:root{
      --bg: #f6fbf7;
      --surface: #ffffff;
      --surface-2: #f3f7f4;
      --text: #1f2937;
      --muted:#5b6b6b;
      --muted-2:#7b8a86;
      --border: rgba(19,39,35,.12);
      --shadow: 0 18px 40px rgba(16, 24, 40, .10);
      --shadow-2: 0 10px 24px rgba(16, 24, 40, .10);
      --shadow-soft: 0 10px 25px rgba(16, 24, 40, .08);
      --mint:#2bb673;
      --mint-2:#1ea86a;
      --mint-3:#0f8a5d;
      --deep:#0b2a21;
      --link:#0f766e;
      --btnText:#ffffff;
      --radius: 18px;
      --radius-2: 14px;
      --container: 1120px;
      --gutter: 20px;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(900px 450px at 20% -10%, rgba(43,182,115,.16), rgba(43,182,115,0) 60%),
        radial-gradient(700px 380px at 85% 0%, rgba(16,185,129,.12), rgba(16,185,129,0) 60%),
        linear-gradient(180deg, #f7fbf7 0%, #f3faf6 40%, #f6fbf7 100%);
    }

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

    .skip-link{
      position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip-link:focus{
      left:16px; top:16px; z-index:9999;
      width:auto; height:auto; padding:10px 12px; border-radius:12px;
      background:#0b2a21; color:#fff; text-decoration:none;
      outline:2px solid rgba(43,182,115,.65);
    }

    .container{
      width: min(var(--container), calc(100% - (var(--gutter) * 2)));
      margin: 0 auto;
    }

    .site-header{
      position: sticky; top: 0; z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(246, 251, 247, .78);
      border-bottom: 1px solid rgba(19,39,35,.10);
    }
    .nav-container{
      display:flex; align-items:center; justify-content:space-between;
      padding: 14px 0;
      gap: 14px;
    }
    .brand{
      display:flex; align-items:center; gap: 12px; min-width: 260px;
    }
    .ai-page-logo{ width: 44px; height: 44px; object-fit: contain; }
    .brand-text{ display:flex; flex-direction:column; line-height: 1.1; }
    .brand-name{ font-weight: 820; letter-spacing:.2px; }
    .brand-sub{ font-size: 12px; color: var(--muted); margin-top: 3px; }

    .nav-links{
      display:flex; align-items:center; gap: 16px; flex-wrap:nowrap;
    }
    .nav-link{
      font-size: 14px; color: rgba(17, 24, 39, .88);
      text-decoration:none; padding:10px 10px; border-radius: 12px;
      transition: background .15s ease, transform .15s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(43,182,115,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      background: linear-gradient(135deg, rgba(43,182,115,.18), rgba(30,168,106,.10));
      border: 1px solid rgba(43,182,115,.28);
    }

    .nav-toggle{
      display:none;
      width: 44px; height: 44px; border-radius: 14px;
      border: 1px solid rgba(19,39,35,.14);
      background: rgba(255,255,255,.75);
      box-shadow: 0 8px 20px rgba(16,24,40,.08);
      align-items:center; justify-content:center;
      cursor:pointer;
      position: relative;
    }
    .nav-toggle-line{
      display:block; width: 18px; height: 2px; background: rgba(10,35,26,.88);
      position:absolute; left:50%; transform: translateX(-50%);
      transition: transform .18s ease, opacity .18s ease, top .18s ease;
    }
    .nav-toggle-line:nth-child(1){ top: 16px; }
    .nav-toggle-line:nth-child(2){ top: 21px; }
    .nav-toggle-line:nth-child(3){ top: 26px; }
    .mobile-menu{
      display:none;
      border-top: 1px solid rgba(19,39,35,.10);
      background: rgba(246, 251, 247, .96);
    }
    .mobile-menu-inner{
      padding: 14px 0 18px;
      display:flex; flex-direction:column; gap: 8px;
    }
    .mobile-link{
      text-decoration:none; color: rgba(17,24,39,.92);
      padding: 12px 12px;
      border: 1px solid rgba(19,39,35,.10);
      border-radius: 14px;
      background: rgba(255,255,255,.60);
    }
    .mobile-actions{ display:flex; gap: 10px; margin-top: 6px; }
    .btn{
      border: 1px solid rgba(19,39,35,.18);
      border-radius: 14px;
      padding: 12px 14px;
      text-decoration:none;
      display:inline-flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      font-weight: 700;
      font-size: 14px;
      user-select:none;
      color: rgba(17,24,39,.92);
      background: rgba(255,255,255,.65);
    }
    .btn-wide{ padding: 13px 18px; min-width: 176px; }
    .btn-block{ width:100%; }
    .btn-primary{
      color: var(--btnText);
      border-color: rgba(43,182,115,.35);
      background: linear-gradient(135deg, rgba(43,182,115,1), rgba(30,168,106,1));
      box-shadow: 0 14px 30px rgba(43,182,115,.25);
    }
    .btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 18px 44px rgba(43,182,115,.30); }
    .btn-ghost{
      background: rgba(255,255,255,.60);
      border-color: rgba(19,39,35,.16);
    }
    .btn-ghost:hover{ transform: translateY(-1px); box-shadow: 0 14px 28px rgba(16,24,40,.10); }
    .btn-soft{
      background: linear-gradient(135deg, rgba(43,182,115,.14), rgba(16,185,129,.08));
      border-color: rgba(43,182,115,.30);
    }
    .btn-soft:hover{ transform: translateY(-1px); box-shadow: 0 14px 28px rgba(43,182,115,.16); }

    .hero{
      position: relative;
      padding: 34px 0 28px;
    }
    .hero-grid{
      display:grid; grid-template-columns: 1.12fr .88fr;
      gap: 18px;
      align-items: start;
    }
    .hero-left{ padding: 18px 0; }
    .kicker{
      display:inline-flex; align-items:center; gap: 10px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(43,182,115,.22);
      background: rgba(255,255,255,.66);
      box-shadow: 0 10px 22px rgba(16,24,40,.06);
      color: rgba(10,35,26,.90);
      font-weight: 700;
      font-size: 13px;
    }
    .kicker-dot{
      width: 10px; height: 10px; border-radius: 999px;
      background: radial-gradient(circle at 30% 30%, #7CFFB1, #2bb673 62%, #0f8a5d 100%);
      box-shadow: 0 0 0 6px rgba(43,182,115,.12);
      animation: pulse 1.9s ease-in-out infinite;
    }
    @keyframes pulse{
      0%,100%{ transform: scale(1); opacity:1; }
      50%{ transform: scale(1.12); opacity:.85; }
    }

    .hero-title{
      font-size: clamp(28px, 3.2vw, 44px);
      line-height: 1.08;
      margin: 16px 0 10px;
      letter-spacing: -0.6px;
    }
    .hero-lead{
      margin: 0;
      color: rgba(31,41,55,.82);
      font-size: 15.5px;
      line-height: 1.75;
      max-width: 56ch;
    }
    .hero-actions{
      display:flex; gap: 12px; flex-wrap: wrap;
      margin-top: 18px;
      align-items:center;
    }
    .hero-chips{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 18px;
    }
    .chip{
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(19,39,35,.12);
      color: rgba(15,118,110,.95);
      font-weight: 700;
      font-size: 12.5px;
      box-shadow: 0 10px 22px rgba(16,24,40,.05);
    }

    .hero-mini{
      display:flex; gap: 12px; margin-top: 18px; flex-wrap:wrap;
    }
    .mini-item{
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(19,39,35,.12);
      border-radius: 16px;
      padding: 10px 12px;
      min-width: 148px;
      box-shadow: 0 10px 20px rgba(16,24,40,.06);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .mini-item:hover{ transform: translateY(-2px); box-shadow: 0 18px 40px rgba(16,24,40,.10); }
    .mini-value{ font-weight: 850; }
    .mini-label{ color: var(--muted); font-size: 12.5px; margin-top: 4px; }

    .hero-right{ position: relative; }
    .hero-panel{
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(19,39,35,.12);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 16px;
      overflow: hidden;
      position: relative;
    }
    .panel-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      padding: 4px 2px 12px;
      border-bottom: 1px dashed rgba(19,39,35,.14);
    }
    .panel-title{
      display:flex; align-items:center; gap: 10px;
      font-weight: 850;
      letter-spacing: .2px;
    }
    .panel-icon{
      width: 34px; height: 34px; border-radius: 12px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(43,182,115,.20), rgba(16,185,129,.10));
      border: 1px solid rgba(43,182,115,.26);
      color: rgba(8,45,30,.92);
    }
    .panel-badge{
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.24);
      padding: 8px 10px;
      border-radius: 999px;
      font-weight: 750;
      color: rgba(15,118,110,.98);
      font-size: 12.5px;
      white-space: nowrap;
    }

    .metrics{ display:grid; grid-template-columns: 1fr; gap: 10px; margin-top: 12px; }
    .metric{
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.60);
      border-radius: 16px;
      padding: 12px;
      box-shadow: 0 10px 22px rgba(16,24,40,.05);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .metric:hover{ transform: translateY(-2px); box-shadow: 0 18px 44px rgba(16,24,40,.10); }
    .metric-head{ display:flex; align-items:center; gap: 10px; }
    .metric-icon{
      width: 28px; height: 28px; border-radius: 10px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.24);
    }
    .metric-title{ font-weight: 850; }
    .metric-value{ font-weight: 850; margin-top: 6px; }
    .metric-desc{ color: var(--muted); font-size: 12.5px; margin-top: 4px; }

    .panel-actions{ display:flex; gap: 10px; margin-top: 14px; }
    .panel-actions .btn{ flex:1; }

    .hero-sheen{
      position:absolute; inset:-40px -40px auto auto;
      width: 220px; height: 220px;
      background: radial-gradient(circle at 30% 30%, rgba(43,182,115,.28), rgba(43,182,115,0) 60%);
      filter: blur(2px);
      pointer-events:none;
      opacity:.9;
    }

    .section{
      padding: 54px 0;
    }
    .alt-bg{
      background:
        radial-gradient(800px 380px at 10% 0%, rgba(43,182,115,.10), rgba(43,182,115,0) 55%),
        radial-gradient(650px 300px at 92% 20%, rgba(16,185,129,.08), rgba(16,185,129,0) 55%),
        linear-gradient(180deg, rgba(243,247,244,.65), rgba(243,247,244,.20));
      border-top: 1px solid rgba(19,39,35,.06);
      border-bottom: 1px solid rgba(19,39,35,.06);
    }

    .section-head{
      text-align: left;
      margin-bottom: 18px;
    }
    .section-tag{
      display:inline-flex; align-items:center; gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(43,182,115,.22);
      background: rgba(255,255,255,.65);
      color: rgba(15,118,110,.98);
      font-weight: 850;
      font-size: 13px;
      margin-bottom: 10px;
    }
    .section-title{
      margin: 0 0 10px;
      font-size: clamp(22px, 2.4vw, 30px);
      letter-spacing: -0.4px;
    }
    .section-desc{
      margin: 0;
      color: rgba(31,41,55,.80);
      line-height: 1.75;
      max-width: 72ch;
      font-size: 15.5px;
    }

    .split-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap: 16px;
      align-items: stretch;
      margin-top: 16px;
    }
    .three-grid{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 16px;
    }
    .two-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }

    .card{
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(19,39,35,.12);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
      padding: 16px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{ transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: rgba(43,182,115,.22); }
    .soft-card{ background: rgba(255,255,255,.78); }
    .gradient-card{
      background:
        radial-gradient(650px 260px at 10% 0%, rgba(43,182,115,.16), rgba(43,182,115,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.64));
    }

    .card-head{ display:flex; align-items:center; gap: 10px; margin-bottom: 12px; }
    .card-bullet{
      width: 14px; height: 14px; border-radius: 5px;
      background: linear-gradient(135deg, rgba(43,182,115,1), rgba(30,168,106,1));
      box-shadow: 0 0 0 6px rgba(43,182,115,.14);
    }
    .card-title{ font-size: 16px; margin: 0; font-weight: 880; }
    .muted{ color: var(--muted); }

    .check-list{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap: 10px; }
    .check-list li{ display:flex; gap: 10px; align-items:flex-start; color: rgba(17,24,39,.90); line-height: 1.65; }
    .check-icon{
      width: 22px; height: 22px; border-radius: 10px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.14);
      border: 1px solid rgba(43,182,115,.24);
      color: rgba(8,45,30,.95);
      font-weight: 900;
      flex: 0 0 auto;
      margin-top: 1px;
    }

    .pill-grid{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 12px; }
    .pill{
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      color: rgba(7,56,38,.95);
      font-weight: 850;
      font-size: 12.5px;
    }
    .link-arrow{
      display:inline-flex; align-items:center; gap: 8px;
      color: rgba(15,118,110,.98);
      font-weight: 850;
      margin-top: 10px;
      text-decoration:none;
    }
    .link-arrow:hover{ text-decoration: underline; text-underline-offset: 4px; }

    .stat-card{ padding: 18px 16px; }
    .stat-icon{
      width: 42px; height: 42px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(43,182,115,.18), rgba(16,185,129,.08));
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px;
      margin-bottom: 10px;
    }
    .stat-title{ margin: 0 0 8px; font-weight: 900; }
    .stat-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.65; font-size: 14.5px; }

    .model-strip{
      margin-top: 16px;
      border: 1px dashed rgba(19,39,35,.14);
      background: rgba(255,255,255,.45);
      border-radius: var(--radius);
      padding: 14px;
      overflow:hidden;
    }
    .model-row{
      display:flex; gap: 12px; align-items:center; flex-wrap:wrap;
    }
    .model-title{ font-weight: 900; color: rgba(11,42,33,.95); }
    .model-tags{ display:flex; flex-wrap:wrap; gap: 10px; }
    .tag{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.58);
      color: rgba(31,41,55,.80);
      font-weight: 800;
      font-size: 12.5px;
    }

    .steps{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 16px;
    }
    .step{
      background: rgba(255,255,255,.68);
      border: 1px solid rgba(19,39,35,.12);
      border-radius: var(--radius);
      box-shadow: 0 10px 20px rgba(16,24,40,.06);
      padding: 14px 14px 16px;
      position: relative;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .step:hover{ transform: translateY(-2px); box-shadow: 0 18px 44px rgba(16,24,40,.10); }
    .step-num{
      font-weight: 950;
      color: rgba(15,118,110,.98);
      letter-spacing: .6px;
      margin-bottom: 10px;
      font-size: 14px;
    }
    .step-title{ margin: 0 0 8px; font-size: 15px; font-weight: 900; }
    .step-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.65; font-size: 14.5px; }

    .feature-card{ padding: 16px; }
    .feature-card-2{
      background:
        radial-gradient(680px 250px at 0% 0%, rgba(43,182,115,.16), rgba(43,182,115,0) 55%),
        rgba(255,255,255,.68);
    }
    .feature-head{ display:flex; align-items:center; gap: 10px; }
    .feature-icon{
      width: 42px; height: 42px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .feature-title{ margin:0; font-weight: 920; }
    .feature-desc{ margin: 10px 0 0; color: rgba(31,41,55,.78); line-height: 1.7; font-size: 14.5px; }
    .mini-actions{ margin-top: 10px; }

    .industry-grid{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px; margin-top: 16px;
    }
    .industry-top{ display:flex; align-items:center; gap: 10px; margin-bottom: 10px; }
    .industry-icon{
      width: 42px; height: 42px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px;
    }
    .industry-title{ margin:0; font-weight: 920; }
    .bullets{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap: 10px; color: rgba(31,41,55,.84); }
    .bullets li{ position:relative; padding-left: 18px; line-height: 1.65; }
    .bullets li::before{
      content:"";
      position:absolute; left:0; top: 10px;
      width: 9px; height: 9px; border-radius: 3px;
      background: rgba(43,182,115,.95);
      box-shadow: 0 0 0 5px rgba(43,182,115,.14);
      transform: translateY(-50%);
    }

    .callout{
      display:flex; justify-content:space-between; align-items:center;
      gap: 16px;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(43,182,115,.22);
      background:
        radial-gradient(650px 220px at 10% 0%, rgba(43,182,115,.18), rgba(43,182,115,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      margin-top: 18px;
      box-shadow: 0 18px 40px rgba(16,24,40,.08);
    }
    .callout-title{ margin:0 0 6px; font-size: 16px; font-weight: 950; }
    .callout-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.7; }
    .callout-right{ display:flex; gap: 10px; flex-wrap:wrap; justify-content:flex-end; }

    .network-grid{
      display:grid; grid-template-columns: repeat(4, 1fr);
      gap: 14px; margin-top: 16px;
    }
    .network-card{ padding: 16px; }
    .network-row{ display:flex; gap: 12px; align-items:flex-start; }
    .network-stepIcon{
      width: 42px; height: 42px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .network-title{ margin:0 0 6px; font-weight: 950; font-size: 15px; }
    .network-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.65; font-size: 14.5px; }

    .timeline{
      display:flex; flex-direction:column; gap: 12px; margin-top: 16px;
      padding: 10px 0;
    }
    .timeline-item{
      display:flex; gap: 12px; align-items:flex-start;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 22px rgba(16,24,40,.05);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .timeline-item:hover{ transform: translateY(-2px); box-shadow: 0 18px 44px rgba(16,24,40,.10); }
    .tl-dot{
      width: 14px; height: 14px; border-radius: 5px;
      background: linear-gradient(135deg, rgba(43,182,115,1), rgba(30,168,106,1));
      box-shadow: 0 0 0 6px rgba(43,182,115,.14);
      margin-top: 6px;
      flex: 0 0 auto;
    }
    .tl-title{ margin:0 0 6px; font-weight: 980; font-size: 15px; }
    .tl-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.7; font-size: 14.5px; }
    .grid-2{ display:grid; grid-template-columns: 1fr 1.05fr; align-items:start; }
    .caps-grid{ display:flex; flex-wrap:wrap; gap: 10px; }
    .caps{
      padding: 9px 12px; border-radius: 999px;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-weight: 900; color: rgba(7,56,38,.95);
      font-size: 12.5px;
    }

    .case-grid{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 14px; margin-top: 16px;
    }
    .case-card{ padding: 0; overflow:hidden; }
    .case-media{
      height: 140px;
      background: linear-gradient(135deg, rgba(43,182,115,.16), rgba(255,255,255,.66));
      position: relative;
      border-bottom: 1px solid rgba(19,39,35,.10);
    }
    .media-placeholder{
      position:absolute; inset: 18px 16px auto 16px;
      width: calc(100% - 32px);
      height: 100px;
      border-radius: 18px;
      background:
        radial-gradient(circle at 20% 30%, rgba(43,182,115,.25), rgba(43,182,115,0) 62%),
        linear-gradient(135deg, rgba(255,255,255,.65), rgba(255,255,255,.35));
      border: 1px solid rgba(43,182,115,.18);
      box-shadow: 0 16px 36px rgba(16,24,40,.08);
      transform: translateY(0);
    }
    .media-placeholder-2{ background:
        radial-gradient(circle at 30% 30%, rgba(16,185,129,.22), rgba(16,185,129,0) 62%),
        linear-gradient(135deg, rgba(255,255,255,.65), rgba(255,255,255,.35));
    }
    .media-placeholder-3{ background:
        radial-gradient(circle at 30% 20%, rgba(43,182,115,.22), rgba(43,182,115,0) 62%),
        linear-gradient(135deg, rgba(255,255,255,.65), rgba(255,255,255,.35));
    }
    .case-body{ padding: 14px; }
    .case-title{ margin:0 0 8px; font-weight: 980; font-size: 15.5px; }
    .case-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.7; font-size: 14.5px; }
    .case-meta{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 12px; }
    .meta-pill{
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      color: rgba(15,118,110,.98);
      font-weight: 900;
      font-size: 12.5px;
    }
    .case-actions{ display:flex; gap: 12px; margin-top: 16px; flex-wrap:wrap; justify-content:flex-start; }

    .compare-grid{
      display:grid; grid-template-columns: .9fr 1.1fr;
      gap: 14px; margin-top: 16px;
      align-items:start;
    }
    .rating-card{ padding: 18px; }
    .rating-top{ display:flex; flex-direction:column; gap: 10px; }
    .rating-score{ display:flex; align-items:baseline; gap: 10px; }
    .rating-num{ font-size: 46px; font-weight: 1000; letter-spacing: -1px; color: rgba(11,42,33,.98); }
    .rating-max{ color: rgba(31,41,55,.70); font-weight: 900; }
    .stars{ font-size: 18px; letter-spacing: 2px; color: rgba(43,182,115,.95); }
    .rating-note{ font-weight: 900; color: rgba(15,118,110,.98); }
    .rating-list{ margin-top: 14px; display:flex; flex-direction:column; gap: 12px; }
    .rating-item{
      display:flex; gap: 12px; align-items:flex-start;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      border-radius: 16px; padding: 12px;
    }
    .ri-icon{
      width: 40px; height: 40px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px; flex: 0 0 auto;
    }
    .ri-title{ font-weight: 980; margin-bottom: 4px; }
    .ri-desc{ color: rgba(31,41,55,.78); line-height: 1.6; font-size: 14.5px; }

    .compare-table-wrap{ padding: 18px; }
    .compare-table-head{ margin-bottom: 12px; }
    .compare-table-title{ font-weight: 980; font-size: 16px; }
    .compare-table-sub{ color: var(--muted); font-size: 13.5px; margin-top: 6px; }
    .table-scroll{ overflow:auto; border-radius: 16px; border:1px solid rgba(19,39,35,.12); background: rgba(255,255,255,.64); }
    .compare-table{
      width: 100%;
      border-collapse: collapse;
      min-width: 760px;
    }
    .compare-table th, .compare-table td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(19,39,35,.10);
      text-align:left;
      vertical-align: top;
      font-size: 14.5px;
    }
    .compare-table th{
      background: rgba(43,182,115,.10);
      color: rgba(11,42,33,.96);
      font-weight: 980;
    }
    .compare-table tbody tr:last-child td{ border-bottom: none; }
    .compare-actions{ display:flex; gap: 12px; margin-top: 14px; flex-wrap:wrap; }

    .form-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap: 14px; align-items:start; margin-top: 16px; }
    .form-card{ padding: 18px; }
    .form-head{ margin-bottom: 10px; }
    .form{ display:flex; flex-direction:column; gap: 12px; margin-top: 10px; }
    .field-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .field{ display:flex; flex-direction:column; gap: 8px; }
    .field-label{ font-weight: 900; font-size: 13.5px; color: rgba(11,42,33,.95); }
    .input, .textarea, select.input{
      width:100%;
      border-radius: 14px;
      border: 1px solid rgba(19,39,35,.16);
      background: rgba(255,255,255,.75);
      padding: 12px 12px;
      outline:none;
      font-size: 14.5px;
      color: rgba(17,24,39,.92);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.45);
      transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
    }
    .input:focus, .textarea:focus{
      border-color: rgba(43,182,115,.45);
      box-shadow: 0 0 0 4px rgba(43,182,115,.16);
    }
    .textarea{ resize: vertical; min-height: 110px; }
    .form-foot{ display:flex; flex-direction:column; gap: 8px; margin-top: 4px; }
    .form-note{ color: var(--muted); font-size: 13.5px; line-height: 1.6; }

    .side-card{ padding: 18px; background:
      radial-gradient(600px 250px at 0% 0%, rgba(43,182,115,.14), rgba(43,182,115,0) 55%),
      rgba(255,255,255,.68);
    }
    .side-head{ margin-bottom: 10px; }
    .side-list{ display:flex; flex-direction:column; gap: 12px; margin-top: 12px; }
    .side-item{ display:flex; gap: 12px; align-items:flex-start; }
    .side-ico{
      width: 36px; height: 36px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.14);
      border: 1px solid rgba(43,182,115,.24);
      font-weight: 980; color: rgba(11,42,33,.95);
      flex: 0 0 auto;
    }
    .side-title{ font-weight: 980; margin-bottom: 4px; }
    .side-desc{ color: rgba(31,41,55,.78); line-height: 1.6; font-size: 14.5px; }

    .side-cta{ display:flex; flex-direction:column; gap: 10px; margin-top: 14px; }
    .side-divider{ height:1px; background: rgba(19,39,35,.12); margin: 14px 0; }
    .contact-card{
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      border-radius: 16px;
      padding: 12px;
    }
    .contact-title{ font-weight: 980; margin-bottom: 10px; }
    .contact-row{ display:flex; justify-content:space-between; gap: 10px; margin: 8px 0; align-items:center; }
    .contact-k{ color: var(--muted); font-size: 13.5px; }
    .contact-v{ color: rgba(11,42,33,.95); font-weight: 900; text-decoration:none; }
    .wechat-row{ display:flex; gap: 12px; align-items:center; margin-top: 10px; }
    .wechat-img{ width: 78px; height:auto; border-radius: 14px; border: 1px solid rgba(19,39,35,.12); background:#fff; padding: 6px; }

    .token-grid{
      display:grid; grid-template-columns: 1fr 1fr;
      gap: 14px; margin-top: 16px;
      align-items:start;
    }
    .token-head{ display:flex; align-items:center; gap: 12px; }
    .token-icon{
      width: 44px; height: 44px; border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.14);
      border: 1px solid rgba(43,182,115,.24);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .token-title{ margin:0; font-weight: 1000; }
    .number-steps{ list-style:none; padding:0; margin: 12px 0 0; display:flex; flex-direction:column; gap: 12px; }
    .number-steps li{ display:flex; gap: 12px; align-items:flex-start; }
    .ns-num{
      width: 34px; height: 34px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-weight: 1000; color: rgba(11,42,33,.95);
      flex: 0 0 auto;
    }
    .ns-title{ font-weight: 980; margin-bottom: 4px; }
    .ns-desc{ color: rgba(31,41,55,.78); line-height: 1.6; font-size: 14.5px; }
    .token-actions{ display:flex; gap: 12px; margin-top: 14px; flex-wrap:wrap; }

    .price-card{ padding: 18px; }
    .price-box{
      margin-top: 12px;
      border-radius: 16px;
      border: 1px solid rgba(19,39,35,.12);
      overflow:hidden;
      background: rgba(255,255,255,.62);
    }
    .price-row{
      display:flex; justify-content:space-between; gap: 10px;
      padding: 12px 12px;
      border-bottom: 1px solid rgba(19,39,35,.10);
      font-size: 14.5px;
    }
    .price-row:last-child{ border-bottom:none; }
    .price-alt{ background: rgba(43,182,115,.06); }
    .price-k{ color: rgba(11,42,33,.95); font-weight: 950; }
    .price-v{ color: rgba(31,41,55,.80); font-weight: 800; text-align:right; }
    .note-box{
      margin-top: 14px;
      border-radius: 16px;
      padding: 12px;
      background: rgba(43,182,115,.10);
      border: 1px solid rgba(43,182,115,.20);
    }
    .note-title{ font-weight: 980; margin-bottom: 6px; }
    .note-desc{ color: rgba(31,41,55,.78); line-height: 1.7; font-size: 14.5px; margin:0; }

    .train-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
    .train-tags{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 12px; }
    .train-head{ display:flex; align-items:center; gap: 12px; margin-bottom: 8px; }
    .train-icon{
      width: 44px; height: 44px; border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .train-title{ margin:0; font-weight: 1000; }
    .train-actions{ display:flex; gap: 12px; margin-top: 14px; flex-wrap:wrap; }

    .help-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
    .help-card{ padding: 18px; }
    .small-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
    .small-stat{
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      border-radius: 16px;
      padding: 12px;
    }
    .small-k{ width: 26px; height: 26px; border-radius: 12px; display:flex; align-items:center; justify-content:center; background: rgba(43,182,115,.12); border:1px solid rgba(43,182,115,.22); font-weight: 980; color: rgba(11,42,33,.95); }
    .small-v{ margin-top: 8px; font-weight: 950; color: rgba(11,42,33,.95); }

    .faq-grid{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap: 12px; margin-top: 16px;
    }
    .faq-col{ display:flex; flex-direction:column; gap: 10px; }
    .faq-item{
      width:100%;
      text-align:left;
      border-radius: 16px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.66);
      padding: 12px 12px;
      cursor:pointer;
      display:flex; align-items:center; justify-content:space-between;
      gap: 12px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      font-weight: 950;
      color: rgba(11,42,33,.95);
    }
    .faq-item:hover{ transform: translateY(-1px); box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(43,182,115,.22); }
    .faq-q{ font-size: 14.5px; line-height: 1.55; }
    .faq-icon{ font-size: 18px; color: rgba(15,118,110,.98); }
    .faq-a{
      border-radius: 16px;
      border: 1px solid rgba(19,39,35,.10);
      background: rgba(255,255,255,.52);
      padding: 12px 12px;
      color: rgba(31,41,55,.82);
      line-height: 1.75;
      font-size: 14.5px;
      margin-top: -2px;
      margin-bottom: 10px;
    }

    .faq-bottom{
      margin-top: 16px;
      border: 1px solid rgba(43,182,115,.22);
      border-radius: var(--radius);
      padding: 16px;
      background: rgba(255,255,255,.66);
      display:flex; justify-content:space-between; gap: 12px; align-items:center;
      flex-wrap:wrap;
    }
    .faq-bottom-right{ display:flex; gap: 12px; flex-wrap:wrap; }

    .wiki-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 16px; }
    .wiki-card{ padding: 18px; }
    .wiki-title{ margin:0 0 8px; font-weight: 1000; }
    .wiki-desc{ margin:0; color: rgba(31,41,55,.78); line-height: 1.75; font-size: 14.5px; }

    .tag-cloud{
      margin-top: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.58);
      padding: 14px;
    }
    .cloud-title{ font-weight: 1000; margin-bottom: 10px; }
    .cloud-tags{ display:flex; flex-wrap:wrap; gap: 10px; }
    .cloud-tag{
      padding: 10px 12px;
      border-radius: 999px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.66);
      font-weight: 900;
      font-size: 12.5px;
      color: rgba(31,41,55,.80);
    }

    .article-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 14px; margin-top: 16px; }
    .article-list-card{ padding: 18px; }
    .article-head{ display:flex; flex-direction:column; gap: 6px; margin-bottom: 10px; }
    .article-links{ display:flex; flex-direction:column; gap: 10px; margin-top: 8px; }
    .article-link{
      text-decoration:none;
      border-radius: 16px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      padding: 12px 12px;
      color: rgba(11,42,33,.95);
      font-weight: 900;
      line-height: 1.55;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .article-link:hover{ transform: translateY(-2px); box-shadow: 0 18px 44px rgba(16,24,40,.10); border-color: rgba(43,182,115,.22); }

    .article-side-card{ padding: 18px; background:
      radial-gradient(700px 250px at 0% 0%, rgba(43,182,115,.14), rgba(43,182,115,0) 55%),
      rgba(255,255,255,.66);
    }
    .side-thumb{
      border-radius: 18px;
      border: 1px solid rgba(19,39,35,.12);
      background:
        linear-gradient(135deg, rgba(43,182,115,.18), rgba(255,255,255,.64));
      padding: 16px;
      position: relative;
      overflow:hidden;
      box-shadow: 0 18px 40px rgba(16,24,40,.08);
    }
    .side-thumb::after{
      content:"";
      position:absolute; inset:-60px auto auto -60px;
      width: 220px; height: 220px;
      background: radial-gradient(circle at 30% 30%, rgba(43,182,115,.24), rgba(43,182,115,0) 62%);
      transform: rotate(10deg);
      pointer-events:none;
    }
    .thumb-badge{
      display:inline-flex;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(43,182,115,.25);
      background: rgba(255,255,255,.66);
      font-weight: 980;
      color: rgba(15,118,110,.98);
      font-size: 12.5px;
      margin-bottom: 10px;
      position: relative;
      z-index: 1;
    }
    .thumb-text{ position: relative; z-index: 1; }
    .thumb-title{ margin:0; font-weight: 1000; }
    .thumb-desc{ margin:8px 0 0; color: rgba(31,41,55,.78); line-height: 1.7; font-size: 14.5px; }

    .side-checks{ margin-top: 14px; display:flex; flex-direction:column; gap: 12px; }
    .side-check{
      display:flex; gap: 12px; align-items:flex-start;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      border-radius: 16px;
      padding: 12px;
    }
    .sc-ico{
      width: 34px; height: 34px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-weight: 1000; color: rgba(11,42,33,.95);
      flex: 0 0 auto;
    }
    .sc-title{ font-weight: 1000; margin-bottom: 4px; }
    .sc-desc{ color: rgba(31,41,55,.78); line-height: 1.65; font-size: 14.5px; }
    .side-links{ margin-top: 14px; display:flex; flex-direction:column; gap: 8px; }

    .comments-head{ margin-top: 18px; margin-bottom: 12px; display:flex; flex-direction:column; gap: 6px; }
    .comment-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .comment-card{ padding: 16px; }
    .comment-top{ display:flex; align-items:center; gap: 12px; margin-bottom: 10px; }
    .avatar{
      width: 44px; height: 44px; border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.14);
      border: 1px solid rgba(43,182,115,.22);
      font-weight: 1000;
      color: rgba(11,42,33,.95);
      flex: 0 0 auto;
    }
    .comment-name{ font-weight: 1000; }
    .comment-meta{ color: var(--muted); font-size: 13.5px; margin-top: 4px; }
    .comment-text{ margin:0; color: rgba(31,41,55,.82); line-height: 1.75; font-size: 14.5px; }

    .contact-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 14px; margin-top: 16px; align-items:start; }
    .contact-card{ padding: 18px; }
    .contact-side{ padding: 18px; background:
      radial-gradient(700px 260px at 0% 0%, rgba(43,182,115,.14), rgba(43,182,115,0) 55%),
      rgba(255,255,255,.66);
    }
    .contact-side-head{ margin-bottom: 12px; }
    .contact-list{ display:flex; flex-direction:column; gap: 10px; margin-top: 4px; }
    .kv{
      display:flex; justify-content:space-between; gap: 10px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.62);
      border-radius: 16px;
      padding: 12px;
      align-items:center;
    }
    .kv .k{ color: var(--muted); font-size: 13.5px; font-weight: 850; }
    .kv .v{ color: rgba(11,42,33,.95); font-weight: 950; text-decoration:none; }

    .wechat-cta{
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      border: 1px solid rgba(43,182,115,.22);
      background: rgba(255,255,255,.60);
      border-radius: var(--radius);
      padding: 14px;
      margin-top: 14px;
    }
    .wechat-cta-left .k{ color: var(--muted); font-weight: 850; }
    .wechat-cta-left .v{ color: rgba(11,42,33,.95); font-weight: 1000; margin-top: 6px; }
    .kefu-img{
      width: 90px; height:auto;
      border-radius: 16px;
      border: 1px solid rgba(19,39,35,.12);
      background:#fff;
      padding: 6px;
    }

    .side-mini{ margin-top: 14px; }
    .mini-title{ font-weight: 1000; margin-bottom: 10px; color: rgba(11,42,33,.95); }
    .mini-links{ display:flex; gap: 12px; flex-wrap:wrap; }

    .join-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
    .join-card{ padding: 18px; }
    .join-card-2{ padding: 18px; background:
      radial-gradient(700px 260px at 100% 0%, rgba(43,182,115,.14), rgba(43,182,115,0) 55%),
      rgba(255,255,255,.66);
    }
    .join-head{ display:flex; align-items:center; gap: 12px; margin-bottom: 10px; }
    .join-icon{
      width: 44px; height: 44px; border-radius: 18px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-size: 18px;
      flex: 0 0 auto;
    }
    .join-title{ margin:0; font-weight: 1000; }
    .support-list{ display:flex; flex-direction:column; gap: 12px; margin-top: 12px; }
    .support-item{ display:flex; gap: 12px; align-items:flex-start; }
    .sup-ico{
      width: 34px; height: 34px; border-radius: 16px;
      display:flex; align-items:center; justify-content:center;
      background: rgba(43,182,115,.12);
      border: 1px solid rgba(43,182,115,.22);
      font-weight: 1000; color: rgba(11,42,33,.95);
      flex: 0 0 auto;
    }
    .sup-title{ font-weight: 1000; margin-bottom: 4px; }
    .sup-desc{ color: rgba(31,41,55,.78); line-height: 1.65; font-size: 14.5px; }
    .join-actions{ display:flex; gap: 12px; margin-top: 14px; flex-wrap:wrap; }

    .footer-links{ padding: 26px 0 0; }
    .footer-outer{
      border: 1px solid rgba(19,39,35,.12);
      border-radius: var(--radius);
      background: rgba(255,255,255,.60);
      padding: 16px;
      box-shadow: 0 18px 44px rgba(16,24,40,.06);
    }
    .friends-head{ display:flex; justify-content:space-between; gap: 10px; align-items:flex-end; flex-wrap:wrap; margin-bottom: 12px; }
    .friends-grid{ display:grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
    .friend-item{
      border-radius: 16px;
      border: 1px solid rgba(19,39,35,.12);
      background: rgba(255,255,255,.65);
      padding: 10px 10px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      min-height: 44px;
      display:flex; align-items:center;
      justify-content:center;
    }
    .friend-item a{
      text-decoration:none;
      color: rgba(11,42,33,.95);
      font-weight: 950;
      font-size: 13.5px;
      white-space: nowrap;
    }
    .friend-item:hover{ transform: translateY(-2px); box-shadow: 0 16px 34px rgba(16,24,40,.10); border-color: rgba(43,182,115,.22); }

    .site-footer{
      margin-top: 28px;
      background: #0b2a21;
      color: #e7f6ef;
      border-top: 1px solid rgba(255,255,255,.10);
    }
    .footer-container{ padding: 28px 0 18px; }
    .footer-top{ display:flex; justify-content:space-between; gap: 14px; align-items:flex-start; flex-wrap:wrap; }
    .footer-brand{ display:flex; gap: 12px; align-items:center; }
    .footer-logo-wrap{ width: 46px; height: 46px; border-radius: 18px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.16); display:flex; align-items:center; justify-content:center; }
    .footer-logo{ width: 34px; height: 34px; object-fit: contain; }
    .footer-name{ font-weight: 1000; font-size: 16px; }
    .footer-sub{ color: rgba(231,246,239,.72); margin-top: 4px; font-size: 13.5px; }
    .footer-cols{ display:flex; gap: 22px; flex-wrap:wrap; }
    .footer-col{ min-width: 160px; }
    .footer-col-title{ font-weight: 1000; margin-bottom: 10px; color: rgba(231,246,239,.92); }
    .footer-link{
      display:block;
      color: rgba(231,246,239,.78);
      text-decoration:none;
      padding: 7px 0;
      font-weight: 750;
      font-size: 13.5px;
      transition: color .15s ease;
    }
    .footer-link:hover{ color: rgba(231,246,239,.98); text-decoration: underline; text-underline-offset: 4px; }
    .footer-bottom{
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px solid rgba(255,255,255,.12);
      display:flex; justify-content:space-between; gap: 12px; align-items:center; flex-wrap:wrap;
    }
    .copyright{ color: rgba(231,246,239,.75); font-weight: 750; font-size: 13.5px; }
    .footer-right{ display:flex; gap: 10px; align-items:center; }
    .footer-home{
      color: rgba(231,246,239,.88);
      text-decoration:none;
      padding: 10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      font-weight: 900;
      font-size: 13.5px;
      transition: transform .15s ease, background .15s ease;
    }
    .footer-home:hover{ transform: translateY(-1px); background: rgba(255,255,255,.10); }
    .to-top{
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color: rgba(231,246,239,.88);
      padding: 10px 12px;
      font-weight: 1000;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease;
    }
    .to-top:hover{ transform: translateY(-1px); background: rgba(255,255,255,.10); }

    .float-bar{
      position: fixed;
      right: 16px; bottom: 16px;
      display:flex; flex-direction:column; gap: 10px;
      z-index: 60;
    }
    .float-item{
      width: 56px; height: 56px;
      border-radius: 18px;
      border: 1px solid rgba(19,39,35,.14);
      background: rgba(255,255,255,.78);
      color: rgba(11,42,33,.95);
      font-weight: 950;
      cursor:pointer;
      box-shadow: 0 18px 40px rgba(16,24,40,.14);
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      display:flex; align-items:center; justify-content:center;
      padding: 0 10px;
    }
    .float-item:hover{ transform: translateY(-2px); box-shadow: 0 22px 54px rgba(16,24,40,.18); border-color: rgba(43,182,115,.28); }
    .float-item-primary{
      background: linear-gradient(135deg, rgba(43,182,115,1), rgba(30,168,106,1));
      color: #fff;
      border-color: rgba(43,182,115,.35);
      width: auto; height: 56px;
      padding: 0 16px;
    }

    .kefu-modal[hidden]{ display:none; }
    .kefu-modal{
      position: fixed;
      inset: 0;
      z-index: 70;
    }
    .kefu-modal-backdrop{
      position:absolute; inset:0;
      background: rgba(2, 6, 23, .55);
      backdrop-filter: blur(6px);
    }
    .kefu-modal-panel{
      position: relative;
      width: min(520px, calc(100% - 24px));
      margin: 10vh auto 0;
      background: rgba(255,255,255,.92);
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.20);
      box-shadow: 0 28px 80px rgba(0,0,0,.30);
      overflow:hidden;
    }
    .kefu-modal-head{
      padding: 14px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap: 12px;
      border-bottom: 1px solid rgba(19,39,35,.12);
      background:
        radial-gradient(640px 220px at 0% 0%, rgba(43,182,115,.20), rgba(43,182,115,0) 55%),
        rgba(255,255,255,.85);
    }
    .kefu-modal-title{ font-weight: 1000; color: rgba(11,42,33,.95); }
    .kefu-close{
      width: 38px; height: 38px;
      border-radius: 14px;
      border: 1px solid rgba(19,39,35,.14);
      background: rgba(255,255,255,.70);
      cursor:pointer;
      font-size: 18px;
      font-weight: 1000;
      color: rgba(11,42,33,.95);
      transition: transform .15s ease;
    }
    .kefu-close:hover{ transform: translateY(-1px); }
    .kefu-modal-body{ padding: 16px; }
    .kefu-modal-img{
      width: 200px; height:auto; display:block; margin: 0 auto;
      border-radius: 18px;
      border: 1px solid rgba(19,39,35,.12);
      background:#fff; padding: 8px;
    }
    .kefu-modal-foot{
      margin-top: 14px;
      display:flex; align-items:center; justify-content:space-between; gap: 12px;
      flex-wrap:wrap;
    }
    .mini-contact{ display:flex; flex-direction:column; gap: 6px; min-width: 220px; }
    .mc-row{ display:flex; justify-content:space-between; gap: 10px; align-items:center; }
    .mc-k{ color: var(--muted); font-weight: 850; font-size: 13.5px; }
    .mc-v{ color: rgba(11,42,33,.95); font-weight: 1000; text-decoration:none; }

    .ai-page-home-link-inline{
      position: fixed;
      left: 16px; bottom: 16px;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.76);
      border: 1px solid rgba(19,39,35,.14);
      color: rgba(11,42,33,.95);
      text-decoration:none;
      font-weight: 1000;
      box-shadow: 0 18px 40px rgba(16,24,40,.12);
      z-index: 60;
      transition: transform .15s ease;
    }
    .ai-page-home-link-inline:hover{ transform: translateY(-2px); }

    .reveal{
      opacity: 0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.in{
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-right{ order: 2; }
      .nav-links{ display:none; }
      .nav-toggle{ display:flex; }
      .mobile-menu{ display:block; }
      .mobile-menu[aria-hidden="true"]{ display:none; }
      .mobile-menu[aria-hidden="false"]{ display:block; }
      .split-grid{ grid-template-columns: 1fr; }
      .three-grid{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr 1fr; }
      .two-grid{ grid-template-columns: 1fr; }
      .industry-grid{ grid-template-columns: 1fr; }
      .network-grid{ grid-template-columns: 1fr 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .compare-grid{ grid-template-columns: 1fr; }
      .form-grid{ grid-template-columns: 1fr; }
      .token-grid{ grid-template-columns: 1fr; }
      .train-grid{ grid-template-columns: 1fr; }
      .help-grid{ grid-template-columns: 1fr; }
      .faq-grid{ grid-template-columns: 1fr; }
      .wiki-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .comment-grid{ grid-template-columns: 1fr; }
      .contact-grid{ grid-template-columns: 1fr; }
      .join-grid{ grid-template-columns: 1fr; }
      .friends-grid{ grid-template-columns: repeat(2, 1fr); }
      .ai-page-home-link-inline{ display:none; }
      .float-bar{ right: 12px; bottom: 12px; }
    }

    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .kicker-dot{ animation:none; }
      .reveal{ transition:none; }
      .reveal{ opacity: 1; transform:none; }
      *{ scroll-behavior:auto; }
    }