:root{
      --bg:#f6f1ea;
      --bg2:#fffdf9;
      --card:#ffffff;
      --text:#1e2732;
      --muted:#5f6b78;
      --line:#e7dfd4;
      --accent:#e94f64;
      --accent2:#ff8a3d;
      --accent3:#5b6cff;
      --shadow:0 18px 50px rgba(42, 47, 60, .08);
      --shadow2:0 10px 24px rgba(233, 79, 100, .12);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,#fbf7f2 0%,#f6f1ea 26%,#f8f4ef 100%)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:40;background:rgba(246,241,234,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,223,212,.7)}
    .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 img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:var(--shadow2)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:flex-end}
    .nav-links a,.nav-cta{padding:10px 13px;border-radius:999px;border:1px solid transparent;font-size:14px;transition:.25s ease}
    .nav-links a:hover,.nav-cta:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow2);transform:translateY(-1px)}
    .nav-cta{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:700}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-btn span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .menu-btn span:before{top:-6px}.menu-btn span:after{top:6px}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.compare,.form-wrap,.footer-box{background:rgba(255,255,255,.86);border:1px solid rgba(231,223,212,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main:before{content:"";position:absolute;inset:auto -70px -90px auto;width:220px;height:220px;background:radial-gradient(circle,rgba(233,79,100,.18),transparent 70%);border-radius:50%}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(233,79,100,.08);color:#b23247;font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,50px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:760px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#36414e}
    .hero-side{padding:22px;display:grid;gap:14px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#fbf7f2);border:1px solid var(--line)}
    .metric b{display:block;font-size:26px;color:#121a22}
    .metric span{display:block;margin-top:4px;color:var(--muted);font-size:13px;line-height:1.5}
    .side-note{padding:16px;border-radius:18px;background:linear-gradient(135deg,rgba(91,108,255,.08),rgba(233,79,100,.08));border:1px solid rgba(91,108,255,.15);color:#273043}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:8px 0 16px}
    .section-head h2{margin:0;font-size:clamp(22px,2.6vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(233,79,100,.12),rgba(255,138,61,.12));margin-bottom:12px;font-size:20px}
    .timeline{display:grid;gap:12px}
    .step{display:flex;gap:14px;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step-num{flex:none;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800;display:grid;place-items:center}
    .step strong{display:block;margin-bottom:6px}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:880px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fff8f5;font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .highlight{color:#111827;font-weight:700}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#334155}
    .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .reviews,.articles,.faq-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#f59e0b;letter-spacing:2px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:none;border:0;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:16px;font-weight:700;color:var(--text);text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-item.active .faq-a{max-height:180px;padding-bottom:18px}
    .faq-item.active .chev{transform:rotate(180deg)}
    .chev{transition:.25s ease}
    .form-wrap{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .full{grid-column:1/-1}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:#334155}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#f08a6c;box-shadow:0 0 0 4px rgba(233,79,100,.08)}
    textarea{min-height:132px;resize:vertical}
    .submit-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
    .footer{padding:16px 0 26px}
    .footer-box{padding:22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px}
    .footer a{color:#2b4aa0}
    .small{font-size:13px;color:var(--muted);line-height:1.7}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:50px;height:50px;border-radius:16px;border:1px solid rgba(231,223,212,.9);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;font-size:18px}
    .backtop{display:none}
    .fade-in{opacity:0;transform:translateY(16px);transition:.6s ease}
    .fade-in.show{opacity:1;transform:none}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 11px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px}
    .notice{padding:14px 16px;border-radius:16px;background:linear-gradient(135deg,rgba(255,138,61,.08),rgba(233,79,100,.08));border:1px solid rgba(233,79,100,.14);color:#4b5563;line-height:1.7}
    .mobile-menu{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.reviews,.articles,.faq-list,.gallery,.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-menu{display:none;padding:0 0 16px}
      .mobile-menu.open{display:grid;gap:8px}
      .mobile-menu a{padding:12px 14px;border-radius:12px;background:#fff;border:1px solid var(--line)}
      .hero{padding-top:28px}
      .hero-grid,.grid-3,.grid-4,.reviews,.articles,.faq-list,.gallery,.footer-grid,form{grid-template-columns:1fr}
      .hero-main,.hero-side,.card,.form-wrap,.footer-box{padding:18px}
      .section-head{align-items:flex-start;flex-direction:column}
      .metric-grid{grid-template-columns:1fr 1fr}
      .float-tools{right:12px;bottom:12px}
    }