:root{
      --bg:#f7f5fb;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#5e6472;
      --line:#e7e1f3;
      --primary:#8b5cf6;
      --primary2:#ff4fd8;
      --accent:#2dd4bf;
      --warm:#fff3fb;
      --shadow:0 18px 50px rgba(44, 17, 82, .10);
      --shadow2:0 10px 25px rgba(139,92,246,.14);
      --radius:22px;
      --radius2:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(255,79,216,.10), transparent 22%),
        radial-gradient(circle at 90% 10%, rgba(139,92,246,.14), transparent 20%),
        linear-gradient(180deg,#fff 0%, var(--bg) 28%, #fff 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:60;
      backdrop-filter:saturate(150%) blur(16px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(231,225,243,.9);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:var(--shadow2);display:grid;place-items:center;color:#fff;font-weight:800}
    .brand .txt{display:flex;flex-direction:column;min-width:0}
    .brand strong{font-size:1.02rem;line-height:1.1}
    .brand span{font-size:.82rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:#2b2f3b;padding:10px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:5px;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--primary2));transition:.25s}
    .nav-links a:hover::after,.nav-links a:focus::after{width:100%}
    .nav-cta{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(--primary),var(--primary2));color:#fff;box-shadow:var(--shadow2)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;width:46px;height:46px;align-items:center;justify-content:center}
    .menu-btn span{display:block;width:20px;height:2px;background:#2a2f3a;position:relative}
    .menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#2a2f3a}
    .menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
    main{display:block}
    .hero{
      position:relative;
      padding:56px 0 28px;
      overflow:hidden;
    }
    .hero::before{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 15% 20%, rgba(255,79,216,.14), transparent 16%),
        radial-gradient(circle at 85% 15%, rgba(139,92,246,.16), transparent 18%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.12));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy,.hero-panel,.section-card,.feature-card,.case-card,.review-card,.faq-item,.form-card,.article-card,.stat,.compare-card,.timeline-item,.pricing-card,.tag-cloud,.help-card,.network-card,.about-card{
      background:var(--card);border:1px solid rgba(231,225,243,.95);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-copy{padding:32px}
    .kicker{display:inline-flex;align-items:center;gap:8px;background:var(--warm);color:#8a1fc1;border:1px solid #ffd6f3;padding:8px 12px;border-radius:999px;font-size:.88rem;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.05;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:1.05rem;line-height:1.8;max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini{
      padding:14px 14px 12px;border-radius:18px;background:linear-gradient(180deg,#fff,#faf7ff);border:1px solid var(--line)
    }
    .mini b{display:block;font-size:1.05rem;margin-bottom:4px}
    .mini span{color:var(--muted);font-size:.88rem;line-height:1.5}
    .hero-panel{padding:22px;display:flex;flex-direction:column;gap:14px;background:
      linear-gradient(180deg, rgba(139,92,246,.06), rgba(255,79,216,.05) 55%, #fff 100%);
    }
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .pill{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:8px 12px;background:#111827;color:#fff;font-size:.86rem}
    .panel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px}
    .stat strong{display:block;font-size:1.45rem}
    .stat span{display:block;color:var(--muted);font-size:.86rem;margin-top:4px}
    .panel-note{padding:16px;border-radius:18px;background:#fff7fe;border:1px dashed #efb7e8;color:#4b2256;line-height:1.7}
    .section{padding:18px 0 4px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:18px 0}
    .section-head h2{margin:0;font-size:clamp(1.4rem,2.4vw,2.15rem)}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:66ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .section-card{padding:22px}
    .feature-card{padding:20px}
    .feature-card h3,.section-card h3,.compare-card h3,.help-card h3,.about-card h3,.pricing-card h3{margin:0 0 10px;font-size:1.08rem}
    .feature-card p,.section-card p,.about-card p,.help-card p,.compare-card p{margin:0;color:var(--muted);line-height:1.8}
    .icon{
      width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,rgba(139,92,246,.15),rgba(255,79,216,.15));display:grid;place-items:center;margin-bottom:12px;color:#7c3aed;font-weight:800
    }
    .tag-cloud{padding:20px;display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 14px;border-radius:999px;background:#f7f3ff;border:1px solid #e8defc;font-size:.92rem;color:#472f7d}
    .workflow{counter-reset:step}
    .step{display:flex;gap:14px;padding:18px 0;border-top:1px solid var(--line)}
    .step:first-child{border-top:none;padding-top:0}
    .step .num{
      width:36px;height:36px;flex:none;border-radius:12px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:800
    }
    .step h3{margin:0 0 6px;font-size:1.02rem}
    .step p{margin:0;color:var(--muted);line-height:1.75}
    .compare-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #efe9f7;text-align:left;vertical-align:top}
    th{background:#fcf9ff;font-size:.95rem}
    td{color:#2c3240;line-height:1.7}
    .badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:.82rem;font-weight:700}
    .b-good{background:#effcf7;color:#0f766e}
    .b-warn{background:#fff4e8;color:#c2410c}
    .b-mid{background:#f3f4ff;color:#4f46e5}
    .pricing-card{padding:20px}
    .price{font-size:1.8rem;font-weight:800;margin:8px 0;color:#111827}
    .muted-list{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
    .timeline{display:grid;gap:14px}
    .timeline-item{padding:18px}
    .timeline-item .date{display:inline-block;margin-bottom:10px;font-size:.85rem;color:#7c3aed;font-weight:700}
    .case-card{overflow:hidden}
    .case-img{aspect-ratio:16/9;background:linear-gradient(135deg,rgba(139,92,246,.13),rgba(255,79,216,.12));display:flex;align-items:center;justify-content:center;padding:10px}
    .case-body{padding:18px}
    .review-card{padding:18px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .stars{color:#f59e0b;letter-spacing:2px}
    .review-card p{margin:0;color:var(--muted);line-height:1.8}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;border:none;background:#fff;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;
      font-size:1rem;font-weight:700;color:var(--text);cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;border-top:1px solid transparent}
    .faq-a p{margin:0;padding:0 18px 18px;color:var(--muted);line-height:1.8}
    .faq-item.active .faq-a{max-height:220px;border-top-color:var(--line)}
    .faq-item.active .faq-a p{padding-top:14px}
    .faq-item.active .faq-q .chev{transform:rotate(180deg)}
    .chev{transition:transform .25s ease}
    .article-list{display:grid;gap:12px}
    .article-card{padding:16px;display:flex;gap:14px;align-items:flex-start}
    .article-card .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));margin-top:7px;flex:none}
    .article-card h3{margin:0 0 6px;font-size:1rem}
    .article-card p{margin:0;color:var(--muted);line-height:1.7}
    .form-card{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:grid;gap:8px;font-size:.94rem;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #ddd6ee;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);background:#fff;outline:none;transition:.2s
    }
    textarea{min-height:126px;resize:vertical;grid-column:1/-1}
    input:focus,select:focus,textarea:focus{border-color:#a855f7;box-shadow:0 0 0 4px rgba(168,85,247,.12)}
    .full{grid-column:1/-1}
    .footer{
      margin-top:18px;padding:26px 0 28px;border-top:1px solid rgba(231,225,243,.95);
      background:linear-gradient(180deg,rgba(255,255,255,.74),#fff)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer a{color:#5b21b6}
    .small{color:var(--muted);line-height:1.8}
    .contact-box{display:grid;gap:10px}
    .social{display:flex;flex-wrap:wrap;gap:10px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:80;display:grid;gap:10px
    }
    .float-btn{
      width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary2));
      color:#fff;display:grid;place-items:center;box-shadow:var(--shadow2);border:none;cursor:pointer
    }
    .float-panel{
      position:fixed;right:16px;bottom:80px;z-index:79;width:min(320px, calc(100vw - 32px));
      padding:16px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:none
    }
    .float-panel.open{display:block}
    .qr{display:grid;grid-template-columns:92px 1fr;gap:14px;align-items:center}
    .qr img{width:92px;height:92px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
    .scroll-top{display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:flex}
      form{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    .mobile-menu{
      display:none;padding:0 0 16px
    }
    .mobile-menu.open{display:block}
    .mobile-menu .wrap{
      display:grid;gap:10px;padding:14px 0 0;border-top:1px solid var(--line)
    }
    .mobile-menu a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);font-weight:600}
    .split-note{
      display:flex;gap:10px;flex-wrap:wrap;margin-top:12px
    }
    .chip{padding:8px 11px;border-radius:999px;background:#f8f4ff;border:1px solid #ebdefd;color:#5b21b6;font-size:.85rem}