*{margin:0;padding:0;box-sizing:border-box;}
    :root{
      --c-primary:#0b5cff;
      --c-primary-deep:#0842c4;
      --c-accent:#ff6a3d;
      --c-ink:#101828;
      --c-ink-soft:#344054;
      --c-muted:#667085;
      --c-line:#e4e9f2;
      --c-bg:#f5f8ff;
      --c-card:#ffffff;
      --c-soft-blue:#eaf1ff;
      --radius:16px;
      --shadow:0 12px 32px rgba(16,24,40,.08);
      --shadow-hover:0 20px 44px rgba(11,92,255,.16);
    }
    html{scroll-behavior:smooth;}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
      background:
        radial-gradient(1200px 600px at 10% -5%, #e9f1ff 0%, transparent 60%),
        radial-gradient(1000px 500px at 95% 5%, #fff1ec 0%, transparent 55%),
        linear-gradient(180deg,#f7faff 0%,#ffffff 40%,#f5f8ff 100%);
      color:var(--c-ink);
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;height:auto;display:block;}
    a{color:inherit;text-decoration:none;}
    ul{list-style:none;}
    .container{
      width:100%;
      max-width:1180px;
      margin:0 auto;
      padding:0 20px;
    }
    section{position:relative;}
    .section-pad{padding:72px 0;}
    /* 标题 */
    .sec-head{
      text-align:center;
      max-width:780px;
      margin:0 auto 44px;
    }
    .sec-eyebrow{
      display:inline-block;
      font-size:13px;
      font-weight:600;
      letter-spacing:.12em;
      color:var(--c-primary);
      background:var(--c-soft-blue);
      border:1px solid #d6e2ff;
      padding:5px 14px;
      border-radius:999px;
      margin-bottom:14px;
    }
    .sec-head h2{
      font-size:clamp(24px,3.4vw,36px);
      line-height:1.3;
      letter-spacing:-.01em;
      margin-bottom:12px;
    }
    .sec-head p{color:var(--c-muted);font-size:15px;}
    /* 按钮 */
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-size:15px;
      font-weight:600;
      padding:13px 26px;
      border-radius:999px;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--c-primary),#3d7bff);
      color:#fff;
      box-shadow:0 10px 24px rgba(11,92,255,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,92,255,.36);}
    .btn-ghost{
      background:#fff;
      color:var(--c-ink);
      border-color:var(--c-line);
    }
    .btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c9d8ff;}
    .btn-accent{
      background:linear-gradient(135deg,#ff7a4d,#ff5230);
      color:#fff;
      box-shadow:0 10px 24px rgba(255,106,61,.28);
    }
    .btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,106,61,.36);}
    /* 顶部导航 */
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(14px);
      border-bottom:1px solid var(--c-line);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      min-height:70px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      font-size:19px;
      color:var(--c-ink);
      flex-shrink:0;
    }
    .brand .logo-box{width:36px;height:36px;display:flex;align-items:center;justify-content:center;}
    .brand small{display:block;font-size:11px;font-weight:500;color:var(--c-muted);letter-spacing:.05em;}
    .nav-links{
      display:flex;
      align-items:center;
      gap:0;
      flex-wrap:wrap;
    }
    .nav-links a{
      font-size:14px;
      font-weight:500;
      color:var(--c-ink-soft);
      padding:9px 11px;
      border-radius:10px;
      transition:background .2s, color .2s;
    }
    .nav-links a:hover{background:var(--c-soft-blue);color:var(--c-primary);}
    .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
    .nav-actions .btn{padding:10px 20px;font-size:14px;}
    .menu-toggle{
      display:none;
      width:42px;height:42px;
      border-radius:12px;
      border:1px solid var(--c-line);
      background:#fff;
      cursor:pointer;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:4px;
    }
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:.25s;}
    .mobile-panel{
      display:none;
      background:#fff;
      border-bottom:1px solid var(--c-line);
      padding:8px 20px 20px;
    }
    .mobile-panel a{
      display:block;
      padding:12px 8px;
      font-size:15px;
      color:var(--c-ink-soft);
      border-bottom:1px dashed #eef1f7;
    }
    .mobile-panel a:last-child{border-bottom:none;}
    /* Hero */
    .hero{
      padding:64px 0 60px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:48px;
      align-items:center;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      font-weight:600;
      color:var(--c-primary);
      background:#fff;
      border:1px solid #d6e2ff;
      padding:7px 16px;
      border-radius:999px;
      box-shadow:0 6px 16px rgba(11,92,255,.08);
      margin-bottom:20px;
    }
    .hero-badge i{
      width:8px;height:8px;border-radius:50%;
      background:var(--c-primary);
      box-shadow:0 0 0 4px rgba(11,92,255,.15);
      animation:pulse 2s infinite;
    }
    @keyframes pulse{
      0%,100%{box-shadow:0 0 0 4px rgba(11,92,255,.15);}
      50%{box-shadow:0 0 0 8px rgba(11,92,255,.05);}
    }
    .hero h1{
      font-size:clamp(30px,4.4vw,50px);
      line-height:1.2;
      letter-spacing:-.02em;
      margin-bottom:18px;
      color:var(--c-ink);
    }
    .hero h1 em{
      font-style:normal;
      color:var(--c-primary);
      background:linear-gradient(180deg,transparent 62%,#d9e6ff 62%);
      padding:0 2px;
    }
    .hero-lead{
      font-size:16px;
      color:var(--c-ink-soft);
      max-width:560px;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
    .hero-meta{
      display:flex;flex-wrap:wrap;gap:18px;
      font-size:13.5px;color:var(--c-muted);
    }
    .hero-meta span{display:inline-flex;align-items:center;gap:6px;}
    .hero-meta span::before{
      content:"";width:6px;height:6px;border-radius:50%;
      background:var(--c-accent);
    }
    /* Hero 右侧聚合动画卡片（无图片） */
    .hero-visual{position:relative;}
    .visual-board{
      position:relative;
      background:linear-gradient(160deg,#ffffff,#f0f5ff);
      border:1px solid #e1e9fb;
      border-radius:24px;
      padding:26px 22px;
      box-shadow:0 24px 60px rgba(16,24,40,.10);
    }
    .visual-board::before{
      content:"";
      position:absolute;inset:-1px;
      border-radius:24px;
      padding:1px;
      background:linear-gradient(135deg,rgba(11,92,255,.45),rgba(255,106,61,.35),transparent 70%);
      -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
      -webkit-mask-composite:xor;
      mask-composite:exclude;
      pointer-events:none;
    }
    .board-title{
      font-size:13px;font-weight:700;letter-spacing:.06em;
      color:var(--c-muted);margin-bottom:16px;
      display:flex;align-items:center;justify-content:space-between;
    }
    .board-title b{color:var(--c-primary);font-weight:700;}
    .model-chips{display:flex;flex-wrap:wrap;gap:8px;}
    .model-chip{
      font-size:12.5px;font-weight:600;
      color:var(--c-ink-soft);
      background:#fff;
      border:1px solid #e4e9f2;
      padding:7px 12px;
      border-radius:10px;
      transition:transform .2s, box-shadow .2s, border-color .2s;
      animation:chipFloat 6s ease-in-out infinite;
    }
    .model-chip:nth-child(2n){animation-delay:.8s;}
    .model-chip:nth-child(3n){animation-delay:1.6s;}
    .model-chip:hover{transform:translateY(-3px);border-color:#bcd0ff;box-shadow:0 8px 18px rgba(11,92,255,.12);}
    @keyframes chipFloat{
      0%,100%{transform:translateY(0);}
      50%{transform:translateY(-4px);}
    }
    .board-foot{
      margin-top:18px;padding-top:16px;border-top:1px dashed #dbe4f5;
      display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--c-muted);
    }
    .board-foot strong{color:var(--c-ink);font-size:15px;display:block;}
    .board-float{
      position:absolute;
      right:-14px;bottom:-18px;
      background:#fff;
      border:1px solid #ffe1d5;
      border-radius:14px;
      padding:10px 16px;
      font-size:12.5px;
      font-weight:700;
      color:#d5431c;
      box-shadow:0 14px 30px rgba(255,106,61,.18);
      animation:chipFloat 5s ease-in-out infinite;
    }
    /* 数据指标 */
    .metrics{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:44px;
    }
    .metric-card{
      background:rgba(255,255,255,.8);
      border:1px solid var(--c-line);
      border-radius:var(--radius);
      padding:22px 20px;
      transition:transform .25s, box-shadow .25s, background .25s;
    }
    .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:#fff;}
    .metric-card .num{
      font-size:28px;font-weight:800;color:var(--c-primary);
      letter-spacing:-.02em;line-height:1.2;margin-bottom:4px;
    }
    .metric-card .lbl{font-size:13.5px;color:var(--c-muted);}
    /* 通用卡片 */
    .card{
      background:#fff;
      border:1px solid var(--c-line);
      border-radius:var(--radius);
      padding:26px 24px;
      transition:transform .28s ease, box-shadow .28s ease, border-color .28s;
    }
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#c9d8ff;}
    .card h3{font-size:18px;margin-bottom:10px;letter-spacing:-.01em;}
    .card p{font-size:14px;color:var(--c-muted);}
    /* 关于我们 */
    .about-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:32px;
      align-items:start;
    }
    .about-copy p{font-size:15px;color:var(--c-ink-soft);margin-bottom:14px;}
    .about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px;}
    .point-item{
      background:#fff;border:1px solid var(--c-line);
      border-radius:12px;padding:16px 16px;
      transition:transform .25s, box-shadow .25s;
    }
    .point-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
    .point-item b{display:block;font-size:14.5px;margin-bottom:4px;color:var(--c-primary-deep);}
    .point-item span{font-size:13px;color:var(--c-muted);}
    .about-media{display:grid;gap:16px;}
    .media-frame{
      border-radius:18px;overflow:hidden;border:1px solid var(--c-line);
      background:#fff;box-shadow:var(--shadow);
    }
    .media-frame img{width:100%;height:auto;}
    .media-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
    .media-note{
      font-size:13px;color:var(--c-muted);
      background:#fff;border:1px dashed #cfdbf3;border-radius:12px;
      padding:12px 16px;
    }
    /* 服务能力 */
    .service-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .service-card{position:relative;overflow:hidden;}
    .service-card .idx{
      display:inline-block;font-size:12px;font-weight:800;
      color:var(--c-primary);background:var(--c-soft-blue);
      border-radius:8px;padding:3px 9px;margin-bottom:12px;
    }
    .service-card h3{font-size:17px;}
    .service-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
    .service-tags span{
      font-size:12px;color:var(--c-ink-soft);
      background:#f5f8ff;border:1px solid #eaf0fb;
      padding:4px 10px;border-radius:999px;
    }
    /* 一站式制作 */
    .flow-band{
      background:linear-gradient(135deg,#0b2a6b,#0b5cff 60%,#2f7cff);
      color:#fff;
      border-radius:24px;
      padding:46px 36px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:36px;
      align-items:center;
      box-shadow:0 24px 60px rgba(11,92,255,.28);
    }
    .flow-band h2{font-size:clamp(22px,3vw,30px);line-height:1.3;margin-bottom:12px;color:#fff;}
    .flow-band p{font-size:14.5px;color:rgba(255,255,255,.82);margin-bottom:20px;}
    .flow-steps{display:grid;gap:12px;}
    .flow-step{
      display:flex;gap:14px;align-items:flex-start;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);
      border-radius:14px;
      padding:14px 16px;
      transition:background .25s, transform .25s;
    }
    .flow-step:hover{background:rgba(255,255,255,.18);transform:translateX(4px);}
    .flow-step .n{
      width:26px;height:26px;flex-shrink:0;border-radius:8px;
      background:#fff;color:var(--c-primary);font-weight:800;font-size:13px;
      display:flex;align-items:center;justify-content:center;
    }
    .flow-step b{font-size:14.5px;display:block;color:#fff;}
    .flow-step span{font-size:12.5px;color:rgba(255,255,255,.72);}
    .flow-cta .btn{width:100%;margin-bottom:12px;}
    /* 行业方案 */
    .industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
    .industry-card{
      background:#fff;border:1px solid var(--c-line);border-radius:14px;
      padding:20px 18px;transition:transform .25s, box-shadow .25s;
    }
    .industry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c9d8ff;}
    .industry-card b{font-size:15px;display:block;margin-bottom:6px;}
    .industry-card span{font-size:13px;color:var(--c-muted);}
    /* 服务网络 */
    .network-wrap{
      background:#fff;border:1px solid var(--c-line);border-radius:20px;
      padding:32px 30px;box-shadow:var(--shadow);
    }
    .network-top{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;margin-bottom:22px;}
    .network-top h3{font-size:18px;}
    .network-top p{font-size:13.5px;color:var(--c-muted);}
    .network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
    .network-item{
      background:linear-gradient(160deg,#f7faff,#eef4ff);
      border:1px solid #e4ecfd;border-radius:12px;padding:16px;
      font-size:13.5px;color:var(--c-ink-soft);
      transition:transform .25s, box-shadow .25s;
    }
    .network-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
    .network-item b{display:block;color:var(--c-ink);margin-bottom:4px;font-size:14px;}
    /* 标准流程 */
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
    .process-step{
      background:#fff;border:1px solid var(--c-line);border-radius:16px;
      padding:24px 20px;position:relative;transition:transform .25s, box-shadow .25s;
    }
    .process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
    .process-step .s-num{
      font-size:13px;font-weight:800;color:#fff;
      background:linear-gradient(135deg,var(--c-primary),#4c86ff);
      width:30px;height:30px;border-radius:9px;
      display:flex;align-items:center;justify-content:center;margin-bottom:14px;
    }
    .process-step h3{font-size:15.5px;margin-bottom:6px;}
    .process-step p{font-size:13px;color:var(--c-muted);}
    /* 案例中心 */
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start;}
    .case-main{
      background:#fff;border:1px solid var(--c-line);border-radius:20px;
      overflow:hidden;box-shadow:var(--shadow);
    }
    .case-main img{width:100%;height:auto;object-fit:cover;}
    .case-main .case-body{padding:22px 24px;}
    .case-main h3{font-size:19px;margin-bottom:8px;}
    .case-main p{font-size:14px;color:var(--c-muted);}
    .case-side{display:grid;gap:16px;}
    .case-side-item{
      background:#fff;border:1px solid var(--c-line);border-radius:16px;
      padding:18px 20px;transition:transform .25s, box-shadow .25s;
    }
    .case-side-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
    .case-side-item b{font-size:14.5px;display:block;margin-bottom:4px;}
    .case-side-item span{font-size:13px;color:var(--c-muted);}
    /* 对比评测 */
    .review-hero{
      background:linear-gradient(135deg,#fff8f4,#ffffff 55%,#f2f7ff);
      border:1px solid #ffe4d8;border-radius:22px;
      padding:30px 32px;display:flex;flex-wrap:wrap;gap:24px;
      align-items:center;justify-content:space-between;margin-bottom:26px;
      box-shadow:0 20px 44px rgba(255,106,61,.10);
    }
    .review-score{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
    .review-score .big{
      font-size:46px;font-weight:800;color:var(--c-accent);
      line-height:1;letter-spacing:-.03em;
    }
    .review-score .small{font-size:13px;color:var(--c-muted);}
    .stars{color:#ff9f1a;font-size:20px;letter-spacing:3px;line-height:1;}
    .review-badge{
      font-size:13px;font-weight:700;color:#c2410c;
      background:#fff1e9;border:1px solid #ffd8c5;
      border-radius:999px;padding:8px 16px;
    }
    .table-wrap{
      width:100%;overflow-x:auto;
      border:1px solid var(--c-line);border-radius:16px;background:#fff;
    }
    table.compare{width:100%;border-collapse:collapse;min-width:640px;font-size:14px;}
    table.compare th,table.compare td{
      padding:14px 18px;text-align:left;border-bottom:1px solid #eef1f7;
      vertical-align:top;
    }
    table.compare thead th{
      background:linear-gradient(180deg,#f7faff,#eef4ff);
      font-size:13.5px;color:var(--c-ink);font-weight:700;white-space:nowrap;
    }
    table.compare tbody tr:last-child td{border-bottom:none;}
    table.compare tbody tr:hover{background:#f9fbff;}
    table.compare td:first-child{font-weight:600;color:var(--c-ink);}
    table.compare td.highlight{color:var(--c-primary-deep);font-weight:600;background:#f5f9ff;}
    /* Token 比价 */
    .token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
    .token-card{
      background:#fff;border:1px solid var(--c-line);border-radius:16px;
      padding:24px 22px;transition:transform .25s, box-shadow .25s, border-color .25s;
      position:relative;overflow:hidden;
    }
    .token-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#c9d8ff;}
    .token-card .model{font-size:14px;font-weight:700;color:var(--c-primary-deep);margin-bottom:6px;}
    .token-card .price{font-size:26px;font-weight:800;letter-spacing:-.02em;margin-bottom:4px;}
    .token-card .price small{font-size:12px;font-weight:500;color:var(--c-muted);margin-left:4px;}
    .token-card .desc{font-size:12.5px;color:var(--c-muted);}
    .token-card .flag{
      position:absolute;top:14px;right:14px;font-size:11px;font-weight:700;
      color:#c2410c;background:#fff1e9;border:1px solid #ffd8c5;border-radius:999px;padding:3px 9px;
    }
    /* 客户评价 */
    .comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
    .comment-card{
      background:#fff;border:1px solid var(--c-line);border-radius:16px;
      padding:22px 22px;display:flex;flex-direction:column;gap:14px;
      transition:transform .25s, box-shadow .25s;
    }
    .comment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
    .comment-head{display:flex;align-items:center;gap:12px;}
    .avatar{
      width:40px;height:40px;border-radius:50%;
      background:linear-gradient(135deg,#dbe7ff,#b9d0ff);
      color:var(--c-primary-deep);font-weight:800;font-size:15px;
      display:flex;align-items:center;justify-content:center;flex-shrink:0;
    }
    .comment-head b{font-size:14px;display:block;}
    .comment-head span{font-size:12px;color:var(--c-muted);}
    .comment-body{font-size:13.8px;color:var(--c-ink-soft);line-height:1.7;}
    .comment-stars{color:#ff9f1a;font-size:13px;letter-spacing:2px;}
    /* 需求表单 */
    .form-wrap{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;
      background:#fff;border:1px solid var(--c-line);border-radius:22px;
      padding:36px 34px;box-shadow:var(--shadow);
    }
    .form-info h2{font-size:24px;margin-bottom:12px;}
    .form-info p{font-size:14px;color:var(--c-muted);margin-bottom:18px;}
    .form-contact-list{display:grid;gap:10px;font-size:13.5px;color:var(--c-ink-soft);}
    .form-contact-list span{display:flex;gap:8px;}
    .form-contact-list b{color:var(--c-ink);min-width:64px;font-weight:600;}
    form.demand-form{display:grid;gap:14px;}
    .field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
    .field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-soft);margin-bottom:6px;}
    .field input,.field select,.field textarea{
      width:100%;padding:11px 14px;border:1px solid var(--c-line);
      border-radius:10px;font-size:14px;font-family:inherit;color:var(--c-ink);
      background:#fbfcff;transition:border-color .2s, box-shadow .2s;
    }
    .field input:focus,.field select:focus,.field textarea:focus{
      outline:none;border-color:var(--c-primary);
      box-shadow:0 0 0 3px rgba(11,92,255,.12);background:#fff;
    }
    .field textarea{min-height:100px;resize:vertical;}
    .form-note{font-size:12px;color:var(--c-muted);}
    /* FAQ */
    .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
    .faq-item{
      background:#fff;border:1px solid var(--c-line);border-radius:14px;
      overflow:hidden;transition:border-color .2s, box-shadow .2s;
    }
    .faq-item.open{border-color:#bcd0ff;box-shadow:var(--shadow);}
    .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(--c-ink);text-align:left;font-family:inherit;
    }
    .faq-q .icon{
      width:24px;height:24px;flex-shrink:0;border-radius:50%;
      background:var(--c-soft-blue);color:var(--c-primary);
      display:flex;align-items:center;justify-content:center;font-size:16px;
      transition:transform .3s;
    }
    .faq-item.open .faq-q .icon{transform:rotate(45deg);}
    .faq-a{
      max-height:0;overflow:hidden;transition:max-height .3s ease;
      padding:0 22px;font-size:14px;color:var(--c-muted);
    }
    .faq-item.open .faq-a{padding-bottom:20px;}
    /* AI百科 / 文章 */
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
    .article-card{
      background:#fff;border:1px solid var(--c-line);border-radius:16px;
      padding:24px 22px;transition:transform .25s, box-shadow .25s;
      display:flex;flex-direction:column;gap:10px;
    }
    .article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
    .article-card .tag{
      font-size:11.5px;font-weight:700;color:var(--c-primary);
      background:var(--c-soft-blue);border-radius:999px;padding:3px 10px;align-self:flex-start;
    }
    .article-card h3{font-size:16px;line-height:1.45;}
    .article-card p{font-size:13px;color:var(--c-muted);flex:1;}
    .article-card a{font-size:13px;font-weight:600;color:var(--c-primary);}
    .article-card a:hover{text-decoration:underline;}
    /* 标签云 */
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px;}
    .tag-cloud span{
      font-size:12.5px;color:var(--c-ink-soft);
      background:#fff;border:1px solid var(--c-line);
      padding:6px 14px;border-radius:999px;
      transition:transform .2s, border-color .2s, color .2s;
    }
    .tag-cloud span:hover{transform:translateY(-2px);border-color:#bcd0ff;color:var(--c-primary);}
    /* 联系我们 & 加盟代理 */
    .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
    .contact-card{
      background:#fff;border:1px solid var(--c-line);border-radius:18px;
      padding:28px 26px;box-shadow:var(--shadow);
    }
    .contact-card h3{font-size:19px;margin-bottom:14px;}
    .contact-rows{display:grid;gap:12px;font-size:14px;color:var(--c-ink-soft);}
    .contact-rows div{display:flex;gap:10px;flex-wrap:wrap;}
    .contact-rows b{min-width:78px;color:var(--c-ink);font-weight:600;}
    .contact-rows a{color:var(--c-primary);font-weight:600;}
    .contact-rows a:hover{text-decoration:underline;}
    .qr-box{
      margin-top:18px;display:flex;align-items:center;gap:16px;
      background:#f8faff;border:1px dashed #cfdbf3;border-radius:14px;padding:16px;
    }
    .qr-box img{width:96px;height:96px;border-radius:10px;border:1px solid var(--c-line);background:#fff;object-fit:cover;}
    .qr-box span{font-size:13px;color:var(--c-muted);}
    .join-card{
      background:linear-gradient(150deg,#0b2a6b,#0b5cff 65%,#2f7cff);
      color:#fff;border-radius:18px;padding:30px 28px;
      box-shadow:0 22px 50px rgba(11,92,255,.25);
    }
    .join-card h3{font-size:20px;margin-bottom:10px;color:#fff;}
    .join-card p{font-size:14px;color:rgba(255,255,255,.82);margin-bottom:18px;}
    .join-points{display:grid;gap:10px;margin-bottom:22px;}
    .join-points div{
      font-size:13.5px;color:#fff;
      background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
      border-radius:10px;padding:12px 14px;
    }
    .join-card .btn{width:100%;justify-content:center;}
    /* 文章列表 & 友情链接 */
    .bottom-links{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;
    }
    .latest-articles{
      background:#fff;border:1px solid var(--c-line);border-radius:18px;
      padding:24px 24px;
    }
    .latest-articles h3{font-size:17px;margin-bottom:14px;}
    .article-lines{display:grid;gap:10px;}
    .article-lines a{
      font-size:13.5px;color:var(--c-ink-soft);padding:10px 12px;
      border:1px solid #eef1f7;border-radius:10px;background:#fbfcff;
      transition:background .2s, border-color .2s, transform .2s;
      display:block;
    }
    .article-lines a:hover{background:#f4f8ff;border-color:#c9d8ff;transform:translateX(3px);}
    .friend-links{
      background:#fff;border:1px solid var(--c-line);border-radius:18px;
      padding:24px 24px;
    }
    .friend-links h3{font-size:17px;margin-bottom:14px;}
    .friend-grid{display:flex;flex-wrap:wrap;gap:8px;}
    .friend-grid a{
      font-size:12.5px;color:var(--c-ink-soft);
      background:#f7faff;border:1px solid #e4e9f2;
      padding:7px 12px;border-radius:8px;
      transition:background .2s, border-color .2s, color .2s;
    }
    .friend-grid a:hover{background:var(--c-soft-blue);border-color:#bcd0ff;color:var(--c-primary);}
    /* Footer */
    .site-footer{
      margin-top:48px;
      background:#0e1a33;
      color:#c8d4ea;
      padding:44px 0 26px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.4fr 1fr 1fr;
      gap:32px;margin-bottom:30px;
    }
    .footer-brand{
      display:flex;align-items:center;gap:10px;margin-bottom:14px;
    }
    .footer-brand .logo-box{width:32px;height:32px;display:flex;align-items:center;justify-content:center;}
    .footer-brand b{color:#fff;font-size:16px;}
    .footer-desc{font-size:13px;color:#9fb0cf;line-height:1.75;max-width:340px;}
    .footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:700;}
    .footer-col ul{display:grid;gap:10px;}
    .footer-col a{font-size:13px;color:#b4c2dc;transition:color .2s;}
    .footer-col a:hover{color:#fff;}
    .footer-contact{font-size:13px;color:#b4c2dc;display:grid;gap:8px;}
    .footer-contact b{color:#e2e9f6;}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.10);
      padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;
      justify-content:space-between;align-items:center;
      font-size:12.5px;color:#8ea1c2;
    }
    .footer-bottom a{color:#a9bbd8;}
    .footer-bottom a:hover{color:#fff;}
    /* 浮动客服 & 返回顶部 */
    .float-tools{
      position:fixed;right:18px;bottom:24px;z-index:60;
      display:flex;flex-direction:column;gap:10px;
    }
    .float-btn{
      width:48px;height:48px;border-radius:14px;
      background:#fff;border:1px solid var(--c-line);
      display:flex;align-items:center;justify-content:center;
      color:var(--c-primary);font-size:12px;font-weight:700;
      box-shadow:0 12px 26px rgba(16,24,40,.14);
      cursor:pointer;transition:transform .25s, box-shadow .25s;
      position:relative;
    }
    .float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(16,24,40,.2);}
    .float-btn .qr-pop{
      display:none;position:absolute;right:58px;bottom:0;
      background:#fff;border:1px solid var(--c-line);border-radius:12px;
      padding:10px;box-shadow:var(--shadow);width:130px;
    }
    .float-btn .qr-pop img{width:100%;border-radius:8px;}
    .float-btn:hover .qr-pop{display:block;}
    /* 滚动渐入 */
    .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);}
    .reveal.visible{opacity:1;transform:none;}
    /* 响应式 */
    @media (max-width:1024px){
      .nav-links{display:none;}
      .menu-toggle{display:flex;}
      .hero-grid{grid-template-columns:1fr;gap:36px;}
      .hero-visual{max-width:620px;}
      .metrics{grid-template-columns:repeat(2,1fr);}
      .about-grid,.flow-band,.case-grid,.form-wrap,.contact-grid,.bottom-links{grid-template-columns:1fr;}
      .service-grid,.article-grid,.comment-grid{grid-template-columns:repeat(2,1fr);}
      .industry-grid,.network-grid,.process-grid{grid-template-columns:repeat(2,1fr);}
      .token-grid{grid-template-columns:repeat(2,1fr);}
      .footer-grid{grid-template-columns:1fr 1fr;}
    }
    @media (max-width:640px){
      .section-pad{padding:52px 0;}
      .nav-actions .btn-ghost{display:none;}
      .hero{padding:44px 0 40px;}
      .hero-actions .btn{width:100%;}
      .metrics{grid-template-columns:1fr 1fr;gap:12px;}
      .metric-card{padding:18px 16px;}
      .service-grid,.article-grid,.comment-grid,.industry-grid,.network-grid,.process-grid,.token-grid{grid-template-columns:1fr;}
      .about-points{grid-template-columns:1fr;}
      .flow-band{padding:30px 22px;}
      .form-wrap{padding:26px 20px;}
      .field-row{grid-template-columns:1fr;}
      .review-hero{padding:22px 20px;}
      .footer-grid{grid-template-columns:1fr;}
      .contact-card,.join-card{padding:24px 20px;}
      .media-row{grid-template-columns:1fr;}
      .float-tools{right:12px;bottom:16px;}
      .float-btn{width:44px;height:44px;}
    }
    @media (prefers-reduced-motion:reduce){
      *{animation:none!important;transition:none!important;}
      .reveal{opacity:1;transform:none;}
    }