:root{
      --bg0:#fff7f8;
      --bg1:#ffffff;
      --text:#171717;
      --muted:#5b5b63;
      --subtle:#7b7b86;
      --line:rgba(20,20,20,.10);
      --card:#ffffff;
      --shadow: 0 18px 50px rgba(22,18,30,.10);
      --shadow2: 0 10px 24px rgba(22,18,30,.10);
      --brand1:#ff3b6a;
      --brand2:#7a2cff;
      --brand3:#00b7ff;
      --accent:#ff2f58;
      --good:#0f9d58;
      --warn:#b54708;
      --radius:18px;
      --radius2:26px;
      --focus: 0 0 0 4px rgba(255,59,106,.18);
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 520px at 20% -10%, rgba(255,59,106,.18), transparent 55%),
        radial-gradient(760px 460px at 90% 0%, rgba(122,44,255,.14), transparent 55%),
        radial-gradient(980px 560px at 50% 20%, rgba(0,183,255,.10), transparent 60%),
        linear-gradient(180deg, var(--bg0), #ffffff 42%, #ffffff 100%);
    }
    a{color:inherit}
    .container{
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header */
    header{
      position: sticky;
      top: 0;
      z-index: 30;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.72);
      border-bottom: 1px solid rgba(20,20,20,.08);
    }
    .nav-wrap{
      height: 68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }
    .logo{
      width:44px;height:44px;
      border-radius: 14px;
      box-shadow: 0 10px 30px rgba(255,59,106,.18);
      overflow:hidden;
      display:flex;
      align-items:center;
      justify-content:center;
      background: linear-gradient(135deg, rgba(255,59,106,.14), rgba(122,44,255,.12));
      border: 1px solid rgba(255,59,106,.18);
    }
    .ai-page-logo{max-width:100%; height:auto; display:block}
    .brand-title{
      display:flex;flex-direction:column;line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px;color:var(--muted)}
    .nav-right{
      display:flex;align-items:center;gap:12px;flex:1;justify-content:flex-end;
      min-width: 0;
    }
    nav{
      display:flex;align-items:center;gap:8px;
      flex-wrap:nowrap;
      overflow:hidden;
    }
    .nav-link{
      text-decoration:none;
      font-size:13px;
      color: rgba(20,20,20,.78);
      padding: 10px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      background: rgba(255,59,106,.08);
      border-color: rgba(255,59,106,.18);
      transform: translateY(-1px);
    }

    .nav-actions{
      display:flex;align-items:center;gap:10px;flex-shrink:0;
    }
    .btn{
      appearance:none;
      border:1px solid rgba(20,20,20,.12);
      background:#fff;
      color: rgba(20,20,20,.90);
      padding: 10px 14px;
      border-radius: 14px;
      font-weight: 600;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      display:inline-flex;align-items:center;gap:10px;
    }
    .btn:focus{outline:none; box-shadow: var(--focus)}
    .btn:hover{transform: translateY(-1px); box-shadow: 0 12px 26px rgba(22,18,30,.10); border-color: rgba(20,20,20,.18)}
    .btn-primary{
      border-color: rgba(255,59,106,.25);
      background: linear-gradient(135deg, rgba(255,59,106,.98), rgba(122,44,255,.92));
      color:#fff;
      box-shadow: 0 18px 40px rgba(255,59,106,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 56px rgba(255,59,106,.26);
      border-color: rgba(255,59,106,.35);
    }
    .btn-ghost{
      background: rgba(255,255,255,.65);
      border-color: rgba(20,20,20,.12);
    }

    .hamburger{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid rgba(20,20,20,.12);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition: transform .15s ease;
      flex-shrink:0;
    }
    .hamburger:hover{transform: translateY(-1px)}
    .hamburger svg{width:20px;height:20px}

    /* Mobile menu */
    .mobile-panel{
      display:none;
      border-top: 1px solid rgba(20,20,20,.08);
      padding: 10px 0 16px;
    }
    .mobile-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 10px;
    }
    .mobile-link{
      text-decoration:none;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.8);
      border-radius: 16px;
      padding: 12px 12px;
      font-size: 13px;
      color: rgba(20,20,20,.88);
      display:flex;align-items:center;justify-content:space-between;
      gap:10px;
    }
    .pill{
      font-size:12px;
      color: rgba(20,20,20,.75);
      border:1px solid rgba(20,20,20,.12);
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.75);
      white-space:nowrap;
    }

    /* Hero */
    .hero{
      padding: 34px 0 8px;
      position: relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: start;
    }
    .hero-left{
      padding: 22px 0 0;
    }
    .hero-badge-row{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    }
    .hero-badge{
      display:inline-flex;align-items:center;gap:10px;
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(255,59,106,.18);
      background: rgba(255,255,255,.72);
      box-shadow: 0 14px 30px rgba(255,59,106,.08);
      font-size: 13px;
      color: rgba(20,20,20,.86);
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 5px rgba(255,59,106,.12);
    }
    h1{
      margin: 14px 0 10px;
      font-size: clamp(26px, 3.2vw, 40px);
      line-height: 1.12;
      letter-spacing: -0.6px;
    }
    .hero-lead{
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      max-width: 62ch;
    }
    .hero-cta{
      display:flex;gap:12px;flex-wrap:wrap;
      margin-top: 18px;
      align-items:center;
    }
    .hero-cta .btn{padding: 12px 16px;border-radius: 16px}
    .micro-trust{
      display:flex;gap:14px;flex-wrap:wrap;
      margin-top: 16px;
    }
    .micro-item{
      display:flex;gap:10px;align-items:flex-start;
      padding: 10px 12px;
      border: 1px solid rgba(20,20,20,.09);
      background: rgba(255,255,255,.75);
      border-radius: 16px;
      min-width: 170px;
    }
    .micro-icon{
      width:34px;height:34px;border-radius: 12px;
      display:flex;align-items:center;justify-content:center;
      background: linear-gradient(135deg, rgba(255,59,106,.16), rgba(122,44,255,.12));
      border: 1px solid rgba(255,59,106,.18);
      flex-shrink:0;
    }
    .micro-icon svg{width:18px;height:18px}
    .micro-item strong{font-size:13px}
    .micro-item span{display:block;font-size:12px;color:var(--subtle); margin-top:3px; line-height:1.4}

    .hero-right{
      position: relative;
      padding-top: 6px;
    }
    .stat-shell{
      background: rgba(255,255,255,.74);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 22px 64px rgba(22,18,30,.10);
      overflow:hidden;
      position: relative;
    }
    .stat-shell:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 220px at 20% 0%, rgba(255,59,106,.25), transparent 60%),
        radial-gradient(460px 260px at 90% 10%, rgba(122,44,255,.18), transparent 65%),
        radial-gradient(520px 320px at 60% 110%, rgba(0,183,255,.12), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .stat-shell > *{position:relative; z-index:1}
    .stat-title{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      margin-bottom: 12px;
    }
    .stat-title strong{font-size:14px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius: 999px;
      padding: 7px 10px;
      background: rgba(255,59,106,.10);
      border:1px solid rgba(255,59,106,.16);
      font-size:12px;color: rgba(20,20,20,.82);
      white-space:nowrap;
    }
    .grid-stats{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .stat-card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,20,20,.08);
      border-radius: 18px;
      padding: 12px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 104px;
      display:flex;flex-direction:column;gap:8px;
    }
    .stat-card:hover{
      transform: translateY(-3px);
      border-color: rgba(255,59,106,.22);
      box-shadow: 0 18px 40px rgba(22,18,30,.12);
    }
    .stat-k{
      font-size: 22px;
      letter-spacing:-.4px;
      font-weight: 850;
      line-height:1.1;
      display:flex;align-items:baseline;gap:6px;
    }
    .stat-k em{
      font-style:normal;
      font-size:12px;
      font-weight:700;
      color: rgba(20,20,20,.65);
      padding: 4px 8px;
      border-radius: 999px;
      border:1px solid rgba(20,20,20,.12);
      background: rgba(255,255,255,.7);
    }
    .stat-desc{font-size:12.5px;color:var(--muted);line-height:1.5}

    .hero-note{
      margin-top: 12px;
      padding: 12px;
      border-radius: 18px;
      background: rgba(255,255,255,.78);
      border:1px dashed rgba(20,20,20,.16);
      display:flex; gap:12px; align-items:flex-start;
    }
    .hero-note svg{width:18px;height:18px; margin-top:2px; flex-shrink:0; color: rgba(122,44,255,.9)}
    .hero-note p{
      margin:0;
      font-size: 12.8px;
      color: var(--muted);
      line-height: 1.65;
    }

    /* Section */
    main{padding-bottom: 28px}
    section{padding: 44px 0}
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:16px;
      margin-bottom: 18px;
    }
    .section-head h2{
      margin:0;
      font-size: clamp(18px, 2vw, 26px);
      letter-spacing:-.35px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.8px;
      line-height:1.8;
      max-width: 64ch;
    }
    .subtle-divider{
      height: 1px;
      background: linear-gradient(90deg, rgba(255,59,106,.18), rgba(122,44,255,.14), rgba(0,183,255,.12), transparent);
      margin-top: 10px;
    }

    /* Cards & components */
    .cards-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .card{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 14px 40px rgba(22,18,30,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{
      transform: translateY(-3px);
      border-color: rgba(255,59,106,.22);
      box-shadow: 0 20px 55px rgba(22,18,30,.12);
    }
    .card h3{
      margin: 8px 0 8px;
      font-size: 15.5px;
      letter-spacing: -0.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.75;
    }
    .icon{
      width: 44px; height: 44px;
      border-radius: 16px;
      border:1px solid rgba(255,59,106,.18);
      background:
        radial-gradient(18px 18px at 30% 30%, rgba(255,255,255,.9), rgba(255,255,255,0)),
        linear-gradient(135deg, rgba(255,59,106,.16), rgba(122,44,255,.12));
      display:flex; align-items:center; justify-content:center;
    }
    .icon svg{width:20px;height:20px}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .list{
      display:flex;flex-direction:column;gap:10px;margin-top:10px;
    }
    .li{
      display:flex;gap:10px; align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.78);
    }
    .li .check{
      width:22px;height:22px;border-radius:8px;
      background: rgba(15,157,88,.10);
      border:1px solid rgba(15,157,88,.20);
      display:flex;align-items:center;justify-content:center;flex-shrink:0;
      margin-top:2px;
    }
    .li .check svg{width:14px;height:14px;color: rgba(15,157,88,.95)}
    .li strong{font-size:13.6px}
    .li span{display:block;color:var(--muted);font-size:12.8px;line-height:1.6;margin-top:3px}

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .step{
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,20,20,.10);
      position:relative;
      overflow:hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 158px;
    }
    .step:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(200px 90px at 20% 0%, rgba(255,59,106,.20), transparent 60%),
        radial-gradient(220px 100px at 90% 10%, rgba(122,44,255,.14), transparent 62%);
      opacity: .65;
      pointer-events:none;
    }
    .step > *{position:relative}
    .step:hover{transform: translateY(-3px); border-color: rgba(255,59,106,.22); box-shadow: 0 20px 50px rgba(22,18,30,.12)}
    .step-num{
      width: 34px; height: 34px; border-radius: 14px;
      display:flex;align-items:center;justify-content:center;
      background: rgba(255,59,106,.10);
      border:1px solid rgba(255,59,106,.18);
      font-weight:900;
      font-size: 14px;
    }
    .step h3{margin:10px 0 6px; font-size:15.2px}
    .step p{margin:0;color:var(--muted);font-size:13.2px;line-height:1.7}

    /* Compare */
    .compare-wrap{
      background: rgba(255,255,255,.76);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius2);
      box-shadow: 0 18px 60px rgba(22,18,30,.10);
      overflow:hidden;
    }
    .compare-top{
      padding: 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px; flex-wrap:wrap;
      background:
        radial-gradient(600px 240px at 15% 0%, rgba(255,59,106,.18), transparent 60%),
        radial-gradient(620px 260px at 85% 10%, rgba(122,44,255,.14), transparent 65%),
        rgba(255,255,255,.78);
      border-bottom: 1px solid rgba(20,20,20,.08);
    }
    .rating{
      display:flex; gap:14px; align-items:center;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      color: rgba(255,59,106,.98);
      filter: drop-shadow(0 8px 14px rgba(255,59,106,.18));
    }
    .rating strong{font-size: 22px; letter-spacing:-.4px}
    .rating span{display:block;color:var(--muted); font-size:13px; margin-top:3px; line-height:1.35}
    .compare-controls{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
    }
    .chip{
      font-size:12.5px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.82);
      color: rgba(20,20,20,.82);
      white-space:nowrap;
    }

    .table-wrap{
      width:100%;
      overflow:auto;
    }
    table{
      width:100%;
      border-collapse: separate;
      border-spacing:0;
      min-width: 760px;
    }
    th, td{
      padding: 12px 12px;
      border-bottom:1px solid rgba(20,20,20,.08);
      font-size: 13.5px;
      text-align:left;
      vertical-align:top;
    }
    th{
      position: sticky;
      top: 0;
      z-index: 2;
      background: rgba(255,255,255,.94);
      color: rgba(20,20,20,.92);
      font-weight: 800;
      border-bottom:1px solid rgba(20,20,20,.10);
    }
    tr:last-child td{border-bottom:0}
    .col-brand{
      background: rgba(255,59,106,.06);
    }
    .mark{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.75);
      border:1px solid rgba(20,20,20,.10);
      color: rgba(20,20,20,.85);
      white-space:nowrap;
      margin-bottom: 6px;
    }
    .mark.good{
      border-color: rgba(15,157,88,.22);
      background: rgba(15,157,88,.08);
    }
    .mark.bad{
      border-color: rgba(180,71,8,.25);
      background: rgba(180,71,8,.08);
    }
    .mark svg{width:14px;height:14px}
    .muted{color:var(--muted)}
    .cta-row{
      padding: 14px 16px 16px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      background: rgba(255,255,255,.76);
    }
    .cta-row .left p{
      margin:0;
      color: var(--muted);
      font-size: 13.3px;
      line-height:1.7;
    }

    /* Client comments */
    .quote-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .quote{
      background: rgba(255,255,255,.84);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 14px 44px rgba(22,18,30,.06);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      min-height: 178px;
      display:flex;flex-direction:column;gap:12px;
    }
    .quote:hover{transform: translateY(-3px); border-color: rgba(255,59,106,.22); box-shadow: 0 22px 60px rgba(22,18,30,.12)}
    .quote-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
    }
    .avatar{
      width: 40px; height: 40px;
      border-radius: 16px;
      border:1px solid rgba(255,59,106,.18);
      background: linear-gradient(135deg, rgba(255,59,106,.14), rgba(122,44,255,.12));
      display:flex;align-items:center;justify-content:center;
      font-weight: 900;
      color: rgba(20,20,20,.86);
    }
    .quote-role{
      font-size: 12.5px;
      color: var(--muted);
      margin-top: 3px;
      line-height:1.35;
    }
    .quote-text{
      margin:0;
      color: rgba(20,20,20,.86);
      font-size: 13.5px;
      line-height: 1.8;
      flex:1;
    }
    .quote-footer{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color: var(--subtle);
      font-size: 12.3px;
    }

    /* Case / Article lists */
    .grid-2{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .case-card{
      display:flex;gap:14px;align-items:flex-start;
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.82);
      box-shadow: 0 14px 44px rgba(22,18,30,.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      overflow:hidden;
    }
    .case-card:hover{transform: translateY(-3px); border-color: rgba(255,59,106,.22); box-shadow: 0 22px 60px rgba(22,18,30,.12)}
    .thumb{
      width: 84px;
      height: 84px;
      border-radius: 22px;
      background:
        radial-gradient(36px 36px at 30% 30%, rgba(255,255,255,.92), rgba(255,255,255,0)),
        linear-gradient(135deg, rgba(255,59,106,.18), rgba(122,44,255,.14));
      border: 1px solid rgba(255,59,106,.18);
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
    }
    .thumb svg{width:34px;height:34px;color: rgba(122,44,255,.95)}
    .case-body h3{margin:0 0 6px; font-size:15.5px}
    .case-body p{margin:0; color:var(--muted); font-size:13.4px; line-height:1.75}
    .meta-row{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 10px;
    }
    .meta{
      font-size:12.2px;
      padding: 6px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.75);
      color: rgba(20,20,20,.82);
    }

    .articles{
      display:grid;
      grid-template-columns: 1.3fr .7fr;
      gap: 14px;
      align-items:start;
    }
    .article-list{
      display:flex;flex-direction:column;gap:10px;
    }
    .article{
      display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
      padding: 14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,20,20,.10);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .article:hover{transform: translateY(-3px); border-color: rgba(255,59,106,.22); box-shadow: 0 22px 60px rgba(22,18,30,.12)}
    .article strong{display:block; font-size:14.6px; margin-bottom:6px}
    .article span{display:block; font-size:12.8px;color:var(--muted); line-height:1.65}
    .article a{
      text-decoration:none;
      font-size: 13px;
      padding: 9px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.75);
      white-space:nowrap;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      display:inline-flex; align-items:center; gap:8px;
      color: rgba(20,20,20,.88);
    }
    .article a:hover{transform: translateY(-1px); border-color: rgba(255,59,106,.22); background: rgba(255,59,106,.06)}
    .side-panel{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 14px 44px rgba(22,18,30,.06);
      overflow:hidden;
      position:relative;
    }
    .side-panel:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 180px at 20% 0%, rgba(255,59,106,.16), transparent 60%),
        radial-gradient(420px 220px at 90% 10%, rgba(0,183,255,.12), transparent 65%);
      pointer-events:none;
      opacity:.8;
    }
    .side-panel > *{position:relative}
    .side-panel h3{margin:0 0 8px; font-size:15.5px}
    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .tag-cloud a{
      text-decoration:none;
      font-size: 12.8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.75);
      color: rgba(20,20,20,.84);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
      white-space:nowrap;
    }
    .tag-cloud a:hover{
      transform: translateY(-2px);
      border-color: rgba(255,59,106,.24);
      background: rgba(255,59,106,.06);
    }

    /* FAQ */
    .faq-wrap{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .faq-item{
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.82);
      border-radius: var(--radius);
      overflow:hidden;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .faq-item[aria-expanded="true"]{
      border-color: rgba(255,59,106,.25);
      box-shadow: 0 22px 60px rgba(22,18,30,.12);
      transform: translateY(-2px);
    }
    .faq-q{
      width:100%;
      text-align:left;
      border:0;
      background: transparent;
      padding: 14px 16px;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      font-weight: 850;
      letter-spacing:-.2px;
      color: rgba(20,20,20,.92);
    }
    .faq-q span{font-size:14.5px}
    .faq-q .chev{
      width: 34px;height:34px;border-radius: 14px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.7);
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
      transition: transform .2s ease, border-color .2s ease;
    }
    .faq-item[aria-expanded="true"] .faq-q .chev{transform: rotate(180deg); border-color: rgba(255,59,106,.24)}
    .faq-a{
      padding: 0 16px 14px;
      color: var(--muted);
      line-height: 1.8;
      font-size: 13.6px;
      display:none;
    }
    .faq-item[aria-expanded="true"] .faq-a{display:block}

    /* Forms */
    .form-shell{
      background: rgba(255,255,255,.82);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 18px 60px rgba(22,18,30,.10);
    }
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    label{
      display:flex;flex-direction:column;gap:8px;
      font-size: 12.8px;
      color: rgba(20,20,20,.82);
      font-weight: 650;
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,20,20,.12);
      padding: 12px 12px;
      background: rgba(255,255,255,.9);
      outline:none;
      color: rgba(20,20,20,.92);
      font-size: 14px;
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
    }
    textarea{min-height: 96px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(255,59,106,.32);
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top: 14px;
    }
    .fineprint{
      color: var(--subtle);
      font-size: 12.5px;
      line-height:1.6;
      margin:0;
      max-width: 48ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      background: rgba(20,20,20,.92);
      color:#fff;
      padding: 12px 14px;
      border-radius: 16px;
      box-shadow: 0 22px 70px rgba(0,0,0,.25);
      font-size: 13px;
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      z-index: 80;
      max-width: calc(100vw - 32px);
      text-align:center;
    }
    .toast.show{
      opacity:1;
      transform: translateX(-50%) translateY(-6px);
    }

    /* Floating客服 */
    .float-kefu{
      position: fixed;
      right: 16px;
      bottom: 18px;
      z-index: 60;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width: 52px;height:52px;border-radius: 18px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 16px 50px rgba(22,18,30,.16);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .float-btn:hover{transform: translateY(-3px); border-color: rgba(255,59,106,.24); box-shadow: 0 26px 70px rgba(22,18,30,.20)}
    .float-btn svg{width:22px;height:22px}
    .kefu-pop{
      width: 220px;
      border-radius: 22px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(20,20,20,.10);
      box-shadow: 0 26px 70px rgba(0,0,0,.18);
      padding: 12px;
      display:none;
      transform-origin: 90% 100%;
      animation: popIn .18s ease both;
    }
    .kefu-pop.show{display:block}
    @keyframes popIn{
      from{opacity:0; transform: scale(.98) translateY(6px)}
      to{opacity:1; transform: scale(1) translateY(0)}
    }
    .kefu-pop h4{
      margin:0 0 10px;
      font-size: 13.6px;
      letter-spacing:-.2px;
    }
    .kefu-img{
      width:100%;
      border-radius: 18px;
      border:1px solid rgba(20,20,20,.10);
      overflow:hidden;
      background: linear-gradient(135deg, rgba(255,59,106,.12), rgba(122,44,255,.10));
    }
    .kefu-img img{width:100%; height:auto; display:block}
    .kefu-pop p{
      margin:10px 0 0;
      color: var(--muted);
      font-size: 12.6px;
      line-height:1.6;
    }

    /* Footer */
    footer{
      padding: 24px 0 40px;
      border-top: 1px solid rgba(20,20,20,.08);
      background: rgba(255,255,255,.76);
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      background: rgba(255,255,255,.86);
      border:1px solid rgba(20,20,20,.10);
      border-radius: var(--radius2);
      padding: 16px;
      box-shadow: 0 14px 44px rgba(22,18,30,.06);
    }
    .foot-top{
      display:flex;align-items:flex-start;gap:12px;
    }
    .foot-top .markdot{
      width:44px;height:44px;border-radius: 18px;
      border:1px solid rgba(255,59,106,.18);
      background: linear-gradient(135deg, rgba(255,59,106,.16), rgba(122,44,255,.12));
      display:flex;align-items:center;justify-content:center;
      flex-shrink:0;
    }
    .foot-top .markdot svg{width:20px;height:20px}
    .foot-title strong{font-size:15.5px}
    .foot-title p{margin:6px 0 0; color: var(--muted); font-size: 13.2px; line-height:1.75}
    .foot-links{
      display:flex; flex-wrap:wrap; gap:10px; margin-top: 12px;
    }
    .foot-links a{
      text-decoration:none;
      font-size: 12.8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.75);
      color: rgba(20,20,20,.86);
      transition: transform .15s ease, border-color .15s ease, background .15s ease;
    }
    .foot-links a:hover{transform: translateY(-2px); border-color: rgba(255,59,106,.24); background: rgba(255,59,106,.06)}
    .foot-right h3{margin:0 0 10px; font-size: 15.5px}
    .foot-right .row{
      display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 10px;
    }
    .kv{
      flex: 1;
      min-width: 180px;
      padding: 12px;
      border-radius: 18px;
      border:1px solid rgba(20,20,20,.10);
      background: rgba(255,255,255,.80);
    }
    .kv strong{display:block; font-size: 13px; margin-bottom: 6px}
    .kv span{color: var(--muted); font-size: 13px; line-height: 1.6; display:block}
    .copyright{
      margin-top: 12px;
      color: var(--subtle);
      font-size: 12.3px;
      line-height:1.6;
      text-align:center;
    }
    .backtop{
      position: fixed;
      left: 16px;
      bottom: 18px;
      z-index: 60;
      opacity: 0;
      transform: translateY(10px);
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
    }
    .backtop.show{
      opacity:1; transform: translateY(0); pointer-events:auto;
    }

    /* Reveal */
    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.show{
      opacity:1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; gap: 14px}
      .hero-right{order: 2}
      .hero-left{padding-top: 4px}
      .cards-3{grid-template-columns: 1fr}
      .steps{grid-template-columns: 1fr 1fr}
      .quote-grid{grid-template-columns: 1fr}
      .two-col{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .articles{grid-template-columns: 1fr}
      .form-grid{grid-template-columns: 1fr}
      table{min-width: 680px}
      .footer-grid{grid-template-columns: 1fr}
      nav{display:none}
      .hamburger{display:flex}
      .mobile-panel.show{display:block}
      .nav-right{justify-content:flex-end}
      .brand{min-width: unset}
    }
    @media (max-width: 520px){
      .steps{grid-template-columns: 1fr}
      .grid-stats{grid-template-columns: 1fr 1fr}
      th, td{padding: 10px 10px}
    }