:root{
      --bg:#fffaf6;
      --card:#ffffff;
      --text:#2f2520;
      --muted:#7b6c64;
      --line:#eadbd0;
      --primary:#75442f;
      --primary-dark:#5d3322;
      --primary-soft:#fff0e7;735
      --green:#259b68;
      --green-soft:#eaf7f0;
      --amber:#d88900;
      --amber-soft:#fff7e6;
      --shadow-sm:0 5px 14px rgba(16,24,40,.025);
      --shadow:0 10px 28px rgba(16,24,40,.04);
      --shadow-lg:0 20px 60px rgba(16,24,40,.08);
      --radius:22px;
      --radius-sm:12px;
      --radius-lg:28px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.6;
      overflow-x:hidden;
    }
    a{text-decoration:none;color:inherit}
    button{font:inherit;cursor:pointer;border:none;background:none}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:56px 0}
    .section.white{background:#fffdfb}
    .section.soft{background:#faf4ee}
    .section-head{max-width:760px;margin:0 auto 28px;text-align:center}
    .section-head h2{margin:0 0 12px;font-size:32px;line-height:1.18;letter-spacing:-0.8px}
    .section-head p{margin:0;color:var(--muted);font-size:16px}

    /* 通用组件 */
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 11px;border-radius:999px;
      color:#b85a2b;background:var(--primary-soft);
      border:1px solid #f2d5c2;
      font-size:13px;font-weight:800;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:48px;padding:0 22px;border-radius:999px;
      font-weight:900;font-size:15px;border:1px solid transparent;
      transition:all .18s ease;
    }
    .btn:hover{transform:translateY(-1px);opacity:.92}
    .btn.primary{background:var(--primary);color:#fff;box-shadow:0 10px 25px rgba(117,68,47,.2)}
    .btn.secondary{background:var(--primary-soft);border-color:#edcfbc;color:#a44d25}
    .btn.ghost{background:#f5e6db;border-color:#ead3c3;color:var(--primary)}
    .btn.wide{width:100%}
    .muted{color:var(--muted)}
    .pill{
      display:inline-flex;padding:5px 9px;border-radius:999px;
      background:#f1f5f9;color:#475467;font-size:11px;font-weight:800
    }
    .check-icon{
      width:24px;height:24px;border-radius:50%;
      display:grid;place-items:center;flex:0 0 auto;
      background:var(--green-soft);color:var(--green);
      font-weight:900;font-size:14px;
    }
    .center-cta{text-align:center;margin-top:16px}

    /* 导航栏 */
    .nav{
      position:sticky;top:0;z-index:50;height:70px;
      background:rgba(255,253,251,.92);
      backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(234,219,208,.92);
    }
    .nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{
      display:flex;align-items:center;gap:10px;
      font-size:18px;font-weight:950;letter-spacing:-.3px;
    }
    .brand img{width:32px;height:32px;border-radius:8px;object-fit:cover}
    .nav-links{display:flex;align-items:center;gap:23px;color:#475467;font-size:14px}
    .nav-links a:hover{color:#b85a2b;transition:color .2s}
    .nav-cta{
      min-height:40px;padding:0 16px;border-radius:999px;
      background:var(--primary);color:#fff;font-weight:900;
    }

    /* Hero 首屏 */
    .hero{
      padding:48px 0 20px;
      background:
        radial-gradient(circle at 13% 8%,rgba(198,92,38,.12),transparent 34%),
        radial-gradient(circle at 88% 10%,rgba(232,157,90,.10),transparent 28%),
        linear-gradient(#fffdfb,#fff7f1);
      border-bottom:1px solid var(--line);
    }
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .hero h1{margin:17px 0 18px;font-size:52px;line-height:1.06;letter-spacing:-1.5px}
    .hero-lead{font-size:18px;color:#344054;margin:0 0 24px}
    .points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px 14px;margin:24px 0}
    .point{
      display:flex;align-items:center;gap:10px;
      min-height:46px;padding:10px 12px;border-radius:13px;
      background:#fff;border:1px solid #e4e9f0;
      font-size:15px;font-weight:850;color:#344054;
    }

    /* 赠品卡 */
    .gift{
      margin-top:22px;padding:18px;border-radius:19px;
      border:1px solid #f0d397;
      background:linear-gradient(135deg,#fff8e9,#fffdf8);
      box-shadow:0 10px 28px rgba(216,137,0,.07);
    }
    .gift-title{font-size:18px;font-weight:950;margin-bottom:12px}
    .gift-title strong{color:#d57900}
    .gift-items{display:grid;gap:8px;margin-bottom:16px}
    .gift-item{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800;color:#4b3a1d}
    .gift-icon{
      width:25px;height:25px;display:grid;place-items:center;
      border-radius:8px;background:#ffedc4;font-size:14px;
    }
    .hero-actions{display:flex;gap:11px;flex-wrap:wrap}
    .hero-note{font-size:12.5px;color:var(--muted);margin-top:10px}

    /* 价格卡 */
    .pricing-card{
      padding:24px;border-radius:var(--radius-lg);
      background:#fff;border:1px solid #e1e7ef;
      box-shadow:var(--shadow-lg);
    }
    .pricing-title{font-size:21px;font-weight:950}
    .pricing-sub{font-size:13px;color:var(--muted);margin-top:3px}
    .plan-mini{display:grid;gap:12px;margin-top:18px}
    .mini-row{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:16px;border:1px solid #e5eaf1;
      border-radius:17px;background:#fff;
      position:relative;overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .mini-row::before{
      content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
    }
    .mini-row:nth-child(1){background:#f8fbff;border-color:#dbe7fb}
    .mini-row:nth-child(1)::before{background:#75a7f7}
    .mini-row:nth-child(2){background:#f8fcfa;border-color:#dceee5}
    .mini-row:nth-child(2)::before{background:#64b98a}
    .mini-row:nth-child(3){background:#fffaf4;border-color:#f0e2cf}
    .mini-row:nth-child(3)::before{background:#d9a35c}
    .mini-row:nth-child(4){background:#faf8ff;border-color:#e7def6}
    .mini-row:nth-child(4)::before{background:#9b83cf}

    .mini-name{font-size:16px;font-weight:950}
    .mini-desc{font-size:12.5px;color:var(--muted);margin-top:3px}
    .mini-price{font-size:29px;font-weight:950;white-space:nowrap;letter-spacing:-.6px}
    .mini-price small{font-size:12px;color:var(--muted);font-weight:700}
    .recommended{
      display:inline-flex;margin-left:6px;padding:4px 7px;
      border-radius:8px;background:var(--primary-soft);
      color:#b85a2b;font-size:10px;font-weight:900;vertical-align:2px;
    }
    .pricing-help{
      margin-top:14px;padding:12px 13px;border-radius:12px;
      background:#f8fafc;color:#475467;text-align:center;font-size:12.5px;
    }

    /* 实时滚动条 */
    .live{
      margin-top:24px;border:1px solid var(--line);
      border-radius:18px;background:#fff;
      overflow:hidden;box-shadow:0 8px 24px rgba(16,24,40,.04);
    }
    .live-label{
      display:flex;align-items:center;gap:8px;
      padding:11px 16px 0;font-size:13px;font-weight:900;color:#344054;
    }
    .live-dot{
      width:8px;height:8px;border-radius:50%;
      background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.13);
      animation:pulse 2s infinite;
    }
    @keyframes pulse{
      0%,100%{box-shadow:0 0 0 4px rgba(34,197,94,.13)}
      50%{box-shadow:0 0 0 8px rgba(34,197,94,.08)}
    }
    .marquee{overflow:hidden;padding:10px 0 14px}
    .track{display:flex;width:max-content;animation:marquee 26s linear infinite}
    .marquee:hover .track{animation-play-state:paused}
    .live-item{
      margin-left:12px;white-space:nowrap;
      padding:8px 11px;border-radius:10px;
      background:#f8fafc;border:1px solid #edf0f4;
      font-size:13px;color:#475467;
    }
    .live-item b{color:#111827}
    .done{color:var(--green);font-weight:900}
    @keyframes marquee{to{transform:translateX(-50%)}}

    /* 信任数据 */
    .trust-stat-grid{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;margin-bottom:24px;
    }
    .trust-stat{
      padding:22px;border-radius:18px;background:#fff;
      border:1px solid var(--line);text-align:center;
    }
    .trust-stat strong{display:block;font-size:28px;line-height:1.1;margin-bottom:7px}
    .trust-stat span{color:var(--muted);font-size:13px}

    .social-proof{
      margin-top:18px;padding:18px 22px;border-radius:20px;
      background:linear-gradient(135deg,#fff5ed,#fee8d9);
      border:1px solid #efd3bf;color:#34241d;
      display:flex;align-items:center;justify-content:center;
      gap:14px;text-align:center;
      box-shadow:0 12px 28px rgba(136,75,43,.10);
    }
    .social-proof strong{font-size:28px;line-height:1;letter-spacing:-.5px}
    .social-proof .highlight-number{color:#b95528;font-size:1.15em;font-weight:950}

    /* 4项保障 */
    .guarantees{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .guarantee{
      padding:22px;border-radius:20px;background:#fff;
      border:1px solid var(--line);text-align:center;
    }
    .num{
      width:38px;height:38px;margin:0 auto 10px;
      border-radius:12px;background:var(--primary-soft);
      color:var(--primary);display:grid;place-items:center;
      font-size:13px;font-weight:950;letter-spacing:.08em;
    }
    .guarantee h3{margin:9px 0 8px;font-size:18px}
    .guarantee p{margin:0;color:var(--muted);font-size:13px}
    .guarantee-summary{
      margin-top:16px;text-align:center;
      font-size:18px;font-weight:900;
    }

    /* 套餐卡片 */
    .plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .plan-card{
      padding:21px;border-radius:22px;background:#fff;
      border:1px solid var(--line);box-shadow:var(--shadow);
      position:relative;overflow:hidden;
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
    .plan-card::before{
      content:"";position:absolute;left:0;right:0;top:0;height:5px;
    }
    .plan-card:nth-child(1){background:linear-gradient(180deg,#f8fbff 0,#fff 26%);border-color:#dbe7fb}
    .plan-card:nth-child(1)::before{background:#75a7f7}
    .plan-card:nth-child(2){background:linear-gradient(180deg,#f8fcfa 0,#fff 26%);border-color:#dceee5}
    .plan-card:nth-child(2)::before{background:#64b98a}
    .plan-card:nth-child(3){background:linear-gradient(180deg,#fffaf4 0,#fff 26%);border-color:#f0e2cf}
    .plan-card:nth-child(3)::before{background:#d9a35c}
    .plan-card:nth-child(4){background:linear-gradient(180deg,#faf8ff 0,#fff 26%);border-color:#e7def6}
    .plan-card:nth-child(4)::before{background:#9b83cf}

    .plan-card h3{margin:0;font-size:18px}
    .big-price{
      font-size:34px;font-weight:950;
      margin:11px 0 17px;letter-spacing:-1px;
      color:#172033;
    }
    .big-price small{font-size:13px;color:var(--muted);font-weight:700}
    .fit{display:grid;gap:9px;margin:0 0 18px;padding:0;list-style:none}
    .fit li{
      display:flex;gap:8px;color:#475467;font-size:12.5px;
      position:relative;padding-left:20px;
    }
    .fit li::before{
      content:"✓";position:absolute;left:0;top:0;
      color:var(--green);font-weight:900;
    }
    .plan-line{
      min-height:62px;padding:12px;border-radius:12px;
      background:#f8fafc;color:#475467;font-size:13px;
      margin-bottom:14px;
    }

    /* 开通流程 */
    .process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{
      padding:22px;border-radius:19px;background:#fff;
      border:1px solid var(--line);text-align:center;
    }
    .step-no{
      width:38px;height:38px;border-radius:12px;
      background:var(--primary-soft);color:var(--primary);
      display:grid;place-items:center;font-weight:950;
      margin:0 auto 14px;
    }
    .step h3{margin:0 0 7px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:13px}

    /* 验证截图区 */
    .verify-image-wrap{
      background:#fff;border:1px solid var(--line);
      border-radius:22px;padding:14px;box-shadow:var(--shadow);
    }
    .verify-proof-image{
      display:block;width:100%;height:auto;
      border-radius:16px;border:1px solid #edf0f4;
      background:#f8fafc;
    }

    /* 售后规则 */
    .rules{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .rule{
      padding:21px;border-radius:18px;background:#fff;
      border:1px solid var(--line);text-align:center;
    }
    .rule h3{margin:0 0 8px;font-size:17px}
    .rule p{margin:0;color:var(--muted);font-size:13px}

    /* 用户评价 */
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{
      padding:22px;border-radius:20px;background:#fff;
      border:1px solid var(--line);
    }
    .quote{font-size:17px;font-weight:800;line-height:1.55;margin-bottom:16px}
    .review-meta{font-size:12px;color:var(--muted)}
    .chat-shot{margin-top:14px;padding:13px;border-radius:14px;background:#f8fafc}
    .bubble{
      max-width:88%;padding:9px 11px;border-radius:12px;
      background:#fff;border:1px solid #e8ecf1;
      font-size:12px;color:#475467;
    }
    .bubble.right{margin-left:auto;background:#eef4ff;border-color:#d8e5ff}

    /* 企业服务 */
    .service-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
    .service-item{
      padding:20px 16px;border-radius:18px;background:#fff;
      border:1px solid var(--line);text-align:center;
    }
    .service-icon{
      width:42px;height:42px;border-radius:13px;
      display:grid;place-items:center;margin:0 auto 12px;
      background:var(--primary-soft);font-size:20px;
    }
    .service-item h3{margin:0 0 5px;font-size:15px}
    .service-item p{margin:0;color:var(--muted);font-size:12px}

    /* FAQ */
    .faq{max-width:900px;margin:0 auto;display:grid;gap:10px}
    .faq-item{
      background:#fff;border:1px solid var(--line);
      border-radius:16px;overflow:hidden;
      transition:box-shadow .2s ease;
    }
    .faq-item:hover{box-shadow:var(--shadow-sm)}
    .faq-q{
      width:100%;border:0;background:#fff;padding:18px 20px;text-align:left;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      font-weight:900;color:var(--text);
    }
    .faq-q span:last-child{
      font-size:20px;color:#98a2b3;
      transition:transform .2s ease;
    }
    .faq-a{
      max-height:0;overflow:hidden;
      padding:0 20px;color:var(--muted);font-size:14px;
      transition:max-height .3s ease, padding-bottom .3s ease;
    }
    .faq-item.open .faq-a{max-height:300px;padding-bottom:18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}

    /* 最终转化区 */
    .final{
      padding:64px 0;
      background:linear-gradient(135deg,#6b3d2b,#9a5837);
      color:#fff;
    }
    .final-card{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
    .final h2{font-size:40px;line-height:1.15;margin:0 0 15px}
    .final p{color:rgba(255,255,255,.78)}
    .final-points{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;margin:20px 0;
    }
    .final-point{
      padding:10px 12px;border-radius:12px;
      background:rgba(255,255,255,.10);
      font-size:14px;font-weight:800;
    }
    .final-price-row{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
    .price-pill{
      padding:8px 10px;border-radius:10px;
      background:rgba(255,255,255,.12);
      font-size:13px;font-weight:900;
    }
    .final-gift{padding:24px;border-radius:18px;background:#fff;color:#1f2937}
    .final-gift-title{font-size:18px;font-weight:950;margin-bottom:11px}
    .final-gift-title strong{color:#d57900}
    .final-gift ul{margin:0;padding-left:20px;color:#475467;font-size:13px}
    .final-gift-actions{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
    .final-gift-actions .btn{flex:1;min-width:120px}
    .final .btn.primary{background:var(--primary);color:#fff}
    .final .btn.secondary{background:var(--primary-soft);border-color:#edcfbc;color:#a44d25}
    .final-note{font-size:12px;color:rgba(255,255,255,.7);margin-top:10px}
    .final-gift .final-note{color:#667085}

    /* 页脚 */
    footer{background:#432a20;color:#fff;padding:34px 0 40px}
    .footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
    .footer-brand{
      display:flex;align-items:center;gap:10px;
      font-weight:950;font-size:18px;
    }
    .footer-brand img{width:32px;height:32px;border-radius:8px;object-fit:cover}
    .footer-sub{margin-top:7px;color:#eadbd0;font-size:13px}
    .footer-links{
      display:flex;gap:14px;flex-wrap:wrap;
      color:#cbd5e1;font-size:12px;
    }
    .disclaimer{
      margin-top:23px;padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#eadbd0;font-size:11.5px;line-height:1.7;
    }

    /* 移动端底部悬浮栏 */
    .mobile-sticky{
      display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
      padding:10px 12px;background:rgba(255,255,255,.96);
      backdrop-filter:blur(12px);
      border-top:1px solid var(--line);gap:9px;
    }
    .mobile-sticky .btn{flex:1;min-height:45px}

    /* 联系弹窗 */
    body.modal-open{overflow:hidden}
    .modal-backdrop{
      display:none;position:fixed;inset:0;z-index:9999;
      padding:24px;background:rgba(15,23,42,.58);
      backdrop-filter:blur(5px);
      align-items:center;justify-content:center;
      opacity:0;transition:opacity .2s ease;
    }
    .modal-backdrop.open{display:flex;opacity:1}
    .contact-modal{
      position:relative;
      width:min(430px,calc(100vw - 32px));
      max-height:calc(100vh - 40px);overflow:auto;
      padding:28px;border-radius:24px;background:#fff;
      border:1px solid #e6eaf0;
      box-shadow:0 28px 80px rgba(15,23,42,.28);
      text-align:center;
      transform:translateY(10px);
      transition:transform .2s ease;
    }
    .modal-backdrop.open .contact-modal{transform:translateY(0)}
    .modal-close{
      position:absolute;top:14px;right:14px;
      width:36px;height:36px;display:grid;place-items:center;
      border-radius:10px;background:#f2f4f7;color:#667085;
      font-size:24px;line-height:1;
      transition:background .2s;
    }
    .modal-close:hover{background:#e9edf3;color:#111827}
    .contact-modal h3{margin:2px 34px 8px;font-size:25px;line-height:1.25}
    .contact-modal > p{margin:0 auto 18px;color:#5f514a;font-size:16px;line-height:1.7;font-weight:650}
    .qr-wrap{
      width:246px;max-width:100%;aspect-ratio:1/1;
      margin:0 auto;padding:12px;border:1px solid #e4e9f0;
      border-radius:18px;background:#fff;
      box-shadow:0 8px 24px rgba(16,24,40,.06);
      overflow:hidden;
    }
    .qr-wrap .qr-svg{display:none}
    .qr-wrap .qr-image{display:block;width:100%;height:100%;object-fit:contain}
    .modal-tip{
      margin-top:15px;padding:12px 14px;border-radius:12px;
      background:#f8fafc;color:#5f514a;font-size:14px;line-height:1.65;
    }

    /* 响应式适配 */
    @media(max-width:980px){
      .nav-links{display:none}
      .hero-grid,.final-card{grid-template-columns:1fr}
      .trust-stat-grid,.guarantees,.process,.rules{grid-template-columns:repeat(2,minmax(0,1fr))}
      .plans,.reviews{grid-template-columns:repeat(2,minmax(0,1fr))}
      .service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    @media(max-width:640px){
      .container{width:calc(100% - 28px)}
      .section{padding:44px 0}
      .section-head h2{font-size:27px;letter-spacing:-.6px}
      .section-head p{font-size:15px}
      
      .hero{padding:32px 0 18px}
      .hero h1{font-size:34px;line-height:1.18;letter-spacing:-.8px}
      .hero-lead{font-size:15px;line-height:1.7}
      
      .points,.trust-stat-grid,.guarantees,.process,.rules,
      .final-points,.plans{grid-template-columns:1fr}
      
      .hero-actions{display:grid;grid-template-columns:1fr 1fr}
      .pricing-card{padding:16px}
      .mini-price{font-size:24px}
      
      .trust-stat strong{font-size:22px}
      .social-proof strong{font-size:clamp(16px,5vw,19px);line-height:1.35}
      
      .final h2{font-size:30px}
      .footer-grid{flex-direction:column}
      .mobile-sticky{display:flex}
      .qr-wrap{width:220px}
    }
  
/* 保留参考视觉，针对完整二维码原图与键盘操作补充。 */
.qr-wrap{width:min(100%,310px);aspect-ratio:888/1134;padding:0}
.qr-wrap .qr-image{height:auto;aspect-ratio:888/1134}
.qr-actions{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.qr-actions .btn{min-height:42px;padding:10px 14px;font-size:14px}
.contact-modal{max-height:calc(100dvh - 24px)}
.contact-modal > p{margin-bottom:12px}
.modal-backdrop{padding:12px}
:focus-visible{outline:3px solid #a65b32;outline-offset:4px}
.faq-q{width:100%;text-align:left}
@media(max-width:640px){
 .contact-modal{padding:20px 16px;border-radius:20px}
 .contact-modal h3{font-size:23px}
 .contact-modal > p{font-size:14px;line-height:1.5}
 .qr-wrap{width:min(100%,290px)}
 .reviews{grid-template-columns:1fr}
 .brand{font-size:18px}
 .modal-tip{margin-top:10px;padding:10px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){
 *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}