btn:active{transform:translateY(0)}

  /* ---------- hero ---------- */
  .hero{
    position:relative;overflow:hidden;
    padding:66px 0 76px;
    background:
      radial-gradient(760px 380px at 88% -10%,#FFEFA8 0%,rgba(255,239,168,0) 62%),
      radial-gradient(620px 320px at 4% 106%,#FFE477 0%,rgba(255,228,119,0) 60%),
      linear-gradient(160deg,#FFFDF4 0%,#FFF6D3 56%,#FFEFB6 100%);
    border-bottom:1px solid #F0E4BF;
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(20,20,20,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(20,20,20,.055) 1px,transparent 1px);
    background-size:66px 66px;
    pointer-events:none;
  }
  .hero-inner{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1.22fr .88fr;
    gap:46px;align-items:center;
  }
  .hero h1{font-size:clamp(31px,4.9vw,54px);font-weight:900;letter-spacing:-.02em}
  .hl{
    background:linear-gradient(transparent 60%,#FFD500 60%);
    padding:0 4px;
  }
  .hero-sub{color:#3E414A;font-size:16.5px;margin-top:18px;max-width:600px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
  .hero-tags li{
    font-size:13px;color:#33363E;
    background:rgba(255,255,255,.74);
    border:1px solid #E8DDAE;
    padding:5px 12px;border-radius:999px;
  }
  .metric-board{display:grid;grid-template-columns:1fr 1fr;gap:13px}
  .metric{
    background:#fff;border:1px solid #EFE6C9;border-radius:16px;
    padding:18px 16px;
    box-shadow:0 14px 28px -24px rgba(20,20,20,.55);
  }
  .metric b{display:block;font-size:26px;font-weight:900;line-height:1.15;color:#15161A}
  .metric b em{font-style:normal;font-size:13px;font-weight:700;color:#6A6E78}
  .metric span{display:block;font-size:13px;color:#5C6069;margin-top:4px}
  .metric-accent{background:#FFD500;border-color:#F1C400}
  .metric-accent b{color:#15161A;font-size:20px;letter-spacing:1px}
  .metric-accent span{color:#3A3300}
  .panel-note{
    margin-top:14px;font-size:13.5px;color:#3F424A;
    background:rgba(255,255,255,.72);
    border:1px dashed #DFCF8C;border-radius:12px;
    padding:10px 14px;
  }
  @media (max-width:920px){
    .hero-inner{grid-template-columns:1fr;gap:34px}
    .hero{padding:48px 0 60px}
  }

  /* ---------- generic cards ---------- */
  .grid{display:grid;gap:18px}
  .grid-3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}
  .grid-4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
  .card{
    background:#fff;border:1px solid #EFE8D3;border-radius:18px;padding:24px;
    box-shadow:0 14px 30px -26px rgba(20,20,20,.6);
    transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  }
  .card:hover{transform:translateY(-5px);border-color:#E7D68F;box-shadow:0 26px 44px -28px rgba(20,20,20,.5)}
  .card h3{font-size:17.5px;margin-bottom:10px}
  .card p{font-size:14.5px;color:#4E525C}
  .card .badge{
    display:inline-block;font-size:12px;font-weight:800;color:#15161A;
    background:#FFF3BE;border:1px solid #EFDFA2;border-radius:999px;
    padding:3px 10px;margin-bottom:12px;
  }

  /* ---------- about split ---------- */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
  @media (max-width:920px){.split{grid-template-columns:1fr;gap:30px}}
  .check-list{margin-top:22px;display:grid;gap:12px}
  .check-list li{
    position:relative;padding-left:26px;font-size:14.8px;color:#3C4048;
  }
  .check-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:11px;height:11px;border-radius:3px;
    background:#FFD500;border:1px solid #E9C400;
  }
  .check-list strong{color:#15161A}
  .media-card{
    margin:0;background:#fff;border:1px solid #EFE8D3;border-radius:20px;
    padding:12px;box-shadow:0 20px 40px -32px rgba(20,20,20,.7);
  }
  .media-card img{display:block;width:100%;border-radius:13px}
  .media-card figcaption{
    font-size:13px;color:#5C6069;text-align:center;padding:12px 6px 4px;
  }

  /* ---------- tag cloud ---------- */
  .tag-cloud{margin-top:34px;background:#fff;border:1px solid #EFE8D3;border-radius:18px;padding:24px}
  .tag-cloud h3{font-size:16.5px;margin-bottom:14px}
  .tag-cloud ul{display:flex;flex-wrap:wrap;gap:9px}
  .tag-cloud li{
    font-size:13.5px;color:#33363E;background:#FFFBEA;
    border:1px solid #EFE3B4;padding:6px 13px;border-radius:999px;
    transition:background .18s ease,transform .18s ease;
  }
  .tag-cloud li:hover{background:#FFF0A8;transform:translateY(-2px)}

  /* ---------- timeline ---------- */
  .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
  .tl-item{
    background:#fff;border:1px solid #EFE8D3;border-radius:16px;padding:20px 18px;
    transition:transform .26s ease,box-shadow .26s ease;
  }
  .tl-item:hover{transform:translateY(-4px);box-shadow:0 20px 34px -26px rgba(20,20,20,.55)}
  .step-idx{
    display:inline-block;font-size:12px;font-weight:900;color:#15161A;
    background:#FFD500;border-radius:7px;padding:2px 8px;margin-bottom:10px;
  }
  .tl-item h3{font-size:15.5px;margin-bottom:8px}
  .tl-item p{font-size:13.8px;color:#4E525C}
  @media (max-width:980px){.timeline{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:560px){.timeline{grid-template-columns:1fr}}

  /* ---------- cases ---------- */
  .case-card{background:#fff;border:1px solid #EFE8D3;border-radius:18px;padding:14px;transition:transform .26s ease,box-shadow .26s ease}
  .case-card:hover{transform:translateY(-5px);box-shadow:0 26px 44px -30px rgba(20,20,20,.55)}
  .case-media{
    background:#F7F1DC;border-radius:13px;overflow:hidden;
    aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;
  }
  .case-media img{width:100%;height:100%;object-fit:contain;display:block}
  .case-card h3{font-size:16px;margin:14px 4px 6px}
  .case-card p{font-size:14px;color:#4E525C;margin:0 4px 8px}

  /* ---------- review ---------- */
  .review{background:#14161B;color:#EDEDEF;padding:74px 0}
  .review .kicker{background:#FFD500;color:#15161A}
  .review h2{color:#fff}
  .review .lead{color:#B6BAC3}
  .review-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:24px;align-items:start}
  @media (max-width:980px){.review-grid{grid-template-columns:1fr}}
  .table-wrap{overflow-x:auto;border:1px solid #2C2F38;border-radius:16px;background:#1B1E25}
  table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
  caption{text-align:left;padding:14px 16px;font-size:13.5px;color:#A7ABB5}
  th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.09);vertical-align:top}
  thead th{background:#242830;color:#FFD500;font-size:14px;white-space:nowrap}
  tbody th{color:#fff;font-weight:700;background:#20242B;white-space:nowrap}
  tbody td{color:#D9DBE1}
  tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
  .col-own{background:rgba(255,213,0,.09);color:#FFEDB0 !important;font-weight:600}
  .score-board{
    background:#FFD500;color:#15161A;border-radius:20px;padding:28px 24px;text-align:center;
    box-shadow:0 24px 44px -30px rgba(255,213,0,.9);
  }
  .score-board h3{font-size:16px;margin-bottom:14px}
  .score-stars{font-size:23px;letter-spacing:5px;color:#15161A;margin-bottom:8px}
  .score-num{font-size:52px;font-weight:900;line-height:1}
  .score-num em{font-style:normal;font-size:18px;font-weight:800;color:#4A4000}
  .score-board p{font-size:13.5px;color:#3E3708;margin-top:12px}

  /* ---------- token ---------- */
  .price-card{background:#fff;border:1px solid #EFE8D3;border-radius:18px;padding:26px;transition:transform .26s ease,box-shadow .26s ease}
  .price-card:hover{transform:translateY(-5px);box-shadow:0 26px 44px -30px rgba(20,20,20,.5)}
  .price-card h3{font-size:17px;margin-bottom:8px}
  .price-card .sub{font-size:13px;color:#6A6E78;margin-bottom:14px}
  .price-card ul{display:grid;gap:9px}
  .price-card li{font-size:14px;color:#3C4048;padding-left:18px;position:relative}
  .price-card li::before{
    content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:#FFD500;
  }
  .price-note{margin-top:22px;font-size:14px;color:#4A4D57;background:#FFFBEC;border:1px dashed #E4D28F;border-radius:14px;padding:16px 18px}

  /* ---------- form ---------- */
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  @media (max-width:700px){.form-grid{grid-template-columns:1fr}}
  .lead-form{background:#fff;border:1px solid #EFE8D3;border-radius:20px;padding:26px;box-shadow:0 20px 40px -34px rgba(20,20,20,.7)}
  .lead-form label{display:block;font-size:13.5px;font-weight:800;color:#2C2F37}
  .lead-form input,.lead-form select,.lead-form textarea{
    width:100%;margin-top:8px;padding:12px 14px;
    font-size:14.5px;font-family:inherit;color:#191A1F;
    background:#FFFBEF;border:1px solid #E7DCB8;border-radius:11px;
    transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  }
  .lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{
    outline:none;background:#fff;border-color:#FFD500;
    box-shadow:0 0 0 3px rgba(255,213,0,.28);
  }
  .lead-form textarea{resize:vertical;min-height:110px}
  .full{margin-top:16px;display:block}
  .form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px}
  .form-tip{font-size:13px;color:#61656F;margin-top:12px}
  .match-side{display:grid;gap:14px;align-content:start}
  .match-side .card{padding:20px}

  /* ---------- comments ---------- */
  .comment{background:#fff;border:1px solid #EFE8D3;border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .26s ease,box-shadow .26s ease}
  .comment:hover{transform:translateY(-4px);box-shadow:0 24px 42px -30px rgba(20,20,20,.5)}
  .comment p{font-size:14.5px;color:#3C4048}
  .comment .who{display:flex;align-items:center;gap:11px;margin-top:auto}
  .avatar{
    width:38px;height:38px;border-radius:50%;flex:0 0 auto;
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:900;color:#15161A;background:#FFD500;
  }
  .who-name{font-size:14px;font-weight:800;color:#15161A;line-height:1.35}
  .who-role{font-size:12.5px;color:#6A6E78;line-height:1.35}

  /* ---------- faq ---------- */
  .faq-list{display:grid;gap:12px}
  .faq-item{background:#fff;border:1px solid #EFE8D3;border-radius:14px;padding:2px 20px;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item[open]{border-color:#E7D68F;box-shadow:0 18px 34px -30px rgba(20,20,20,.6)}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:17px 0;
    font-size:15.5px;font-weight:800;color:#191A1F;
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";flex:0 0 auto;font-size:20px;font-weight:800;line-height:1;
    color:#15161A;background:#FFF3BE;border-radius:8px;
    width:26px;height:26px;display:flex;align-items:center;justify-content:center;
    transition:background .2s ease;
  }
  .faq-item[open] summary::after{content:"–";background:#FFD500}
  .faq-item p{font-size:14.5px;color:#4A4D57;padding-bottom:18px;margin:0}

  /* ---------- help / insights ---------- */
  .help-card{background:#fff;border:1px solid #EFE8D3;border-radius:16px;padding:20px;text-decoration:none;display:block;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
  .help-card:hover{transform:translateY(-4px);border-color:#E7D68F;box-shadow:0 22px 38px -30px rgba(20,20,20,.55)}
  .help-card h3{font-size:15.5px;margin-bottom:6px}
  .help-card p{font-size:13.8px;color:#4E525C}
  .article-feed{display:grid;gap:12px}
  .article-item{
    display:flex;align-items:center;gap:14px;justify-content:space-between;
    background:#fff;border:1px solid #EFE8D3;border-radius:13px;padding:15px 18px;
    text-decoration:none;transition:transform .22s ease,border-color .22s ease,background .22s ease;
  }
  .article-item:hover{transform:translateX(4px);border-color:#E7D68F;background:#FFFCF0}
  .article-item .tag{
    flex:0 0 auto;font-size:12px;font-weight:800;color:#15161A;
    background:#FFF3BE;border:1px solid #EFDFA2;border-radius:999px;padding:3px 10px;
  }
  .article-item .title{flex:1 1 auto;font-size:14.8px;font-weight:700;color:#20232A}
  .article-item .arrow{flex:0 0 auto;color:#8A8F99;font-weight:800}
  @media (max-width:560px){
    .article-item{flex-wrap:wrap;gap:8px}
    .article-item .title{flex:1 1 100%;order:3}
  }

  /* ---------- agent ---------- */
  .agent-box{
    background:linear-gradient(135deg,#FFE86B,#FFD500 62%,#FFC800);
    border:1px solid #E9C400;border-radius:24px;padding:38px;
    display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center;
    box-shadow:0 30px 56px -40px rgba(20,20,20,.75);
  }
  .agent-box h2{color:#15161A}
  .agent-box p{color:#3B3507;font-size:15.5px;margin-top:12px}
  .agent-list{margin-top:18px;display:grid;gap:9px}
  .agent-list li{font-size:14.5px;color:#2E2900;padding-left:20px;position:relative}
  .agent-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:#15161A}
  .agent-action{display:grid;gap:12px}
  .agent-action .btn-ghost{background:#15161A;color:#fff}
  @media (max-width:900px){.agent-box{grid-template-columns:1fr;padding:28px}}

  /* ---------- contact ---------- */
  .contact-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:start}
  @media (max-width:880px){.contact-grid{grid-template-columns:1fr}}
  .contact-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
  .contact-item{background:#fff;border:1px solid #EFE8D3;border-radius:14px;padding:18px}
  .contact-item span{display:block;font-size:12.5px;font-weight:800;color:#6A6E78;letter-spacing:.04em;margin-bottom:6px}
  .contact-item strong{display:block;font-size:15px;color:#15161A;font-weight:800;word-break:break-all}
  .contact-item a{text-decoration:none;color:#15161A;border-bottom:2px solid #FFD500}
  .qr-card{background:#fff;border:1px solid #EFE8D3;border-radius:18px;padding:18px;text-align:center}
  .qr-card img{display:block;width:100%;max-width:220px;margin:0 auto;border-radius:12px}
  .qr-card p{font-size:14px;font-weight:800;color:#15161A;margin-top:12px}
  .qr-card small{display:block;font-size:12.5px;color:#6A6E78;margin-top:4px}

  /* ---------- footer ---------- */
  .site-footer{background:#14161B;color:#E6E7EA;padding:46px 0 26px;margin-top:0}
  .footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;align-items:start}
  @media (max-width:880px){.footer-main{grid-template-columns:1fr;gap:26px}}
  .footer-brand .ai-page-logo{max-height:40px;margin-bottom:14px}
  .footer-brand p{font-size:14px;color:#B4B8C1;max-width:380px}
  .site-footer h3{font-size:15px;color:#FFFFFF;margin-bottom:14px}
  .footer-links ul{display:flex;flex-wrap:wrap;gap:8px}
  .footer-links a{
    display:inline-block;font-size:13.5px;color:#DCDEE4;text-decoration:none;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
    padding:5px 12px;border-radius:999px;transition:background .2s ease,color .2s ease;
  }
  .footer-links a:hover{background:#FFD500;color:#15161A;border-color:#FFD500}
  .footer-contact ul{display:grid;gap:9px}
  .footer-contact li{font-size:13.8px;color:#C9CCD3}
  .footer-contact a{color:#FFD500;text-decoration:none}
  .footer-bottom{
    margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;color:#A0A4AE;text-align:center;
  }

  /* ---------- floating ---------- */
  .float-dock{position:fixed;right:18px;bottom:18px;z-index:80;display:grid;gap:10px;justify-items:end}
  .float-btn{
    width:50px;height:50px;border-radius:50%;border:0;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:900;color:#15161A;background:#FFD500;
    box-shadow:0 16px 30px -16px rgba(20,20,20,.7);
    transition:transform .2s ease,background .2s ease;
  }
  .float-btn:hover{transform:translateY(-3px);background:#FFC800}
  .float-btn.back{background:#15161A;color:#fff;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .2s ease}
  .float-btn.back.show{opacity:1;pointer-events:auto}
  .kefu-panel{
    display:none;
    width:250px;background:#fff;border:1px solid #EFE8D3;border-radius:18px;
    padding:16px;box-shadow:0 28px 54px -30px rgba(20,20,20,.7);
  }
  .kefu-panel.open{display:block;animation:fadeUp .28s ease both}
  .kefu-panel img{display:block;width:100%;border-radius:12px}
  .kefu-panel h4{font-size:14.5px;margin:10px 0 6px}
  .kefu-panel p{font-size:13px;color:#4A4D57}

  /* ---------- motion ---------- */
  @keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  @keyframes heroIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
  .hero-copy{animation:heroIn .7s ease both}
  .hero-panel{animation:heroIn .7s .14s ease both}
  .reveal{transition:opacity .65s ease,transform .65s ease}
  .reveal.is-hidden{opacity:0;transform:translateY(20px)}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *{animation:none !important;transition:none !important}
    .reveal.is-hidden{opacity:1;transform:none}
  }