:root{
      --bg0:#ffffff;
      --bg1:#fff7d6;
      --bg2:#fff2b8;
      --text:#151515;
      --muted:#565656;
      --muted2:#777;
      --border:rgba(15,15,15,.12);
      --border2:rgba(15,15,15,.08);
      --shadow: 0 10px 30px rgba(15,15,15,.08);
      --shadow2: 0 6px 18px rgba(15,15,15,.10);
      --yellow:#f6c316;
      --yellow2:#ffdf6b;
      --amber:#f59e0b;
      --blue:#2563eb;
      --blue2:#1d4ed8;
      --ring: rgba(245,158,11,.35);
      --card:#ffffff;
      --chip:#fff1bf;
      --chipText:#6b4a00;
      --radius:18px;
      --radius2:24px;
      --container: 1120px;
      --padX: 20px;
    }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      background:
        radial-gradient(1200px 600px at 15% -10%, rgba(246,195,22,.22), transparent 55%),
        radial-gradient(900px 500px at 85% 0%, rgba(37,99,235,.10), transparent 60%),
        linear-gradient(180deg, #fff 0%, #fff8dd 42%, #ffffff 100%);
      color:var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      line-height:1.55;
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--padX);
    }
    .topbar{
      position: sticky;
      top:0;
      z-index:50;
      background: rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(15,15,15,.08);
    }
    .topbar-inner{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 0 var(--padX);
      max-width: var(--container);
      margin:0 auto;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 180px;
    }
    .ai-page-logo{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:12px;
      background: linear-gradient(135deg, rgba(246,195,22,.35), rgba(37,99,235,.10));
      border: 1px solid rgba(15,15,15,.08);
      padding:6px;
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted2);
    }

    .nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:nowrap;
      justify-content:flex-end;
      flex:1;
    }
    .nav a{
      padding:10px 10px;
      border-radius:12px;
      color:rgba(15,15,15,.86);
      font-size:13px;
      white-space:nowrap;
      transition: background .2s, transform .2s;
    }
    .nav a:hover{
      background: rgba(246,195,22,.18);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 14px;
      border-radius:14px;
      border: 1px solid rgba(15,15,15,.10);
      background: #fff;
      color: var(--text);
      font-weight:650;
      font-size:13.5px;
      cursor:pointer;
      transition: transform .18s, box-shadow .18s, background .18s, border-color .18s;
      user-select:none;
      -webkit-tap-highlight-color: transparent;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(15,15,15,.10);
      border-color: rgba(15,15,15,.16);
    }
    .btn:focus-visible{
      outline:3px solid var(--ring);
      outline-offset:3px;
    }
    .btn-primary{
      background: linear-gradient(180deg, #ffd44d 0%, #f6c316 100%);
      border-color: rgba(245,158,11,.55);
      box-shadow: 0 10px 24px rgba(246,195,22,.25);
    }
    .btn-primary:hover{
      box-shadow: 0 16px 34px rgba(246,195,22,.30);
      background: linear-gradient(180deg, #ffe07a 0%, #f6c316 100%);
    }
    .btn-ghost{
      background: rgba(255,255,255,.78);
    }
    .btn-small{
      padding:10px 12px;
      border-radius:13px;
      font-size:13px;
    }
    .burger{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(15,15,15,.10);
      background:#fff;
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .18s, box-shadow .18s;
      -webkit-tap-highlight-color: transparent;
    }
    .burger:hover{ transform: translateY(-1px); box-shadow: 0 10px 20px rgba(15,15,15,.08); }
    .burger span{
      width:18px; height:2px; background: rgba(15,15,15,.78); display:block; position:relative;
    }
    .burger span:before,.burger span:after{
      content:""; position:absolute; left:0; width:18px; height:2px; background: rgba(15,15,15,.78);
      transition: transform .2s, top .2s, opacity .2s;
    }
    .burger span:before{ top:-6px; }
    .burger span:after{ top:6px; }
    .burger[aria-expanded="true"] span{ background: transparent; }
    .burger[aria-expanded="true"] span:before{ top:0; transform: rotate(45deg); }
    .burger[aria-expanded="true"] span:after{ top:0; transform: rotate(-45deg); }

    .mobile-panel{
      display:none;
      border-top:1px solid rgba(15,15,15,.08);
      background: rgba(255,255,255,.86);
      backdrop-filter: blur(10px);
    }
    .mobile-panel .container{
      padding: 12px var(--padX) 16px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .mobile-links{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
    }
    .mobile-links a{
      border:1px solid rgba(15,15,15,.10);
      border-radius:14px;
      padding:12px 12px;
      background: #fff;
      font-size:13px;
      color: rgba(15,15,15,.88);
      transition: transform .18s, box-shadow .18s, border-color .18s;
    }
    .mobile-links a:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(15,15,15,.08);
      border-color: rgba(246,195,22,.5);
    }
    .hero{
      padding: 30px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-left{
      padding: 26px 22px;
      border-radius: var(--radius2);
      border: 1px solid rgba(15,15,15,.10);
      background:
        radial-gradient(1200px 500px at 0% 0%, rgba(246,195,22,.30), transparent 55%),
        radial-gradient(900px 450px at 90% 20%, rgba(37,99,235,.12), transparent 58%),
        linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(255,255,255,.65) 100%);
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-left:after{
      content:"";
      position:absolute;
      right:-120px;
      top:-140px;
      width:340px;
      height:340px;
      background: radial-gradient(circle at 30% 30%, rgba(246,195,22,.65), rgba(246,195,22,0) 60%);
      filter: blur(2px);
      pointer-events:none;
      transform: rotate(12deg);
    }
    .hero-eyebrow{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:12px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border: 1px solid rgba(245,158,11,.45);
      background: rgba(255,223,107,.35);
      color:#6b4a00;
      font-weight:700;
      font-size:12.5px;
    }
    .pill svg{ width:16px; height:16px; }
    .hero h1{
      margin: 6px 0 10px;
      font-size: 34px;
      line-height:1.15;
      letter-spacing: -0.4px;
    }
    .hero-sub{
      margin:0;
      color: rgba(15,15,15,.80);
      font-size:15.5px;
      max-width: 56ch;
    }
    .hero-actions{
      margin-top:18px;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
    }
    .hero-meta{
      margin-top:16px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      color: var(--muted);
      font-size:13px;
    }
    .meta-item{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius: 14px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.72);
    }
    .meta-dot{
      width:10px; height:10px; border-radius:999px;
      background: linear-gradient(180deg, #ffd44d 0%, #f6c316 100%);
      box-shadow: 0 0 0 3px rgba(246,195,22,.22);
    }

    .hero-right{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,15,15,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.65) 100%);
      box-shadow: var(--shadow);
      padding: 18px;
      display:flex;
      flex-direction:column;
      gap:12px;
      position:relative;
      overflow:hidden;
    }
    .hero-right:before{
      content:"";
      position:absolute;
      left:-120px;
      bottom:-160px;
      width:320px;
      height:320px;
      background: radial-gradient(circle at 35% 35%, rgba(37,99,235,.22), rgba(37,99,235,0) 60%);
      pointer-events:none;
    }
    .mini-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      position:relative;
      z-index:2;
    }
    .mini-title h2{
      margin:0;
      font-size:15px;
      color: rgba(15,15,15,.88);
      letter-spacing:.2px;
    }
    .status{
      font-size:12.5px;
      color:#6b4a00;
      font-weight:800;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(255,223,107,.45);
      border:1px solid rgba(245,158,11,.45);
      white-space:nowrap;
    }
    .data-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      position:relative;
      z-index:2;
    }
    .data-card{
      border-radius: 18px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.74);
      padding: 14px 14px 13px;
      transition: transform .2s, box-shadow .2s, border-color .2s;
      min-height:92px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(15,15,15,.10);
      border-color: rgba(246,195,22,.5);
    }
    .data-card .k{
      font-weight:950;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .data-card .v{
      color: var(--muted);
      font-size:12.5px;
    }
    .hero-bullets{
      border-radius: 18px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.68);
      padding: 14px 14px;
      position:relative;
      z-index:2;
    }
    .hero-bullets ul{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .hero-bullets li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color: rgba(15,15,15,.86);
      font-size:13.5px;
    }
    .check{
      width:18px; height:18px; border-radius:6px;
      display:inline-flex;
      align-items:center; justify-content:center;
      background: rgba(246,195,22,.22);
      border: 1px solid rgba(245,158,11,.40);
      flex:0 0 auto;
      margin-top:1px;
    }
    .section{
      padding: 44px 0 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom: 16px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      max-width: 62ch;
      font-size:14.5px;
    }
    .cards-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .card{
      border-radius: var(--radius);
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 8px 22px rgba(15,15,15,.06);
      padding: 16px;
      transition: transform .2s, box-shadow .2s, border-color .2s;
      position:relative;
      overflow:hidden;
    }
    .card:before{
      content:"";
      position:absolute;
      inset:-1px;
      background: radial-gradient(500px 220px at 0% 0%, rgba(246,195,22,.18), transparent 60%);
      opacity:.8;
      pointer-events:none;
    }
    .card > *{ position:relative; z-index:1; }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 32px rgba(15,15,15,.10);
      border-color: rgba(246,195,22,.55);
    }
    .card .icon{
      width:42px; height:42px;
      border-radius: 14px;
      border:1px solid rgba(15,15,15,.10);
      background: linear-gradient(180deg, rgba(255,223,107,.55), rgba(246,195,22,.18));
      display:flex; align-items:center; justify-content:center;
      margin-bottom: 10px;
    }
    .card h3{
      margin:0 0 6px;
      font-size:16px;
      letter-spacing:-.1px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size:13.8px;
    }
    .split{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .panel{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      padding: 18px;
      overflow:hidden;
      position:relative;
    }
    .panel:before{
      content:"";
      position:absolute;
      right:-140px;
      top:-140px;
      width:320px; height:320px;
      background: radial-gradient(circle at 35% 35%, rgba(246,195,22,.30), rgba(246,195,22,0) 62%);
      pointer-events:none;
    }
    .panel > *{ position:relative; z-index:1; }
    .list{
      margin:0; padding:0; list-style:none;
      display:grid;
      gap:10px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:12px 12px;
      border-radius: 16px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.66);
    }
    .li strong{ font-size:13.8px; }
    .li span{ color:var(--muted); font-size:13.2px; display:block; margin-top:4px; }
    .badge{
      font-size:12px;
      font-weight:800;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(37,99,235,.10);
      border:1px solid rgba(37,99,235,.25);
      color: #1d4ed8;
      white-space:nowrap;
      align-self:flex-start;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:12px;
    }
    .step{
      border-radius: 18px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      padding: 14px 14px;
      min-height:148px;
      transition: transform .2s, box-shadow .2s, border-color .2s;
    }
    .step:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 32px rgba(15,15,15,.10);
      border-color: rgba(246,195,22,.55);
    }
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .step-num{
      width:34px; height:34px;
      border-radius: 13px;
      border:1px solid rgba(245,158,11,.40);
      background: rgba(255,223,107,.45);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:#6b4a00;
      font-size:13px;
    }
    .step h3{ margin:0 0 6px; font-size:15px; letter-spacing:-.1px; }
    .step p{ margin:0; color:var(--muted); font-size:13.4px; }

    .compare{
      border-radius: var(--radius2);
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      padding: 16px;
    }
    .scorebar{
      display:flex;
      gap:14px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      margin-bottom: 12px;
      padding: 8px 6px 14px;
      border-bottom: 1px dashed rgba(15,15,15,.14);
    }
    .stars{
      display:flex; gap:6px; align-items:center;
    }
    .star{
      width:22px; height:22px;
      display:inline-flex; align-items:center; justify-content:center;
      color: #6b4a00;
      background: rgba(255,223,107,.45);
      border: 1px solid rgba(245,158,11,.40);
      border-radius: 10px;
      transform: translateY(-1px);
    }
    .score-title{
      display:flex; flex-direction:column; gap:6px;
    }
    .score-title strong{
      font-size:16px;
      letter-spacing:-.1px;
    }
    .score-title span{
      color:var(--muted);
      font-size:13.2px;
    }
    .score-right{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
      color: var(--muted);
      font-size:13.5px;
    }
    .score-chip{
      padding:10px 12px;
      border-radius:999px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.66);
      font-weight:850;
      color:#6b4a00;
    }

    .table-wrap{
      overflow:auto;
      border-radius: 16px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.62);
    }
    table{
      border-collapse: collapse;
      width: 100%;
      min-width: 780px;
      font-size:13.5px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(15,15,15,.08);
      vertical-align:middle;
      color: rgba(15,15,15,.88);
      white-space:nowrap;
    }
    th{
      background: rgba(255,223,107,.25);
      position:sticky;
      top:0;
      z-index:2;
      text-align:left;
      font-weight:900;
    }
    tr:last-child td{ border-bottom:none; }
    .mark-good{
      display:inline-flex; align-items:center; gap:8px;
      font-weight:900;
      color:#6b4a00;
    }
    .mark-badge{
      width:18px; height:18px;
      border-radius:8px;
      border:1px solid rgba(245,158,11,.40);
      background: rgba(255,223,107,.45);
      display:inline-flex; align-items:center; justify-content:center;
      color:#6b4a00;
      flex:0 0 auto;
    }
    .muted-cell{
      color: var(--muted);
      font-weight:650;
    }

    .pricing-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .price-card{
      border-radius: var(--radius2);
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.80);
      padding: 16px;
      box-shadow: 0 10px 26px rgba(15,15,15,.06);
      position:relative;
      overflow:hidden;
    }
    .price-card:before{
      content:"";
      position:absolute;
      right:-160px;
      top:-160px;
      width:340px; height:340px;
      background: radial-gradient(circle at 30% 30%, rgba(246,195,22,.26), rgba(246,195,22,0) 62%);
      pointer-events:none;
    }
    .price-card > *{ position:relative; z-index:1; }
    .price-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; margin-bottom:10px;
    }
    .price-card h3{ margin:0; font-size:16px; letter-spacing:-.1px; }
    .price-tag{
      padding:8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(37,99,235,.28);
      background: rgba(37,99,235,.08);
      color:#1d4ed8;
      font-weight:900;
      font-size:12.5px;
      white-space:nowrap;
    }
    .price{
      font-size: 28px;
      font-weight:980;
      letter-spacing:-.5px;
      margin: 4px 0 6px;
    }
    .price-note{
      color:var(--muted);
      font-size:13.5px;
      margin:0 0 12px;
    }
    .chip-row{
      display:flex; flex-wrap:wrap; gap:8px;
      margin-bottom: 12px;
    }
    .chip{
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,241,191,.55);
      color: var(--chipText);
      font-weight:850;
      font-size:12.5px;
    }
    .price-actions{
      display:flex; gap:10px; flex-wrap:wrap;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    details.faq{
      border-radius: 18px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 10px 22px rgba(15,15,15,.05);
      padding: 12px 14px;
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding: 6px 2px;
      font-weight:900;
      font-size:14px;
      outline:none;
    }
    details.faq summary::-webkit-details-marker{ display:none; }
    .faq-q{
      display:flex;
      gap:10px;
      align-items:flex-start;
    }
    .faq-q .qdot{
      width:22px; height:22px;
      border-radius:10px;
      border: 1px solid rgba(245,158,11,.40);
      background: rgba(255,223,107,.45);
      display:flex; align-items:center; justify-content:center;
      color:#6b4a00;
      flex:0 0 auto;
      margin-top:1px;
      font-size:12px;
      font-weight:980;
    }
    .faq-icon{
      width:28px; height:28px;
      border-radius: 12px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.65);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s;
      flex:0 0 auto;
    }
    details[open].faq .faq-icon{ transform: rotate(45deg); }
    .faq-a{
      color: var(--muted);
      font-size:13.6px;
      margin-top:10px;
      padding-top: 10px;
      border-top: 1px dashed rgba(15,15,15,.14);
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .comment-card{
      border-radius: var(--radius2);
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.80);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(15,15,15,.06);
      position:relative;
      overflow:hidden;
    }
    .comment-card:before{
      content:"";
      position:absolute;
      left:-140px;
      bottom:-160px;
      width:320px; height:320px;
      background: radial-gradient(circle at 35% 35%, rgba(37,99,235,.16), rgba(37,99,235,0) 62%);
      pointer-events:none;
    }
    .comment-card > *{ position:relative; z-index:1; }
    .comment-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:44px; height:44px;
      border-radius: 16px;
      background: linear-gradient(180deg, rgba(255,223,107,.60), rgba(246,195,22,.18));
      border:1px solid rgba(15,15,15,.10);
      display:flex; align-items:center; justify-content:center;
      font-weight:980;
      color:#6b4a00;
      flex:0 0 auto;
    }
    .comment-who{
      display:flex; flex-direction:column; gap:4px;
    }
    .comment-who strong{ font-size:14.5px; }
    .comment-who span{ color:var(--muted2); font-size:12.8px; }
    .comment-text{
      margin:0;
      color: rgba(15,15,15,.80);
      font-size:13.6px;
    }

    .two-col{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .tag{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.70);
      font-weight:850;
      font-size:13px;
      color: rgba(15,15,15,.86);
      transition: transform .2s, border-color .2s, background .2s;
    }
    .tag:hover{
      transform: translateY(-2px);
      border-color: rgba(246,195,22,.55);
      background: rgba(255,223,107,.22);
    }

    .timeline{
      display:grid;
      gap:12px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 14px;
      border-radius: 18px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.74);
      transition: transform .2s, box-shadow .2s, border-color .2s;
    }
    .time-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 32px rgba(15,15,15,.10);
      border-color: rgba(246,195,22,.55);
    }
    .time-dot{
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(245,158,11,.40);
      background: rgba(255,223,107,.45);
      display:flex; align-items:center; justify-content:center;
      font-weight:980;
      color:#6b4a00;
      flex:0 0 auto;
      margin-top:2px;
    }
    .time-item strong{
      display:block;
      font-size:14.5px;
      margin-bottom:4px;
      letter-spacing:-.1px;
    }
    .time-item span{
      color: var(--muted);
      font-size:13.4px;
      display:block;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .article-card{
      border-radius: var(--radius2);
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(15,15,15,.06);
      display:flex;
      flex-direction:column;
      gap:10px;
      transition: transform .2s, box-shadow .2s, border-color .2s;
    }
    .article-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 32px rgba(15,15,15,.10);
      border-color: rgba(246,195,22,.55);
    }
    .article-meta{
      display:flex;
      gap:10px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .article-meta .date{
      color: var(--muted2);
      font-size:12.6px;
      font-weight:700;
    }
    .article-card h3{
      margin:0;
      font-size:15.8px;
      letter-spacing:-.1px;
    }
    .article-card p{
      margin:0;
      color: var(--muted);
      font-size:13.5px;
    }
    .article-actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:auto;
    }

    .form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top: 12px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:7px;
    }
    .field label{
      font-size:13px;
      color: rgba(15,15,15,.86);
      font-weight:800;
    }
    .input, select, textarea{
      border-radius: 14px;
      border: 1px solid rgba(15,15,15,.12);
      background: rgba(255,255,255,.78);
      padding: 12px 12px;
      font-size:14px;
      color: var(--text);
      outline:none;
      transition: border-color .18s, box-shadow .18s;
    }
    textarea{ min-height:110px; resize:vertical; }
    .input:focus, select:focus, textarea:focus{
      border-color: rgba(245,158,11,.65);
      box-shadow: 0 0 0 4px rgba(245,158,11,.16);
    }
    .form .full{ grid-column: 1 / -1; }
    .form-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px dashed rgba(15,15,15,.14);
    }
    .form-hint{
      color: var(--muted);
      font-size:13px;
      max-width: 62ch;
    }

    .partner-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
      margin-top: 12px;
    }
    .partner{
      border-radius: 18px;
      border: 1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.72);
      padding: 14px;
      transition: transform .2s, box-shadow .2s, border-color .2s;
      min-height: 112px;
    }
    .partner:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 32px rgba(15,15,15,.10);
      border-color: rgba(246,195,22,.55);
    }
    .partner strong{
      display:block;
      font-size:15px;
      margin-bottom: 6px;
      letter-spacing:-.1px;
    }
    .partner span{
      color: var(--muted);
      font-size:13.5px;
      display:block;
    }

    .img-strip{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:14px;
      align-items:stretch;
    }
    .img-card{
      border-radius: var(--radius2);
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .img-wrap{
      padding: 14px;
    }
    .img-frame{
      border-radius: 18px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.65);
      overflow:hidden;
    }
    .img-frame img{
      width:100%;
      height:auto;
      display:block;
      object-fit:contain;
    }
    .img-caption{
      padding: 0 16px 16px;
      color: var(--muted);
      font-size:13.6px;
    }

    .footer{
      margin-top: 42px;
      padding: 22px 0 26px;
      background: linear-gradient(180deg, rgba(255,223,107,.18), rgba(255,255,255,0) 70%);
      border-top: 1px solid rgba(15,15,15,.08);
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:14px;
      align-items:start;
    }
    .footer-brand{
      border-radius: var(--radius2);
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(15,15,15,.06);
    }
    .footer-brand h3{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:-.1px;
    }
    .footer-brand p{
      margin:0;
      color: var(--muted);
      font-size:13.7px;
    }
    .footer-links{
      border-radius: var(--radius2);
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.78);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(15,15,15,.06);
    }
    .footer-links h3{
      margin:0 0 10px;
      font-size:16px;
      letter-spacing:-.1px;
    }
    .friend{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .friend a{
      padding:9px 11px;
      border-radius: 999px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.70);
      color: rgba(15,15,15,.86);
      font-weight:800;
      font-size:12.6px;
      transition: transform .2s, border-color .2s, background .2s;
    }
    .friend a:hover{
      transform: translateY(-2px);
      border-color: rgba(246,195,22,.55);
      background: rgba(255,223,107,.22);
    }
    .copyright{
      margin-top: 14px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      color: var(--muted2);
      font-size:12.7px;
      padding: 0 var(--padX);
      max-width: var(--container);
      margin-left:auto;
      margin-right:auto;
    }

    .float-kefu{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width:54px; height:54px;
      border-radius: 18px;
      border:1px solid rgba(15,15,15,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 16px 34px rgba(15,15,15,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .18s, box-shadow .18s, border-color .18s;
      -webkit-tap-highlight-color: transparent;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      border-color: rgba(246,195,22,.55);
      box-shadow: 0 22px 46px rgba(15,15,15,.18);
    }
    .float-tip{
      background: rgba(255,255,255,.95);
      border:1px solid rgba(15,15,15,.10);
      border-radius: 16px;
      padding: 10px 12px;
      box-shadow: 0 16px 34px rgba(15,15,15,.14);
      max-width: 220px;
      color: rgba(15,15,15,.86);
      font-size:12.8px;
      font-weight:750;
      display:none;
    }
    .float-tip.show{ display:block; }
    .toast{
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(15,15,15,.10);
      border-radius: 18px;
      padding: 10px 14px;
      box-shadow: 0 18px 40px rgba(15,15,15,.18);
      z-index:90;
      display:none;
      color: rgba(15,15,15,.86);
      font-size:13px;
      font-weight:820;
      max-width: calc(100vw - 24px);
    }
    .toast.show{ display:block; animation: pop .18s ease-out; }
    @keyframes pop{ from{ opacity:0; transform: translateX(-50%) translateY(6px);} to{ opacity:1; transform: translateX(-50%) translateY(0);} }

    .reveal{
      opacity:0;
      transform: translateY(12px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    .skiplink{
      position:absolute;
      left:-999px; top:0;
      background:#fff;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(15,15,15,.10);
      z-index:999;
    }
    .skiplink:focus{ left: 12px; top: 12px; outline: 3px solid var(--ring); }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .cards-3{ grid-template-columns: 1fr; }
      .split{ grid-template-columns: 1fr; }
      .two-col{ grid-template-columns: 1fr; }
      .pricing-grid{ grid-template-columns: 1fr; }
      .faq-grid{ grid-template-columns: 1fr; }
      .comments{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .partner-grid{ grid-template-columns: 1fr; }
      .img-strip{ grid-template-columns: 1fr; }
      .footer-inner{ grid-template-columns: 1fr; }
    }
    @media (max-width: 860px){
      .nav{ display:none; }
      .nav-cta{ display:none; }
      .burger{ display:flex; }
      .mobile-panel{ display:block; }
      .mobile-panel[hidden]{ display:none; }
      .topbar-inner{ padding: 0 12px; }
    }
    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .reveal{ transition:none; }
      details.faq summary, .btn, .card, .step, .data-card{ transition:none; }
    }