*,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background-color:#060a18;
    background-image:radial-gradient(1200px 640px at 50% -240px,rgba(64,96,224,.20),transparent 70%);
    color:#e7eefc;
    font-size:16px;
    line-height:1.75;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  button{font-family:inherit}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px}

  /* ===== 顶部导航 ===== */
  .site-header{
    position:sticky;top:0;z-index:200;
    background:rgba(6,10,24,.82);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(120,200,255,.14);
  }
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px;position:relative}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .ai-page-logo{width:auto;max-height:36px;display:block;max-width:100%;height:auto}
  .brand-name{font-size:17px;font-weight:800;letter-spacing:.06em;background:linear-gradient(110deg,#7ef0ff,#b39dff 60%,#ff9ad5);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
  .nav{display:flex}
  .nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
  .nav-links a{
    display:block;padding:9px 12px;font-size:14.5px;color:#b9c6e2;border-radius:9px;
    transition:color .25s,background .25s,text-shadow .25s;white-space:nowrap;
  }
  .nav-links a:hover{color:#ffffff;background:rgba(34,225,255,.10);text-shadow:0 0 14px rgba(34,225,255,.65)}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(120,200,255,.28);
    background:rgba(255,255,255,.04);cursor:pointer;padding:0;position:relative;
  }
  .nav-toggle span{
    position:absolute;left:11px;right:11px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,#3ee7ff,#a98cff);transition:.3s;
  }
  .nav-toggle span:nth-child(1){top:14px}
  .nav-toggle span:nth-child(2){top:20px}
  .nav-toggle span:nth-child(3){top:26px}
  .nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  /* ===== 通用按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 30px;border-radius:999px;font-size:15.5px;font-weight:700;
    border:1px solid transparent;cursor:pointer;transition:transform .28s,box-shadow .28s,background .28s,border-color .28s,color .28s;
    text-align:center;line-height:1.2;
  }
  .btn:active{transform:scale(.97)}
  .btn-primary{
    background:linear-gradient(120deg,#22e1ff,#7c5cff 55%,#ff3ea5);
    color:#ffffff;text-shadow:0 1px 3px rgba(0,0,0,.28);
    box-shadow:0 12px 32px rgba(76,110,255,.38);
  }
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(34,225,255,.46)}
  .btn-ghost{
    background:rgba(255,255,255,.05);color:#d9e6ff;border-color:rgba(120,200,255,.32);
  }
  .btn-ghost:hover{transform:translateY(-3px);background:rgba(34,225,255,.12);border-color:rgba(34,225,255,.6);color:#fff}
  .btn-line{
    background:transparent;color:#8fe9ff;border-color:rgba(34,225,255,.45);
  }
  .btn-line:hover{transform:translateY(-3px);background:rgba(34,225,255,.10);color:#fff}

  /* ===== 首屏 Hero（无图片） ===== */
  .hero{position:relative;padding:96px 0 86px;overflow:hidden;border-bottom:1px solid rgba(120,200,255,.10)}
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      radial-gradient(760px 420px at 12% 6%,rgba(34,225,255,.24),transparent 62%),
      radial-gradient(720px 430px at 88% 14%,rgba(139,92,246,.26),transparent 62%),
      radial-gradient(660px 400px at 50% 112%,rgba(255,62,165,.18),transparent 66%);
  }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(120,200,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.055) 1px,transparent 1px);
    background-size:58px 58px;
    -webkit-mask-image:radial-gradient(circle at 50% 38%,#000 10%,transparent 78%);
    mask-image:radial-gradient(circle at 50% 38%,#000 10%,transparent 78%);
  }
  .hero-inner{position:relative;z-index:2;max-width:960px;margin:0 auto;text-align:center}
  .hero-badge{
    display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:center;
    padding:8px 20px;border-radius:999px;font-size:13.5px;letter-spacing:.05em;color:#8fe9ff;
    border:1px solid rgba(34,225,255,.36);background:rgba(34,225,255,.08);
    box-shadow:0 0 26px rgba(34,225,255,.18) inset;
  }
  .hero h1{
    margin:26px 0 0;font-size:clamp(30px,5vw,56px);letter-spacing:.01em;line-height:1.24;
    background:linear-gradient(100deg,#ffffff 6%,#8ff3ff 38%,#b79bff 66%,#ff9bd6 94%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    text-shadow:0 0 60px rgba(80,180,255,.22);
  }
  .hero-sub{
    margin:22px auto 0;max-width:760px;color:#9fb0d4;font-size:clamp(15px,1.6vw,17.5px);line-height:1.85;
  }
  .hero-actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
  .hero-meta{
    margin-top:34px;display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:center;
    font-size:13.8px;color:#8fa2c8;
  }
  .hero-meta span{display:inline-flex;align-items:center;gap:8px}
  .hero-meta span::before{
    content:"";width:7px;height:7px;border-radius:50%;
    background:linear-gradient(120deg,#3ee7ff,#a98cff);box-shadow:0 0 10px rgba(62,231,255,.85);
  }

  /* ===== 数据指标 ===== */
  .stats-band{
    padding:38px 0;border-bottom:1px solid rgba(120,200,255,.10);
    background:linear-gradient(180deg,rgba(10,18,40,.92),rgba(6,10,24,.35));
  }
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .stat{
    text-align:center;padding:24px 14px;border-radius:16px;
    background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
    border:1px solid rgba(122,170,255,.16);
    transition:transform .3s,border-color .3s,box-shadow .3s;
  }
  .stat:hover{transform:translateY(-5px);border-color:rgba(34,225,255,.42);box-shadow:0 16px 36px rgba(20,80,180,.3)}
  .stat-num{
    font-size:clamp(25px,3vw,36px);font-weight:800;line-height:1.2;
    background:linear-gradient(120deg,#5ef0ff,#a98cff 58%,#ff8ac9);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-num span{font-size:15px;font-weight:600;color:#8fa2c8;-webkit-text-fill-color:#8fa2c8}
  .stat-label{margin-top:8px;font-size:13.8px;color:#93a2c4}

  /* ===== 章节通用 ===== */
  .section{padding:88px 0;position:relative;scroll-margin-top:88px}
  .section-alt{background:linear-gradient(180deg,rgba(10,18,40,.62),rgba(6,10,24,.10))}
  .section-head{max-width:840px;margin:0 auto 48px;text-align:center}
  .eyebrow{
    display:inline-block;font-size:12.5px;letter-spacing:.2em;color:#6fe6ff;
    padding:6px 16px;border-radius:999px;border:1px solid rgba(34,225,255,.32);
    background:rgba(34,225,255,.07);margin-bottom:18px;
  }
  .section-head h2{
    font-size:clamp(24px,3.3vw,36px);
    background:linear-gradient(100deg,#ffffff 12%,#9df0ff 52%,#c3aaff 88%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .section-head p{margin-top:16px;color:#93a2c4;font-size:15.5px;line-height:1.85}

  /* ===== 卡片 ===== */
  .card{
    position:relative;overflow:hidden;padding:26px 24px;border-radius:18px;
    background:linear-gradient(160deg,rgba(255,255,255,.062),rgba(255,255,255,.018));
    border:1px solid rgba(122,170,255,.16);
    transition:transform .32s,border-color .32s,box-shadow .32s;
  }
  .card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,#22e1ff,#7c5cff,#ff3ea5);opacity:0;transition:opacity .32s;
  }
  .card:hover{transform:translateY(-6px);border-color:rgba(34,225,255,.45);box-shadow:0 20px 46px rgba(20,80,180,.3)}
  .card:hover::before{opacity:1}
  .card-icon{
    width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
    font-size:22px;margin-bottom:16px;
    background:linear-gradient(135deg,rgba(34,225,255,.22),rgba(139,92,246,.22));
    border:1px solid rgba(120,200,255,.26);
  }
  .card h3{font-size:17px;margin-bottom:10px;color:#eef5ff}
  .card p{font-size:14.2px;color:#93a2c4;line-height:1.8}

  /* ===== 关于我们 ===== */
  .about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
  .about-text p{color:#9fb0d4;font-size:15.5px;line-height:1.9;margin-bottom:18px}
  .about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}
  .about-list li{
    padding:16px 18px;border-radius:14px;font-size:14.2px;color:#a9b9d8;
    background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.14);
    transition:transform .3s,border-color .3s;
  }
  .about-list li:hover{transform:translateY(-3px);border-color:rgba(34,225,255,.4)}
  .about-list b{display:block;color:#8fe9ff;font-size:14.6px;margin-bottom:4px}
  .about-visual{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(122,170,255,.2);box-shadow:0 24px 60px rgba(10,40,120,.42)}
  .about-visual::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg,rgba(6,10,24,0) 40%,rgba(6,10,24,.55));
  }
  .about-visual img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
  .about-visual:hover img{transform:scale(1.04)}

  /* ===== 服务网格 ===== */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:20px}

  /* ===== 标签云 ===== */
  .tag-block{margin-top:44px;text-align:center}
  .tag-block h3{font-size:17px;margin-bottom:20px;color:#cfe0ff}
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
  .tag-cloud span{
    padding:7px 16px;border-radius:999px;font-size:13.5px;color:#a9b9d8;
    background:rgba(255,255,255,.04);border:1px solid rgba(122,170,255,.18);
    transition:.28s;cursor:default;
  }
  .tag-cloud span:hover{
    color:#fff;border-color:rgba(34,225,255,.6);background:rgba(34,225,255,.13);
    box-shadow:0 0 18px rgba(34,225,255,.32);transform:translateY(-2px);
  }

  /* ===== 一站式制作 ===== */
  .one-stop{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
  .step-list{display:grid;gap:16px}
  .step-item{
    display:flex;gap:16px;padding:18px 20px;border-radius:16px;
    background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.14);
    transition:transform .3s,border-color .3s,background .3s;
  }
  .step-item:hover{transform:translateX(6px);border-color:rgba(34,225,255,.42);background:rgba(34,225,255,.06)}
  .step-no{
    flex:0 0 38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:15px;color:#04101f;
    background:linear-gradient(135deg,#3ee7ff,#a98cff);box-shadow:0 8px 20px rgba(62,231,255,.3);
  }
  .step-item h4{font-size:15.6px;color:#eef5ff;margin-bottom:5px}
  .step-item p{font-size:13.8px;color:#93a2c4;line-height:1.7}
  .one-stop-visual{border-radius:22px;overflow:hidden;border:1px solid rgba(122,170,255,.2);box-shadow:0 24px 60px rgba(10,40,120,.42)}
  .one-stop-visual img{width:100%;height:auto;object-fit:cover;transition:transform .6s}
  .one-stop-visual:hover img{transform:scale(1.035)}

  /* ===== 服务网络 ===== */
  .net-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
  .net-item{
    padding:20px 18px;border-radius:14px;text-align:center;font-size:14.6px;color:#a9b9d8;
    background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
    border:1px solid rgba(122,170,255,.15);transition:.3s;
  }
  .net-item:hover{transform:translateY(-4px);color:#fff;border-color:rgba(34,225,255,.45);box-shadow:0 14px 32px rgba(20,80,180,.28)}
  .net-item strong{display:block;font-size:16px;color:#8fe9ff;margin-bottom:6px}

  /* ===== 时间线 ===== */
  .timeline{position:relative;padding-left:34px;max-width:880px;margin:0 auto}
  .timeline::before{
    content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
    background:linear-gradient(180deg,#22e1ff,#7c5cff,#ff3ea5);opacity:.55;border-radius:2px;
  }
  .tl-item{position:relative;margin-bottom:26px;padding:20px 22px;border-radius:16px;
    background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.14);transition:.3s}
  .tl-item:hover{transform:translateX(6px);border-color:rgba(34,225,255,.42)}
  .tl-item::before{
    content:"";position:absolute;left:-30px;top:26px;width:12px;height:12px;border-radius:50%;
    background:linear-gradient(135deg,#3ee7ff,#a98cff);box-shadow:0 0 14px rgba(62,231,255,.9);
  }
  .tl-item h4{font-size:15.8px;color:#eef5ff;margin-bottom:6px}
  .tl-item p{font-size:13.9px;color:#93a2c4;line-height:1.75}

  /* ===== 案例 ===== */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .case-card{
    border-radius:20px;overflow:hidden;border:1px solid rgba(122,170,255,.18);
    background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
    transition:transform .34s,border-color .34s,box-shadow .34s;
  }
  .case-card:hover{transform:translateY(-7px);border-color:rgba(34,225,255,.45);box-shadow:0 22px 50px rgba(20,80,180,.34)}
  .case-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0b1226}
  .case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
  .case-card:hover .case-thumb img{transform:scale(1.06)}
  .case-body{padding:22px}
  .case-body h3{font-size:16.6px;margin-bottom:9px;color:#eef5ff}
  .case-body p{font-size:13.9px;color:#93a2c4;line-height:1.78}
  .case-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
  .case-tags span{font-size:12.2px;padding:4px 11px;border-radius:999px;color:#8fe9ff;background:rgba(34,225,255,.1);border:1px solid rgba(34,225,255,.24)}

  /* ===== 对比评测 ===== */
  .score-wrap{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:start;margin-bottom:34px}
  .score-card{
    padding:32px 26px;border-radius:20px;text-align:center;
    background:linear-gradient(160deg,rgba(34,225,255,.14),rgba(139,92,246,.14),rgba(255,62,165,.10));
    border:1px solid rgba(34,225,255,.35);box-shadow:0 22px 52px rgba(20,80,180,.32);
  }
  .score-stars{font-size:24px;letter-spacing:5px;color:#ffd86b;text-shadow:0 0 18px rgba(255,196,60,.6);line-height:1}
  .score-num{margin-top:16px;font-size:52px;font-weight:800;line-height:1;
    background:linear-gradient(120deg,#5ef0ff,#a98cff 60%,#ff8ac9);-webkit-background-clip:text;background-clip:text;color:transparent}
  .score-num span{font-size:19px;font-weight:600;color:#9fb0d4;-webkit-text-fill-color:#9fb0d4}
  .score-cap{margin-top:12px;font-size:14px;color:#cfe0ff;font-weight:600;letter-spacing:.06em}
  .score-tip{margin-top:8px;font-size:12.8px;color:#93a2c4}
  .score-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
  .score-points li{
    padding:16px 18px;border-radius:14px;font-size:14px;color:#a9b9d8;line-height:1.7;
    background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.14);transition:.3s;
  }
  .score-points li:hover{transform:translateY(-3px);border-color:rgba(34,225,255,.42);color:#e2ecff}
  .score-points b{color:#8fe9ff}

  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:18px;border:1px solid rgba(122,170,255,.18);background:rgba(255,255,255,.025)}
  table.cmp-table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.2px}
  table.cmp-table th,table.cmp-table td{padding:15px 18px;text-align:left;border-bottom:1px solid rgba(122,170,255,.12);vertical-align:top}
  table.cmp-table thead th{background:rgba(20,32,64,.9);color:#cfe0ff;font-size:14.2px;font-weight:700;white-space:nowrap}
  table.cmp-table thead th.hl{background:linear-gradient(120deg,rgba(34,225,255,.24),rgba(139,92,246,.26));color:#ffffff}
  table.cmp-table tbody tr{transition:background .25s}
  table.cmp-table tbody tr:hover{background:rgba(34,225,255,.055)}
  table.cmp-table tbody td:first-child{color:#cfe0ff;font-weight:600;white-space:nowrap}
  table.cmp-table td.hl{color:#8fe9ff;font-weight:600;background:rgba(34,225,255,.06)}
  table.cmp-table tbody tr:last-child td{border-bottom:none}

  /* ===== 评论 ===== */
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .review{
    margin:0;padding:26px 24px;border-radius:18px;
    background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
    border:1px solid rgba(122,170,255,.16);transition:transform .32s,border-color .32s,box-shadow .32s;
  }
  .review:hover{transform:translateY(-6px);border-color:rgba(34,225,255,.42);box-shadow:0 20px 44px rgba(20,80,180,.3)}
  .review-stars{color:#ffd86b;font-size:14px;letter-spacing:3px;margin-bottom:14px}
  .review blockquote{margin:0;font-size:14.4px;color:#a9b9d8;line-height:1.85}
  .review figcaption{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(122,170,255,.14)}
  .avatar{
    width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:800;color:#04101f;flex:0 0 42px;
    background:linear-gradient(135deg,#3ee7ff,#a98cff);
  }
  .review figcaption strong{display:block;font-size:14.4px;color:#eef5ff}
  .review figcaption span{display:block;font-size:12.6px;color:#8296bb}

  /* ===== Token 比价 ===== */
  .price-note{margin-top:18px;font-size:13.2px;color:#7f92b8;text-align:center;line-height:1.8}

  /* ===== 表单 ===== */
  .form-wrap{
    display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start;
    padding:36px;border-radius:24px;
    background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
    border:1px solid rgba(122,170,255,.2);box-shadow:0 26px 60px rgba(10,40,120,.3);
  }
  .form-intro h3{font-size:22px;margin-bottom:14px;color:#eef5ff}
  .form-intro p{font-size:14.4px;color:#93a2c4;line-height:1.85;margin-bottom:18px}
  .form-intro ul li{font-size:14px;color:#a9b9d8;padding-left:22px;position:relative;margin-bottom:10px;line-height:1.7}
  .form-intro ul li::before{
    content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
    background:linear-gradient(135deg,#3ee7ff,#a98cff);box-shadow:0 0 10px rgba(62,231,255,.8);
  }
  .field{margin-bottom:18px}
  .form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
  .field label{display:block;font-size:13.6px;color:#b9c6e2;margin-bottom:8px;font-weight:600}
  .field input,.field select,.field textarea{
    width:100%;padding:13px 15px;border-radius:12px;font-size:14.5px;font-family:inherit;
    color:#e7eefc;background:rgba(8,14,32,.75);border:1px solid rgba(122,170,255,.24);
    transition:border-color .25s,box-shadow .25s,background .25s;outline:none;
  }
  .field input::placeholder,.field textarea::placeholder{color:#5f7096}
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:rgba(34,225,255,.68);box-shadow:0 0 0 3px rgba(34,225,255,.14);background:rgba(10,18,40,.9);
  }
  .field textarea{resize:vertical;min-height:120px;line-height:1.7}
  .field select{appearance:none;-webkit-appearance:none;
    background-image:linear-gradient(45deg,transparent 50%,#8fe9ff 50%),linear-gradient(135deg,#8fe9ff 50%,transparent 50%);
    background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
    background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px;
  }
  .form-note{margin-top:14px;font-size:12.6px;color:#7f92b8;line-height:1.75}
  .form-note a{color:#8fe9ff}

  /* ===== FAQ ===== */
  .faq-list{max-width:920px;margin:0 auto;display:grid;gap:14px}
  .faq-item{
    border-radius:14px;overflow:hidden;
    background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.16);transition:border-color .3s,background .3s;
  }
  .faq-item.open{border-color:rgba(34,225,255,.48);background:rgba(34,225,255,.055)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
    font-size:15.4px;font-weight:600;color:#e2ecff;line-height:1.6;transition:color .25s;
  }
  .faq-q:hover{color:#8fe9ff}
  .faq-ico{
    flex:0 0 26px;width:26px;height:26px;border-radius:8px;position:relative;
    background:rgba(34,225,255,.14);border:1px solid rgba(34,225,255,.3);transition:transform .3s,background .3s;
  }
  .faq-ico::before,.faq-ico::after{
    content:"";position:absolute;top:50%;left:50%;background:#8fe9ff;border-radius:2px;transform:translate(-50%,-50%);
  }
  .faq-ico::before{width:11px;height:2px}
  .faq-ico::after{width:2px;height:11px;transition:opacity .3s}
  .faq-item.open .faq-ico{transform:rotate(180deg);background:rgba(139,92,246,.24)}
  .faq-item.open .faq-ico::after{opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
  .faq-a p{padding:0 22px 20px;font-size:14.3px;color:#9fb0d4;line-height:1.85}

  /* ===== 文章 / 百科 ===== */
  .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .article-item{
    padding:22px 22px;border-radius:16px;display:block;
    background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.15);transition:.3s;
  }
  .article-item:hover{transform:translateY(-5px);border-color:rgba(34,225,255,.45);background:rgba(34,225,255,.06);box-shadow:0 18px 40px rgba(20,80,180,.28)}
  .article-item h4{font-size:15.4px;color:#eef5ff;margin-bottom:9px;line-height:1.55}
  .article-item p{font-size:13.2px;color:#8296bb;line-height:1.7}
  .article-item .more{display:inline-block;margin-top:12px;font-size:12.8px;color:#8fe9ff}
  .ai-page-articles{display:none}

  /* ===== 联系我们 ===== */
  .contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
  .contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .contact-item{
    padding:20px;border-radius:16px;background:rgba(255,255,255,.035);
    border:1px solid rgba(122,170,255,.15);transition:.3s;
  }
  .contact-item:hover{transform:translateY(-4px);border-color:rgba(34,225,255,.42)}
  .contact-item span{display:block;font-size:12.8px;color:#8296bb;margin-bottom:7px}
  .contact-item strong{display:block;font-size:15.4px;color:#8fe9ff;word-break:break-all;line-height:1.6}
  .contact-item a{color:#8fe9ff}
  .qr-card{
    padding:26px;border-radius:20px;text-align:center;
    background:linear-gradient(160deg,rgba(34,225,255,.12),rgba(139,92,246,.12));
    border:1px solid rgba(34,225,255,.3);box-shadow:0 22px 52px rgba(20,80,180,.3);
  }
  .qr-card img{width:100%;max-width:210px;margin:0 auto 16px;border-radius:14px;border:1px solid rgba(255,255,255,.2);background:#fff;padding:8px}
  .qr-card p{font-size:14px;color:#cfe0ff}
  .qr-card small{display:block;margin-top:8px;font-size:12.6px;color:#93a2c4}

  /* ===== 加盟代理 ===== */
  .join-box{
    padding:46px 34px;border-radius:26px;text-align:center;position:relative;overflow:hidden;
    background:linear-gradient(135deg,rgba(34,225,255,.15),rgba(139,92,246,.18) 55%,rgba(255,62,165,.14));
    border:1px solid rgba(34,225,255,.32);box-shadow:0 28px 70px rgba(10,40,120,.4);
  }
  .join-box::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(120,200,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.07) 1px,transparent 1px);
    background-size:44px 44px;
    -webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
    mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
  }
  .join-box h2{position:relative;font-size:clamp(22px,3vw,32px);color:#fff}
  .join-box p{position:relative;margin:18px auto 0;max-width:720px;font-size:15px;color:#c2d2ee;line-height:1.85}
  .join-actions{position:relative;margin-top:30px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

  /* ===== 页脚 ===== */
  .site-footer{
    margin-top:0;padding:64px 0 30px;border-top:1px solid rgba(122,170,255,.14);
    background:linear-gradient(180deg,rgba(8,14,32,.9),rgba(4,7,18,1));
  }
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand span{font-size:16.5px;font-weight:800;color:#eef5ff;letter-spacing:.04em}
  .footer-col p{font-size:13.8px;color:#8296bb;line-height:1.85}
  .footer-col h4{font-size:14.6px;color:#cfe0ff;margin-bottom:16px}
  .footer-links{display:flex;flex-wrap:wrap;gap:10px 18px}
  .footer-links a{font-size:13.6px;color:#8296bb;transition:color .25s,text-shadow .25s}
  .footer-links a:hover{color:#8fe9ff;text-shadow:0 0 12px rgba(34,225,255,.6)}
  .footer-bottom{
    margin-top:44px;padding-top:24px;border-top:1px solid rgba(122,170,255,.12);
    display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
    font-size:13px;color:#6d80a5;
  }

  /* ===== 浮动组件 ===== */
  .back-top{
    position:fixed;right:24px;bottom:104px;z-index:180;width:46px;height:46px;border-radius:14px;
    display:flex;align-items:center;justify-content:center;cursor:pointer;border:1px solid rgba(34,225,255,.36);
    background:rgba(10,18,40,.9);color:#8fe9ff;font-size:18px;
    opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s;
  }
  .back-top.show{opacity:1;visibility:visible;transform:none}
  .back-top:hover{background:rgba(34,225,255,.18);box-shadow:0 0 22px rgba(34,225,255,.42)}

  .fab{position:fixed;right:24px;bottom:30px;z-index:190}
  .fab-btn{
    width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#22e1ff,#7c5cff 60%,#ff3ea5);
    color:#fff;font-size:13px;font-weight:700;line-height:1.15;
    box-shadow:0 14px 34px rgba(76,110,255,.5);transition:transform .3s,box-shadow .3s;
  }
  .fab-btn:hover{transform:translateY(-4px) scale(1.04);box-shadow:0 20px 44px rgba(34,225,255,.55)}
  .fab-panel{
    position:absolute;right:0;bottom:70px;width:238px;padding:20px;border-radius:18px;text-align:center;
    background:rgba(10,18,40,.97);border:1px solid rgba(34,225,255,.36);
    box-shadow:0 24px 60px rgba(0,0,0,.6);
    opacity:0;visibility:hidden;transform:translateY(14px) scale(.96);transition:.3s;transform-origin:bottom right;
  }
  .fab-panel.show{opacity:1;visibility:visible;transform:none}
  .fab-panel img{width:100%;max-width:170px;margin:0 auto 12px;border-radius:10px;background:#fff;padding:6px}
  .fab-panel p{font-size:13.4px;color:#cfe0ff;font-weight:600}
  .fab-panel small{display:block;margin-top:6px;font-size:12px;color:#8296bb;line-height:1.6}

  /* ===== 滚动渐入 ===== */
  .js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
  .js .reveal.in{opacity:1;transform:none}

  /* ===== 响应式 ===== */
  @media (max-width:1080px){
    .nav-links a{padding:9px 9px;font-size:13.8px}
    .about-grid,.one-stop,.contact-grid,.form-wrap{grid-template-columns:1fr;gap:30px}
    .score-wrap{grid-template-columns:1fr}
    .grid-3,.case-grid,.review-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
    .grid-4{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  }
  @media (max-width:980px){
    .nav{
      position:absolute;top:72px;left:0;right:0;display:none;
      background:rgba(8,14,32,.98);border-bottom:1px solid rgba(122,170,255,.18);
      padding:14px 22px 22px;max-height:calc(100vh - 72px);overflow-y:auto;
    }
    .nav.open{display:block}
    .nav-links{flex-direction:column;align-items:stretch;gap:0}
    .nav-links a{padding:13px 14px;font-size:15px;border-radius:10px}
    .nav-toggle{display:block}
    .brand-name{font-size:16px}
  }
  @media (max-width:760px){
    .section{padding:64px 0}
    .hero{padding:70px 0 62px}
    .container{padding:0 16px}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}
    .grid-3,.grid-4,.grid-auto,.case-grid,.review-grid,.article-grid,.net-grid{grid-template-columns:1fr}
    .about-list,.score-points,.contact-list,.form-row{grid-template-columns:1fr}
    .hero-actions .btn{width:100%}
    .hero-meta{font-size:12.8px;gap:10px 18px}
    .form-wrap{padding:24px 18px}
    .footer-grid{grid-template-columns:1fr;gap:24px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .back-top{right:16px;bottom:96px;width:42px;height:42px}
    .fab{right:16px;bottom:24px}
    .fab-btn{width:52px;height:52px;font-size:12px}
    .fab-panel{right:0;width:216px}
    .score-card{padding:26px 18px}
    .join-box{padding:34px 20px}
    .timeline{padding-left:28px}
    .tl-item::before{left:-24px}
  }
  @media (max-width:420px){
    .brand-name{display:none}
    .hero h1{font-size:26px}
  }