:root{
      --bg:#fbf6f7;
      --panel:#ffffff;
      --text:#1f2328;
      --muted:#66707a;
      --line:rgba(31,35,40,.10);
      --shadow:0 18px 50px rgba(20,16,20,.08);
      --shadow2:0 10px 26px rgba(200,0,60,.12);
      --red:#e11d48;
      --red2:#ff3b6a;
      --red3:#b80033;
      --ink:#0f172a;
      --accent:#b4002f;
      --chip:#fff0f3;
      --chip2:#ffe6ec;
      --focus:rgba(225,29,72,.28);
      --radius:18px;
      --radius2:26px;
      --max:1120px;
      --grid-gap:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 12% -10%, rgba(225,29,72,.16), transparent 50%),
        radial-gradient(900px 500px at 92% 0%, rgba(255,59,106,.14), transparent 55%),
        linear-gradient(180deg, #fff 0%, var(--bg) 55%, #fff 100%);
    }
    a{color:inherit; text-decoration:none}
    .container{
      width:100%;
      max-width:var(--max);
      margin:0 auto;
      padding:0 18px;
    }
    .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;
    }
    .skip-link{
      position:absolute;
      left:14px; top:12px;
      padding:10px 14px;
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:12px;
      transform:translateY(-140%);
      transition:transform .18s ease;
      z-index:1000;
      box-shadow:0 10px 22px rgba(0,0,0,.08);
      font-weight:700;
      color:var(--ink);
    }
    .skip-link:focus{transform:translateY(0); outline:none; box-shadow:0 0 0 4px var(--focus), 0 10px 22px rgba(0,0,0,.08)}
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background:rgba(255,255,255,.72);
      border-bottom:1px solid rgba(31,35,40,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:190px;
    }
    .logo{
      width:42px; height:42px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(225,29,72,.16), rgba(255,59,106,.10));
      border:1px solid rgba(225,29,72,.18);
      display:flex; align-items:center; justify-content:center;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand .ai-page-logo{display:block; width:42px; height:42px; object-fit:cover}
    .brand-text{
      display:flex; flex-direction:column; line-height:1.05;
    }
    .brand-text strong{
      font-size:14px; letter-spacing:.2px;
    }
    .brand-text span{
      font-size:12px; color:var(--muted);
    }
    nav{
      flex:1 1 auto;
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:14px;
      min-width:0;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:nowrap;
      overflow:hidden;
      max-width:720px;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(15,23,42,.86);
      padding:9px 10px;
      border-radius:12px;
      border:1px solid transparent;
      white-space:nowrap;
      transition:background .18s ease, border-color .18s ease, transform .18s ease;
    }
    .nav-links a:hover{
      background:rgba(225,29,72,.08);
      border-color:rgba(225,29,72,.18);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(225,29,72,.22);
      background:rgba(225,29,72,.08);
      color:var(--accent);
      font-weight:800;
      font-size:13px;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow:0 0 0 4px var(--focus)}
    .btn:hover{transform:translateY(-1px); background:rgba(225,29,72,.12); box-shadow:0 12px 28px rgba(225,29,72,.14)}
    .btn-primary{
      background:linear-gradient(135deg, var(--red) 0%, var(--red2) 100%);
      border-color:rgba(225,29,72,.35);
      color:#fff;
      box-shadow:0 12px 30px rgba(225,29,72,.22);
    }
    .btn-primary:hover{
      background:linear-gradient(135deg, #c9153f 0%, #ff3b6a 100%);
      box-shadow:0 16px 38px rgba(225,29,72,.26);
    }
    .btn-ghost{
      background:#fff;
      border-color:rgba(31,35,40,.14);
      color:rgba(15,23,42,.92);
      box-shadow:none;
    }
    .btn-ghost:hover{box-shadow:0 12px 30px rgba(0,0,0,.08)}
    .icon{
      width:18px; height:18px;
      display:inline-block;
    }
    .hamburger{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(31,35,40,.14);
      background:#fff;
      cursor:pointer;
      align-items:center;
      justify-content:center;
      transition:transform .15s ease, box-shadow .15s ease;
    }
    .hamburger:hover{transform:translateY(-1px); box-shadow:0 12px 30px rgba(0,0,0,.08)}
    .hamburger span{
      width:18px; height:2px; background:rgba(15,23,42,.88);
      display:block; position:relative;
    }
    .hamburger span:before,.hamburger span:after{
      content:""; position:absolute; left:0;
      width:18px; height:2px; background:rgba(15,23,42,.88);
    }
    .hamburger span:before{top:-6px}
    .hamburger span:after{top:6px}
    .mobile-drawer{
      display:none;
    }
    .drawer-panel{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(31,35,40,.10);
      box-shadow:0 22px 60px rgba(0,0,0,.12);
      border-radius:18px;
      padding:14px;
      margin:12px 0 18px;
    }
    .drawer-links{
      display:flex; flex-direction:column;
      gap:8px;
      padding:6px 0 10px;
      border-bottom:1px solid rgba(31,35,40,.08);
      margin-bottom:12px;
    }
    .drawer-links a{
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(31,35,40,.08);
      background:#fff;
      font-weight:800;
      color:rgba(15,23,42,.92);
    }
    .drawer-ctas{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-start;
    }

    main{padding:24px 0 22px}
    section{padding:46px 0}
    .hero{
      padding:24px 0 34px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.25fr .75fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-card{
      background:
        radial-gradient(900px 460px at 0% 0%, rgba(225,29,72,.18), transparent 45%),
        radial-gradient(700px 420px at 100% 10%, rgba(255,59,106,.14), transparent 48%),
        linear-gradient(180deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.66) 100%);
      border:1px solid rgba(225,29,72,.18);
      border-radius:var(--radius2);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
      padding:26px 22px 22px;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(500px 220px at 20% 0%, rgba(225,29,72,.32), transparent 62%),
        radial-gradient(540px 260px at 85% 10%, rgba(255,59,106,.24), transparent 60%),
        linear-gradient(120deg, rgba(225,29,72,.18), transparent 35%, rgba(255,59,106,.14));
      opacity:.55;
      pointer-events:none;
    }
    .hero-inner{position:relative; z-index:1; display:flex; flex-direction:column; gap:14px}
    .eyebrow{
      display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(225,29,72,.18);
      color:rgba(15,23,42,.9);
      font-weight:900;
      font-size:12px;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:999px;
      background:linear-gradient(135deg, var(--red) 0%, var(--red2) 100%);
      box-shadow:0 0 0 4px rgba(225,29,72,.14);
    }
    .hero h1{
      margin:0;
      font-size:34px;
      letter-spacing:-.6px;
      line-height:1.15;
      color:rgba(15,23,42,.96);
      max-width:18ch;
    }
    .hero p{
      margin:0;
      color:rgba(31,35,40,.74);
      font-size:15px;
      line-height:1.7;
      max-width:64ch;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      align-items:center;
      flex-wrap:wrap;
      margin-top:6px;
    }
    .mini-trust{
      display:flex;
      gap:12px;
      margin-top:12px;
      flex-wrap:wrap;
    }
    .trust-item{
      flex:0 0 auto;
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(31,35,40,.10);
    }
    .trust-item strong{font-size:13px}
    .trust-item span{display:block; font-size:12px; color:var(--muted); margin-top:1px}
    .hero-side{
      border-radius:var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.80);
      box-shadow:0 16px 40px rgba(0,0,0,.06);
      padding:18px;
      display:flex;
      flex-direction:column;
      gap:14px;
      position:relative;
      overflow:hidden;
    }
    .hero-side:after{
      content:"";
      position:absolute;
      width:240px; height:240px;
      right:-120px; top:-110px;
      background:radial-gradient(circle at 30% 30%, rgba(225,29,72,.24), transparent 65%);
      pointer-events:none;
    }
    .side-title{
      position:relative;
      z-index:1;
      display:flex; align-items:center; justify-content:space-between; gap:10px;
    }
    .side-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
      color:rgba(15,23,42,.92);
    }
    .badge-live{
      display:inline-flex;
      align-items:center; gap:8px;
      font-size:12px;
      color:rgba(15,23,42,.82);
      background:rgba(225,29,72,.08);
      border:1px solid rgba(225,29,72,.16);
      padding:7px 10px;
      border-radius:999px;
      font-weight:900;
    }
    .pulse{
      width:10px; height:10px; border-radius:999px;
      background:linear-gradient(135deg, var(--red) 0%, var(--red2) 100%);
      position:relative;
    }
    .pulse:before{
      content:"";
      position:absolute; inset:-8px;
      border-radius:999px;
      border:2px solid rgba(225,29,72,.25);
      animation:pulse 1.6s ease-in-out infinite;
    }
    @keyframes pulse{
      0%{transform:scale(.65); opacity:.35}
      60%{transform:scale(1.05); opacity:.15}
      100%{transform:scale(1.25); opacity:0}
    }
    .metric-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .metric{
      border-radius:16px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.7);
      padding:12px 12px 10px;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .metric:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 40px rgba(0,0,0,.08);
      border-color:rgba(225,29,72,.18);
    }
    .metric strong{
      display:block;
      font-size:20px;
      letter-spacing:-.4px;
      color:rgba(15,23,42,.96);
    }
    .metric span{
      display:block;
      margin-top:6px;
      font-size:12px;
      color:var(--muted);
      line-height:1.4;
    }

    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:22px;
      letter-spacing:-.2px;
      color:rgba(15,23,42,.96);
    }
    .section-head p{
      margin:0;
      color:rgba(31,35,40,.68);
      font-size:14px;
      line-height:1.7;
      max-width:52ch;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .grid-2{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:var(--grid-gap);
    }
    .card{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      border-radius:var(--radius);
      padding:18px;
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-2px);
      border-color:rgba(225,29,72,.18);
      box-shadow:0 18px 46px rgba(0,0,0,.07);
    }
    .card h3{
      margin:0 0 8px 0;
      font-size:15px;
      letter-spacing:-.1px;
      color:rgba(15,23,42,.96);
    }
    .card p{
      margin:0;
      color:rgba(31,35,40,.68);
      font-size:13px;
      line-height:1.7;
    }
    .card .tag-row{
      margin-top:12px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .chip{
      padding:7px 10px;
      border-radius:999px;
      background:var(--chip);
      border:1px solid rgba(225,29,72,.14);
      color:rgba(15,23,42,.9);
      font-weight:800;
      font-size:12px;
      white-space:nowrap;
    }
    .chip.soft{
      background:rgba(255,255,255,.7);
      border-color:rgba(31,35,40,.12);
      color:rgba(31,35,40,.78);
      font-weight:800;
    }
    .step-list{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:var(--grid-gap);
    }
    .step{
      padding:18px 16px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
      border:1px solid rgba(31,35,40,.10);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
      overflow:hidden;
      min-height:170px;
    }
    .step:hover{
      transform:translateY(-2px);
      border-color:rgba(225,29,72,.18);
      box-shadow:0 18px 46px rgba(0,0,0,.07);
    }
    .step:before{
      content:"";
      position:absolute;
      top:-70px; right:-80px;
      width:180px; height:180px;
      background:radial-gradient(circle at 30% 30%, rgba(225,29,72,.18), transparent 64%);
      pointer-events:none;
    }
    .step-num{
      position:relative;
      z-index:1;
      display:inline-flex;
      align-items:center; justify-content:center;
      width:38px; height:38px;
      border-radius:14px;
      background:rgba(225,29,72,.10);
      border:1px solid rgba(225,29,72,.18);
      font-weight:1000;
      color:rgba(180,0,47,.92);
      margin-bottom:10px;
    }
    .step h3{
      position:relative; z-index:1;
      margin:0 0 8px 0;
      font-size:15px;
      color:rgba(15,23,42,.96);
      letter-spacing:-.1px;
    }
    .step p{
      position:relative; z-index:1;
      margin:0;
      color:rgba(31,35,40,.68);
      font-size:13px;
      line-height:1.7;
    }
    .split{
      display:grid;
      grid-template-columns: .95fr 1.05fr;
      gap:var(--grid-gap);
      align-items:start;
    }
    .panel{
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      border-radius:var(--radius2);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      overflow:hidden;
    }
    .panel .panel-inner{padding:18px}
    .list{
      margin:0; padding:0;
      list-style:none;
      display:grid; gap:10px;
    }
    .list li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.75);
    }
    .tick{
      width:18px; height:18px; border-radius:7px;
      background:rgba(225,29,72,.12);
      border:1px solid rgba(225,29,72,.18);
      display:flex; align-items:center; justify-content:center;
      color:rgba(180,0,47,.92);
      flex:0 0 auto;
      margin-top:2px;
    }
    .list strong{display:block; font-size:13px; color:rgba(15,23,42,.94); margin-bottom:2px}
    .list span{display:block; font-size:12px; color:rgba(31,35,40,.68); line-height:1.6}
    table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      font-size:13px;
      color:rgba(15,23,42,.94);
      overflow:hidden;
    }
    .table-wrap{overflow:auto; border-radius:16px; border:1px solid rgba(31,35,40,.10)}
    th,td{
      padding:12px 12px;
      border-bottom:1px solid rgba(31,35,40,.08);
      vertical-align:top;
      min-width:120px;
    }
    th{
      background:linear-gradient(180deg, rgba(225,29,72,.10), rgba(225,29,72,.06));
      font-size:12px;
      text-transform: none;
      color:rgba(15,23,42,.9);
      letter-spacing:.2px;
      font-weight:1000;
    }
    td{background:#fff}
    tr:last-child td{border-bottom:none}
    .rank-badge{
      display:flex; align-items:center; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(225,29,72,.18);
      background:linear-gradient(180deg, rgba(225,29,72,.10), rgba(255,255,255,.82));
    }
    .stars{
      display:inline-flex; gap:4px; align-items:center;
    }
    .star{
      width:18px; height:18px;
      background:linear-gradient(135deg, var(--red) 0%, var(--red2) 100%);
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      box-shadow:0 10px 18px rgba(225,29,72,.18);
    }
    .rank-badge strong{font-size:14px}
    .rank-badge span{display:block; margin-top:4px; font-size:12px; color:rgba(31,35,40,.68)}
    .compare-grid{
      display:grid;
      grid-template-columns: .9fr 1.1fr;
      gap:var(--grid-gap);
      align-items:start;
    }
    .compare-card{
      padding:18px;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      border-radius:var(--radius2);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      overflow:hidden;
      position:relative;
    }
    .compare-card:before{
      content:"";
      position:absolute;
      left:-120px; top:-160px;
      width:320px; height:320px;
      background:radial-gradient(circle at 30% 30%, rgba(225,29,72,.18), transparent 64%);
      pointer-events:none;
    }
    .compare-card > *{position:relative; z-index:1}
    .rating-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-bottom:12px;
    }
    .score{
      display:flex; align-items:flex-end; gap:10px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.70);
    }
    .score b{font-size:34px; letter-spacing:-.8px; line-height:1}
    .score span{display:block; color:rgba(31,35,40,.68); font-weight:900; font-size:12px; margin-bottom:3px}
    .score em{font-style:normal; font-weight:1000; color:rgba(15,23,42,.92); font-size:13px}
    .timeline{
      display:grid;
      gap:12px;
    }
    .time-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:12px;
      border-radius:18px;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.74);
    }
    .time-dot{
      width:14px; height:14px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--red) 0%, var(--red2) 100%);
      box-shadow:0 0 0 5px rgba(225,29,72,.14);
      margin-top:4px;
      flex:0 0 auto;
    }
    .time-item strong{display:block; font-size:13px; color:rgba(15,23,42,.96); margin-bottom:4px}
    .time-item span{display:block; font-size:12px; color:rgba(31,35,40,.68); line-height:1.7}
    .reviews{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .review{
      padding:18px;
      border-radius:var(--radius2);
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .review:hover{
      transform:translateY(-2px);
      border-color:rgba(225,29,72,.18);
      box-shadow:0 18px 46px rgba(0,0,0,.07);
    }
    .review-top{
      display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px;
    }
    .avatar{
      width:40px; height:40px;
      border-radius:16px;
      background:linear-gradient(135deg, rgba(225,29,72,.14), rgba(255,59,106,.08));
      border:1px solid rgba(225,29,72,.16);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      color:rgba(180,0,47,.92);
      letter-spacing:-.3px;
      flex:0 0 auto;
    }
    .review .role{
      font-weight:1000;
      font-size:13px;
      color:rgba(15,23,42,.96);
    }
    .review .meta{
      font-size:12px; color:rgba(31,35,40,.62);
      margin-top:2px;
    }
    .review .content{
      margin:0;
      color:rgba(31,35,40,.70);
      font-size:13px;
      line-height:1.75;
    }

    .cases{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:var(--grid-gap);
    }
    .case{
      padding:18px;
      border-radius:var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.84);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
    }
    .case .thumb{
      height:72px;
      border-radius:18px;
      border:1px solid rgba(225,29,72,.18);
      background:
        radial-gradient(220px 110px at 10% 10%, rgba(225,29,72,.22), transparent 60%),
        radial-gradient(200px 120px at 90% 20%, rgba(255,59,106,.18), transparent 60%),
        linear-gradient(135deg, rgba(225,29,72,.10), rgba(255,255,255,.65));
      position:relative;
      overflow:hidden;
      margin-bottom:12px;
    }
    .thumb:after{
      content:"";
      position:absolute;
      left:-40px; top:30px;
      width:180px; height:2px;
      background:rgba(225,29,72,.25);
      transform:rotate(-18deg);
      opacity:.7;
    }
    .case h3{margin:0 0 8px 0; font-size:15px; color:rgba(15,23,42,.96)}
    .case p{margin:0; color:rgba(31,35,40,.68); font-size:13px; line-height:1.7}
    .case .facts{
      margin-top:12px;
      display:flex; flex-wrap:wrap; gap:8px;
    }

    .article-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:var(--grid-gap);
      align-items:start;
    }
    .article-card{
      border-radius:var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.84);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      overflow:hidden;
    }
    .article-card .top{
      padding:16px 16px 12px;
      border-bottom:1px solid rgba(31,35,40,.08);
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
    }
    .article-card .top h3{margin:0; font-size:15px; color:rgba(15,23,42,.96)}
    .article-card .top span{color:rgba(31,35,40,.66); font-size:12px; font-weight:900}
    .article-card ul{
      list-style:none;
      margin:0;
      padding:12px 16px 16px;
      display:grid; gap:10px;
    }
    .article-card li{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      padding:10px 12px;
      border-radius:16px;
      border:1px solid rgba(31,35,40,.08);
      background:rgba(255,255,255,.72);
    }
    .article-card a{
      display:block;
      font-weight:1000;
      color:rgba(15,23,42,.92);
      font-size:13px;
      line-height:1.5;
      flex:1 1 auto;
      min-width:0;
    }
    .article-card .meta{
      flex:0 0 auto;
      font-size:12px;
      color:rgba(31,35,40,.62);
      font-weight:900;
      white-space:nowrap;
      padding-top:2px;
    }

    .form-wrap{
      padding:18px;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(31,35,40,.10);
      border-radius:var(--radius2);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
    }
    form{display:grid; gap:12px}
    .field-row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    label{
      font-weight:1000;
      font-size:12px;
      color:rgba(15,23,42,.9);
      display:block;
      margin-bottom:7px;
    }
    .control{
      width:100%;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(31,35,40,.14);
      background:#fff;
      color:rgba(15,23,42,.96);
      font-size:14px;
      transition:box-shadow .15s ease, border-color .15s ease;
    }
    .control:focus{
      outline:none;
      border-color:rgba(225,29,72,.36);
      box-shadow:0 0 0 4px var(--focus);
    }
    textarea.control{min-height:104px; resize:vertical}
    .form-foot{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:2px;
    }
    .fine{
      color:rgba(31,35,40,.62);
      font-size:12px;
      line-height:1.6;
      max-width:50ch;
    }
    .fine b{color:rgba(15,23,42,.86)}
    .notice{
      padding:12px 14px;
      border-radius:18px;
      border:1px solid rgba(225,29,72,.18);
      background:linear-gradient(180deg, rgba(225,29,72,.08), rgba(255,255,255,.84));
      color:rgba(15,23,42,.86);
      font-weight:900;
      font-size:12px;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:var(--grid-gap);
    }
    details{
      border-radius:var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.84);
      box-shadow:0 10px 28px rgba(0,0,0,.04);
      padding:14px 16px;
      transition:border-color .18s ease, transform .18s ease;
    }
    details[open]{
      border-color:rgba(225,29,72,.22);
      transform:translateY(-1px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      font-weight:1000;
      color:rgba(15,23,42,.94);
      font-size:13px;
      line-height:1.5;
      user-select:none;
    }
    summary::-webkit-details-marker{display:none}
    .sum-icon{
      width:28px; height:28px;
      border-radius:12px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
    }
    details[open] .sum-icon{
      transform:rotate(45deg);
      border-color:rgba(225,29,72,.22);
      background:rgba(225,29,72,.08);
    }
    .faq p{
      margin:10px 0 0 0;
      color:rgba(31,35,40,.68);
      font-size:13px;
      line-height:1.75;
    }

    .ai-badge-row{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .small-note{
      padding:10px 12px;
      border-radius:18px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.74);
      color:rgba(31,35,40,.66);
      font-size:12px;
      line-height:1.7;
      font-weight:900;
    }

    .tag-cloud{
      display:flex; flex-wrap:wrap; gap:10px;
    }
    .cloud-tag{
      border-radius:999px;
      padding:9px 12px;
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.78);
      font-weight:1000;
      font-size:12px;
      color:rgba(15,23,42,.86);
      transition:transform .18s ease, border-color .18s ease;
    }
    .cloud-tag:hover{
      transform:translateY(-2px);
      border-color:rgba(225,29,72,.22);
    }

    footer{
      background:linear-gradient(180deg, rgba(225,29,72,.07), rgba(255,255,255,.9));
      border-top:1px solid rgba(31,35,40,.10);
      padding:26px 0 22px;
      margin-top:6px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap:16px;
      align-items:start;
    }
    .footer-card{
      border-radius:var(--radius2);
      border:1px solid rgba(31,35,40,.10);
      background:rgba(255,255,255,.86);
      padding:16px;
      box-shadow:0 10px 28px rgba(0,0,0,.04);
    }
    .footer-card h3{margin:0 0 10px 0; font-size:14px; color:rgba(15,23,42,.96)}
    .footer-card p{
      margin:0;
      color:rgba(31,35,40,.66);
      font-size:13px;
      line-height:1.8;
    }
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .footer-links a{
      padding:9px 11px;
      border-radius:999px;
      border:1px solid rgba(31,35,40,.12);
      background:rgba(255,255,255,.78);
      font-weight:1000;
      font-size:12px;
      color:rgba(15,23,42,.88);
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .footer-links a:hover{
      transform:translateY(-2px);
      border-color:rgba(225,29,72,.22);
      background:rgba(225,29,72,.06);
    }
    .copyright{
      margin-top:14px;
      color:rgba(31,35,40,.62);
      font-size:12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .to-top{
      display:inline-flex; align-items:center; gap:10px;
      border-radius:999px;
      padding:10px 12px;
      border:1px solid rgba(31,35,40,.12);
      background:#fff;
      font-weight:1000;
      font-size:12px;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .to-top:hover{
      transform:translateY(-2px);
      box-shadow:0 12px 30px rgba(0,0,0,.08);
      border-color:rgba(225,29,72,.22);
    }

    .float-kefu{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:90;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-item{
      width:56px; height:56px;
      border-radius:18px;
      border:1px solid rgba(31,35,40,.12);
      background:rgba(255,255,255,.92);
      box-shadow:0 18px 46px rgba(0,0,0,.14);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .float-item:hover{
      transform:translateY(-2px);
      box-shadow:0 22px 60px rgba(0,0,0,.18);
      border-color:rgba(225,29,72,.22);
    }
    .tooltip{
      position:absolute;
      right:66px;
      bottom:6px;
      background:rgba(15,23,42,.94);
      color:#fff;
      border-radius:14px;
      padding:10px 12px;
      font-weight:900;
      font-size:12px;
      width:max-content;
      max-width:240px;
      opacity:0;
      transform:translateY(6px);
      pointer-events:none;
      transition:opacity .16s ease, transform .16s ease;
    }
    .float-item:hover .tooltip{
      opacity:1;
      transform:translateY(0);
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr}
      .nav-links{display:none}
      .hamburger{display:flex}
      .mobile-drawer{display:block}
      .grid-3{grid-template-columns:1fr}
      .grid-2{grid-template-columns:1fr}
      .step-list{grid-template-columns:1fr 1fr}
      .split{grid-template-columns:1fr}
      .compare-grid{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr}
      .cases{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr}
      .faq{grid-template-columns:1fr}
      .field-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .hero h1{font-size:30px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .pulse:before{animation:none}
      .btn, .card, .step, .review, .case, details{transition:none}
    }