:root{
      --bg:#fff9f3;
      --bg2:#fff3e7;
      --card:#ffffff;
      --card2:#fff7ef;
      --text:#1f2937;
      --muted:#5f6b7a;
      --line:#ead8c7;
      --brand:#ff6a00;
      --brand2:#ff8d2a;
      --brand3:#ffb15e;
      --shadow:0 18px 42px rgba(128,62,0,.12);
      --radius:22px;
      --max:1180px;
    }
    *{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;background:radial-gradient(circle at top left,#fff3e4 0,#fff9f3 32%,#fffdfb 100%);color:var(--text);line-height:1.65}
    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:50;background:rgba(255,250,245,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(234,216,199,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .mark{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#ff9b2f);display:grid;place-items:center;box-shadow:0 12px 28px rgba(255,106,0,.24);overflow:hidden}
    .brand .name{display:flex;flex-direction:column;min-width:0}
    .brand strong{font-size:18px;letter-spacing:.5px}
    .brand span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#3d4755;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s}
    .nav-links a:hover::after{width:100%}
    .cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;padding:13px 18px;font-weight:700;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(255,106,0,.22);transition:.25s}
    .cta:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,106,0,.26)}
    .ghost{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:none}
    .hero{padding:42px 0 24px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle, rgba(255,138,43,.18), rgba(255,138,43,0) 68%);pointer-events:none}
    .hero::before{width:460px;height:460px;right:-180px;top:-120px}
    .hero::after{width:360px;height:360px;left:-120px;bottom:-160px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel,.section-card,.faq-item,.review-card,.info-card,.case-card,.post-card,.timeline-item,.compare-box,.form-wrap,.price-card,.tag-cloud,.network-card{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,250,245,.98));border:1px solid rgba(234,216,199,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff1e4;color:#b84f00;font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .mini-stat{padding:14px 14px 13px;background:linear-gradient(180deg,#fffaf5,#fff);border:1px solid var(--line);border-radius:18px}
    .mini-stat b{display:block;font-size:18px;margin-bottom:5px;color:#18212f}
    .mini-stat span{font-size:13px;color:var(--muted)}
    .hero-panel{padding:24px;display:flex;flex-direction:column;gap:14px}
    .panel-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
    .logo-box{display:flex;align-items:center;gap:12px}
    .logo-box img{width:60px;height:60px;object-fit:contain;border-radius:16px;background:#fff7ef;padding:8px;border:1px solid var(--line)}
    .logo-box strong{display:block;font-size:16px}
    .logo-box p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:8px 11px;border-radius:999px;background:#fff1e2;color:#9a4100;font-size:12px;font-weight:700}
    .hero-panel .big-note{padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff3e5,#fff7ef);border:1px dashed #ffc58a;color:#7a3b00}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:clamp(22px,2.4vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;font-size:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .section-card,.info-card,.case-card,.post-card,.review-card,.price-card{padding:20px}
    .metric{font-size:30px;font-weight:800;color:#1d2430}
    .section-card p,.info-card p,.case-card p,.post-card p,.review-card p,.price-card p{margin:10px 0 0;color:var(--muted)}
    .service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .service-item{padding:18px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fff,#fff8f1)}
    .service-item h3,.case-card h3,.post-card h3,.price-card h3,.network-card h3,.compare-box h3{margin:0 0 8px;font-size:18px}
    .service-item ul,.timeline{margin:12px 0 0;padding:0;list-style:none}
    .service-item li,.timeline li{padding-left:18px;position:relative;margin:8px 0;color:var(--muted);font-size:14px}
    .service-item li::before,.timeline li::before{content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2))}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .flow .step{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:#fff1e4;color:#a94e00;font-weight:800;margin-bottom:12px}
    .compare-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #f0e5da;font-size:14px;vertical-align:top}
    th{background:#fff7ef;color:#2b3440}
    tr:hover td{background:#fffdf9}
    .rating{font-weight:800;color:#a34800}
    .tag-cloud,.network-card{padding:18px}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tags span{padding:9px 12px;border-radius:999px;background:#fff3e8;border:1px solid #ffd6b1;color:#8c4609;font-size:13px}
    .cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .timeline{margin-top:0}
    .timeline-item{padding:18px}
    .timeline-item strong{display:block;font-size:16px;margin-bottom:8px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .stars{color:#ff9a1a;letter-spacing:1px;font-size:14px}
    .avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#ffe2c2,#fff);display:grid;place-items:center;font-weight:800;color:#a54d00;border:1px solid var(--line)}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;border:none;background:transparent;color:var(--text);font-size:16px;font-weight:700;text-align:left}
    .faq-a{padding:0 18px 18px;color:var(--muted);display:none}
    .faq-item.active .faq-a{display:block}
    .faq-item.active .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .articles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .article-links{display:grid;gap:10px}
    .article-links a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);color:#334155}
    .form-wrap{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#243040}
    input,select,textarea{width:100%;border:1px solid #d9c6b3;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ff9a4b;box-shadow:0 0 0 4px rgba(255,154,75,.16)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px}
    .footer{padding:22px 0 28px;border-top:1px solid rgba(234,216,199,.85);margin-top:14px;background:rgba(255,250,245,.92)}
    .footer-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .footer small,.footer p,.footer a{color:#4a5564}
    .contact-box,.links-box{padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .contact-box ul{margin:12px 0 0;padding:0;list-style:none}
    .contact-box li{margin:8px 0;color:var(--muted)}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:9px 12px;border-radius:999px;background:#fff6ee;border:1px solid #f0d5bf}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:48px;height:48px;border-radius:16px;border:none;background:linear-gradient(135deg,var(--brand),#ff9837);color:#fff;display:grid;place-items:center;box-shadow:0 16px 28px rgba(255,106,0,.24)}
    .back-top{opacity:0;transform:translateY(8px);pointer-events:none;transition:.25s}
    .back-top.show{opacity:1;transform:none;pointer-events:auto}
    .mobile-nav{display:none}
    .note-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .note{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#465366}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.cases,.reviews,.articles,.footer-grid,.grid-2,.flow,.service-list{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-nav{display:block;padding:0 0 14px}
      .mobile-nav .panel{display:none;padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}
      .mobile-nav.open .panel{display:grid;gap:10px}
      .mobile-nav a{padding:10px 0;border-bottom:1px solid #f1e6da;color:#324154}
      .mobile-nav a:last-child{border-bottom:none}
      form{grid-template-columns:1fr}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none!important;transition:none!important}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}