:root{
      --bg:#f7f4ee;
      --bg2:#fdfbf7;
      --card:#fffaf2;
      --text:#20303a;
      --muted:#5f6f78;
      --line:#e8dcc8;
      --brand:#ff7a45;
      --brand2:#1f8ef1;
      --brand3:#18b38d;
      --shadow:0 18px 40px rgba(53, 53, 53, .08);
      --radius:22px;
      --radius-sm:16px;
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,122,69,.10), transparent 24%),
        radial-gradient(circle at top right, rgba(31,142,241,.08), transparent 24%),
        linear-gradient(180deg, #f8f5ef 0%, #f5f2ea 45%, #f7f4ee 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
    .skip:focus{left:20px;top:20px;width:auto;height:auto;z-index:1000;background:#fff;padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}
    header{
      position:sticky;top:0;z-index:40;
      backdrop-filter: blur(14px);
      background:rgba(247,244,238,.82);
      border-bottom:1px solid rgba(232,220,200,.72);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;border:1px solid var(--line)}
    .brand-name{display:flex;flex-direction:column;min-width:0}
    .brand-name strong{font-size:16px;letter-spacing:.5px}
    .brand-name span{font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#31434d;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover{background:#fff;color:#111;transform:translateY(-1px)}
    .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;font-size:14px;transition:.25s ease;cursor:pointer;
      box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff9a59);color:#fff;box-shadow:0 12px 24px rgba(255,122,69,.26)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(255,122,69,.3)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#d5c2a3}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .menu-btn span{display:block;width:18px;height:2px;background:#33434d;margin:3px 0;border-radius:2px}
    .hero{
      padding:34px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.metric,.step,.faq-item,.review,.article,.compare,.form-wrap,.network,.tag-cloud,.price-box,.timeline,.demo-box{
      background:rgba(255,250,242,.92);
      border:1px solid rgba(232,220,200,.88);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;pointer-events:none;
      background:radial-gradient(circle, rgba(255,122,69,.16), transparent 68%);
    }
    .hero-main:before{width:260px;height:260px;right:-90px;top:-80px}
    .hero-main:after{width:180px;height:180px;left:-40px;bottom:-40px;background:radial-gradient(circle, rgba(31,142,241,.12), transparent 70%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#6a5967}
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.05;letter-spacing:-.8px}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .trust-row span{padding:8px 12px;border-radius:999px;background:#fff;border:1px dashed #e2d4bc;color:#5f6a72;font-size:13px}
    .hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}
    .metric{padding:18px}
    .metric strong{display:block;font-size:26px;line-height:1;color:#18242b}
    .metric span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.6}
    .hero-side{padding:22px}
    .side-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
    .side-top h2{margin:0;font-size:18px}
    .mini-list{display:grid;gap:12px}
    .mini-item{padding:14px 15px;border-radius:18px;background:linear-gradient(180deg,#fff, #fff7ee);border:1px solid #eddcc1}
    .mini-item strong{display:block;font-size:15px;margin-bottom:6px}
    .mini-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card,.step,.review,.article,.faq-item,.compare,.form-wrap,.network,.tag-cloud,.price-box,.timeline,.demo-box{padding:20px}
    .card h3,.step h3,.review h3,.article h3,.faq-q{margin:0 0 10px;font-size:18px}
    .card p,.step p,.review p,.article p,.demo-box p{margin:0;color:var(--muted);line-height:1.8}
    .icon{
      width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg, rgba(255,122,69,.16), rgba(31,142,241,.14));
      color:#17252f;font-size:20px;margin-bottom:14px;border:1px solid #ead9be;
    }
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .bullet{display:grid;gap:10px;margin-top:14px}
    .bullet div{display:flex;gap:10px;align-items:flex-start;color:#31424a;line-height:1.7}
    .bullet i{color:var(--brand3);font-style:normal}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a,.tag-cloud span,.price-box .tag{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid #ead9be;font-size:13px;color:#465761
    }
    .price-box .price-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .price-box strong{font-size:28px}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:74px 1fr;gap:14px;align-items:start}
    .timeline-item b{display:inline-flex;align-items:center;justify-content:center;min-width:74px;padding:10px 12px;border-radius:999px;background:#fff;border:1px solid #ead9be;color:#ca5d2d}
    .compare table{width:100%;border-collapse:separate;border-spacing:0}
    .compare th,.compare td{padding:14px 12px;border-bottom:1px solid #eee0cb;text-align:left;vertical-align:top;font-size:14px;line-height:1.7}
    .compare th{background:#fff8f0;color:#23313a;position:sticky;top:76px}
    .compare .score{font-weight:800;color:#d9561a}
    .scroll-table{overflow:auto;border-radius:18px;border:1px solid #ead9be}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;text-align:left;border:0;background:transparent;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;color:var(--text)
    }
    .faq-q span{font-size:16px;font-weight:700}
    .faq-q em{font-style:normal;color:var(--brand)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);line-height:1.85}
    .faq-item.open .faq-a{max-height:220px}
    .faq-item.open .faq-q{background:linear-gradient(180deg,#fff, #fff7ee)}
    .reviews,.articles,.network-grid,.steps,.cards,.pricing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{margin-top:12px;color:#6b7a82;font-size:13px}
    .review .stars{color:#ff9f1a;font-size:16px;letter-spacing:2px;margin-bottom:10px}
    .article .label{display:inline-flex;margin-bottom:10px;padding:6px 10px;border-radius:999px;background:#fff;border:1px solid #ead9be;font-size:12px;color:#7a5d46}
    .article a.more{display:inline-flex;margin-top:14px;color:#0c6bd8;font-weight:700}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#37464f}
    input,select,textarea{
      width:100%;border:1px solid #dcccb0;border-radius:14px;padding:12px 14px;font:inherit;color:var(--text);background:#fff;
      outline:none;transition:.2s ease;
    }
    textarea{min-height:116px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#f0a06f;box-shadow:0 0 0 4px rgba(255,122,69,.12)}
    .full{grid-column:1/-1}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}
    .note{font-size:13px;color:var(--muted);line-height:1.7}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px}
    .footer-links a{color:#33434d}
    footer{
      margin-top:24px;padding:22px 0 28px;border-top:1px solid rgba(232,220,200,.8);background:rgba(255,250,242,.86);color:#26343d
    }
    footer .footer-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer-copy{font-size:13px;color:#5f6f78;line-height:1.8}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:1px solid #e0cfb5;background:#fff;box-shadow:0 14px 28px rgba(35,35,35,.12);
      display:flex;align-items:center;justify-content:center;color:#2b3942;cursor:pointer
    }
    .float-tools a:hover,.float-tools button:hover{transform:translateY(-2px)}
    .kefu-card{
      position:fixed;left:16px;bottom:16px;z-index:50;width:min(280px,calc(100vw - 32px));
      background:#fff;border:1px solid #e4d4b8;border-radius:20px;box-shadow:0 16px 32px rgba(42,42,42,.12);
      padding:14px;display:none
    }
    .kefu-card.show{display:block}
    .kefu-card .top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
    .kefu-card h3{margin:0;font-size:16px}
    .kefu-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .kefu-card img{width:100%;border-radius:14px;border:1px solid #ead9be;margin-top:10px}
    .mobile-menu{display:none}
    .anchor{scroll-margin-top:96px}
    .subtle{color:var(--muted)}
    .center{text-align:center}
    .section-title-2{font-size:20px;margin:0 0 12px}
    .network-grid .card{min-height:100%}
    .list-check{display:grid;gap:10px;margin-top:12px}
    .list-check div{display:flex;gap:10px;align-items:flex-start;line-height:1.7;color:#31424a}
    .list-check i{font-style:normal;color:var(--brand3)}
    .gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .gallery img,.square-grid img{width:100%;border-radius:18px;border:1px solid #e7d8bf;object-fit:cover}
    .gallery img{aspect-ratio:16/10}
    .square-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .square-grid img{aspect-ratio:1/1}
    .mini-hero-card{padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff 0%, #fff6ea 100%);border:1px solid #ebdcc2}
    .mini-hero-card strong{display:block;margin-bottom:8px}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.grid-4,.grid-3,.reviews,.articles,.network-grid,.steps,.cards,.pricing,footer .footer-wrap{grid-template-columns:1fr 1fr}
      .hero-main{padding:28px}
    }
    @media (max-width: 760px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .mobile-menu{display:none;padding:0 0 16px}
      .mobile-menu.open{display:block}
      .mobile-menu .nav-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}
      .mobile-menu .nav-links a{background:#fff;border:1px solid var(--line);text-align:center}
      .hero-grid,.two-col,.grid-3,.grid-4,.reviews,.articles,.network-grid,.steps,.cards,.pricing,footer .footer-wrap,.form-grid,.gallery,.square-grid{grid-template-columns:1fr}
      .hero-main,.hero-side,.card,.step,.review,.article,.faq-item,.compare,.form-wrap,.network,.tag-cloud,.price-box,.timeline,.demo-box{border-radius:20px}
      h1{font-size:clamp(28px,8vw,40px)}
      .hero p,.section-head p{font-size:15px}
      .section-head{align-items:flex-start;flex-direction:column}
      .compare th{top:0}
      .hero-stats{grid-template-columns:1fr 1fr}
      .timeline-item{grid-template-columns:1fr}
      .float-tools{right:12px;bottom:12px}
    }
    .fade-in{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .fade-in.visible{opacity:1;transform:none}
    .highlight{
      background:linear-gradient(120deg, rgba(255,122,69,.12), rgba(31,142,241,.12));
      border:1px solid rgba(222,206,181,.88);
      border-radius:18px;
      padding:16px;
    }