:root{
      --bg:#f6f2ff;
      --bg2:#fff8fc;
      --card:#ffffff;
      --card2:#fbf7ff;
      --text:#181326;
      --muted:#5d5770;
      --line:rgba(104,62,161,.16);
      --line2:rgba(227,98,177,.18);
      --pink:#ff4fd8;
      --purple:#8b5cf6;
      --blue:#4f8cff;
      --mint:#11c5a6;
      --shadow:0 18px 50px rgba(58,24,95,.10);
      --shadow2:0 12px 28px rgba(255,79,216,.10);
      --radius:20px;
      --radius2:26px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 500px at 12% -10%, rgba(255,79,216,.16), transparent 60%),
        radial-gradient(900px 500px at 88% 8%, rgba(139,92,246,.18), transparent 58%),
        linear-gradient(180deg, var(--bg) 0%, #fefcff 38%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(255,255,255,.75);
      border-bottom:1px solid rgba(119,79,179,.12);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand .ai-page-logo{width:42px; height:42px; object-fit:contain; border-radius:12px; background:#fff; box-shadow:0 8px 18px rgba(0,0,0,.06)}
    .brand strong{display:block; font-size:1rem; letter-spacing:.2px}
    .brand span{display:block; font-size:.82rem; color:var(--muted)}
    .navlinks{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .navlinks a{font-size:.92rem; color:var(--muted); padding:8px 10px; border-radius:999px; transition:.25s ease}
    .navlinks a:hover,.navlinks a:focus{background:rgba(139,92,246,.10); color:var(--text)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:1px solid transparent; border-radius:999px;
      padding:11px 16px; font-weight:700; font-size:.94rem; cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:var(--shadow2)}
    .btn.primary{background:linear-gradient(135deg, var(--pink), var(--purple)); color:#fff}
    .btn.ghost{background:rgba(255,255,255,.75); border-color:var(--line); color:var(--text)}
    .menu-toggle{display:none}
    .hero{
      padding:56px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:22px; align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.panel,.faq-item,.review,.article,.stat,.service,.step,.compare-card,.timeline-item,.tag-cloud,.form-card,.contact-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(127,89,187,.14);
      box-shadow:var(--shadow);
      border-radius:var(--radius2);
    }
    .hero-main{padding:34px 30px; position:relative; overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:""; position:absolute; border-radius:50%; filter:blur(10px); pointer-events:none;
    }
    .hero-main:before{width:180px;height:180px; right:-46px; top:-50px; background:rgba(255,79,216,.14)}
    .hero-main:after{width:220px;height:220px; right:90px; bottom:-120px; background:rgba(79,140,255,.10)}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 12px; border-radius:999px;
      background:linear-gradient(135deg, rgba(255,79,216,.13), rgba(139,92,246,.12));
      color:#6f2bb4; font-weight:700; font-size:.86rem;
    }
    h1{margin:16px 0 12px; font-size:clamp(2rem,4vw,3.65rem); line-height:1.08; letter-spacing:-.03em}
    .lead{margin:0; color:var(--muted); line-height:1.8; font-size:1.02rem; max-width:58ch}
    .hero-points{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin:22px 0 24px}
    .point{
      padding:14px 16px; border-radius:18px; background:rgba(248,244,255,.92); border:1px solid rgba(139,92,246,.12)
    }
    .point b{display:block; margin-bottom:4px}
    .hero-cta{display:flex; flex-wrap:wrap; gap:12px; align-items:center}
    .hero-note{margin-top:16px; color:var(--muted); font-size:.92rem}
    .hero-side{padding:22px}
    .hero-side .mini-title{font-size:1rem; margin:0 0 14px}
    .stat-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px}
    .stat{padding:18px; background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,244,255,.92))}
    .stat strong{display:block; font-size:1.5rem; margin-bottom:4px}
    .stat span{color:var(--muted); font-size:.9rem}
    .brand-strip{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
    .chip{
      padding:9px 12px; border-radius:999px; background:rgba(139,92,246,.08); color:#56358f; border:1px solid rgba(139,92,246,.12); font-size:.88rem
    }
    .section{padding:18px 0 0}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin:0 0 14px}
    .section-head h2{margin:0; font-size:1.7rem}
    .section-head p{margin:0; color:var(--muted); max-width:62ch; line-height:1.7}
    .grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .grid-4{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px}
    .card{padding:20px}
    .card h3{margin:0 0 8px; font-size:1.04rem}
    .card p,.card li{color:var(--muted); line-height:1.75}
    .icon{
      width:44px;height:44px;border-radius:14px; display:grid; place-items:center; margin-bottom:12px;
      background:linear-gradient(135deg, rgba(255,79,216,.14), rgba(79,140,255,.12));
      color:#6e2aa7; font-weight:800
    }
    .tag-cloud{padding:20px}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tags span{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid rgba(139,92,246,.12); color:#5a4f7d}
    .panel{padding:22px}
    .steps{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px}
    .step{padding:18px}
    .step .num{display:inline-flex; align-items:center; justify-content:center; width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg, var(--pink), var(--purple)); color:#fff; font-weight:800; margin-bottom:12px}
    .compare-wrap{overflow:auto; border-radius:20px; border:1px solid rgba(127,89,187,.14); background:rgba(255,255,255,.8)}
    table{width:100%; border-collapse:collapse; min-width:860px}
    th,td{padding:16px 14px; text-align:left; border-bottom:1px solid rgba(127,89,187,.12); vertical-align:top}
    th{background:rgba(248,244,255,.9); color:#2c2140}
    td{color:var(--muted)}
    .rating{
      display:inline-flex; gap:4px; color:#ffb400; font-size:1rem; margin-bottom:8px
    }
    .quote-grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .review{padding:20px}
    .review .meta{display:flex; justify-content:space-between; gap:12px; align-items:center; margin-bottom:12px}
    .review .name{font-weight:800}
    .review .role{color:var(--muted); font-size:.9rem}
    .gallery{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px}
    .gallery .section-card{padding:16px}
    .gallery img{border-radius:16px; width:100%; height:auto}
    .article-list{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .article{padding:18px}
    .article small{color:#7a6c9b}
    .article h3{margin:10px 0 8px}
    .article a{color:#6f2bb4; font-weight:700}
    .split{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    form{display:grid; gap:12px}
    label{font-size:.92rem; font-weight:700; color:#34294d}
    input,select,textarea{
      width:100%; border:1px solid rgba(127,89,187,.18); background:#fff; color:var(--text);
      border-radius:14px; padding:13px 14px; font:inherit; outline:none; transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(139,92,246,.55); box-shadow:0 0 0 4px rgba(139,92,246,.10)}
    textarea{min-height:118px; resize:vertical}
    .footer{
      margin-top:18px; padding:26px 0 30px;
      background:linear-gradient(180deg, rgba(247,242,255,.92), rgba(255,255,255,.98));
      border-top:1px solid rgba(127,89,187,.12)
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:16px}
    .footer a{color:#5e2aa0}
    .bottom-links{display:flex; flex-wrap:wrap; gap:10px; margin-top:10px}
    .bottom-links a{padding:8px 10px; border-radius:999px; background:#fff; border:1px solid rgba(127,89,187,.12)}
    .contact-box{display:grid; grid-template-columns:160px 1fr; gap:16px; align-items:start}
    .contact-qr img{width:160px; border-radius:16px; border:1px solid rgba(127,89,187,.14)}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:55; display:grid; gap:10px
    }
    .float-btn{
      width:54px; height:54px; border-radius:18px; display:grid; place-items:center; color:#fff;
      background:linear-gradient(135deg, var(--pink), var(--purple)); box-shadow:0 16px 30px rgba(120,48,180,.22)
    }
    .float-panel{
      display:none; position:absolute; right:0; bottom:66px; width:min(320px, calc(100vw - 32px));
      background:rgba(255,255,255,.96); border:1px solid rgba(127,89,187,.14); box-shadow:var(--shadow); border-radius:22px; padding:16px
    }
    .floating.open .float-panel{display:block}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%; padding:18px 18px; background:none; border:0; text-align:left; font:inherit; font-weight:800; color:var(--text);
      display:flex; justify-content:space-between; gap:14px; cursor:pointer
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .28s ease; padding:0 18px}
    .faq-item.open .faq-a{max-height:220px; padding-bottom:18px}
    .faq-a p{margin:0; color:var(--muted); line-height:1.75}
    .timeline{display:grid; gap:12px}
    .timeline-item{padding:18px}
    .timeline-item b{display:block; margin-bottom:6px}
    .table-note{margin-top:10px; color:var(--muted); font-size:.92rem}
    .mobile-only{display:none}
    .scroll-x{overflow:auto}
    .scroll-x::-webkit-scrollbar{height:8px}
    .scroll-x::-webkit-scrollbar-thumb{background:rgba(139,92,246,.35); border-radius:999px}
    .reveal{opacity:0; transform:translateY(18px); transition:opacity .55s ease, transform .55s ease}
    .reveal.show{opacity:1; transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.steps,.quote-grid,.article-list,.split,.footer-grid,.contact-box,.gallery,.grid-4{grid-template-columns:1fr}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:block}
      .nav.open .navlinks{
        display:flex; position:absolute; left:16px; right:16px; top:68px; flex-direction:column; align-items:flex-start;
        background:rgba(255,255,255,.98); border:1px solid rgba(127,89,187,.14); border-radius:20px; padding:12px; box-shadow:var(--shadow)
      }
      .nav.open .navlinks a{width:100%}
      .hero{padding-top:28px}
      .hero-main{padding:24px}
      .hero-points{grid-template-columns:1fr}
      .stat-grid{grid-template-columns:1fr 1fr}
      .section-head{align-items:flex-start; flex-direction:column}
    }
    @media (max-width: 560px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .nav-actions .ghost{display:none}
      h1{font-size:2rem}
      .stat-grid{grid-template-columns:1fr}
    }