:root{
    --ink:#0C1526;
    --ink-2:#41506B;
    --ink-3:#6E7C95;
    --brand:#1652F0;
    --brand-2:#7A3CFF;
    --accent:#00C08B;
    --hot:#FF5B45;
    --bg:#F4F7FE;
    --card:#FFFFFF;
    --line:#E2EAFA;
    --radius:18px;
    --shadow:0 10px 28px rgba(22,82,240,.09);
    --shadow-lg:0 22px 52px rgba(22,82,240,.16);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  [id]{scroll-margin-top:88px;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    color:var(--ink);
    background-color:var(--bg);
    background-image:
      radial-gradient(900px 520px at 6% -8%, rgba(22,82,240,.16), transparent 62%),
      radial-gradient(780px 480px at 98% 2%, rgba(122,60,255,.14), transparent 64%),
      radial-gradient(900px 620px at 50% 106%, rgba(0,192,139,.13), transparent 62%);
    background-repeat:no-repeat;
    background-attachment:fixed;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    font-size:15px;
  }
  img{max-width:100%;}
  a{color:inherit;}
  .container{width:100%;max-width:1180px;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;}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .26s ease,background .2s ease,color .2s ease,border-color .2s ease;line-height:1.4;}
  .btn-primary{background:linear-gradient(120deg,#1652F0,#6B3BFF);color:#fff;box-shadow:0 10px 24px rgba(22,82,240,.30);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(22,82,240,.38);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:#CFDBF3;}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:0 12px 26px rgba(22,82,240,.12);}

  /* ---------- 头部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);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;}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:17px;flex:none;}
  .brand .ai-page-logo{max-height:38px;width:auto;}
  .brand-text{letter-spacing:.3px;white-space:nowrap;}
  .nav{display:flex;align-items:center;gap:16px;}
  .nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
  .nav-links a{display:block;padding:8px 10px;font-size:14px;font-weight:600;color:var(--ink-2);text-decoration:none;border-radius:10px;transition:color .2s ease,background .2s ease;white-space:nowrap;}
  .nav-links a:hover{color:var(--brand);background:rgba(22,82,240,.08);}
  .nav-cta{flex:none;padding:10px 18px;font-size:14px;}
  .nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;padding:0;}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  /* ---------- 通用区块 ---------- */
  .section{padding:72px 0;position:relative;}
  .section-tint{background:linear-gradient(180deg,rgba(255,255,255,.78),rgba(255,255,255,.34));border-top:1px solid rgba(226,234,250,.9);border-bottom:1px solid rgba(226,234,250,.9);}
  .section-head{max-width:780px;margin-bottom:34px;}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;background:rgba(22,82,240,.1);color:#0B41C5;font-size:12.5px;font-weight:800;letter-spacing:.6px;margin-bottom:14px;}
  .section-head h2{font-size:clamp(23px,3.2vw,33px);line-height:1.3;margin:0 0 12px;letter-spacing:-.4px;color:var(--ink);}
  .section-head p{margin:0;color:var(--ink-2);font-size:15.5px;}

  /* ---------- Hero ---------- */
  .hero{padding:58px 0 44px;position:relative;overflow:hidden;}
  .hero::before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(122,60,255,.28),transparent 68%);filter:blur(10px);pointer-events:none;}
  .hero::after{content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-240px;border-radius:50%;background:radial-gradient(circle,rgba(0,192,139,.26),transparent 68%);pointer-events:none;}
  .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;}
  .hero h1{font-size:clamp(27px,4.4vw,45px);line-height:1.24;letter-spacing:-1px;margin:0 0 16px;color:var(--ink);}
  .hero h1 .hl{position:relative;color:#0B41C5;white-space:nowrap;}
  .hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;border-radius:6px;background:linear-gradient(90deg,rgba(22,82,240,.28),rgba(0,192,139,.3));z-index:-1;}
  .hero-sub{margin:0 0 24px;color:var(--ink-2);font-size:16px;max-width:600px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:22px;}
  .hero-actions .btn{padding:14px 28px;font-size:16px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:9px;}
  .hero-tags span{padding:6px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:13px;font-weight:600;box-shadow:0 4px 12px rgba(12,21,38,.04);}
  .hero-panel{display:flex;flex-direction:column;gap:14px;animation:floatY 7s ease-in-out infinite;}
  @keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
  .panel-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow);}
  .panel-label{margin:0 0 10px;font-size:12.5px;font-weight:800;letter-spacing:.6px;color:#0B41C5;text-transform:uppercase;}
  .chip-row{display:flex;flex-wrap:wrap;gap:8px;}
  .chip{padding:5px 11px;border-radius:9px;background:linear-gradient(120deg,rgba(22,82,240,.1),rgba(122,60,255,.1));color:#14307A;font-size:12.5px;font-weight:700;}
  .panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .panel-value{margin:0;font-size:15.5px;font-weight:800;color:var(--ink);}
  .panel-note p{margin:0;font-size:14px;color:var(--ink-2);font-weight:600;}
  .panel-note{background:linear-gradient(120deg,rgba(22,82,240,.1),rgba(0,192,139,.12));border-color:#D4E4FF;}

  /* ---------- 数据条 ---------- */
  .metrics{padding:0 0 8px;}
  .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:var(--shadow);}
  .metric{padding:18px 18px 16px;border-radius:16px;position:relative;transition:background .25s ease;}
  .metric:hover{background:#F7FAFF;}
  .metric strong{display:block;font-size:29px;line-height:1.2;letter-spacing:-.5px;background:linear-gradient(120deg,#1652F0,#7A3CFF 60%,#00C08B);-webkit-background-clip:text;background-clip:text;color:#1652F0;-webkit-text-fill-color:transparent;}
  @supports not ((-webkit-background-clip:text) or (background-clip:text)){.metric strong{color:#1652F0;}}
  .metric span{display:block;font-size:13.5px;color:var(--ink-2);margin-top:4px;}

  /* ---------- 卡片网格 ---------- */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:stretch;}
  .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 6px 18px rgba(12,21,38,.045);position:relative;overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C6D8FF;}
  .card h3{margin:0 0 8px;font-size:17px;letter-spacing:-.2px;color:var(--ink);}
  .card p{margin:0;color:var(--ink-2);font-size:14.3px;}
  .card-top::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,#1652F0,#7A3CFF);}
  .card-top:nth-child(3n+2)::before{background:linear-gradient(90deg,#7A3CFF,#00C08B);}
  .card-top:nth-child(3n+3)::before{background:linear-gradient(90deg,#00C08B,#1652F0);}
  .card-idx{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:26px;padding:0 8px;border-radius:8px;background:rgba(22,82,240,.1);color:#0B41C5;font-size:12.5px;font-weight:800;margin-bottom:10px;}

  /* ---------- 步骤条 ---------- */
  .flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
  .flow-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px;box-shadow:0 6px 18px rgba(12,21,38,.045);transition:transform .28s ease,box-shadow .28s ease;}
  .flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
  .flow-step .num{display:inline-block;font-size:13px;font-weight:800;color:#0B41C5;background:rgba(22,82,240,.1);padding:2px 9px;border-radius:7px;margin-bottom:10px;letter-spacing:.5px;}
  .flow-step h3{margin:0 0 6px;font-size:15.5px;}
  .flow-step p{margin:0;font-size:13.6px;color:var(--ink-2);}

  /* ---------- 标签云 ---------- */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .tag-cloud span{padding:7px 14px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:13.5px;font-weight:600;transition:transform .2s ease,border-color .2s ease,color .2s ease;}
  .tag-cloud span:hover{transform:translateY(-2px);border-color:#BFD2FF;color:var(--brand);}

  /* ---------- 时间线 ---------- */
  .timeline{position:relative;padding-left:26px;}
  .timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,#1652F0,#7A3CFF,#00C08B);border-radius:2px;}
  .tl-item{position:relative;padding:0 0 22px 4px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{content:"";position:absolute;left:-24px;top:7px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(22,82,240,.1);}
  .tl-item h3{margin:0 0 5px;font-size:16px;}
  .tl-item p{margin:0;color:var(--ink-2);font-size:14.3px;}

  /* ---------- 服务网络 ---------- */
  .net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .net-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;transition:transform .25s ease,box-shadow .25s ease;}
  .net-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
  .net-item strong{display:block;font-size:15.5px;margin-bottom:6px;color:var(--ink);}
  .net-item span{display:block;color:var(--ink-2);font-size:13.8px;}

  /* ---------- 图片容器 ---------- */
  .img-box{background:linear-gradient(135deg,#EDF3FF,#F6F2FF);border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center;}
  .img-box img{width:100%;height:100%;object-fit:contain;display:block;}
  .case-img{aspect-ratio:4/3;margin-bottom:14px;}
  .gallery-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start;margin-top:24px;}
  .strip-img{border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#EDF3FF,#F6F2FF);}
  .strip-img img{display:block;width:100%;height:auto;}

  /* ---------- 对比评测 ---------- */
  .score-card{display:flex;flex-wrap:wrap;align-items:center;gap:26px;background:linear-gradient(120deg,#0F2E86,#1652F0 55%,#7A3CFF);border-radius:20px;padding:26px 28px;color:#fff;box-shadow:0 20px 46px rgba(22,82,240,.28);margin-bottom:26px;}
  .score-num{display:flex;align-items:baseline;gap:6px;}
  .score-num strong{font-size:46px;line-height:1;letter-spacing:-2px;color:#fff;}
  .score-num span{font-size:15px;color:rgba(255,255,255,.86);}
  .score-info{flex:1;min-width:240px;}
  .score-info h3{margin:0 0 6px;font-size:18px;color:#fff;}
  .score-info p{margin:0;color:rgba(255,255,255,.88);font-size:14.3px;}
  .stars{display:inline-flex;gap:4px;margin-bottom:8px;}
  .stars i{width:16px;height:16px;display:block;background:#FFD75E;clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);}
  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;}
  table{border-collapse:collapse;width:100%;min-width:760px;font-size:14.2px;}
  thead th{background:linear-gradient(120deg,#12327A,#1652F0);color:#fff;font-weight:700;padding:14px 16px;text-align:left;font-size:14px;white-space:nowrap;}
  tbody th{text-align:left;font-weight:700;color:var(--ink);padding:13px 16px;background:#F7FAFF;white-space:nowrap;}
  tbody td{padding:13px 16px;color:var(--ink-2);border-top:1px solid #EDF2FC;}
  tbody tr:nth-child(even) td{background:#FBFDFF;}
  tbody td.best{color:#0B41C5;font-weight:700;background:rgba(22,82,240,.05);}
  tbody tr:nth-child(even) td.best{background:rgba(22,82,240,.08);}

  /* ---------- 价格 / Token ---------- */
  .price-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:12px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;position:relative;}
  .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#C6D8FF;}
  .price-card.featured{border-color:#BFD2FF;background:linear-gradient(180deg,#F8FBFF,#fff);box-shadow:0 16px 40px rgba(22,82,240,.14);}
  .price-tag{display:inline-block;align-self:flex-start;padding:3px 10px;border-radius:8px;background:rgba(0,192,139,.14);color:#00795B;font-size:12.5px;font-weight:800;}
  .price-card.featured .price-tag{background:rgba(22,82,240,.14);color:#0B41C5;}
  .price-card h3{margin:0;font-size:18px;}
  .price-card ul{margin:0;padding-left:18px;color:var(--ink-2);font-size:14.2px;}
  .price-card ul li{margin-bottom:6px;}
  .price-note{margin:18px 0 0;font-size:13.5px;color:var(--ink-3);}

  /* ---------- 评论 ---------- */
  .review-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .28s ease,box-shadow .28s ease;}
  .review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
  .review-quote{margin:0;color:var(--ink-2);font-size:14.5px;position:relative;padding-top:16px;}
  .review-quote::before{content:"“";position:absolute;left:0;top:-8px;font-size:38px;line-height:1;color:rgba(22,82,240,.28);font-family:Georgia,serif;}
  .review-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
  .avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:#fff;background:linear-gradient(120deg,#1652F0,#7A3CFF);flex:none;}
  .review-user strong{display:block;font-size:14px;color:var(--ink);line-height:1.4;}
  .review-user span{display:block;font-size:12.5px;color:var(--ink-3);}

  /* ---------- 表单 ---------- */
  .match-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start;}
  .match-info{background:linear-gradient(150deg,rgba(22,82,240,.09),rgba(122,60,255,.09));border:1px solid #DCE7FF;border-radius:20px;padding:26px;}
  .match-info h3{margin:0 0 12px;font-size:18px;}
  .match-info ul{margin:0;padding-left:18px;color:var(--ink-2);font-size:14.4px;}
  .match-info ul li{margin-bottom:9px;}
  .lead-form{display:grid;gap:14px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow);}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .field{display:flex;flex-direction:column;gap:6px;font-size:13.8px;font-weight:700;color:var(--ink-2);}
  .field input,.field select,.field textarea{font:inherit;font-weight:400;font-size:14.5px;padding:11px 13px;border-radius:11px;border:1px solid #D8E3F7;background:#FAFCFF;color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;width:100%;}
  .field textarea{resize:vertical;min-height:104px;}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,82,240,.13);background:#fff;}
  .lead-form .btn{justify-self:start;padding:13px 34px;font-size:15.5px;}

  /* ---------- FAQ ---------- */
  .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start;}
  .faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;}
  .faq-item[open]{border-color:#BFD2FF;box-shadow:0 12px 28px rgba(22,82,240,.10);}
  .faq-item summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:15px;transition:color .2s ease;}
  .faq-item summary:hover{color:#0B41C5;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .25s ease;flex:none;margin-top:-4px;}
  .faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px;}
  .faq-body{padding:0 18px 16px;color:var(--ink-2);font-size:14.2px;}

  /* ---------- 百科 & 资讯 ---------- */
  .insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
  .block-title{font-size:20px;margin:0 0 16px;letter-spacing:-.3px;color:var(--ink);display:flex;align-items:center;gap:10px;}
  .block-title::before{content:"";width:5px;height:20px;border-radius:3px;background:linear-gradient(180deg,#1652F0,#00C08B);}
  .wiki-list{display:grid;gap:12px;}
  .wiki-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 16px;transition:transform .22s ease,box-shadow .22s ease;}
  .wiki-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
  .wiki-item strong{display:block;font-size:14.8px;color:var(--ink);margin-bottom:2px;}
  .wiki-item span{display:block;font-size:13.6px;color:var(--ink-2);}
  .news-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
  .news-list li a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:13px;text-decoration:none;color:var(--ink);font-size:14.5px;font-weight:600;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
  .news-list li a:hover{border-color:#BFD2FF;transform:translateY(-2px);box-shadow:var(--shadow);color:#0B41C5;}
  .news-list li a::after{content:"›";color:var(--brand);font-size:19px;line-height:1;flex:none;}

  /* ---------- 帮助中心 ---------- */
  .help-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;border-left:4px solid transparent;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
  .help-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-left-color:var(--brand);}
  .help-card strong{display:block;font-size:15.5px;margin-bottom:5px;}
  .help-card span{display:block;font-size:13.8px;color:var(--ink-2);}

  /* ---------- 加盟 CTA ---------- */
  .join-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(120deg,#0F2E86,#1652F0 52%,#7A3CFF);border-radius:22px;padding:32px 34px;box-shadow:0 22px 50px rgba(22,82,240,.26);}
  .join-band h2{margin:0 0 8px;font-size:clamp(20px,2.6vw,26px);color:#fff;letter-spacing:-.3px;}
  .join-band p{margin:0;color:rgba(255,255,255,.9);font-size:14.6px;max-width:660px;}
  .join-band .btn{background:#fff;color:#0F2E86;box-shadow:0 12px 26px rgba(0,0,0,.18);}
  .join-band .btn:hover{background:#F3F7FF;color:#0B41C5;}

  /* ---------- 联系 ---------- */
  .contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start;}
  .contact-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .contact-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:transform .22s ease,box-shadow .22s ease;}
  .contact-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
  .contact-item span{display:block;font-size:12.6px;color:var(--ink-3);font-weight:700;letter-spacing:.4px;margin-bottom:3px;}
  .contact-item strong,.contact-item a{display:block;font-size:15px;color:var(--ink);font-weight:700;text-decoration:none;word-break:break-all;}
  .contact-item a:hover{color:var(--brand);}
  .qr-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;text-align:center;box-shadow:var(--shadow);}
  .qr-card img{width:100%;max-width:210px;height:auto;border-radius:12px;display:block;margin:0 auto 12px;background:#F4F7FE;}
  .qr-card p{margin:0;font-size:14px;color:var(--ink-2);font-weight:700;}
  .qr-card .qr-sub{margin-top:6px;font-size:13px;color:var(--ink-3);font-weight:500;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:linear-gradient(160deg,#0B1526,#122A55);color:#C9D6EE;margin-top:0;padding:44px 0 20px;}
  .footer-main{display:grid;grid-template-columns:1.1fr 1.4fr;gap:32px;align-items:start;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12);}
  .footer-name{display:block;font-size:18px;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:.4px;}
  .site-footer p{margin:0 0 10px;font-size:13.8px;color:#A9BCDC;line-height:1.75;}
  .site-footer a{color:#9FB6DF;text-decoration:none;transition:color .2s ease;}
  .site-footer a:hover{color:#fff;}
  .footer-title{margin:0 0 12px;font-size:14.5px;font-weight:800;color:#fff;letter-spacing:.4px;}
  .footer-links ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;}
  .footer-links ul li a{font-size:13.5px;display:inline-block;}
  .footer-bottom{padding-top:16px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;align-items:center;}
  .footer-bottom p{margin:0;font-size:13px;color:#8FA3C6;}

  /* ---------- 浮动组件 ---------- */
  .float-dock{position:fixed;right:16px;bottom:20px;z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
  .dock-btn{width:48px;height:48px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 24px rgba(12,21,38,.14);transition:transform .22s ease,box-shadow .22s ease,opacity .25s ease,background .2s ease;font-size:13px;font-weight:800;padding:0;}
  .dock-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(12,21,38,.2);}
  .dock-btn.dock-main{background:linear-gradient(120deg,#1652F0,#7A3CFF);color:#fff;border-color:transparent;writing-mode:horizontal-tb;}
  .dock-btn.top{opacity:0;pointer-events:none;transform:translateY(10px);}
  .dock-btn.top.show{opacity:1;pointer-events:auto;transform:none;}
  .cs-card{position:absolute;right:60px;bottom:0;width:216px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 20px 44px rgba(12,21,38,.18);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;text-align:center;}
  .cs-card.show{opacity:1;visibility:visible;transform:none;}
  .cs-card img{width:100%;max-width:170px;height:auto;display:block;margin:0 auto 8px;border-radius:10px;background:#F4F7FE;}
  .cs-card p{margin:0;font-size:13px;color:var(--ink-2);font-weight:700;}
  .cs-card .cs-extra{margin-top:6px;font-size:12.4px;color:var(--ink-3);font-weight:500;}

  /* ---------- 渐入动效 ---------- */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:none;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1100px){
    .nav-toggle{display:flex;}
    .nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:12px;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 20px;box-shadow:0 22px 44px rgba(12,21,38,.12);}
    .nav.open{display:flex;}
    .nav-links{flex-direction:column;align-items:stretch;gap:0;}
    .nav-links a{padding:12px 10px;border-bottom:1px solid #F0F5FF;font-size:15px;border-radius:0;}
    .nav-cta{width:100%;padding:13px 18px;font-size:15px;}
  }
  @media (max-width:980px){
    .hero-inner{grid-template-columns:1fr;gap:32px;}
    .hero-panel{animation:none;}
    .metric-grid{grid-template-columns:repeat(2,1fr);}
    .grid-3{grid-template-columns:repeat(2,1fr);}
    .flow-grid{grid-template-columns:repeat(2,1fr);}
    .net-grid{grid-template-columns:repeat(2,1fr);}
    .match-grid{grid-template-columns:1fr;}
    .insight-grid{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .footer-main{grid-template-columns:1fr;gap:24px;}
    .faq-grid{grid-template-columns:1fr;}
    .gallery-strip{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:680px){
    body{background-attachment:scroll;}
    .section{padding:52px 0;}
    .hero{padding:40px 0 34px;}
    .grid-3,.grid-2,.net-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .contact-list{grid-template-columns:1fr;}
    .gallery-strip{grid-template-columns:1fr;}
    .join-band{padding:24px;flex-direction:column;align-items:flex-start;}
    .join-band .btn{width:100%;}
    .score-card{padding:22px;gap:16px;}
    .score-num strong{font-size:38px;}
    .footer-links ul{grid-template-columns:1fr;}
    .lead-form{padding:20px;}
    .hero-actions .btn{width:100%;}
    .float-dock{right:12px;bottom:14px;}
    .dock-btn{width:44px;height:44px;border-radius:12px;}
    .cs-card{right:56px;width:190px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    .hero-panel{animation:none;}
    .card:hover,.flow-step:hover,.price-card:hover,.review-card:hover,.net-item:hover,.help-card:hover,.news-list li a:hover,.dock-btn:hover{transform:none;}
  }