:root{
    --orange:#FF5A12;
    --orange-2:#F04400;
    --orange-deep:#C93A00;
    --orange-soft:#FFF1E8;
    --ink:#1B1512;
    --ink-2:#453A34;
    --muted:#786A61;
    --line:#F3DCCC;
    --bg:#FFF9F5;
    --white:#FFFFFF;
    --shadow:0 8px 22px rgba(150,70,25,.07);
    --shadow-hover:0 18px 38px rgba(160,70,20,.14);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:88px;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
    color:var(--ink);
    background-color:var(--bg);
    background-image:
      radial-gradient(900px 480px at 82% -120px, #FFE2D0 0%, rgba(255,226,208,0) 62%),
      radial-gradient(760px 420px at 5% 32%, #FFF0E4 0%, rgba(255,240,228,0) 68%),
      linear-gradient(180deg,#FFF9F5 0%,#FFF6EF 45%,#FFF9F5 100%);
    background-attachment:fixed;
    font-size:16px;
    line-height:1.72;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;border:0;}
  a{color:var(--orange-deep);text-decoration:none;}
  ul{margin:0;padding:0;list-style:none;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,249,245,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;position:relative;}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
  .brand .ai-page-logo{width:38px;}
  .brand-text{font-size:18px;font-weight:800;letter-spacing:.6px;}
  .nav-menu{display:flex;align-items:center;gap:0;}
  .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;margin:0;padding:0;list-style:none;}
  .nav-links li{flex:0 0 auto;}
  .nav-links a{
    display:block;padding:8px 11px;font-size:15px;color:var(--ink-2);
    border-radius:9px;transition:color .2s ease,background .2s ease;
  }
  .nav-links a:hover{color:var(--orange-deep);background:var(--orange-soft);}
  .nav-cta{padding:9px 18px;font-size:14px;margin-left:10px;}
  .nav-toggle{
    display:none;width:42px;height:38px;border:1px solid var(--line);border-radius:10px;
    background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
  .nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.active span:nth-child(2){opacity:0;}
  .nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
    font-family:inherit;
  }
  .btn-primary{background:linear-gradient(135deg,#FF7A2F 0%,#F04400 100%);color:#fff;box-shadow:0 10px 22px rgba(240,68,0,.26);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(240,68,0,.32);}
  .btn-ghost{background:#fff;color:var(--orange-deep);border-color:#F5C7AB;}
  .btn-ghost:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(200,80,20,.14);}
  .btn-dark{background:#2A1A12;color:#FFD9C2;border-color:#3A241A;}
  .btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(30,15,5,.28);}
  .btn:active{transform:translateY(0) scale(.985);}

  /* 区块通用 */
  .block{padding:62px 0;}
  .block-tint{background:rgba(255,255,255,.62);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:780px;margin:0 auto 34px;text-align:center;}
  .section-head.left{text-align:left;margin-left:0;}
  .eyebrow{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;
    color:var(--orange-deep);background:#FFEBDF;border:1px solid #FBD3BC;
    padding:4px 13px;border-radius:999px;margin-bottom:14px;
  }
  h2{font-size:clamp(23px,3vw,33px);line-height:1.32;margin:0 0 12px;letter-spacing:-.4px;font-weight:800;}
  h3{font-size:17px;margin:0 0 8px;font-weight:700;color:var(--ink);}
  .section-head p{margin:0;color:var(--muted);font-size:15.5px;}

  /* 首屏 */
  .hero{position:relative;overflow:hidden;padding:66px 0 54px;border-bottom:1px solid var(--line);}
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(560px 320px at 16% 6%, rgba(255,106,26,.18), transparent 70%),
      radial-gradient(520px 320px at 86% 0%, rgba(255,168,90,.22), transparent 72%);
  }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(214,124,74,.09) 1px,transparent 1px),
      linear-gradient(90deg,rgba(214,124,74,.09) 1px,transparent 1px);
    background-size:58px 58px;
    -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 88%);
    mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 88%);
  }
  .hero-inner{position:relative;z-index:2;text-align:center;}
  .hero-eyebrow{
    display:inline-block;font-size:13.5px;font-weight:700;letter-spacing:1px;
    color:#C43C00;background:rgba(255,255,255,.86);border:1px solid #F8CDB2;
    padding:6px 16px;border-radius:999px;margin:0 0 20px;
  }
  .hero h1{
    font-size:clamp(29px,5vw,50px);line-height:1.22;letter-spacing:-1px;
    margin:0 auto 18px;max-width:900px;font-weight:900;color:var(--ink);
  }
  .hero h1 .hl{color:#E84100;}
  .hero-sub{max-width:760px;margin:0 auto 28px;color:#5C4C43;font-size:16px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;}
  .hero-stats{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
    margin:38px 0 0;padding:0;list-style:none;
  }
  .hero-stats li{
    background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:16px;
    padding:16px 12px;text-align:center;box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .hero-stats li:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F6C7A7;}
  .hero-stats strong{display:block;font-size:20px;color:#E84100;font-weight:800;letter-spacing:-.3px;}
  .hero-stats span{display:block;font-size:13px;color:var(--muted);margin-top:2px;}

  /* 通用网格与卡片 */
  .grid{display:grid;gap:20px;}
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
  .card{
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    display:flex;flex-direction:column;gap:6px;
  }
  .card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .card p{margin:0;color:var(--muted);font-size:14.6px;line-height:1.7;}
  .card-tag{
    align-self:flex-start;font-size:12.5px;font-weight:700;color:#C43C00;
    background:#FFF0E6;border:1px solid #FAD3BB;border-radius:999px;padding:2px 10px;margin-bottom:4px;
  }

  /* 关于 */
  .about-lede{
    background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);
    border-radius:16px;padding:22px 24px;margin-bottom:26px;box-shadow:var(--shadow);
  }
  .about-lede p{margin:0;color:#4E4038;font-size:15.5px;}
  .about-lede p + p{margin-top:10px;}

  /* 流程步骤 */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
  .step{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 20px;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .step-num{
    display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,#FF7A2F,#F04400);color:#fff;font-weight:800;font-size:15px;margin-bottom:12px;
  }
  .step h3{font-size:16px;}
  .step p{margin:0;color:var(--muted);font-size:14.4px;}

  /* 行业方案 */
  .split{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:start;}
  .solution-list{display:grid;gap:14px;}
  .solution-item{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .solution-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .solution-item h3{font-size:16px;margin-bottom:4px;}
  .solution-item p{margin:0;color:var(--muted);font-size:14.4px;}
  .figure-card{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;
    box-shadow:var(--shadow);margin:0;
  }
  .figure-card img{width:100%;height:auto;border-radius:12px;}
  .figure-card figcaption{margin-top:10px;font-size:13.5px;color:var(--muted);text-align:center;}

  /* 案例 */
  .case-card{
    background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    display:flex;flex-direction:column;
  }
  .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .case-media{width:100%;aspect-ratio:16/10;overflow:hidden;background:#FFF1E7;}
  .case-media img{width:100%;height:100%;object-fit:cover;}
  .case-body{padding:18px 20px 22px;}
  .case-body h3{font-size:16.5px;}
  .case-body p{margin:0;color:var(--muted);font-size:14.4px;}

  /* 表格 */
  .table-scroll{overflow-x:auto;border-radius:18px;box-shadow:var(--shadow);background:#fff;border:1px solid var(--line);}
  table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.6px;}
  caption{caption-side:top;text-align:left;padding:18px 20px 6px;color:var(--ink);font-weight:800;font-size:16px;}
  thead th{
    background:#FFF0E6;color:#8A3400;font-weight:800;text-align:left;
    padding:14px 18px;border-bottom:1px solid #F7D9C6;white-space:nowrap;
  }
  thead th:nth-child(2){background:#FFE3D2;color:#B53400;}
  tbody td{padding:13px 18px;border-bottom:1px solid #F7E7DC;color:#4C3E36;vertical-align:top;}
  tbody td:nth-child(2){background:#FFF8F3;font-weight:600;color:#B53400;}
  tbody tr:last-child td{border-bottom:0;}
  tbody tr:hover td{background:#FFFBF7;}
  tbody tr:hover td:nth-child(2){background:#FFF1E7;}

  /* 评分卡 */
  .score-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;margin-top:26px;align-items:stretch;}
  .score-card{
    background:linear-gradient(160deg,#2A1608 0%,#431F0A 100%);
    border-radius:20px;padding:28px 24px;color:#FFF0E4;
    box-shadow:0 18px 36px rgba(60,25,5,.24);
    display:flex;flex-direction:column;justify-content:center;gap:10px;
  }
  .score-num{font-size:52px;font-weight:900;line-height:1;color:#FFB077;letter-spacing:-2px;}
  .score-num span{font-size:19px;font-weight:700;color:#F3C6A5;letter-spacing:0;}
  .stars{color:#FFC257;font-size:19px;letter-spacing:3px;}
  .score-card p{margin:0;color:#F6DCC9;font-size:14.6px;}
  .score-card strong{color:#FFFFFF;}
  .score-note{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;
    box-shadow:var(--shadow);
  }
  .score-note ul{display:grid;gap:10px;}
  .score-note li{
    position:relative;padding-left:24px;color:#4C3E36;font-size:14.8px;
  }
  .score-note li::before{
    content:"";position:absolute;left:4px;top:9px;width:8px;height:8px;border-radius:50%;
    background:linear-gradient(135deg,#FF8A3D,#F04400);
  }

  /* Token 档位 */
  .price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .price-card{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 24px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .price-card.featured{border:2px solid #F57227;background:linear-gradient(180deg,#FFF7F1,#FFFFFF);}
  .price-card h3{font-size:18px;margin:0;}
  .price-badge{font-size:12.5px;font-weight:700;color:#B53400;background:#FFE9DB;border-radius:999px;padding:3px 11px;align-self:flex-start;}
  .price-card ul{display:grid;gap:8px;}
  .price-card li{position:relative;padding-left:20px;color:#54453C;font-size:14.4px;}
  .price-card li::before{content:"";position:absolute;left:2px;top:8px;width:7px;height:7px;border-radius:2px;background:#F57227;}

  /* 加盟条 */
  .partner-card{
    background:linear-gradient(120deg,#25150C 0%,#3F1D09 55%,#5A2809 100%);
    border-radius:22px;padding:34px 32px;color:#FFF3E9;
    box-shadow:0 20px 42px rgba(60,25,5,.26);
    display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center;
  }
  .partner-card h2{color:#FFFFFF;margin-bottom:10px;}
  .partner-card p{color:#F3D8C4;margin:0 0 16px;font-size:15px;}
  .partner-list{display:grid;gap:8px;margin-bottom:20px;}
  .partner-list li{position:relative;padding-left:22px;color:#F6E2D3;font-size:14.6px;}
  .partner-list li::before{content:"";position:absolute;left:3px;top:9px;width:7px;height:7px;border-radius:50%;background:#FFA15C;}
  .partner-side{display:flex;flex-direction:column;gap:12px;}

  /* 评论 */
  .review-card{
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .review-quote{color:#4C3E36;font-size:14.8px;margin:0;line-height:1.75;}
  .review-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
  .avatar{
    width:38px;height:38px;border-radius:50%;flex:0 0 auto;
    background:linear-gradient(135deg,#FFB27A,#F04400);color:#fff;
    display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  }
  .review-user strong{display:block;font-size:14.5px;color:var(--ink);}
  .review-user span{display:block;font-size:12.8px;color:var(--muted);}

  /* 帮助中心 */
  .help-card{
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    display:flex;flex-direction:column;gap:6px;
  }
  .help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .help-card p{margin:0;color:var(--muted);font-size:14.4px;}

  /* FAQ */
  .faq-list{display:grid;gap:12px;max-width:980px;margin:0 auto;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
  .faq-item.open{border-color:#F5B78E;box-shadow:0 12px 26px rgba(160,70,20,.12);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:17px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:15.6px;font-weight:700;color:var(--ink);font-family:inherit;
  }
  .faq-q:hover{color:var(--orange-deep);}
  .faq-icon{
    flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:#FFEDE1;color:#C43C00;
    display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
    transition:transform .28s ease,background .28s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:#FFDCC5;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
  .faq-a p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:14.8px;line-height:1.75;}

  /* 标签云 */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
  .tag-cloud span{
    display:inline-block;padding:7px 14px;border-radius:999px;font-size:13.8px;
    background:#fff;border:1px solid var(--line);color:#5B4A40;
    transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .tag-cloud span:hover{transform:translateY(-3px);background:#FFF0E6;color:#B53400;border-color:#F7C8AA;}
  .model-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .model-cloud span{
    font-size:13px;padding:5px 11px;border-radius:8px;background:#FFF6F0;
    border:1px solid #F7E1D3;color:#6A584D;
  }

  /* 资讯 */
  .news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .news-item{
    display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;
    box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F6C3A0;}
  .news-item h3{font-size:16px;color:var(--ink);margin-bottom:6px;}
  .news-item p{margin:0;color:var(--muted);font-size:14.2px;}

  /* 联系 */
  .contact-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:start;}
  .contact-panel{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow);
    display:flex;flex-direction:column;gap:14px;
  }
  .contact-list{display:grid;gap:12px;}
  .contact-list li{display:flex;gap:10px;font-size:14.6px;color:#4C3E36;align-items:flex-start;}
  .contact-list .k{flex:0 0 88px;color:var(--muted);font-size:14px;}
  .contact-list .v{color:var(--ink);font-weight:600;word-break:break-all;}
  .kefu-qr{border:1px solid var(--line);border-radius:14px;padding:10px;background:#FFF9F5;text-align:center;}
  .kefu-qr img{width:100%;max-width:190px;margin:0 auto;border-radius:10px;}
  .kefu-qr span{display:block;margin-top:8px;font-size:13px;color:var(--muted);}

  .demand-form{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);
    display:grid;gap:16px;
  }
  .form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .demand-form label{display:flex;flex-direction:column;gap:7px;font-size:14.2px;font-weight:600;color:#4C3E36;}
  .demand-form input,
  .demand-form select,
  .demand-form textarea{
    width:100%;padding:11px 14px;border-radius:11px;border:1px solid #EFD8C9;background:#FFFCFA;
    font-size:14.6px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .demand-form input::placeholder,
  .demand-form textarea::placeholder{color:#B3A197;}
  .demand-form input:focus,
  .demand-form select:focus,
  .demand-form textarea:focus{
    outline:none;border-color:#F58A45;background:#fff;box-shadow:0 0 0 3px rgba(245,138,69,.16);
  }
  .demand-form textarea{resize:vertical;min-height:104px;}
  .form-submit{width:100%;padding:13px 24px;font-size:15.5px;}
  .form-tip{margin:0;font-size:12.8px;color:var(--muted);text-align:center;}

  /* 页脚 */
  .site-footer{
    background:#22150E;color:#F3E2D6;border-top:1px solid #3A2418;
    padding:40px 0 22px;font-size:14.2px;
  }
  .footer-top{display:grid;grid-template-columns:1fr 1.1fr;gap:30px;align-items:start;}
  .footer-brand{display:flex;flex-direction:column;gap:10px;}
  .footer-brand .brand-line{display:flex;align-items:center;gap:10px;}
  .footer-brand .ai-page-logo{width:36px;background:#fff;border-radius:8px;padding:3px;}
  .footer-brand strong{font-size:17px;color:#FFFFFF;letter-spacing:.5px;}
  .footer-brand p{margin:0;color:#D9C0B0;font-size:13.8px;line-height:1.7;}
  .footer-brand a{color:#FFB784;}
  .footer-links h3{font-size:15px;color:#FFFFFF;margin:0 0 12px;}
  .friend-links{display:flex;flex-wrap:wrap;gap:8px;}
  .friend-links a{
    display:inline-block;padding:5px 12px;border-radius:999px;font-size:13.2px;
    background:rgba(255,255,255,.08);color:#FFCBA6;border:1px solid rgba(255,180,130,.24);
    transition:background .2s ease,color .2s ease,transform .2s ease;
  }
  .friend-links a:hover{background:rgba(255,138,61,.22);color:#FFFFFF;transform:translateY(-2px);}
  .footer-bottom{
    margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
    color:#C6AE9F;font-size:13px;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  }
  .footer-bottom a{color:#FFB784;}

  /* 浮动工具 */
  .float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;}
  .float-btn{
    width:50px;height:50px;border-radius:50%;border:1px solid #F5C7AB;background:#fff;color:#C43C00;
    font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 10px 22px rgba(160,70,20,.18);
    display:flex;align-items:center;justify-content:center;font-family:inherit;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .float-btn:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(160,70,20,.24);background:#FFF6F0;}
  .float-kefu{background:linear-gradient(135deg,#FF7A2F,#F04400);color:#fff;border-color:#F04400;}
  .float-kefu:hover{background:linear-gradient(135deg,#FF8A45,#F55000);}
  .kefu-panel{
    position:fixed;right:18px;bottom:86px;z-index:95;width:250px;
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;
    box-shadow:0 22px 46px rgba(120,50,15,.22);
  }
  .kefu-panel[hidden]{display:none;}
  .kefu-panel h3{font-size:15px;margin:0 0 10px;color:var(--ink);}
  .kefu-panel ul{display:grid;gap:8px;margin-bottom:12px;}
  .kefu-panel li{font-size:13.4px;color:#54453C;word-break:break-all;}
  .kefu-panel img{width:100%;border-radius:10px;border:1px solid var(--line);}
  .kefu-close{
    position:absolute;top:10px;right:12px;border:0;background:transparent;color:#B49584;
    font-size:17px;cursor:pointer;line-height:1;padding:2px 4px;
  }
  .kefu-close:hover{color:#C43C00;}

  /* 动画 */
  .js .reveal{opacity:0;transform:translateY(20px);transition:opacity .62s cubic-bezier(.22,.61,.36,1),transform .62s cubic-bezier(.22,.61,.36,1);}
  .js .reveal.is-visible{opacity:1;transform:none;}
  @media (prefers-reduced-motion: reduce){
    .js .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  }

  /* 响应式 */
  @media (max-width:1024px){
    .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
    .price-grid{grid-template-columns:1fr;}
    .split{grid-template-columns:1fr;}
    .score-wrap{grid-template-columns:1fr;}
    .partner-card{grid-template-columns:1fr;}
    .contact-wrap{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr;}
    .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:960px){
    .nav-toggle{display:flex;}
    .nav-menu{
      position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
      background:#FFFBF8;border-bottom:1px solid var(--line);padding:10px 16px 18px;
      box-shadow:0 18px 34px rgba(140,60,20,.12);border-radius:0 0 16px 16px;
    }
    .nav-menu.open{display:flex;}
    .nav-links{flex-direction:column;align-items:stretch;gap:0;}
    .nav-links a{padding:11px 10px;border-radius:9px;font-size:15px;}
    .nav-cta{margin:10px 0 0;width:100%;}
    .nav-wrap{flex-wrap:nowrap;}
    .grid-2,.news-grid,.form-row{grid-template-columns:1fr;}
    .block{padding:48px 0;}
    .hero{padding:52px 0 44px;}
  }
  @media (max-width:640px){
    .grid-3{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
    .hero-actions .btn{flex:1 1 100%;}
    .score-num{font-size:44px;}
    .float-tools{right:12px;bottom:14px;}
    .kefu-panel{right:12px;bottom:76px;width:calc(100vw - 24px);max-width:280px;}
    .demand-form,.contact-panel{padding:20px;}
    .partner-card{padding:26px 20px;}
  }