:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#fdf1f5;
      --text:#122033;
      --muted:#5e6b80;
      --line:rgba(18,32,51,.10);
      --brand:#ff3f6c;
      --brand-2:#7a5cff;
      --brand-3:#11b7a7;
      --gold:#ffb703;
      --shadow:0 18px 50px rgba(25,36,72,.10);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,63,108,.10), transparent 26%),
        radial-gradient(circle at top right, rgba(122,92,255,.11), transparent 28%),
        linear-gradient(180deg,#fff 0%, #f7f8fc 44%, #f6f7fb 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:80;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid var(--line);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:72px;padding:10px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.08)}
    .brand .name{font-weight:800;font-size:1.05rem;line-height:1.2}
    .brand .sub{font-size:.86rem;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:.94rem;color:#30405d;padding:8px 0;position:relative}
    .menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:.25s}
    .menu a:hover::after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;padding:12px 18px;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7a59);color:#fff;box-shadow:0 14px 24px rgba(255,63,108,.22)}
    .btn-secondary{background:#fff;color:#24324a;border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 16px 26px rgba(32,45,81,.12)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:#22314c}
    .hero{
      position:relative;overflow:hidden;
      padding:34px 0 22px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.22fr .78fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.card,.section-card,.faq-item,.review,.article,.form-wrap,.compare{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(18,32,51,.08);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{
      padding:34px;
      background:
        linear-gradient(135deg, rgba(255,63,108,.08), rgba(122,92,255,.08)),
        rgba(255,255,255,.92);
      position:relative;
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:#fff;color:#7f3452;font-size:.9rem;font-weight:700;border:1px solid rgba(255,63,108,.14)}
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,4rem);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:1.05rem;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px}
    .point{
      padding:16px;background:#fff;border-radius:18px;border:1px solid rgba(18,32,51,.08)
    }
    .point strong{display:block;font-size:1.05rem}
    .point span{display:block;color:var(--muted);font-size:.92rem;margin-top:6px;line-height:1.5}
    .hero-side{padding:24px;display:flex;flex-direction:column;gap:14px}
    .side-stat{
      border-radius:18px;padding:18px;background:linear-gradient(180deg,#fff,#fff7fb);border:1px solid rgba(255,63,108,.10)
    }
    .side-stat b{display:block;font-size:1.45rem}
    .side-stat small{color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#36445f;font-size:.9rem}
    section{padding:16px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 16px}
    .section-head h2{margin:0;font-size:1.65rem}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:22px}
    .card h3,.section-card h3,.article h3,.review h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.section-card p,.article p,.review p{margin:0;color:var(--muted);line-height:1.7}
    .metric{font-size:1.9rem;font-weight:900;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,63,108,.12),rgba(122,92,255,.12));color:#6a2bff;margin-bottom:14px;font-size:1.2rem
    }
    .section-card{padding:24px}
    .bullets{display:grid;gap:10px;margin-top:16px}
    .bullets div{display:flex;gap:10px;align-items:flex-start;color:#314059;line-height:1.65}
    .bullets span{color:var(--brand);font-weight:900}
    .steps{counter-reset:step}
    .step{padding:20px;position:relative}
    .step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;right:18px;top:14px;font-size:1.05rem;color:#c7cde0;font-weight:800}
    .compare{overflow:hidden}
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fff7fb;font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(17,183,167,.12);color:#117a70;font-weight:700;font-size:.85rem}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px}
    .stars{color:#ffb703;font-size:1.1rem;letter-spacing:2px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:4px 18px;overflow:hidden}
    .faq-q{
      width:100%;border:0;background:none;padding:16px 0;display:flex;align-items:center;justify-content:space-between;
      font-size:1rem;font-weight:700;color:#22314c;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding-right:24px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:16px}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .reviews .review{padding:20px}
    .review .role{color:var(--brand-2);font-weight:700;font-size:.92rem;margin-bottom:10px}
    .articles{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .article-list{display:grid;gap:12px}
    .article{padding:18px}
    .article a{font-weight:700;color:#24324a}
    .form-wrap{padding:24px}
    form{display:grid;gap:14px}
    .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:.95rem;font-weight:700;color:#2a3850}
    input,select,textarea{
      width:100%;border:1px solid rgba(18,32,51,.14);border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    textarea{min-height:124px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,63,108,.55);box-shadow:0 0 0 4px rgba(255,63,108,.09)}
    .footer{
      margin-top:14px;padding:30px 0 26px;background:#101828;color:#eef3ff
    }
    .footer a{color:#f3a0b7}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
    .footer p,.footer li,.footer small{color:#cfd8ea;line-height:1.8}
    .footer .links{display:flex;flex-wrap:wrap;gap:12px}
    .footer .links a{padding:8px 12px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.04)}
    .copy{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:.92rem;color:#cfd8ea}
    .floating{
      position:fixed;right:16px;bottom:18px;z-index:90;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 16px 30px rgba(80,44,186,.28)
    }
    .float-mini{
      position:fixed;left:16px;bottom:16px;z-index:90;display:flex;gap:10px;flex-wrap:wrap
    }
    .chip{
      display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 22px rgba(18,32,51,.08)
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .home-link{font-weight:800;color:var(--brand)}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.articles,.footer-grid{grid-template-columns:1fr}
      .hero-points,.field-grid{grid-template-columns:1fr}
      .menu-toggle{display:inline-flex}
      .menu{
        display:none;position:absolute;left:16px;right:16px;top:76px;background:#fff;border:1px solid var(--line);
        border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:10px
      }
      .menu.open{display:flex}
      .nav{position:relative}
      .nav-actions .btn-secondary{display:none}
    }