:root{
      --bg0:#fbfaf6;
      --bg1:#f3f5ff;
      --card:#ffffff;
      --text:#17202a;
      --muted:#5b6a7a;
      --line:rgba(20,33,50,.12);
      --shadow: 0 10px 30px rgba(15,25,40,.10);
      --shadow2: 0 12px 28px rgba(25,45,90,.12);
      --brand:#1f6feb;
      --brand2:#7c3aed;
      --brand3:#06b6d4;
      --accent:#ffb703;
      --good:#16a34a;
      --warn:#f97316;
      --radius:18px;
      --radius2:26px;
      --focus: rgba(31,111,235,.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 CJK SC", "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 800px at 18% -10%, rgba(124,58,237,.14), transparent 55%),
        radial-gradient(900px 650px at 88% 0%, rgba(31,111,235,.14), transparent 52%),
        radial-gradient(700px 520px at 60% 28%, rgba(6,182,212,.12), transparent 55%),
        linear-gradient(180deg, var(--bg0), #ffffff 48%, var(--bg1));
      overflow-x:hidden;
    }

    a{color:inherit; text-decoration:none}
    a:hover{color:var(--brand)}
    .container{
      width:100%;
      max-width:var(--container);
      padding: 0 18px;
      margin:0 auto;
    }

    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:18px; top:12px; width:auto; height:auto; padding:10px 12px;
      background:#fff; border:1px solid var(--line); border-radius:12px; z-index:9999;
      box-shadow: var(--shadow);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(10px);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border-bottom:1px solid rgba(20,33,50,.08);
    }

    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      padding: 12px 0;
      gap:16px;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 210px;
    }
    .ai-page-logo{
      width:44px; height:44px; border-radius:14px;
      object-fit:cover;
      box-shadow: 0 10px 20px rgba(31,111,235,.16);
      border: 1px solid rgba(31,111,235,.18);
      background:#fff;
    }
    .brand-text{display:flex; flex-direction:column; line-height:1.1}
    .brand-text strong{font-size:14px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted)}
    .nav-right{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end;
    }

    .nav-links{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
    }
    .nav-links a{
      font-size:13px; color:rgba(23,32,42,.86);
      padding:8px 10px; border-radius:12px;
      border:1px solid transparent;
    }
    .nav-links a:hover{
      background: rgba(31,111,235,.08);
      border-color: rgba(31,111,235,.14);
      color: var(--brand);
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding: 10px 14px;
      border-radius: 14px;
      border:1px solid rgba(31,111,235,.20);
      background: rgba(31,111,235,.08);
      color: #1243a8;
      font-weight:650;
      font-size:13px;
      line-height:1;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      user-select:none;
      -webkit-tap-highlight-color: transparent;
      white-space:nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 26px rgba(31,111,235,.14);
      background: rgba(31,111,235,.10);
    }
    .btn:active{transform: translateY(0px); box-shadow:none}
    .btn-primary{
      background: linear-gradient(135deg, rgba(31,111,235,1), rgba(124,58,237,1));
      border-color: rgba(255,255,255,.18);
      color:#fff;
      box-shadow: 0 16px 30px rgba(31,111,235,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 20px 40px rgba(31,111,235,.28);
    }
    .btn-ghost{
      background: rgba(255,255,255,.6);
      border-color: rgba(20,33,50,.12);
      color: rgba(23,32,42,.92);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
    }
    .btn-small{padding: 9px 12px; border-radius:12px; font-size:12.5px}
    .btn-icon{
      width:18px; height:18px; display:inline-block;
    }

    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(20,33,50,.12);
      background: rgba(255,255,255,.75);
      box-shadow: 0 12px 22px rgba(15,25,40,.06);
      align-items:center; justify-content:center;
    }
    .hamburger button{
      all:unset;
      display:flex; flex-direction:column; gap:5px; cursor:pointer;
      width:22px;
    }
    .hamburger i{
      height:2px; border-radius:2px; background: rgba(23,32,42,.82);
      width:100%;
      display:block;
    }

    .mobile-panel{
      display:none;
      padding-bottom: 14px;
    }
    .mobile-panel.open{display:block}
    .mobile-grid{
      display:grid; gap:10px;
      padding: 10px 0 4px;
    }
    .mobile-grid a{
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.64);
      font-weight:600;
      font-size:14px;
    }

    main{padding: 22px 0 0}
    section{padding: 56px 0}
    .section-tight{padding: 44px 0}
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom: 18px;
    }
    .kicker{
      display:inline-flex; align-items:center; gap:10px;
      font-size:12.5px; color: rgba(18,67,168,.92);
      background: rgba(31,111,235,.10);
      border:1px solid rgba(31,111,235,.18);
      padding: 7px 10px;
      border-radius: 999px;
      font-weight:650;
    }
    .kicker .dot{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand), var(--brand2));
      box-shadow: 0 10px 18px rgba(31,111,235,.25);
    }

    h1,h2,h3{margin:0}
    h1{
      font-size: clamp(28px, 4.3vw, 44px);
      letter-spacing: -0.7px;
      line-height:1.12;
    }
    h2{
      font-size: clamp(20px, 2.5vw, 26px);
      letter-spacing: -0.4px;
    }
    h3{
      font-size: 16px;
      letter-spacing: -0.2px;
    }
    p{
      margin: 0;
      color: var(--muted);
      line-height:1.7;
      font-size:14.5px;
    }

    .hero{
      padding: 26px 0 10px;
      position:relative;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap: 20px;
      align-items: stretch;
      margin-top: 18px;
    }
    .hero-left{
      padding: 26px 22px;
      border-radius: var(--radius2);
      background:
        radial-gradient(900px 420px at 0% 0%, rgba(31,111,235,.14), transparent 58%),
        radial-gradient(760px 520px at 60% 10%, rgba(124,58,237,.14), transparent 56%),
        linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.62));
      border: 1px solid rgba(20,33,50,.10);
      box-shadow: var(--shadow2);
      position:relative;
      overflow:hidden;
    }

    .hero-left:before{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(300px 160px at 18% 22%, rgba(255,183,3,.22), transparent 60%),
        radial-gradient(380px 200px at 70% 20%, rgba(6,182,212,.16), transparent 65%),
        radial-gradient(260px 140px at 50% 82%, rgba(31,111,235,.14), transparent 60%);
      opacity:.9;
      pointer-events:none;
      filter:saturate(1.05);
    }

    .hero-left .inner{
      position:relative;
      z-index:1;
    }

    .hero-sub{
      margin-top: 14px;
      max-width: 62ch;
      font-size: 15px;
      color: rgba(23,32,42,.78);
    }

    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap;
      margin-top: 18px;
      align-items:center;
    }

    .hero-badges{
      display:flex; gap:10px; flex-wrap:wrap;
      margin-top: 18px;
    }
    .badge{
      display:flex; align-items:center; gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 12px 24px rgba(15,25,40,.06);
      min-width: 178px;
    }
    .badge svg{flex:0 0 auto}
    .badge strong{font-size:13.5px}
    .badge span{
      display:block;
      font-size:12.5px;
      color: rgba(23,32,42,.60);
      margin-top: 2px;
    }

    .hero-right{
      border-radius: var(--radius2);
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(20,33,50,.10);
      box-shadow: 0 14px 30px rgba(15,25,40,.08);
      padding: 18px;
      overflow:hidden;
      position:relative;
    }

    .pulse-orb{
      position:absolute;
      width: 320px; height: 320px;
      right:-140px; top:-190px;
      background: radial-gradient(circle at 30% 30%, rgba(124,58,237,.35), transparent 55%),
                  radial-gradient(circle at 70% 70%, rgba(31,111,235,.35), transparent 58%);
      filter: blur(1px);
      opacity:.7;
      pointer-events:none;
      animation: floaty 7s ease-in-out infinite;
    }
    @keyframes floaty{
      0%,100%{transform: translate(0,0)}
      50%{transform: translate(-16px, 18px)}
    }

    .data-grid{
      position:relative; z-index:1;
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .metric{
      background: rgba(255,255,255,.65);
      border:1px solid rgba(20,33,50,.10);
      border-radius: 18px;
      padding: 12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .metric:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(25,45,90,.12);
      border-color: rgba(31,111,235,.22);
    }
    .metric-left{display:flex; align-items:center; gap:10px}
    .metric-ic{
      width:40px; height:40px; border-radius:14px;
      background: linear-gradient(135deg, rgba(31,111,235,.14), rgba(124,58,237,.12));
      border:1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .metric strong{
      font-size: 18px; letter-spacing:-.3px;
      display:block;
      line-height:1.1;
    }
    .metric span{
      color: rgba(23,32,42,.62);
      font-size: 12.5px;
      display:block;
      margin-top: 3px;
      line-height:1.2;
    }
    .metric .tag{
      font-size: 12px;
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.55);
      color: rgba(23,32,42,.72);
      white-space:nowrap;
    }

    .trust-row{
      margin-top: 14px;
      position:relative; z-index:1;
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
    }
    .trust-chip{
      display:flex; align-items:center; gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.6);
      flex: 1 1 auto;
      min-width: 190px;
    }
    .trust-chip .mark{
      width:28px; height:28px; border-radius:10px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(31,111,235,.18);
      background: rgba(31,111,235,.10);
      color: var(--brand);
    }

    .fade-in{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .fade-in.in{
      opacity:1;
      transform: translateY(0);
    }

    .grid-2{
      display:grid; grid-template-columns: 1fr 1fr; gap: 16px;
    }
    .grid-3{
      display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    }
    .grid-4{
      display:grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    }

    .card{
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(20,33,50,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 24px rgba(15,25,40,.06);
      padding: 16px;
      position:relative;
      overflow:hidden;
    }
    .card.soft{
      background: rgba(255,255,255,.60);
    }

    .section-hr{
      height:1px; background: rgba(20,33,50,.08);
      margin: 22px 0 0;
    }

    .cap-list{
      display:grid;
      grid-template-columns: 1fr;
      gap: 10px;
      margin-top: 14px;
    }
    .cap-item{
      display:flex; gap:12px; align-items:flex-start;
      padding: 12px 12px;
      border-radius: 16px;
      border:1px solid rgba(20,33,50,.08);
      background: rgba(255,255,255,.58);
    }
    .cap-ico{
      width:36px; height:36px; border-radius:14px;
      background: linear-gradient(135deg, rgba(31,111,235,.16), rgba(6,182,212,.12));
      border:1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color: rgba(18,67,168,.98);
    }
    .cap-item strong{font-size:14px}
    .cap-item p{margin-top:4px; font-size:13.5px; color: rgba(23,32,42,.66)}

    .steps{
      display:grid; gap:12px;
      grid-template-columns: repeat(4, 1fr);
      align-items:stretch;
    }
    .step{
      padding: 14px 14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.68);
      border:1px solid rgba(20,33,50,.10);
      box-shadow: 0 10px 24px rgba(15,25,40,.06);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
      min-height: 168px;
    }
    .step:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 36px rgba(31,111,235,.14);
      border-color: rgba(31,111,235,.22);
    }
    .step:before{
      content:"";
      position:absolute;
      width: 140px; height: 140px;
      right:-60px; top:-70px;
      background: radial-gradient(circle at 30% 30%, rgba(31,111,235,.22), transparent 60%);
      opacity:.7;
      pointer-events:none;
    }
    .step-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      position:relative;
    }
    .step-num{
      width:40px; height:40px; border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(31,111,235,.20);
      background: rgba(31,111,235,.10);
      color: rgba(18,67,168,.98);
      font-weight:800;
    }
    .step-badge{
      font-size:12px; padding: 7px 10px; border-radius:999px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.56);
      color: rgba(23,32,42,.68);
      white-space:nowrap;
    }
    .step h3{margin-top: 10px; font-size:15.5px}
    .step p{margin-top:8px; font-size:13.5px}

    .table-wrap{
      overflow:auto;
      border-radius: 16px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 12px 24px rgba(15,25,40,.06);
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 760px;
    }
    th,td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,33,50,.08);
      text-align:left;
      vertical-align: top;
      font-size: 13.5px;
      color: rgba(23,32,42,.88);
      white-space:nowrap;
    }
    th{
      background: rgba(31,111,235,.08);
      border-bottom: 1px solid rgba(31,111,235,.14);
      color: rgba(18,67,168,.98);
      font-weight:800;
      position:sticky;
      top:0;
      z-index:1;
    }
    td .muted{color: rgba(23,32,42,.60); white-space:normal}
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      border-radius:999px;
      padding: 8px 10px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.60);
      font-weight:650;
      color: rgba(23,32,42,.82);
      font-size: 12.5px;
      margin: 2px 6px 2px 0;
    }
    .pill.good{
      border-color: rgba(22,163,74,.18);
      background: rgba(22,163,74,.08);
      color: rgba(17,94,44,.95);
    }
    .pill.warn{
      border-color: rgba(249,115,22,.18);
      background: rgba(249,115,22,.08);
      color: rgba(124,45,18,.96);
    }

    .form{
      display:grid; gap:12px;
    }
    .field-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      font-size:12.5px;
      color: rgba(23,32,42,.70);
      font-weight:700;
      display:block;
      margin: 0 0 8px 2px;
    }
    input,select,textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border:1px solid rgba(20,33,50,.14);
      background: rgba(255,255,255,.75);
      color: rgba(23,32,42,.92);
      outline:none;
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
      font-size: 14px;
    }
    textarea{min-height: 108px; resize: vertical}
    input:focus,select:focus,textarea:focus{
      border-color: rgba(31,111,235,.35);
      box-shadow: 0 0 0 6px var(--focus);
    }

    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      flex-wrap:wrap;
      margin-top: 2px;
    }
    .hint{
      font-size:12.5px;
      color: rgba(23,32,42,.60);
      line-height:1.5;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .review{
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,33,50,.10);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
      transition: transform .18s ease, box-shadow .18s ease;
    }
    .review:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 36px rgba(31,111,235,.12);
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:16px;
      border:1px solid rgba(20,33,50,.10);
      background: linear-gradient(135deg, rgba(31,111,235,.18), rgba(124,58,237,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(18,67,168,.98);
    }
    .stars{
      display:flex; align-items:center; gap:2px;
      color: rgba(255,183,3,.98);
      font-weight:900;
      font-size: 12.5px;
      white-space:nowrap;
    }
    .review p{font-size:13.5px; color: rgba(23,32,42,.70)}
    .review .meta{
      margin-top: 10px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      color: rgba(23,32,42,.58);
      font-size:12.5px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .case-list{
      display:grid; gap: 12px;
    }
    .case{
      display:flex; gap:12px; align-items:flex-start;
      padding: 14px 14px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,33,50,.10);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
    }
    .case .thumb{
      width:62px; height:62px;
      border-radius: 18px;
      border:1px solid rgba(20,33,50,.10);
      background:
        radial-gradient(26px 26px at 30% 30%, rgba(255,183,3,.35), transparent 62%),
        radial-gradient(32px 32px at 70% 70%, rgba(31,111,235,.26), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.62));
      flex:0 0 auto;
      position:relative;
      overflow:hidden;
    }
    .case .thumb:after{
      content:"";
      position:absolute;
      inset:-40% -30%;
      background: linear-gradient(120deg, rgba(31,111,235,.26), rgba(124,58,237,.12), rgba(6,182,212,.16));
      transform: rotate(18deg);
      opacity:.55;
    }
    .case h3{font-size:15.5px}
    .case .desc{margin-top:6px; font-size:13.5px; color: rgba(23,32,42,.66)}
    .case .tags{margin-top:10px; display:flex; gap:8px; flex-wrap:wrap}
    .tag2{
      padding: 7px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.58);
      font-size:12.5px;
      color: rgba(23,32,42,.68);
      font-weight:650;
    }

    .poster{
      padding: 16px;
      border-radius: var(--radius);
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
      position:relative;
      overflow:hidden;
    }
    .poster .topline{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .poster .topline .label{
      font-weight:900;
      color: rgba(18,67,168,.98);
      display:flex; align-items:center; gap:10px;
    }
    .poster .topline .label .spark{
      width:18px; height:18px;
      border-radius:7px;
      background: linear-gradient(135deg, rgba(31,111,235,.25), rgba(124,58,237,.18));
      border:1px solid rgba(31,111,235,.18);
      display:flex; align-items:center; justify-content:center;
      color: rgba(18,67,168,.98);
    }
    .poster .preview-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .img-card{
      border-radius: 16px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.55);
      overflow:hidden;
      position:relative;
    }
    .img-card img{
      width:100%;
      height:auto;
      display:block;
      object-fit:contain;
      background: rgba(255,255,255,.4);
    }
    .img-card .cap{
      position:absolute; left:10px; bottom:10px;
      padding: 7px 10px;
      background: rgba(255,255,255,.76);
      border:1px solid rgba(20,33,50,.10);
      border-radius: 999px;
      font-size:12.5px;
      font-weight:800;
      color: rgba(23,32,42,.78);
      backdrop-filter: blur(8px);
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 14px;
    }
    .article{
      padding: 16px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,33,50,.10);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
      transition: transform .18s ease, box-shadow .18s ease;
      display:flex; flex-direction:column;
      gap: 10px;
      min-height: 186px;
    }
    .article:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 36px rgba(31,111,235,.12);
    }
    .article .date{
      font-size:12.5px;
      color: rgba(23,32,42,.58);
      display:flex; align-items:center; gap:10px;
    }
    .article h3{
      font-size:15.5px;
      line-height:1.35;
      letter-spacing:-.2px;
    }
    .article p{
      font-size:13.5px;
      color: rgba(23,32,42,.66);
    }
    .article .link{
      margin-top:auto;
      display:inline-flex; align-items:center; gap:10px;
      font-weight:850;
      font-size:13px;
      color: rgba(18,67,168,.98);
      border:1px solid rgba(31,111,235,.18);
      background: rgba(31,111,235,.08);
      padding: 10px 12px;
      border-radius: 14px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      -webkit-tap-highlight-color: transparent;
      white-space:nowrap;
    }
    .article .link:hover{
      transform: translateY(-1px);
      box-shadow: 0 16px 26px rgba(31,111,235,.14);
      background: rgba(31,111,235,.10);
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    .faq .item{
      border-radius: var(--radius);
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,33,50,.10);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
      overflow:hidden;
    }
    .faq button{
      all:unset;
      cursor:pointer;
      width:100%;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding: 14px 14px;
      font-weight:900;
      color: rgba(23,32,42,.90);
      background: transparent;
    }
    .faq .q{
      font-size:14.5px;
      line-height:1.35;
      color: rgba(23,32,42,.92);
    }
    .chev{
      width:34px; height:34px;
      border-radius: 14px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.60);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
      flex:0 0 auto;
      color: rgba(18,67,168,.98);
    }
    .faq .ans{
      max-height:0;
      overflow:hidden;
      transition: max-height .26s ease;
      border-top:1px solid rgba(20,33,50,.08);
    }
    .faq .ans .inner{
      padding: 12px 14px 14px;
      color: rgba(23,32,42,.70);
      font-size: 13.5px;
      line-height:1.7;
    }
    .faq .item.open .chev{transform: rotate(180deg)}
    .faq .item.open .ans{max-height: 220px}

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap: 10px;
      margin-top: 10px;
    }
    .cloud-tag{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.60);
      font-weight:750;
      font-size: 12.5px;
      color: rgba(23,32,42,.72);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      user-select:none;
    }
    .cloud-tag:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 26px rgba(31,111,235,.10);
      background: rgba(31,111,235,.08);
      color: rgba(18,67,168,.98);
    }

    .timeline{
      display:grid; gap: 12px;
      grid-template-columns: 1fr 1fr;
    }
    .time-card{
      padding: 14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
      position:relative;
      overflow:hidden;
    }
    .time-card:before{
      content:"";
      position:absolute;
      left:-80px; top:-90px;
      width:160px; height:160px;
      background: radial-gradient(circle at 30% 30%, rgba(6,182,212,.18), transparent 60%);
      pointer-events:none;
    }
    .time-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px; position:relative;
    }
    .time-step{
      display:flex; align-items:center; gap:10px;
      font-weight:950;
    }
    .time-dot{
      width:12px; height:12px; border-radius:50%;
      background: linear-gradient(135deg, var(--brand3), var(--brand2));
      box-shadow: 0 10px 18px rgba(6,182,212,.25);
    }
    .time-card h3{margin-top: 8px; font-size:15.5px; position:relative}
    .time-card p{margin-top: 8px; position:relative; font-size:13.5px}

    .two-col{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }

    footer{
      padding: 26px 0 34px;
      margin-top: 10px;
      background: linear-gradient(180deg, rgba(255,255,255,.45), rgba(243,245,255,.95));
      border-top: 1px solid rgba(20,33,50,.08);
    }
    .footer-top{
      display:grid; grid-template-columns: 1.1fr .9fr; gap: 16px;
      align-items:start;
    }
    .footer-card{
      background: rgba(255,255,255,.72);
      border:1px solid rgba(20,33,50,.10);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: 0 10px 22px rgba(15,25,40,.06);
    }
    .footer-card h3{font-size:15.5px}
    .footer-card p{margin-top:8px; font-size:13.5px}
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top: 12px;
    }
    .footer-links a{
      padding: 9px 12px;
      border-radius: 999px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.60);
      font-size: 12.5px;
      font-weight:800;
      color: rgba(23,32,42,.72);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 26px rgba(31,111,235,.10);
      background: rgba(31,111,235,.08);
      border-color: rgba(31,111,235,.20);
      color: rgba(18,67,168,.98);
    }

    .copyright{
      margin-top: 14px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color: rgba(23,32,42,.62);
      font-size: 12.5px;
    }

    .float-customer{
      position:fixed;
      right: 14px; bottom: 14px;
      z-index: 60;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      width: 50px; height:50px;
      border-radius: 18px;
      border:1px solid rgba(20,33,50,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 30px rgba(15,25,40,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      -webkit-tap-highlight-color: transparent;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(15,25,40,.18);
      background: rgba(255,255,255,.92);
    }
    .float-pop{
      width: 280px;
      border-radius: 18px;
      border:1px solid rgba(20,33,50,.12);
      background: rgba(255,255,255,.92);
      box-shadow: 0 18px 40px rgba(15,25,40,.16);
      overflow:hidden;
      transform-origin: 100% 100%;
      transition: opacity .18s ease, transform .18s ease;
      opacity:0; transform: scale(.96) translateY(10px);
      pointer-events:none;
    }
    .float-pop.show{
      opacity:1; transform: scale(1) translateY(0);
      pointer-events:auto;
    }
    .float-pop .pop-head{
      padding: 12px 12px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom: 1px solid rgba(20,33,50,.08);
      background: linear-gradient(135deg, rgba(31,111,235,.10), rgba(124,58,237,.08));
    }
    .float-pop .pop-head strong{font-size:13.5px; letter-spacing:-.2px}
    .xbtn{
      all:unset;
      cursor:pointer;
      width:34px; height:34px;
      display:flex; align-items:center; justify-content:center;
      border-radius: 14px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.70);
      color: rgba(23,32,42,.74);
    }
    .float-pop .pop-body{
      padding: 12px 12px 14px;
    }
    .float-pop .qr{
      width: 100%;
      display:block;
      border-radius: 14px;
      border:1px solid rgba(20,33,50,.10);
      background: rgba(255,255,255,.72);
    }
    .float-pop .pop-foot{
      margin-top: 10px;
      font-size:12.5px;
      color: rgba(23,32,42,.62);
      line-height:1.5;
    }

    .to-top{
      position:fixed;
      right: 14px;
      bottom: 78px;
      z-index: 59;
      width:46px; height:46px;
      border-radius: 18px;
      border:1px solid rgba(20,33,50,.12);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 30px rgba(15,25,40,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition: opacity .18s ease, transform .18s ease;
      opacity:0; pointer-events:none;
      transform: translateY(10px);
    }
    .to-top.show{opacity:1; pointer-events:auto; transform: translateY(0)}
    .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;
    }

    .section-anchor{
      scroll-margin-top: 88px;
    }

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .steps{grid-template-columns: repeat(2, 1fr);}
      .review-grid{grid-template-columns: 1fr; }
      .article-grid{grid-template-columns: 1fr;}
      .faq{grid-template-columns: 1fr;}
      .grid-3{grid-template-columns: 1fr;}
      .grid-4{grid-template-columns: 1fr 1fr;}
      .timeline{grid-template-columns: 1fr;}
      .case-grid{grid-template-columns: 1fr;}
      .two-col{grid-template-columns: 1fr;}
      .footer-top{grid-template-columns: 1fr;}
      .nav-links{display:none;}
      .hamburger{display:flex;}
      .mobile-panel{display:none;}
      .mobile-panel.open{display:block;}
      .field-row{grid-template-columns: 1fr;}
      header{position:sticky}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .fade-in{transition:none}
      .pulse-orb{animation:none}
      .btn,.metric,.step,.review,.article,.cloud-tag,.footer-links a{transition:none}
    }