:root{
      --bg0:#070814;
      --bg1:#0b0f2a;
      --card:#0f1436cc;
      --card2:#0d1230;
      --stroke:rgba(255,255,255,.10);
      --stroke2:rgba(255,255,255,.14);
      --text:#E9ECFF;
      --muted:rgba(233,236,255,.72);
      --muted2:rgba(233,236,255,.58);
      --brand1:#FF4FD8;
      --brand2:#7C4DFF;
      --brand3:#27D6FF;
      --good:#37E3A2;
      --warn:#FFB020;
      --shadow: 0 18px 40px rgba(0,0,0,.35);
      --shadow2: 0 10px 30px rgba(0,0,0,.28);
      --radius:18px;
      --radius2:14px;
      --container:1140px;
      --container-pad:20px;
      --focus: 0 0 0 3px rgba(255,79,216,.35);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 12% -10%, rgba(255,79,216,.28), transparent 60%),
        radial-gradient(1000px 600px at 82% 10%, rgba(124,77,255,.30), transparent 60%),
        radial-gradient(900px 520px at 65% 90%, rgba(39,214,255,.20), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    a:focus, button:focus, input:focus, select:focus, textarea:focus{
      outline:none;
      box-shadow: var(--focus);
      border-color: rgba(255,79,216,.55)!important;
    }
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 var(--container-pad);
    }
    .skip{
      position:absolute;
      left:-9999px;
      top:auto;
      width:1px;height:1px;
      overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; width:auto; height:auto;
      background:#0b0f2a;
      border:1px solid var(--stroke2);
      padding:10px 12px;
      border-radius:10px;
      z-index:9999;
    }

    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: linear-gradient(180deg, rgba(7,8,20,.78), rgba(7,8,20,.45));
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 0;
      gap:16px;
      flex-wrap:wrap;
    }
    .brand{
      display:flex; align-items:center; gap:12px;
      min-width: 220px;
    }
    .ai-page-logo{
      width:44px;
      height:44px;
      object-fit:contain;
      filter: drop-shadow(0 10px 18px rgba(255,79,216,.22));
    }
    .brand .name{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand .name strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand .name span{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }

    nav[aria-label="主导航"]{
      display:flex;
      align-items:center;
      gap:14px;
      flex: 1;
      justify-content:flex-end;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      padding:9px 10px;
      border-radius:999px;
      font-size:13px;
      color:rgba(233,236,255,.82);
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.10);
      transform: translateY(-1px);
    }
    .nav-actions{
      display:flex; align-items:center; gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      color:var(--text);
      font-weight:650;
      font-size:14px;
      letter-spacing:.1px;
      box-shadow: 0 10px 25px rgba(0,0,0,.18);
      transition: transform .16s ease, background .16s ease, border-color .16s ease, box-shadow .16s ease;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      border-color: rgba(255,255,255,.20);
      background: rgba(255,255,255,.085);
      box-shadow: 0 14px 32px rgba(0,0,0,.25);
    }
    .btn:active{
      transform: translateY(0px);
    }
    .btn-primary{
      border-color: rgba(255,79,216,.35);
      background: linear-gradient(135deg, rgba(255,79,216,.20), rgba(124,77,255,.18));
      position:relative;
      overflow:hidden;
    }
    .btn-primary::before{
      content:"";
      position:absolute;
      inset:-2px;
      background: radial-gradient(260px 120px at 20% 10%, rgba(255,79,216,.45), transparent 60%),
                  radial-gradient(260px 120px at 70% 30%, rgba(124,77,255,.35), transparent 55%),
                  radial-gradient(220px 120px at 40% 80%, rgba(39,214,255,.22), transparent 60%);
      opacity:.7;
      pointer-events:none;
      transform: translateY(10px);
      transition: opacity .2s ease, transform .35s ease;
    }
    .btn-primary:hover::before{
      opacity:1;
      transform: translateY(0px);
    }
    .btn-primary span{position:relative; z-index:1;}
    .btn-ghost{
      background: rgba(255,255,255,.04);
    }
    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      align-items:center;
      justify-content:center;
      cursor:pointer;
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
    }
    .hamburger:hover{transform: translateY(-1px); background: rgba(255,255,255,.085); border-color: rgba(255,255,255,.20);}
    .hamburger .lines{
      width:18px; height:12px; position:relative;
    }
    .hamburger .lines::before,
    .hamburger .lines::after,
    .hamburger .lines span{
      content:"";
      position:absolute; left:0; right:0;
      height:2px; border-radius:2px;
      background: rgba(233,236,255,.85);
    }
    .hamburger .lines::before{top:0}
    .hamburger .lines span{top:5px}
    .hamburger .lines::after{bottom:0}

    .mobile-drawer{
      display:none;
      border-top:1px solid rgba(255,255,255,.08);
      padding:10px 0 16px;
    }
    .mobile-drawer .drawer-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
    }
    .mobile-drawer a{
      padding:11px 12px;
      border-radius:12px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      font-size:13px;
      color: rgba(233,236,255,.86);
      transition: transform .16s ease, background .16s ease;
    }
    .mobile-drawer a:hover{transform: translateY(-1px); background: rgba(255,255,255,.08);}

    main{padding-bottom:26px;}
    .hero{
      position:relative;
      padding:46px 0 26px;
    }
    .hero::after{
      content:"";
      position:absolute;
      left:50%;
      top:40px;
      transform: translateX(-50%);
      width:min(980px, 100%);
      height: 420px;
      background:
        radial-gradient(closest-side at 40% 35%, rgba(255,79,216,.30), transparent 65%),
        radial-gradient(closest-side at 70% 30%, rgba(124,77,255,.30), transparent 62%),
        radial-gradient(closest-side at 55% 70%, rgba(39,214,255,.18), transparent 60%);
      filter: blur(2px);
      opacity:.95;
      pointer-events:none;
      z-index:0;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1.08fr .92fr;
      gap:20px;
      align-items:start;
    }
    .hero-left{
      padding:14px 0 0;
    }
    .badge{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:999px;
      background: rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(233,236,255,.90);
      font-size:13px;
      letter-spacing:.2px;
      margin-bottom:16px;
      box-shadow: 0 14px 28px rgba(0,0,0,.18);
    }
    .pulse-dot{
      width:10px; height:10px;
      border-radius:50%;
      background: linear-gradient(180deg, var(--brand1), var(--brand2));
      box-shadow: 0 0 0 0 rgba(255,79,216,.45);
      animation: pulse 1.6s ease-in-out infinite;
    }
    @keyframes pulse{
      0%{box-shadow: 0 0 0 0 rgba(255,79,216,.38)}
      70%{box-shadow: 0 0 0 14px rgba(255,79,216,0)}
      100%{box-shadow: 0 0 0 0 rgba(255,79,216,0)}
    }
    .hero h1{
      font-size: clamp(24px, 3.2vw, 40px);
      margin:0 0 12px;
      line-height:1.12;
      letter-spacing:-.4px;
    }
    .hero p.lead{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
      max-width: 56ch;
    }
    .hero-cta{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-bottom: 20px;
    }
    .hero-note{
      display:flex; gap:12px; flex-wrap:wrap;
      align-items:center;
      color: var(--muted2);
      font-size:12.5px;
      line-height:1.5;
    }
    .hero-note .mini{
      display:flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:12px;
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.09);
    }
    .mini svg{opacity:.95}

    .hero-right{
      padding:10px 0;
    }
    .glow-panel{
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.12);
      box-shadow: var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .glow-panel::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(260px 160px at 25% 10%, rgba(255,79,216,.35), transparent 65%),
        radial-gradient(260px 160px at 85% 25%, rgba(124,77,255,.35), transparent 65%),
        radial-gradient(240px 140px at 60% 85%, rgba(39,214,255,.22), transparent 60%);
      opacity:.8;
      pointer-events:none;
    }
    .panel-content{
      position:relative;
      padding:18px 16px 16px;
    }
    .panel-title{
      display:flex; align-items:flex-start; justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .panel-title h2{
      margin:0;
      font-size:16px;
      letter-spacing:.1px;
    }
    .chip{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      color: rgba(233,236,255,.88);
      font-size:12.5px;
      white-space:nowrap;
    }
    .chip .k{
      width:20px; height:20px;
      border-radius:8px;
      background: linear-gradient(135deg, rgba(255,79,216,.35), rgba(124,77,255,.30));
      display:flex; align-items:center; justify-content:center;
      border:1px solid rgba(255,255,255,.12);
    }

    .metrics{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-bottom: 14px;
    }
    .metric{
      border-radius:14px;
      background: rgba(10,14,40,.55);
      border:1px solid rgba(255,255,255,.10);
      padding:12px 12px 11px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
      min-height:92px;
    }
    .metric:hover{
      transform: translateY(-2px);
      border-color: rgba(255,79,216,.26);
      background: rgba(10,14,40,.70);
    }
    .metric .v{
      font-size:20px;
      font-weight:820;
      letter-spacing:-.3px;
      margin-bottom:6px;
      display:flex;
      align-items:baseline;
      gap:8px;
    }
    .metric .v em{
      font-style:normal;
      font-size:12px;
      color: rgba(233,236,255,.72);
      font-weight:650;
    }
    .metric .t{
      color: var(--muted);
      font-size:12.8px;
      line-height:1.5;
    }

    .panel-split{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
      margin-top: 10px;
    }
    .panel-list{
      display:grid; gap:10px;
    }
    .panel-item{
      display:flex; align-items:flex-start; gap:10px;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      transition: transform .18s ease, border-color .18s ease;
    }
    .panel-item:hover{
      transform: translateY(-1px);
      border-color: rgba(39,214,255,.22);
    }
    .panel-item .bullet{
      width:28px; height:28px;
      border-radius:12px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(39,214,255,.18), rgba(124,77,255,.18));
      border:1px solid rgba(255,255,255,.12);
      flex:0 0 auto;
    }
    .panel-item .txt strong{
      display:block;
      font-size:13.6px;
      margin-bottom:2px;
      letter-spacing:.1px;
    }
    .panel-item .txt span{
      display:block;
      color: var(--muted);
      font-size:12.6px;
      line-height:1.5;
    }

    section{
      padding: 36px 0;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between;
      gap:16px;
      margin-bottom: 18px;
      flex-wrap:wrap;
    }
    .section-title h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.2px;
    }
    .section-title p{
      margin:0;
      color: var(--muted);
      max-width: 72ch;
      line-height:1.7;
      font-size:14px;
    }
    .divider{
      height:1px;
      background: linear-gradient(90deg, rgba(255,79,216,.0), rgba(255,79,216,.35), rgba(124,77,255,.30), rgba(39,214,255,.0));
      margin: 18px 0 0;
      opacity:.9;
    }

    .cards-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .card{
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .card-inner{padding:16px}
    .card h3{
      margin:0 0 8px;
      font-size:16px;
      letter-spacing:.1px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      line-height:1.75;
      font-size:14px;
    }
    .tagrow{
      display:flex; gap:8px; flex-wrap:wrap;
      margin-top:12px;
    }
    .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      color: rgba(233,236,255,.86);
    }

    .service-card{
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      position:relative;
    }
    .service-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(300px 150px at 15% 10%, rgba(255,79,216,.26), transparent 62%),
        radial-gradient(250px 150px at 85% 25%, rgba(124,77,255,.25), transparent 60%),
        radial-gradient(240px 140px at 50% 95%, rgba(39,214,255,.18), transparent 60%);
      opacity:.7;
      pointer-events:none;
    }
    .service-card .card-inner{position:relative; padding:16px 16px 15px;}
    .service-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom: 10px;
    }
    .glyph{
      width:44px; height:44px;
      border-radius:16px;
      background: linear-gradient(135deg, rgba(255,79,216,.20), rgba(124,77,255,.18));
      border:1px solid rgba(255,255,255,.12);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 26px rgba(0,0,0,.25);
      flex:0 0 auto;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .step{
      grid-column: span 3;
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease;
    }
    .step:hover{transform: translateY(-2px); border-color: rgba(255,79,216,.22)}
    .step::after{
      content:"";
      position:absolute;
      right:-40px; top:-40px;
      width:120px; height:120px;
      border-radius:50%;
      background: radial-gradient(circle at 30% 30%, rgba(255,79,216,.25), transparent 60%);
      opacity:.9;
      pointer-events:none;
    }
    .step .inner{padding:16px 15px 15px; position:relative}
    .step .num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:34px; height:34px;
      border-radius:14px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      font-weight:820;
      color: rgba(233,236,255,.95);
      margin-bottom:10px;
    }
    .step h3{margin:0 0 6px; font-size:15.4px}
    .step p{margin:0; color:var(--muted); font-size:13.8px; line-height:1.7}

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

    .compare-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      overflow:hidden;
      box-shadow: var(--shadow2);
    }
    .compare-head{
      padding:14px 16px;
      border-bottom:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .starbox{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .stars{
      display:flex; gap:3px; align-items:center;
    }
    .stars svg{width:18px; height:18px}
    .score{
      display:flex; align-items:baseline; gap:8px;
      font-weight:900;
    }
    .score strong{font-size:24px; letter-spacing:-.4px}
    .score span{color:var(--muted); font-size:13px; font-weight:700}
    .compare-note{
      color:var(--muted);
      font-size:13.5px;
      line-height:1.6;
      max-width: 70ch;
    }
    .table-scroll{
      overflow:auto;
    }
    table{
      width:100%;
      border-collapse: collapse;
      min-width: 760px;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13.6px;
      vertical-align:top;
    }
    th{
      text-align:left;
      color: rgba(233,236,255,.90);
      font-weight:850;
      background: rgba(255,255,255,.03);
      position:sticky;
      top:0;
      z-index:2;
    }
    td{
      color: rgba(233,236,255,.78);
    }
    .goodpill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(55,227,162,.10);
      border:1px solid rgba(55,227,162,.25);
      color: rgba(196,255,234,.95);
      font-weight:750;
      white-space:nowrap;
    }
    .pill{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 10px;
      border-radius:999px;
      background: rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      color: rgba(233,236,255,.84);
      font-weight:720;
      white-space:nowrap;
    }
    .muteline{color:var(--muted); font-size:13px; line-height:1.6}

    .faq-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .faq-card{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .faq-item{
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .faq-item:last-child{border-bottom:none}
    .faq-btn{
      width:100%;
      text-align:left;
      padding:14px 14px;
      background: transparent;
      border:0;
      color: rgba(233,236,255,.92);
      cursor:pointer;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight:820;
      letter-spacing:.05px;
    }
    .faq-btn .q{
      font-size:14.4px;
      line-height:1.45;
      flex:1;
      padding-right:12px;
    }
    .faq-btn .chev{
      flex:0 0 auto;
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease, background .2s ease, border-color .2s ease;
      margin-top:-2px;
    }
    .faq-item[data-open="true"] .faq-btn .chev{
      transform: rotate(180deg);
      border-color: rgba(255,79,216,.22);
      background: rgba(255,79,216,.10);
    }
    .faq-panel{
      max-height:0;
      overflow:hidden;
      transition: max-height .25s ease;
    }
    .faq-item[data-open="true"] .faq-panel{
      max-height: 260px;
    }
    .faq-panel .a{
      padding:0 14px 14px;
      color: var(--muted);
      font-size:13.8px;
      line-height:1.75;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
    }
    .comment{
      grid-column: span 4;
      background: rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.10);
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      padding:16px 16px 15px;
      position:relative;
      overflow:hidden;
      transition: transform .18s ease, border-color .18s ease;
    }
    .comment:hover{transform: translateY(-2px); border-color: rgba(124,77,255,.22)}
    .comment::before{
      content:"";
      position:absolute;
      left:-60px; top:-60px;
      width:160px; height:160px;
      background: radial-gradient(circle at 30% 30%, rgba(124,77,255,.22), transparent 60%);
      pointer-events:none;
      opacity:.9;
    }
    .comment .top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      position:relative;
    }
    .avatar{
      width:44px; height:44px; border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: linear-gradient(135deg, rgba(255,79,216,.18), rgba(39,214,255,.12));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      letter-spacing:-.3px;
    }
    .person strong{display:block; font-size:14.4px; margin-bottom:4px}
    .person span{color:var(--muted); font-size:12.6px; line-height:1.4; display:block}
    .stars-small{
      display:flex; gap:2px; align-items:center; margin-top:2px;
      position:relative;
    }
    .comment p{
      margin:12px 0 0;
      position:relative;
      color: rgba(233,236,255,.76);
      line-height:1.75;
      font-size:13.8px;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(12, 1fr);
      gap:14px;
      align-items:stretch;
    }
    .case{
      grid-column: span 6;
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
      transition: transform .18s ease, border-color .18s ease;
    }
    .case:hover{transform: translateY(-2px); border-color: rgba(39,214,255,.22)}
    .case .imgWrap{
      padding: 14px 14px 0;
    }
    .case img{
      width:100%;
      height:auto;
      border-radius: 14px;
      border:1px solid rgba(255,255,255,.10);
      display:block;
      object-fit: cover;
      background: rgba(255,255,255,.03);
    }
    .case .content{
      padding: 14px 14px 15px;
    }
    .case .meta{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      margin-bottom:8px;
    }
    .case .meta .badge2{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.05);
      color: rgba(233,236,255,.86);
    }
    .case h3{
      margin:0 0 6px;
      font-size:15.6px;
      letter-spacing:.1px;
    }
    .case p{
      margin:0;
      color: var(--muted);
      line-height:1.75;
      font-size:13.8px;
    }
    .case .actions{
      margin-top:12px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .linkbtn{
      display:inline-flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
      color: rgba(233,236,255,.92);
      font-weight:750;
      font-size:13.6px;
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
      cursor:pointer;
      user-select:none;
    }
    .linkbtn:hover{transform: translateY(-1px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18)}
    .linkbtn.primary{
      border-color: rgba(255,79,216,.35);
      background: linear-gradient(135deg, rgba(255,79,216,.18), rgba(124,77,255,.16));
    }

    .logostrip{
      display:flex; gap:10px; flex-wrap:wrap; align-items:center;
      padding:12px 12px;
      border-radius: var(--radius);
      border:1px dashed rgba(255,255,255,.18);
      background: rgba(255,255,255,.02);
    }
    .logostrip span{
      font-size:12.8px;
      color: rgba(233,236,255,.78);
      padding:8px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      white-space:nowrap;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .titem{
      display:flex; gap:12px;
      padding:14px 14px;
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      align-items:flex-start;
    }
    .titem .dot{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background: linear-gradient(135deg, rgba(255,79,216,.18), rgba(39,214,255,.12));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:2px;
      box-shadow: 0 12px 24px rgba(0,0,0,.24);
    }
    .titem strong{display:block; font-size:14.6px; margin-bottom:4px}
    .titem span{display:block; color:var(--muted); line-height:1.7; font-size:13.8px}

    .form-card{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.03);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .form-head{
      padding:16px 16px 14px;
      border-bottom:1px solid rgba(255,255,255,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    }
    .form-head h3{margin:0; font-size:16px}
    .form-head p{margin:0; color:var(--muted); font-size:13.6px; line-height:1.6}
    form{
      padding:16px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .field{
      display:flex; flex-direction:column; gap:8px;
    }
    .field.full{grid-column: 1 / -1;}
    label{
      font-size:12.8px;
      color: rgba(233,236,255,.84);
      font-weight:750;
      letter-spacing:.08px;
    }
    input, select, textarea{
      width:100%;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(10,14,40,.60);
      color: rgba(233,236,255,.94);
      padding:12px 12px;
      font-size:14px;
      transition: border-color .16s ease, background .16s ease;
    }
    textarea{min-height:108px; resize:vertical}
    input::placeholder, textarea::placeholder{color: rgba(233,236,255,.45)}
    .form-actions{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      grid-column: 1 / -1;
      margin-top:4px;
    }
    .fineprint{
      color: var(--muted2);
      font-size:12.4px;
      line-height:1.5;
      max-width: 52ch;
    }

    footer{
      border-top:1px solid rgba(255,255,255,.10);
      background: rgba(7,8,20,.55);
      padding: 22px 0;
    }
    .footer-inner{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:14px;
      align-items:start;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-brand .l img{
      width:44px; height:44px; object-fit:contain;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      padding:6px;
    }
    .foot-brand .r strong{display:block; font-size:15px; margin-bottom:6px}
    .foot-brand .r span{display:block; color:var(--muted); font-size:13.4px; line-height:1.75}
    .foot-links{
      display:flex; flex-direction:column; gap:10px;
    }
    .foot-links .row{
      display:flex; gap:10px; flex-wrap:wrap;
      align-items:center;
      justify-content:flex-start;
    }
    .footer a{
      color: rgba(233,236,255,.82);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
      font-size:13px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      white-space:nowrap;
    }
    .footer a:hover{transform: translateY(-1px); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18)}
    .copy{
      margin-top:14px;
      color: var(--muted2);
      font-size:12.6px;
      line-height:1.7;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    .floating{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:90;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-card{
      width:210px;
      border-radius: 18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(10,14,40,.70);
      box-shadow: 0 18px 44px rgba(0,0,0,.45);
      overflow:hidden;
      transform-origin: right bottom;
      transform: translateY(6px);
      opacity: 0;
      pointer-events:none;
      transition: opacity .2s ease, transform .22s ease;
    }
    .float-card.show{
      opacity: 1;
      transform: translateY(0px);
      pointer-events:auto;
    }
    .float-top{
      padding:12px 12px 10px;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      border-bottom:1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    }
    .float-top strong{font-size:13.6px}
    .float-top button{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
      color: rgba(233,236,255,.92);
      cursor:pointer;
    }
    .float-top button:hover{background: rgba(255,255,255,.08)}
    .float-body{
      padding:12px;
      display:grid;
      grid-template-columns: 74px 1fr;
      gap:12px;
      align-items:start;
    }
    .float-body img{
      width:74px; height:74px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      padding:6px;
      object-fit:cover;
    }
    .float-body .txt strong{display:block; font-size:13.6px; margin-bottom:6px}
    .float-body .txt span{display:block; color:var(--muted); font-size:12.8px; line-height:1.6}
    .float-actions{
      padding:0 12px 12px;
      display:flex; gap:10px; flex-wrap:wrap;
      justify-content:space-between;
      align-items:center;
    }
    .smallbtn{
      flex:1;
      padding:10px 12px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
      color: rgba(233,236,255,.92);
      font-weight:800;
      font-size:13px;
      cursor:pointer;
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
    }
    .smallbtn:hover{transform: translateY(-1px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18)}
    .smallbtn.primary{
      border-color: rgba(255,79,216,.35);
      background: linear-gradient(135deg, rgba(255,79,216,.18), rgba(124,77,255,.16));
    }

    .float-toggle{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      box-shadow: 0 16px 40px rgba(0,0,0,.40);
      transition: transform .16s ease, background .16s ease, border-color .16s ease;
    }
    .float-toggle:hover{transform: translateY(-2px); background: rgba(255,255,255,.085); border-color: rgba(255,255,255,.20)}

    .toTop{
      width:48px; height:48px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      box-shadow: 0 16px 40px rgba(0,0,0,.40);
      transition: transform .16s ease, background .16s ease, border-color .16s ease, opacity .2s ease;
      opacity:0;
      pointer-events:none;
    }
    .toTop.show{opacity:1; pointer-events:auto}
    .toTop:hover{transform: translateY(-2px); background: rgba(255,255,255,.085); border-color: rgba(255,255,255,.20)}

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

    .anchor{
      scroll-margin-top: 92px;
    }

    .article-list{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .article{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      padding:14px 14px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      transition: transform .18s ease, border-color .18s ease;
    }
    .article:hover{transform: translateY(-2px); border-color: rgba(255,79,216,.22)}
    .article .left strong{
      display:block;
      font-size:14.6px;
      margin-bottom:6px;
      letter-spacing:.08px;
    }
    .article .left span{
      display:block;
      color:var(--muted);
      font-size:13.3px;
      line-height:1.7;
      max-width: 70ch;
    }
    .article .right a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.05);
      font-weight:820;
      font-size:13.3px;
      white-space:nowrap;
    }

    .price-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
    }
    .price-card{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .price-card .head{
      padding:16px 16px 12px;
      border-bottom:1px solid rgba(255,255,255,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      flex-wrap:wrap;
    }
    .price-card .head h3{margin:0; font-size:16px}
    .price-card .head p{margin:6px 0 0; color:var(--muted); font-size:13.5px; line-height:1.6}
    .price-card .body{padding:14px 16px 16px}
    .price-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
      border-bottom:1px dashed rgba(255,255,255,.10);
    }
    .price-row:last-child{border-bottom:none}
    .price-row strong{font-size:14.4px}
    .price-row span{color: var(--muted); font-size:13.4px; text-align:right}
    .hint{
      color: var(--muted2);
      font-size:12.6px;
      line-height:1.6;
      margin-top:10px;
    }

    .smallgrid{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .sg{
      border-radius: var(--radius2);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      padding:12px 12px;
      transition: transform .18s ease, border-color .18s ease;
      min-height: 92px;
    }
    .sg:hover{transform: translateY(-2px); border-color: rgba(39,214,255,.22)}
    .sg .k{
      width:34px; height:34px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.12);
      background: linear-gradient(135deg, rgba(39,214,255,.14), rgba(124,77,255,.14));
      display:flex; align-items:center; justify-content:center;
      margin-bottom:10px;
    }
    .sg strong{display:block; font-size:14.2px; margin-bottom:6px}
    .sg span{display:block; color:var(--muted); font-size:13px; line-height:1.6}

    .help-list{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:12px;
    }
    .hl{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      padding:14px 14px;
      transition: transform .18s ease, border-color .18s ease;
      min-height: 118px;
    }
    .hl:hover{transform: translateY(-2px); border-color: rgba(255,79,216,.22)}
    .hl strong{display:block; margin-bottom:8px; font-size:14.6px}
    .hl span{display:block; color:var(--muted); line-height:1.7; font-size:13.6px}
    .hl .go{margin-top:12px}

    .network-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .mapish{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background:
        radial-gradient(700px 320px at 20% 20%, rgba(255,79,216,.20), transparent 55%),
        radial-gradient(620px 300px at 80% 30%, rgba(124,77,255,.20), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
      box-shadow: var(--shadow2);
      padding:16px;
      overflow:hidden;
      position:relative;
      min-height: 240px;
    }
    .mapish::after{
      content:"";
      position:absolute; inset:0;
      background:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,.12) 1px, transparent 2px),
        radial-gradient(circle at 38% 52%, rgba(255,255,255,.10) 1px, transparent 2px),
        radial-gradient(circle at 57% 45%, rgba(255,255,255,.12) 1px, transparent 2px),
        radial-gradient(circle at 72% 62%, rgba(255,255,255,.09) 1px, transparent 2px),
        radial-gradient(circle at 60% 25%, rgba(255,255,255,.10) 1px, transparent 2px);
      opacity:.75;
      pointer-events:none;
    }
    .mapish h3{margin:0 0 10px; font-size:16px; position:relative}
    .network-pills{display:flex; flex-wrap:wrap; gap:10px; position:relative}
    .network-pills .np{
      padding:10px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
      color: rgba(233,236,255,.86);
      font-size:13.3px;
      white-space:nowrap;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .network-pills .np:hover{transform: translateY(-1px); border-color: rgba(39,214,255,.22); background: rgba(255,255,255,.07)}
    .net-right{
      display:grid; gap:14px;
    }
    .netcard{
      border-radius: var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      box-shadow: var(--shadow2);
      padding:16px;
      overflow:hidden;
    }
    .netcard h3{margin:0 0 8px; font-size:16px}
    .netcard p{margin:0; color:var(--muted); line-height:1.75; font-size:13.8px}
    .checklist{margin-top:12px; display:grid; gap:10px}
    .ci{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 10px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.04);
    }
    .ci .ok{
      width:26px; height:26px; border-radius:12px;
      background: rgba(55,227,162,.12);
      border:1px solid rgba(55,227,162,.25);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .ci strong{display:block; font-size:13.8px; margin-bottom:2px}
    .ci span{display:block; color:var(--muted); font-size:12.9px; line-height:1.6}

    .vis-hide{display:none}

    @media (max-width: 980px){
      .hero-inner{grid-template-columns: 1fr; gap:14px}
      .metrics{grid-template-columns: 1fr 1fr}
      .steps .step{grid-column: span 6}
      .two-col{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .comments .comment{grid-column: span 6}
      .case .case{grid-column: span 12}
      .case{grid-column: span 12}
      .price-grid{grid-template-columns:1fr}
      .smallgrid{grid-template-columns:1fr}
      .help-list{grid-template-columns:1fr}
      .network-grid{grid-template-columns:1fr}
      .footer-inner{grid-template-columns:1fr}
      form{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .mobile-drawer .drawer-grid{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      nav[aria-label="主导航"]{display:none}
      .hamburger{display:flex}
      .mobile-drawer{display:block}
      .mobile-drawer[aria-hidden="true"]{display:none}
      .hero{padding:34px 0 18px}
      .steps .step{grid-column: span 12}
      .comments .comment{grid-column: span 12}
      .floating{right:10px; bottom:10px}
      .float-card{width: 190px}
      .help-list{grid-template-columns:1fr}
      table{min-width: 680px}
      .faq-btn .q{padding-right:8px}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .pulse-dot{animation:none}
      .btn, .metric, .step, .case, .comment, .article, .hl, .sg, .linkbtn, .network-pills .np{
        transition:none!important;
      }
      .faq-panel{transition:none!important}
    }