:root{
      --bg:#f6f7fb;
      --surface:#ffffff;
      --text:#121427;
      --muted:#5b6076;
      --border:rgba(18,20,39,.12);
      --shadow:0 16px 40px rgba(17,19,35,.10);
      --shadow2:0 10px 24px rgba(17,19,35,.10);
      --radius:18px;
      --radius2:14px;
      --accent:#ff2e7a;
      --accent2:#8b5cf6;
      --accent3:#14b8a6;
      --accent4:#06b6d4;
      --accent5:#f59e0b;
      --link:#1d4ed8;
      --focus:rgba(255,46,122,.35);
      --max:1120px;
      --pad:18px;
    }

    *{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,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(900px 520px at 12% -8%, rgba(255,46,122,.20), transparent 58%),
        radial-gradient(860px 500px at 82% 0%, rgba(139,92,246,.18), transparent 58%),
        radial-gradient(760px 520px at 56% 22%, rgba(20,184,166,.12), transparent 60%),
        linear-gradient(180deg, #f7f8ff 0%, var(--bg) 40%, #f5f6fb 100%);
      color:var(--text);
    }

    a{color:inherit; text-decoration:none}
    .container{
      max-width:var(--max);
      margin:0 auto;
      padding:0 var(--pad);
    }

    .skip-link{
      position:absolute; left:-999px; top:8px;
      background:#fff; border:1px solid var(--border);
      padding:10px 12px; border-radius:10px;
      z-index:9999;
    }
    .skip-link:focus{left:12px; outline:none; box-shadow:0 0 0 4px var(--focus)}

    header{
      position:sticky; top:0; z-index:50;
      background:rgba(246,247,251,.62);
      backdrop-filter:saturate(140%) blur(14px);
      border-bottom:1px solid rgba(18,20,39,.08);
    }
    .nav-wrap{
      display:flex; align-items:center; justify-content:space-between;
      gap:12px;
      padding:12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:10px; min-width:200px;
    }
    .ai-page-logo{
      width:42px; height:auto; border-radius:12px;
      box-shadow:0 12px 22px rgba(255,46,122,.15);
      background:#fff;
      padding:6px;
      border:1px solid rgba(18,20,39,.08);
    }
    .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{display:flex; align-items:center; gap:12px}
    .nav-links{
      display:flex; align-items:center; gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(18,20,39,.78);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(255,255,255,.7);
      border-color:rgba(18,20,39,.10);
      transform:translateY(-1px);
      color:rgba(18,20,39,.95);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px; justify-content:flex-end;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.70);
      color:rgba(18,20,39,.95);
      box-shadow:0 10px 24px rgba(17,19,35,.06);
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
      font-weight:650;
      font-size:13px;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:0 14px 32px rgba(17,19,35,.10);
      border-color:rgba(255,46,122,.35);
      background:#fff;
    }
    .btn-primary{
      border-color:rgba(255,46,122,.38);
      background:linear-gradient(135deg, rgba(255,46,122,.18) 0%, rgba(139,92,246,.18) 100%), rgba(255,255,255,.78);
    }
    .btn-accent{
      border-color:rgba(255,46,122,.45);
      background:linear-gradient(135deg, rgba(255,46,122,.95) 0%, rgba(139,92,246,.95) 100%);
      color:#fff;
      box-shadow:0 18px 42px rgba(255,46,122,.24);
    }
    .btn-accent:hover{
      transform:translateY(-1px);
      box-shadow:0 20px 52px rgba(255,46,122,.30);
    }

    .menu-btn{
      display:none;
      width:42px; height:42px;
      border-radius:14px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.75);
      align-items:center; justify-content:center;
      box-shadow:0 10px 24px rgba(17,19,35,.06);
      cursor:pointer;
    }
    .menu-btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus)}
    .hamburger{width:18px; height:12px; position:relative}
    .hamburger span{
      position:absolute; left:0; right:0;
      height:2px; background:rgba(18,20,39,.75);
      border-radius:4px;
      transition:transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .hamburger span:nth-child(1){top:0}
    .hamburger span:nth-child(2){top:5px}
    .hamburger span:nth-child(3){top:10px}

    .mobile-panel{
      display:none;
      padding:0 0 14px;
    }
    .mobile-panel .card{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(18,20,39,.10);
      border-radius:18px;
      padding:12px;
      box-shadow:0 16px 40px rgba(17,19,35,.10);
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:6px;
    }
    .mobile-links a{
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(18,20,39,.08);
      background:rgba(255,255,255,.65);
      color:rgba(18,20,39,.92);
      font-weight:620;
      font-size:13px;
    }
    .mobile-links a:active{transform:translateY(1px)}
    .mobile-actions{display:flex; gap:10px; margin-top:10px; flex-wrap:wrap}

    main{padding:26px 0 60px}

    .hero{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(18,20,39,.10);
      background:
        radial-gradient(900px 440px at 15% 0%, rgba(255,46,122,.22), transparent 60%),
        radial-gradient(780px 460px at 86% 18%, rgba(139,92,246,.22), transparent 58%),
        radial-gradient(620px 380px at 58% 62%, rgba(20,184,166,.14), transparent 60%),
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border-radius:26px;
      box-shadow:var(--shadow);
      padding:28px 0;
    }

    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:22px;
      align-items:stretch;
      padding:0 18px;
    }

    .hero-left{
      padding:22px 8px 18px;
    }
    .badge-row{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,46,122,.25);
      background:rgba(255,255,255,.65);
      color:rgba(18,20,39,.92);
      font-weight:650;
      font-size:12.5px;
    }
    .dot{
      width:10px; height:10px; border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent2));
      box-shadow:0 0 0 4px rgba(255,46,122,.12);
    }
    h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
    }
    .hero-sub{
      margin:12px 0 18px;
      color:rgba(18,20,39,.78);
      font-size:15px;
      line-height:1.7;
      max-width:60ch;
    }
    .hero-actions{
      display:flex; gap:12px; flex-wrap:wrap; align-items:center;
      margin-top:14px;
    }
    .hero-secondary{
      display:flex; gap:14px; align-items:center; flex-wrap:wrap;
      margin-top:18px;
      color:rgba(18,20,39,.75);
      font-size:13px;
    }
    .mini-stat{
      display:flex; gap:10px; align-items:center;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.60);
    }
    .spark{
      width:30px; height:30px;
      border-radius:12px;
      border:1px solid rgba(255,46,122,.22);
      background:linear-gradient(135deg, rgba(255,46,122,.18), rgba(139,92,246,.18));
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 12px 26px rgba(255,46,122,.15);
    }
    .spark svg{width:16px; height:16px; color:rgba(255,46,122,.95)}
    .hero-right{
      padding:18px;
      display:flex; flex-direction:column;
      gap:12px;
    }

    .pulse-card{
      border-radius:22px;
      border:1px solid rgba(18,20,39,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.66), rgba(255,255,255,.44));
      box-shadow:0 18px 44px rgba(17,19,35,.10);
      padding:16px;
      position:relative;
      overflow:hidden;
      transform:translateZ(0);
      animation:riseIn .7s ease both;
    }
    @keyframes riseIn{
      from{opacity:.0; transform:translateY(10px)}
      to{opacity:1; transform:translateY(0)}
    }
    .pulse-card::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(420px 220px at 20% 0%, rgba(255,46,122,.22), transparent 60%),
        radial-gradient(420px 220px at 90% 20%, rgba(139,92,246,.18), transparent 60%);
      opacity:.85;
      pointer-events:none;
    }
    .pulse-card > *{position:relative}
    .card-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:12px;
    }
    .card-title h2{
      margin:0;
      font-size:15px;
      letter-spacing:-.2px;
    }
    .chip{
      font-size:12px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(20,184,166,.26);
      background:rgba(20,184,166,.10);
      color:rgba(18,20,39,.88);
      font-weight:700;
      white-space:nowrap;
    }

    .metrics{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:4px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.60);
      padding:12px 12px;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .metric:hover{
      transform:translateY(-2px);
      box-shadow:0 14px 30px rgba(17,19,35,.10);
      border-color:rgba(255,46,122,.28);
    }
    .metric strong{display:block; font-size:16px; letter-spacing:-.3px}
    .metric span{display:block; margin-top:6px; font-size:12.5px; color:rgba(18,20,39,.70); line-height:1.35}
    .hero-right .help{
      border-radius:22px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.60);
      padding:14px;
      display:flex; gap:12px; align-items:flex-start;
    }
    .help .help-icon{
      width:40px; height:40px; border-radius:16px;
      background:linear-gradient(135deg, rgba(6,182,212,.18), rgba(245,158,11,.14));
      border:1px solid rgba(6,182,212,.24);
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 14px 26px rgba(6,182,212,.12);
      flex:0 0 auto;
    }
    .help .help-icon svg{width:18px; height:18px; color:rgba(6,182,212,.95)}
    .help p{
      margin:0;
      color:rgba(18,20,39,.78);
      font-size:13.5px;
      line-height:1.6;
    }
    .help p b{color:rgba(18,20,39,.95)}
    .section{
      padding:34px 0 10px;
    }
    .section-head{
      display:flex; align-items:flex-end; justify-content:space-between; gap:18px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.4px;
    }
    .section-head p{
      margin:0;
      color:rgba(18,20,39,.72);
      line-height:1.7;
      max-width:64ch;
      font-size:14px;
    }

    .grid-2{display:grid; grid-template-columns: 1fr 1fr; gap:14px}
    .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{
      border-radius:20px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.70);
      box-shadow:0 14px 30px rgba(17,19,35,.06);
      padding:16px;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(17,19,35,.10);
      border-color:rgba(255,46,122,.22);
    }
    .kicker{
      display:flex; align-items:center; gap:10px;
      margin-bottom:10px;
    }
    .kicker .icon{
      width:42px; height:42px;
      border-radius:16px;
      border:1px solid rgba(255,46,122,.20);
      background:linear-gradient(135deg, rgba(255,46,122,.18), rgba(139,92,246,.16));
      display:flex; align-items:center; justify-content:center;
      box-shadow:0 16px 34px rgba(255,46,122,.12);
      flex:0 0 auto;
    }
    .kicker .icon svg{width:18px; height:18px; color:rgba(255,46,122,.95)}
    .card h3{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .card p{
      margin:10px 0 0;
      color:rgba(18,20,39,.74);
      font-size:13.5px;
      line-height:1.7;
    }

    .list{
      margin:12px 0 0;
      padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      color:rgba(18,20,39,.78);
      font-size:13.5px;
      line-height:1.6;
    }
    .check{
      width:20px; height:20px; border-radius:8px;
      border:1px solid rgba(20,184,166,.25);
      background:rgba(20,184,166,.12);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .check svg{width:12px; height:12px; color:rgba(20,184,166,.95)}

    .timeline{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      position:relative;
      overflow:hidden;
    }
    .step .num{
      font-weight:900;
      font-size:26px;
      letter-spacing:-.6px;
      color:rgba(18,20,39,.14);
      margin-bottom:6px;
    }
    .step h3{font-size:15.5px}
    .step p{margin-top:10px}

    .compare-wrap{
      border-radius:22px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.62);
      box-shadow:0 18px 42px rgba(17,19,35,.08);
      overflow:hidden;
    }
    .compare-head{
      padding:16px;
      display:flex; align-items:center; justify-content:space-between; gap:14px;
      border-bottom:1px solid rgba(18,20,39,.08);
      background:
        radial-gradient(680px 220px at 0% 0%, rgba(255,46,122,.22), transparent 55%),
        radial-gradient(680px 220px at 90% 0%, rgba(139,92,246,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.56));
    }
    .grade{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:6px; align-items:center;
    }
    .star svg{width:18px; height:18px}
    .score{
      font-weight:950;
      font-size:24px;
      letter-spacing:-.7px;
      margin-left:6px;
    }
    .score span{
      font-size:12.5px;
      color:rgba(18,20,39,.62);
      font-weight:700;
      margin-left:8px;
      letter-spacing:0;
    }
    .compare-head .reco{
      display:flex; flex-direction:column; gap:6px;
      min-width:220px;
    }
    .reco strong{font-size:16px}
    .reco em{font-style:normal; color:rgba(18,20,39,.70); font-size:13.5px; line-height:1.5}
    .table-scroll{overflow:auto}
    table{
      width:100%;
      border-collapse:collapse;
      min-width:820px;
    }
    th, td{
      padding:14px 14px;
      border-bottom:1px solid rgba(18,20,39,.08);
      text-align:left;
      vertical-align:top;
      font-size:13.5px;
      color:rgba(18,20,39,.82);
    }
    th{
      background:rgba(255,255,255,.70);
      position:sticky; top:0;
      z-index:2;
      border-bottom:1px solid rgba(18,20,39,.12);
      font-weight:800;
      color:rgba(18,20,39,.92);
    }
    .tag{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.75);
      margin:4px 6px 0 0;
      font-weight:720;
      font-size:12.5px;
      color:rgba(18,20,39,.86);
    }
    .tag.good{
      border-color:rgba(20,184,166,.26);
      background:rgba(20,184,166,.12);
    }
    .tag.mid{
      border-color:rgba(245,158,11,.26);
      background:rgba(245,158,11,.10);
    }
    .tag.bad{
      border-color:rgba(255,46,122,.22);
      background:rgba(255,46,122,.10);
    }

    .two-col{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:14px;
    }
    .case-card{
      padding:14px;
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.58));
    }
    .case-card .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.72);
      font-weight:760; font-size:12.5px;
      color:rgba(18,20,39,.86);
      white-space:nowrap;
    }
    .pill .p1{width:10px; height:10px; border-radius:50%; background:linear-gradient(135deg,var(--accent),var(--accent2))}
    .case-title{
      margin:0;
      font-size:15.5px;
      letter-spacing:-.2px;
    }
    .case-card p{
      margin:10px 0 0;
      color:rgba(18,20,39,.74);
      font-size:13.5px;
      line-height:1.7;
    }
    .thumb{
      margin-top:12px;
      border-radius:16px;
      border:1px solid rgba(18,20,39,.10);
      background:
        radial-gradient(300px 120px at 20% 0%, rgba(255,46,122,.20), transparent 60%),
        radial-gradient(260px 140px at 90% 40%, rgba(139,92,246,.18), transparent 60%),
        linear-gradient(135deg, rgba(6,182,212,.08), rgba(245,158,11,.06));
      height:120px;
      position:relative;
      overflow:hidden;
    }
    .thumb::after{
      content:"";
      position:absolute; inset:-40px;
      background:conic-gradient(from 180deg, rgba(255,46,122,.18), rgba(139,92,246,.18), rgba(20,184,166,.14), rgba(255,46,122,.18));
      filter:blur(18px);
      opacity:.55;
      animation:floatGlow 8s ease-in-out infinite;
    }
    @keyframes floatGlow{
      0%,100%{transform:translate3d(0,0,0) rotate(0deg)}
      50%{transform:translate3d(14px,10px,0) rotate(10deg)}
    }
    .thumb .label{
      position:absolute; left:12px; bottom:12px; right:12px;
      display:flex; gap:10px; flex-wrap:wrap;
      z-index:1;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.70);
      display:flex; gap:12px; align-items:flex-start;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .article-item:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(17,19,35,.10);
      border-color:rgba(139,92,246,.26);
    }
    .article-bullet{
      width:40px; height:40px; border-radius:16px;
      border:1px solid rgba(139,92,246,.24);
      background:linear-gradient(135deg, rgba(139,92,246,.16), rgba(255,46,122,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .article-bullet svg{width:18px; height:18px; color:rgba(139,92,246,.95)}
    .article-item a{
      display:block;
      width:100%;
    }
    .article-item .t{
      font-weight:860;
      letter-spacing:-.2px;
      margin:0;
      font-size:14.5px;
    }
    .article-item .m{
      margin:6px 0 0;
      color:rgba(18,20,39,.72);
      font-size:13.2px;
      line-height:1.6;
    }
    .article-meta{
      margin-top:10px;
      display:flex; gap:10px; flex-wrap:wrap; color:rgba(18,20,39,.62); font-size:12.5px;
      font-weight:700;
    }
    .side-media{
      border-radius:22px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.62);
      padding:14px;
      overflow:hidden;
    }
    .media-head{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .media-head strong{font-size:15px}
    .media-grid{
      display:grid; grid-template-columns:1fr 1fr; gap:10px;
    }
    .img-box{
      border-radius:18px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.75);
      overflow:hidden;
    }
    .img-box img{
      width:100%; height:auto; display:block;
    }
    .img-caption{
      padding:10px 12px 12px;
    }
    .img-caption span{
      display:block;
      font-size:12.8px;
      color:rgba(18,20,39,.70);
      line-height:1.5;
      font-weight:650;
    }
    .img-caption strong{
      display:block;
      font-size:13.7px;
      margin-top:6px;
      letter-spacing:-.2px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .faq-item{
      border-radius:20px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.70);
      overflow:hidden;
      box-shadow:0 14px 30px rgba(17,19,35,.06);
    }
    details.faq{
      padding:0;
    }
    details.faq > summary{
      list-style:none;
      cursor:pointer;
      padding:14px 16px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      user-select:none;
      font-weight:820;
      letter-spacing:-.2px;
    }
    details.faq > summary::-webkit-details-marker{display:none}
    .faq-q{
      font-size:14.5px;
      color:rgba(18,20,39,.92);
      line-height:1.6;
    }
    .faq-ico{
      width:36px; height:36px; border-radius:14px;
      background:linear-gradient(135deg, rgba(255,46,122,.14), rgba(139,92,246,.14));
      border:1px solid rgba(255,46,122,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:-4px;
      transition:transform .18s ease;
    }
    details[open].faq .faq-ico{
      transform:rotate(45deg);
    }
    .faq-a{
      padding:0 16px 14px;
      color:rgba(18,20,39,.74);
      font-size:13.5px;
      line-height:1.75;
    }
    .faq-a p{margin:10px 0 0}
    .faq-a ul{margin:10px 0 0; padding-left:18px}
    .faq-a li{margin:6px 0}

    .form-card{
      border-radius:22px;
      border:1px solid rgba(18,20,39,.10);
      background:
        radial-gradient(620px 240px at 0% 0%, rgba(255,46,122,.22), transparent 55%),
        radial-gradient(620px 240px at 95% 10%, rgba(139,92,246,.18), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.76), rgba(255,255,255,.56));
      box-shadow:0 18px 44px rgba(17,19,35,.10);
      padding:16px;
    }
    form .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-top:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:7px;
    }
    label{
      font-size:13px;
      color:rgba(18,20,39,.78);
      font-weight:780;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(18,20,39,.14);
      background:rgba(255,255,255,.76);
      color:rgba(18,20,39,.95);
      font-size:14px;
      transition:box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{min-height:112px; resize:vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      border-color:rgba(255,46,122,.45);
      box-shadow:0 0 0 4px var(--focus);
      background:#fff;
    }
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-top:14px;
      flex-wrap:wrap;
    }
    .hint{
      color:rgba(18,20,39,.68);
      font-size:12.8px;
      line-height:1.6;
      max-width:52ch;
      font-weight:650;
    }
    .submit-status{
      font-size:12.5px;
      color:rgba(18,20,39,.72);
      font-weight:700;
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.68);
      display:none;
    }

    .review-grid{
      display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;
    }
    .review{
      padding:16px;
      position:relative;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.74), rgba(255,255,255,.56));
    }
    .review::after{
      content:"";
      position:absolute; inset:-2px;
      background:
        radial-gradient(420px 140px at 10% 0%, rgba(255,46,122,.18), transparent 60%),
        radial-gradient(420px 140px at 90% 10%, rgba(139,92,246,.16), transparent 60%);
      opacity:.65;
      pointer-events:none;
    }
    .review > *{position:relative}
    .review-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .avatar{
      width:42px; height:42px; border-radius:18px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.75);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color:rgba(18,20,39,.85);
      box-shadow:0 14px 30px rgba(17,19,35,.08);
    }
    .review-role{
      font-weight:860;
      font-size:13px;
      letter-spacing:-.1px;
      color:rgba(18,20,39,.88);
    }
    .review p{
      margin:0;
      color:rgba(18,20,39,.74);
      font-size:13.5px;
      line-height:1.8;
    }
    .review .meta{
      margin-top:12px;
      display:flex; gap:10px; flex-wrap:wrap; color:rgba(18,20,39,.62); font-size:12.5px; font-weight:720;
    }

    .label-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .cloud{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.72);
      font-weight:820;
      color:rgba(18,20,39,.82);
      font-size:12.6px;
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .cloud:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(17,19,35,.10);
      border-color:rgba(20,184,166,.26);
    }

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

    .network{
      display:grid; grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .network .net{
      border-radius:20px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.70);
      padding:14px;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    .network .net:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(17,19,35,.10);
      border-color:rgba(6,182,212,.28);
    }
    .net strong{font-size:15px}
    .net p{
      margin:8px 0 0;
      color:rgba(18,20,39,.74);
      font-size:13.5px;
      line-height:1.7;
    }

    .footer{
      background:
        radial-gradient(760px 260px at 10% 0%, rgba(255,46,122,.18), transparent 60%),
        radial-gradient(760px 260px at 90% 10%, rgba(139,92,246,.16), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, rgba(250,250,255,.96) 100%);
      border-top:1px solid rgba(18,20,39,.08);
      padding:22px 0 18px;
      color:rgba(18,20,39,.84);
    }
    .footer-grid{
      display:grid; grid-template-columns: 1.2fr .8fr;
      gap:14px; align-items:start;
    }
    .footer p{margin:10px 0 0; color:rgba(18,20,39,.72); line-height:1.7; font-size:13.5px}
    .footer-links{
      display:flex; flex-direction:column; gap:10px; align-items:flex-start;
    }
    .footer-links strong{font-size:14.5px}
    .footer-links .linklist{display:flex; flex-direction:column; gap:8px}
    .footer-links a{
      font-size:13.5px;
      color:rgba(18,20,39,.78);
      padding:8px 10px;
      border-radius:14px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.70);
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      max-width:100%;
    }
    .footer-links a:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(17,19,35,.10);
      border-color:rgba(255,46,122,.22);
    }
    .copyright{
      margin-top:14px;
      padding-top:14px;
      border-top:1px dashed rgba(18,20,39,.14);
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      color:rgba(18,20,39,.62);
      font-size:12.5px;
      font-weight:700;
    }
    .foot-small{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
    }

    .floating{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex; flex-direction:column; gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      border:none;
      cursor:pointer;
      border-radius:18px;
      padding:12px 12px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(18,20,39,.12);
      box-shadow:0 18px 42px rgba(17,19,35,.12);
      display:flex; align-items:center; justify-content:center; gap:10px;
      transition:transform .16s ease, box-shadow .16s ease, border-color .16s ease;
      color:rgba(18,20,39,.92);
      font-weight:900;
    }
    .float-btn:hover{
      transform:translateY(-2px);
      border-color:rgba(255,46,122,.22);
      box-shadow:0 22px 56px rgba(17,19,35,.16);
    }
    .float-btn svg{width:18px; height:18px}
    .float-label{
      display:none;
      font-size:12.5px;
      font-weight:800;
      color:rgba(18,20,39,.78);
    }
    .float-btn.big{
      border-radius:22px;
      padding:12px 14px;
    }
    .float-btn.big .float-label{display:inline}
    .float-pop{
      pointer-events:auto;
      position:absolute;
      right:0; bottom:56px;
      width:min(280px, calc(100vw - 28px));
      border-radius:22px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.86);
      box-shadow:0 26px 70px rgba(17,19,35,.20);
      overflow:hidden;
      display:none;
      transform-origin:100% 100%;
      animation:popIn .18s ease both;
    }
    @keyframes popIn{
      from{opacity:0; transform:translateY(6px) scale(.98)}
      to{opacity:1; transform:translateY(0) scale(1)}
    }
    .float-pop .pop-head{
      padding:12px 14px;
      border-bottom:1px solid rgba(18,20,39,.08);
      display:flex; justify-content:space-between; align-items:center; gap:10px;
      background:linear-gradient(135deg, rgba(255,46,122,.10), rgba(139,92,246,.10));
    }
    .pop-head strong{font-size:13.5px; letter-spacing:-.2px}
    .pop-close{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(18,20,39,.12);
      background:rgba(255,255,255,.8);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .pop-body{
      padding:12px 14px 14px;
    }
    .pop-body p{
      margin:0 0 10px;
      color:rgba(18,20,39,.72);
      font-size:12.8px;
      line-height:1.6;
      font-weight:700;
    }
    .pop-qrcode{
      display:flex; gap:12px; align-items:flex-start;
    }
    .pop-qrcode img{
      width:92px; height:auto;
      border-radius:16px;
      border:1px solid rgba(18,20,39,.10);
      background:#fff;
      padding:6px;
    }
    .pop-qrcode .meta{
      font-size:12.8px;
      line-height:1.7;
      color:rgba(18,20,39,.74);
      font-weight:720;
      margin:0;
    }

    .case-media{
      display:grid;
      grid-template-columns:1fr;
      gap:12px;
    }

    .img-banner-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .banner-stack{
      border-radius:22px;
      border:1px solid rgba(18,20,39,.10);
      background:rgba(255,255,255,.62);
      padding:14px;
      overflow:hidden;
    }
    .banner-stack h3{margin:0; font-size:15.5px}
    .banner-stack p{margin:10px 0 0; color:rgba(18,20,39,.72); font-size:13.5px; line-height:1.7}
    .img-strip{
      display:flex;
      gap:10px;
      margin-top:12px;
      flex-wrap:wrap;
    }
    .img-strip .mini{
      width:calc(33.333% - 6.7px);
      min-width:130px;
      border-radius:18px;
      border:1px solid rgba(18,20,39,.10);
      background:#fff;
      overflow:hidden;
    }
    .img-strip img{
      width:100%; height:auto; display:block;
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; padding:0 10px}
      .hero-left{padding:10px 4px 8px}
      h1{font-size:30px}
      .grid-3{grid-template-columns:1fr}
      .grid-2{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr 1fr}
      .review-grid{grid-template-columns:1fr}
      .case-grid{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr}
      .two-col{grid-template-columns:1fr}
      .network{grid-template-columns:1fr}
      .partner-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .img-banner-row{grid-template-columns:1fr}
    }

    @media (max-width: 860px){
      nav{display:none}
      .menu-btn{display:flex}
      .mobile-panel{display:block}
      .nav-wrap{padding:10px 0}
      .pulse-card{animation:none}
    }

    @media (max-width: 520px){
      .metrics{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      form .row{grid-template-columns:1fr}
      .hero-sub{font-size:14.5px}
      h1{font-size:26px}
      .case-card .top{flex-direction:column; align-items:flex-start}
      .img-strip .mini{min-width:0; width:100%}
      .float-btn.big{max-width:180px}
    }