:root{
    --mint:#2fbf9f;
    --mint-deep:#12886f;
    --mint-soft:#e6f7f1;
    --mint-glow:rgba(47,191,159,.18);
    --ink:#15302a;
    --ink-2:#3d5a52;
    --ink-3:#6b8a81;
    --paper:#f3faf7;
    --line:#d6ece4;
    --white:#ffffff;
    --radius:16px;
    --shadow:0 10px 30px rgba(24,90,74,.08);
    --shadow-hover:0 18px 42px rgba(24,90,74,.16);
    --maxw:1180px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:
      radial-gradient(1200px 600px at 10% -5%, #dff6ee 0%, transparent 55%),
      radial-gradient(1000px 520px at 95% 8%, #e9fbf5 0%, transparent 50%),
      linear-gradient(180deg,#f3faf7 0%,#eef8f3 40%,#f6fcf9 100%);
    color:var(--ink);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;height:auto;}
  ul{list-style:none;}
  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

  /* ---------- 顶部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:nowrap;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand img{width:auto;height:34px;max-width:140px;object-fit:contain;}
  .brand-text{display:flex;flex-direction:column;line-height:1.2;}
  .brand-text strong{font-size:15px;letter-spacing:.5px;color:var(--ink);}
  .brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:1px;}
  .nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
  .nav-links a{display:block;padding:8px 12px;font-size:14px;color:var(--ink-2);border-radius:8px;transition:color .2s,background .2s;white-space:nowrap;}
  .nav-links a:hover{color:var(--mint-deep);background:var(--mint-soft);}
  .nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;font-family:inherit;font-weight:600;border-radius:10px;transition:transform .18s ease,box-shadow .25s ease,background .25s ease;white-space:nowrap;}
  .btn:active{transform:scale(.97);}
  .btn-primary{background:linear-gradient(135deg,#2fbf9f,#12886f);color:#fff;padding:10px 20px;font-size:14px;box-shadow:0 8px 20px var(--mint-glow);}
  .btn-primary:hover{box-shadow:0 12px 26px rgba(24,136,111,.32);transform:translateY(-2px);}
  .btn-ghost{background:#fff;color:var(--mint-deep);border:1px solid var(--mint);padding:9px 18px;font-size:14px;}
  .btn-ghost:hover{background:var(--mint-soft);transform:translateY(-2px);}
  .btn-lg{padding:14px 30px;font-size:16px;border-radius:12px;}
  .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;transition:.25s;}
  .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle.open span:nth-child(2){opacity:0;}
  .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .mobile-menu{display:none;flex-direction:column;gap:4px;padding:10px 20px 18px;border-top:1px solid var(--line);background:#fff;}
  .mobile-menu a{padding:11px 12px;border-radius:8px;font-size:15px;color:var(--ink-2);}
  .mobile-menu a:hover{background:var(--mint-soft);color:var(--mint-deep);}
  .mobile-menu.open{display:flex;}

  /* ---------- 通用区块 ---------- */
  section{padding:72px 0;position:relative;}
  .sec-head{max-width:760px;margin:0 auto 44px;text-align:center;}
  .eyebrow{display:inline-block;font-size:12px;letter-spacing:2px;font-weight:700;color:var(--mint-deep);background:var(--mint-soft);padding:5px 14px;border-radius:999px;margin-bottom:14px;}
  .sec-head h2{font-size:clamp(22px,3.2vw,32px);line-height:1.35;letter-spacing:.5px;color:var(--ink);}
  .sec-head p{margin-top:14px;color:var(--ink-3);font-size:15px;}
  .sec-head.left{margin-left:0;text-align:left;}

  /* ---------- Hero ---------- */
  .hero{padding:64px 0 72px;overflow:hidden;}
  .hero::before{content:"";position:absolute;inset:0;background:
      radial-gradient(560px 320px at 78% 22%, rgba(47,191,159,.20), transparent 70%),
      radial-gradient(500px 300px at 12% 78%, rgba(18,136,111,.12), transparent 70%);
    pointer-events:none;}
  .hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
  .hero h1{font-size:clamp(27px,4.4vw,44px);line-height:1.28;letter-spacing:1px;color:var(--ink);}
  .hero h1 em{font-style:normal;color:var(--mint-deep);position:relative;}
  .hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:8px;background:linear-gradient(90deg,rgba(47,191,159,.4),rgba(47,191,159,0));border-radius:4px;z-index:-1;}
  .hero-desc{margin-top:20px;font-size:16px;color:var(--ink-2);max-width:560px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
  .hero-tags span{font-size:13px;color:var(--mint-deep);background:rgba(255,255,255,.8);border:1px solid var(--line);padding:5px 13px;border-radius:999px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;align-items:center;}
  .hero-note{font-size:13px;color:var(--ink-3);}
  .hero-panel{position:relative;background:linear-gradient(160deg,#ffffff,#f1fbf6);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow);}
  .hero-panel::after{content:"";position:absolute;inset:-1px;border-radius:22px;background:linear-gradient(135deg,rgba(47,191,159,.28),transparent 45%);pointer-events:none;mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude;padding:1px;}
  .panel-title{font-size:13px;letter-spacing:2px;color:var(--ink-3);margin-bottom:16px;}
  .metric-list{display:flex;flex-direction:column;gap:12px;}
  .metric{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;transition:transform .22s,box-shadow .22s;}
  .metric:hover{transform:translateX(4px);box-shadow:0 8px 18px rgba(24,90,74,.08);}
  .metric .m-label{font-size:14px;color:var(--ink-2);}
  .metric .m-value{font-size:17px;font-weight:800;color:var(--mint-deep);letter-spacing:.5px;}
  .pulse-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);margin-right:7px;box-shadow:0 0 0 0 rgba(47,191,159,.6);animation:pulse 2s infinite;}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,191,159,.55);}70%{box-shadow:0 0 0 10px rgba(47,191,159,0);}100%{box-shadow:0 0 0 0 rgba(47,191,159,0);}}

  /* ---------- 数据条 ---------- */
  .stats-strip{margin-top:-6px;padding:0 0 10px;}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;text-align:center;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
  .stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .stat-card b{display:block;font-size:24px;color:var(--mint-deep);letter-spacing:.5px;}
  .stat-card span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3);}

  /* ---------- 关于我们 ---------- */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:stretch;}
  .about-main{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:var(--shadow);}
  .about-main h2{font-size:clamp(21px,3vw,28px);margin-bottom:16px;}
  .about-main p{color:var(--ink-2);font-size:15px;margin-bottom:14px;}
  .about-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;}
  .about-points div{background:var(--mint-soft);border-radius:10px;padding:11px 14px;font-size:13.5px;color:var(--mint-deep);font-weight:600;}
  .about-side{display:flex;flex-direction:column;gap:16px;}
  .glass-card{background:linear-gradient(150deg,rgba(255,255,255,.95),rgba(230,247,241,.9));border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);}
  .glass-card h3{font-size:16px;margin-bottom:8px;color:var(--ink);}
  .glass-card p{font-size:14px;color:var(--ink-2);}

  /* ---------- 服务能力 ---------- */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .scene-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden;}
  .scene-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--mint),transparent);opacity:0;transition:opacity .25s;}
  .scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#b9e6d6;}
  .scene-card:hover::before{opacity:1;}
  .scene-icon{width:42px;height:42px;border-radius:12px;background:var(--mint-soft);color:var(--mint-deep);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;margin-bottom:14px;}
  .scene-card h3{font-size:16px;margin-bottom:8px;}
  .scene-card p{font-size:13.5px;color:var(--ink-3);line-height:1.65;}

  /* ---------- 一站式制作 ---------- */
  .flow-wrap{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 28px;box-shadow:var(--shadow);}
  .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative;}
  .timeline::before{content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--mint),#cfece2);z-index:0;}
  .step{position:relative;z-index:1;text-align:center;}
  .step-num{width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid var(--mint);color:var(--mint-deep);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;margin:0 auto 14px;transition:transform .25s,background .25s,color .25s;}
  .step:hover .step-num{background:var(--mint-deep);color:#fff;transform:scale(1.08);}
  .step h3{font-size:15px;margin-bottom:6px;}
  .step p{font-size:13px;color:var(--ink-3);}

  /* ---------- 行业方案 ---------- */
  .solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
  .solution-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
  .solution-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .sol-tag{flex:0 0 auto;width:8px;border-radius:8px;background:linear-gradient(180deg,var(--mint),#8fe0c9);}
  .solution-item h3{font-size:16px;margin-bottom:6px;}
  .solution-item p{font-size:13.5px;color:var(--ink-3);}

  /* ---------- 服务网络 ---------- */
  .network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .net-card{background:linear-gradient(160deg,#fff,#f0fbf6);border:1px dashed #b9e6d6;border-radius:16px;padding:22px;text-align:center;transition:transform .25s,box-shadow .25s;}
  .net-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
  .net-card strong{display:block;font-size:15px;margin-bottom:6px;color:var(--ink);}
  .net-card span{font-size:13px;color:var(--ink-3);}

  /* ---------- 对比评测 ---------- */
  .review-highlight{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch;margin-bottom:30px;}
  .score-card{background:linear-gradient(155deg,#12886f,#1fa98a);color:#fff;border-radius:20px;padding:34px 28px;box-shadow:0 16px 38px rgba(18,136,111,.28);display:flex;flex-direction:column;justify-content:center;text-align:center;}
  .score-card .stars{font-size:22px;letter-spacing:4px;color:#ffe9a8;margin-bottom:12px;}
  .score-card .score{font-size:52px;font-weight:800;line-height:1;letter-spacing:-1px;}
  .score-card .score small{font-size:18px;font-weight:500;opacity:.85;margin-left:4px;}
  .score-card p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.92);}
  .score-card .badge{display:inline-block;margin-top:16px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 16px;font-size:13px;}
  .review-points{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow);}
  .review-points h3{font-size:17px;margin-bottom:16px;}
  .review-points ul{display:flex;flex-direction:column;gap:10px;}
  .review-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);}
  .review-points li::before{content:"✓";flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--mint-soft);color:var(--mint-deep);font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:800;margin-top:2px;}
  .table-scroll{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);}
  table.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:14px;}
  table.compare th,table.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);}
  table.compare thead th{background:var(--mint-soft);color:var(--mint-deep);font-size:13.5px;letter-spacing:.5px;}
  table.compare tbody tr:last-child td{border-bottom:none;}
  table.compare tbody tr:hover{background:#f7fdfa;}
  table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
  table.compare .us{color:var(--mint-deep);font-weight:700;}

  /* ---------- 案例中心 ---------- */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .case-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;}
  .case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
  .case-media{aspect-ratio:16/10;overflow:hidden;background:var(--mint-soft);}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .case-card:hover .case-media img{transform:scale(1.06);}
  .case-body{padding:18px 20px 22px;}
  .case-body h3{font-size:15.5px;margin-bottom:6px;}
  .case-body p{font-size:13.5px;color:var(--ink-3);}

  /* ---------- 评论 ---------- */
  .comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .comment-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;}
  .comment-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .comment-card .quote{font-size:14px;color:var(--ink-2);flex:1;}
  .comment-user{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
  .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2fbf9f,#12886f);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0;}
  .comment-user strong{display:block;font-size:14px;color:var(--ink);}
  .comment-user span{font-size:12.5px;color:var(--ink-3);}

  /* ---------- Token比价 ---------- */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .price-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
  .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .price-card h3{font-size:16px;margin-bottom:6px;}
  .price-card .price-tag{font-size:13px;color:var(--ink-3);margin-bottom:16px;}
  .price-card .bar{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px;}
  .price-card .bar .name{flex:0 0 62px;color:var(--ink-2);}
  .price-card .bar .track{flex:1;height:8px;background:#eaf5f0;border-radius:6px;overflow:hidden;}
  .price-card .bar .fill{height:100%;border-radius:6px;background:linear-gradient(90deg,#2fbf9f,#8fe0c9);transition:width 1s ease;}
  .price-card .bar .val{flex:0 0 50px;text-align:right;color:var(--mint-deep);font-weight:700;}
  .price-note{margin-top:22px;text-align:center;font-size:13px;color:var(--ink-3);}

  /* ---------- 需求匹配 / 表单 ---------- */
  .form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch;}
  .form-side{background:linear-gradient(160deg,#12886f,#1fa98a);border-radius:20px;padding:34px 28px;color:#fff;display:flex;flex-direction:column;justify-content:center;box-shadow:0 16px 38px rgba(18,136,111,.24);}
  .form-side h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:14px;color:#fff;}
  .form-side p{font-size:14px;color:rgba(255,255,255,.9);margin-bottom:20px;}
  .contact-mini{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.95);}
  .contact-mini span{display:flex;align-items:center;gap:10px;}
  .contact-mini i{display:inline-flex;width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.18);align-items:center;justify-content:center;font-style:normal;font-size:13px;}
  .form-box{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 28px;box-shadow:var(--shadow);}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px;}
  .field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fbfefc;font-size:14px;font-family:inherit;color:var(--ink);transition:border-color .2s,box-shadow .2s;}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px var(--mint-glow);}
  .field textarea{resize:vertical;min-height:110px;}
  .form-box .btn-primary{width:100%;margin-top:4px;padding:13px;font-size:15px;}
  .form-tip{font-size:12.5px;color:var(--ink-3);text-align:center;margin-top:12px;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s;}
  .faq-item.open{border-color:#a9e0cf;}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:none;cursor:pointer;font-size:15px;font-weight:600;color:var(--ink);text-align:left;font-family:inherit;}
  .faq-q:hover{color:var(--mint-deep);}
  .faq-q .icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--mint-soft);color:var(--mint-deep);display:flex;align-items:center;justify-content:center;font-size:16px;transition:transform .25s,background .25s,color .25s;}
  .faq-item.open .faq-q .icon{transform:rotate(45deg);background:var(--mint-deep);color:#fff;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-3);}

  /* ---------- 资讯 / 文章 ---------- */
  .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .article-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;}
  .article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#a9e0cf;}
  .article-card .art-cat{display:inline-block;font-size:12px;color:var(--mint-deep);background:var(--mint-soft);border-radius:999px;padding:3px 11px;margin-bottom:12px;}
  .article-card h3{font-size:15.5px;line-height:1.5;margin-bottom:10px;}
  .article-card p{font-size:13px;color:var(--ink-3);}

  /* ---------- 加盟代理 ---------- */
  .join-wrap{background:linear-gradient(150deg,#ffffff,#e8f8f2);border:1px solid var(--line);border-radius:22px;padding:40px 32px;box-shadow:var(--shadow);display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;}
  .join-wrap h2{font-size:clamp(21px,3vw,28px);margin-bottom:14px;}
  .join-wrap p{font-size:14.5px;color:var(--ink-2);margin-bottom:20px;}
  .join-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .join-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .join-points div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;}
  .join-points strong{display:block;font-size:14px;color:var(--mint-deep);margin-bottom:4px;}
  .join-points span{font-size:12.5px;color:var(--ink-3);}

  /* ---------- 标签云 & 友情链接 ---------- */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
  .tag-cloud span{font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;transition:.22s;}
  .tag-cloud span:hover{color:var(--mint-deep);border-color:var(--mint);background:var(--mint-soft);transform:translateY(-2px);}
  .friend-links{display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:center;}
  .friend-links a{font-size:13.5px;color:var(--ink-2);transition:color .2s;}
  .friend-links a:hover{color:var(--mint-deep);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#10312a;color:#c7ded7;padding:52px 0 0;margin-top:24px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:36px;}
  .footer-brand img{height:34px;width:auto;margin-bottom:14px;filter:brightness(0) invert(1);opacity:.95;}
  .footer-brand p{font-size:13.5px;color:#9fc4b9;line-height:1.8;}
  .footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
  .footer-col ul{display:flex;flex-direction:column;gap:9px;}
  .footer-col li a{font-size:13.5px;color:#9fc4b9;transition:color .2s;}
  .footer-col li a:hover{color:#5fe0be;}
  .footer-contact li{font-size:13.5px;color:#9fc4b9;}
  .footer-contact li strong{color:#c7ded7;font-weight:600;}
  .footer-qr{display:flex;align-items:center;gap:12px;margin-top:16px;}
  .footer-qr img{width:78px;height:78px;object-fit:contain;border-radius:8px;background:#fff;padding:4px;}
  .footer-qr span{font-size:12.5px;color:#9fc4b9;}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:12.5px;color:#8bb3a7;}
  .footer-bottom a{color:#9fc4b9;}
  .footer-bottom a:hover{color:#5fe0be;}
  .home-link-footer{color:#5fe0be;}

  /* ---------- 浮动客服 / 返回顶部 ---------- */
  .float-tools{position:fixed;right:18px;bottom:22px;z-index:200;display:flex;flex-direction:column;gap:10px;}
  .float-btn{width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(18,136,111,.28);transition:transform .2s,box-shadow .25s,opacity .25s;}
  .float-btn:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(18,136,111,.4);}
  .float-kf{background:linear-gradient(135deg,#2fbf9f,#12886f);color:#fff;font-size:20px;}
  .float-top{background:#fff;color:var(--mint-deep);font-size:18px;border:1px solid var(--line);opacity:0;pointer-events:none;}
  .float-top.show{opacity:1;pointer-events:auto;}
  .kf-panel{position:fixed;right:18px;bottom:84px;z-index:200;width:230px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 20px 44px rgba(18,60,50,.18);opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;}
  .kf-panel.show{opacity:1;pointer-events:auto;transform:translateY(0);}
  .kf-panel h4{font-size:14px;margin-bottom:12px;color:var(--ink);}
  .kf-panel img{width:100%;border-radius:10px;margin-bottom:10px;}
  .kf-panel p{font-size:12.5px;color:var(--ink-3);line-height:1.7;}

  /* ---------- 动效 ---------- */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1080px){
    .nav-links{display:none;}
    .nav-cta .btn-ghost{display:none;}
    .menu-toggle{display:flex;}
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .hero-panel{max-width:520px;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .scene-grid{grid-template-columns:repeat(2,1fr);}
    .network-grid{grid-template-columns:repeat(2,1fr);}
    .case-grid{grid-template-columns:repeat(2,1fr);}
    .comment-grid{grid-template-columns:repeat(2,1fr);}
    .article-grid{grid-template-columns:repeat(2,1fr);}
    .price-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:860px){
    section{padding:56px 0;}
    .about-grid{grid-template-columns:1fr;}
    .solution-grid{grid-template-columns:1fr;}
    .review-highlight{grid-template-columns:1fr;}
    .form-wrap{grid-template-columns:1fr;}
    .join-wrap{grid-template-columns:1fr;padding:30px 24px;}
    .timeline{grid-template-columns:repeat(2,1fr);gap:20px;}
    .timeline::before{display:none;}
  }
  @media (max-width:640px){
    .container{padding:0 16px;}
    .nav-wrap{min-height:60px;gap:10px;}
    .brand img{height:28px;}
    .brand-text strong{font-size:13px;}
    .brand-text span{font-size:10px;letter-spacing:.5px;}
    .nav-cta .btn-primary{padding:8px 14px;font-size:13px;}
    .hero{padding:44px 0 54px;}
    .hero-actions{gap:10px;}
    .btn-lg{padding:12px 22px;font-size:15px;}
    .stats-grid{grid-template-columns:1fr 1fr;gap:12px;}
    .stat-card{padding:18px 14px;}
    .stat-card b{font-size:20px;}
    .scene-grid{grid-template-columns:1fr;}
    .network-grid{grid-template-columns:1fr 1fr;}
    .case-grid{grid-template-columns:1fr;}
    .comment-grid{grid-template-columns:1fr;}
    .article-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .join-points{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .float-tools{right:12px;bottom:16px;}
    .kf-panel{right:12px;width:calc(100% - 24px);max-width:280px;}
    .sec-head{margin-bottom:32px;}
  }