:root{
    --candy-red:#ff5c7a;
    --candy-orange:#ff9f43;
    --candy-yellow:#ffd93d;
    --candy-green:#38d39f;
    --candy-blue:#4d8bff;
    --candy-purple:#9b6dff;
    --ink:#1f2430;
    --ink-soft:#4a5266;
    --line:#eae6f0;
    --bg:#fdfbff;
    --card:#ffffff;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:10px;
    --shadow-sm:0 4px 16px rgba(120,90,160,.08);
    --shadow-md:0 12px 34px rgba(120,90,160,.14);
    --container:1180px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
    color:var(--ink);
    background:
      radial-gradient(900px 500px at 8% -6%, rgba(255,214,102,.30), transparent 62%),
      radial-gradient(760px 460px at 96% 4%, rgba(155,109,255,.20), transparent 60%),
      radial-gradient(700px 520px at 50% 52%, rgba(77,139,255,.06), transparent 70%),
      linear-gradient(180deg,#fffdf7 0%, #fdf9ff 30%, #f7fbff 66%, #fffaf6 100%);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none;}
  img{display:block;}
  ul{list-style:none;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

  /* ===== 顶栏 ===== */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,253,250,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(155,109,255,.14);
  }
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;padding:12px 0;min-height:68px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand .ai-page-logo{max-width:118px;height:auto;}
  .brand-name{font-weight:800;font-size:1.05rem;letter-spacing:.5px;color:var(--ink);}
  .brand-name span{
    background:linear-gradient(90deg,var(--candy-red),var(--candy-purple),var(--candy-blue));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end;}
  .nav-links li a{
    display:inline-block;padding:8px 11px;border-radius:999px;
    font-size:.9rem;color:var(--ink-soft);font-weight:500;
    transition:color .2s,background .2s,transform .2s;
  }
  .nav-links li a:hover{color:#fff;background:linear-gradient(120deg,var(--candy-purple),var(--candy-blue));transform:translateY(-1px);}
  .nav-cta{
    display:inline-flex;align-items:center;gap:6px;
    padding:10px 20px;border-radius:999px;font-weight:700;font-size:.9rem;
    color:#fff;background:linear-gradient(120deg,var(--candy-red),var(--candy-orange));
    box-shadow:0 8px 20px rgba(255,92,122,.34);
    transition:transform .2s,box-shadow .2s;white-space:nowrap;
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,92,122,.44);}
  .menu-toggle{
    display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    background:#fff;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);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);}

  /* ===== HERO ===== */
  .hero{position:relative;padding:64px 0 56px;overflow:hidden;}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border-radius:999px;font-size:.82rem;font-weight:600;
    color:#7a3fd6;background:rgba(155,109,255,.12);border:1px solid rgba(155,109,255,.26);
    margin-bottom:20px;
  }
  .hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--candy-green);display:inline-block;animation:pulse 1.8s infinite;}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(1.35);}}
  .hero h1{
    font-size:clamp(1.9rem,4vw,3.05rem);line-height:1.24;letter-spacing:-.5px;font-weight:800;
    color:var(--ink);margin-bottom:18px;
  }
  .hero h1 em{
    font-style:normal;
    background:linear-gradient(100deg,var(--candy-red),var(--candy-orange) 42%,var(--candy-purple));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-desc{font-size:1.02rem;color:var(--ink-soft);max-width:560px;margin-bottom:14px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}
  .hero-tags span{
    font-size:.8rem;padding:5px 13px;border-radius:999px;
    background:#fff;border:1px solid var(--line);color:var(--ink-soft);
    box-shadow:var(--shadow-sm);
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:15px 32px;border-radius:999px;font-weight:700;font-size:1rem;color:#fff;
    background:linear-gradient(120deg,var(--candy-red),var(--candy-purple) 55%,var(--candy-blue));
    box-shadow:0 14px 32px rgba(155,109,255,.34);
    transition:transform .22s,box-shadow .22s,filter .22s;
  }
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(155,109,255,.44);filter:brightness(1.04);}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 28px;border-radius:999px;font-weight:600;font-size:.95rem;
    color:var(--ink);background:#fff;border:1.5px solid rgba(155,109,255,.34);
    transition:.22s;
  }
  .btn-ghost:hover{border-color:var(--candy-purple);color:var(--candy-purple);transform:translateY(-2px);box-shadow:var(--shadow-sm);}

  .hero-visual{
    position:relative;border-radius:28px;padding:26px;
    background:linear-gradient(150deg,rgba(255,217,61,.24),rgba(77,139,255,.16) 48%,rgba(155,109,255,.22));
    border:1px solid rgba(155,109,255,.2);
    box-shadow:var(--shadow-md);
  }
  .hero-visual::before,.hero-visual::after{
    content:"";position:absolute;border-radius:50%;filter:blur(30px);z-index:0;
  }
  .hero-visual::before{width:150px;height:150px;background:rgba(255,159,67,.45);top:-34px;right:-20px;animation:floaty 7s ease-in-out infinite;}
  .hero-visual::after{width:120px;height:120px;background:rgba(77,139,255,.38);bottom:-28px;left:-18px;animation:floaty 9s ease-in-out infinite reverse;}
  @keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
  .visual-inner{position:relative;z-index:1;display:grid;gap:12px;}
  .visual-card{
    background:rgba(255,255,255,.94);border-radius:var(--radius-md);padding:16px 18px;
    display:flex;align-items:center;gap:14px;box-shadow:var(--shadow-sm);
    transition:transform .26s ease;
  }
  .visual-card:hover{transform:translateX(5px);}
  .vc-icon{
    width:44px;height:44px;border-radius:13px;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:1rem;
  }
  .vc-1{background:linear-gradient(135deg,var(--candy-red),var(--candy-orange));}
  .vc-2{background:linear-gradient(135deg,var(--candy-blue),var(--candy-purple));}
  .vc-3{background:linear-gradient(135deg,var(--candy-green),#26b98a);}
  .vc-4{background:linear-gradient(135deg,var(--candy-purple),var(--candy-red));}
  .vc-body strong{display:block;font-size:.94rem;color:var(--ink);}
  .vc-body small{font-size:.78rem;color:var(--ink-soft);line-height:1.5;}

  /* ===== 数据指标 ===== */
  .stats{padding:10px 0 8px;}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .stat-card{
    background:#fff;border-radius:var(--radius-md);padding:24px 20px;text-align:center;
    border:1px solid var(--line);box-shadow:var(--shadow-sm);
    transition:transform .25s,box-shadow .25s,border-color .25s;
  }
  .stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(155,109,255,.36);}
  .stat-num{
    font-size:1.85rem;font-weight:800;line-height:1.2;
    background:linear-gradient(110deg,var(--candy-red),var(--candy-purple),var(--candy-blue));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-label{font-size:.85rem;color:var(--ink-soft);margin-top:6px;}

  /* ===== 通用区块 ===== */
  .section{padding:62px 0;}
  .section-head{max-width:760px;margin:0 auto 40px;text-align:center;}
  .eyebrow{
    display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:2px;
    color:var(--candy-purple);background:rgba(155,109,255,.1);
    padding:5px 15px;border-radius:999px;margin-bottom:14px;
  }
  .section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;letter-spacing:-.4px;margin-bottom:12px;color:var(--ink);}
  .section-head p{color:var(--ink-soft);font-size:.96rem;}

  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1);}
  .reveal.in{opacity:1;transform:none;}

  /* ===== 关于我们 ===== */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch;}
  .about-card{
    background:linear-gradient(160deg,#ffffff,#fff8f2);
    border-radius:var(--radius-lg);padding:34px 30px;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);
  }
  .about-card h3{font-size:1.22rem;font-weight:800;margin-bottom:14px;color:var(--ink);}
  .about-card p{color:var(--ink-soft);font-size:.94rem;margin-bottom:12px;}
  .about-feats{display:grid;gap:10px;margin-top:18px;}
  .about-feats li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--ink-soft);}
  .about-feats li::before{
    content:"";width:18px;height:18px;flex-shrink:0;border-radius:50%;margin-top:4px;
    background:linear-gradient(135deg,var(--candy-green),#1fbf88);
    box-shadow:inset 0 0 0 4px #fff;
  }
  .about-models{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
  .model-chip{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:14px 16px;font-size:.86rem;font-weight:600;color:var(--ink);
    display:flex;align-items:center;gap:9px;transition:.24s;box-shadow:var(--shadow-sm);
  }
  .model-chip:hover{transform:translateY(-3px);border-color:rgba(155,109,255,.4);color:var(--candy-purple);}
  .model-chip i{width:7px;height:7px;border-radius:50%;background:var(--candy-orange);flex-shrink:0;}

  /* ===== 服务能力卡片 ===== */
  .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .service-card{
    position:relative;background:#fff;border-radius:var(--radius-lg);
    padding:26px 24px;border:1px solid var(--line);box-shadow:var(--shadow-sm);
    transition:transform .28s,box-shadow .28s,border-color .28s;overflow:hidden;
  }
  .service-card::after{
    content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
    background:linear-gradient(140deg,rgba(255,217,61,.14),transparent 46%,rgba(155,109,255,.12));
    opacity:0;transition:opacity .3s;
  }
  .service-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:rgba(255,159,67,.42);}
  .service-card:hover::after{opacity:1;}
  .service-icon{
    width:50px;height:50px;border-radius:15px;display:flex;align-items:center;justify-content:center;
    font-size:1.15rem;font-weight:800;color:#fff;margin-bottom:16px;
  }
  .si-a{background:linear-gradient(135deg,var(--candy-red),var(--candy-orange));}
  .si-b{background:linear-gradient(135deg,var(--candy-blue),var(--candy-purple));}
  .si-c{background:linear-gradient(135deg,var(--candy-green),#22bf8c);}
  .si-d{background:linear-gradient(135deg,var(--candy-purple),#6f8dff);}
  .si-e{background:linear-gradient(135deg,var(--candy-orange),var(--candy-yellow));}
  .si-f{background:linear-gradient(135deg,#5ad1ff,var(--candy-blue));}
  .service-card h3{font-size:1.06rem;font-weight:800;margin-bottom:8px;color:var(--ink);}
  .service-card p{font-size:.88rem;color:var(--ink-soft);}

  /* ===== 一站式制作 场景 ===== */
  .scene-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .scene-item{
    background:#fff;border-radius:var(--radius-md);padding:20px 18px;
    border:1px solid var(--line);box-shadow:var(--shadow-sm);
    transition:transform .24s,box-shadow .24s;
  }
  .scene-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
  .scene-item strong{display:block;font-size:.95rem;color:var(--ink);margin-bottom:6px;}
  .scene-item span{font-size:.82rem;color:var(--ink-soft);line-height:1.6;}

  /* ===== 流程时间线 ===== */
  .timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
  .timeline::before{
    content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
    background:linear-gradient(90deg,var(--candy-yellow),var(--candy-orange),var(--candy-purple),var(--candy-blue),var(--candy-green));
    opacity:.5;
  }
  .tl-step{position:relative;text-align:center;padding-top:0;}
  .tl-dot{
    width:52px;height:52px;border-radius:50%;margin:0 auto 14px;
    display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;
    background:linear-gradient(135deg,var(--candy-purple),var(--candy-blue));
    box-shadow:0 8px 20px rgba(77,139,255,.3);position:relative;z-index:1;
    transition:transform .25s;
  }
  .tl-step:hover .tl-dot{transform:scale(1.1) rotate(-6deg);}
  .tl-step:nth-child(2) .tl-dot{background:linear-gradient(135deg,var(--candy-orange),var(--candy-yellow));}
  .tl-step:nth-child(3) .tl-dot{background:linear-gradient(135deg,var(--candy-red),var(--candy-orange));}
  .tl-step:nth-child(4) .tl-dot{background:linear-gradient(135deg,var(--candy-blue),var(--candy-purple));}
  .tl-step:nth-child(5) .tl-dot{background:linear-gradient(135deg,var(--candy-green),#1fbf88);}
  .tl-step h3{font-size:.96rem;font-weight:700;margin-bottom:6px;color:var(--ink);}
  .tl-step p{font-size:.82rem;color:var(--ink-soft);}

  /* ===== 对比评测 ===== */
  .eval-panel{
    display:grid;grid-template-columns:.9fr 1.4fr;gap:26px;align-items:stretch;
  }
  .score-box{
    background:linear-gradient(155deg,#fff3f5,#fef8ec 55%,#f4f0ff);
    border-radius:var(--radius-lg);padding:34px 28px;border:1px solid rgba(255,159,67,.28);
    text-align:center;display:flex;flex-direction:column;justify-content:center;gap:8px;
    box-shadow:var(--shadow-sm);
  }
  .score-box .stars{font-size:1.5rem;letter-spacing:4px;color:#ffb400;}
  .score-num{font-size:3.4rem;font-weight:800;line-height:1;color:var(--candy-red);}
  .score-num small{font-size:1rem;color:var(--ink-soft);font-weight:600;}
  .score-label{font-size:.92rem;color:var(--ink-soft);}
  .score-rec{font-size:1rem;font-weight:800;color:var(--candy-purple);margin-top:6px;}
  .table-wrap{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-sm);}
  .eval-table{width:100%;border-collapse:collapse;font-size:.9rem;}
  .eval-table th,.eval-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);}
  .eval-table th{background:linear-gradient(90deg,rgba(255,217,61,.22),rgba(155,109,255,.16));font-weight:700;color:var(--ink);}
  .eval-table tr:last-child td{border-bottom:none;}
  .eval-table td:first-child{font-weight:600;color:var(--ink);width:34%;}
  .eval-table td:last-child{color:var(--ink-soft);}
  .tag-good{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.76rem;font-weight:700;color:#0f8a63;background:rgba(56,211,159,.16);}

  /* ===== 行业方案 / 服务网络 ===== */
  .solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .solution-card{
    background:#fff;border-radius:var(--radius-md);padding:24px 22px;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;
    border-top:3px solid var(--candy-orange);
  }
  .solution-card:nth-child(2){border-top-color:var(--candy-blue);}
  .solution-card:nth-child(3){border-top-color:var(--candy-purple);}
  .solution-card:nth-child(4){border-top-color:var(--candy-green);}
  .solution-card:nth-child(5){border-top-color:var(--candy-red);}
  .solution-card:nth-child(6){border-top-color:var(--candy-yellow);}
  .solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
  .solution-card h3{font-size:1rem;font-weight:800;margin-bottom:8px;color:var(--ink);}
  .solution-card p{font-size:.86rem;color:var(--ink-soft);}

  .network{
    display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  }
  .net-item{
    background:rgba(255,255,255,.86);border:1px dashed rgba(155,109,255,.34);
    border-radius:var(--radius-sm);padding:16px;text-align:center;font-size:.88rem;font-weight:600;color:var(--ink-soft);
    transition:.24s;
  }
  .net-item:hover{background:#fff;border-color:var(--candy-purple);color:var(--candy-purple);transform:translateY(-3px);}

  /* ===== 案例 ===== */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .case-card{
    background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);transition:transform .28s,box-shadow .28s;display:flex;flex-direction:column;
  }
  .case-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);}
  .case-media{aspect-ratio:16/10;overflow:hidden;background:#f6f2ff;}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
  .case-card:hover .case-media img{transform:scale(1.05);}
  .case-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
  .case-body h3{font-size:1rem;font-weight:800;color:var(--ink);}
  .case-body p{font-size:.86rem;color:var(--ink-soft);flex:1;}
  .case-meta{font-size:.78rem;color:var(--candy-purple);font-weight:700;}

  /* ===== 用户评论 ===== */
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .review-card{
    background:#fff;border-radius:var(--radius-lg);padding:24px 22px;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;
    transition:transform .25s,box-shadow .25s;
  }
  .review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
  .review-top{display:flex;align-items:center;gap:12px;}
  .avatar{
    width:44px;height:44px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;
    font-weight:800;color:#fff;font-size:.95rem;
  }
  .av-1{background:linear-gradient(135deg,var(--candy-red),var(--candy-orange));}
  .av-2{background:linear-gradient(135deg,var(--candy-blue),var(--candy-purple));}
  .av-3{background:linear-gradient(135deg,var(--candy-green),#1fbf88);}
  .av-4{background:linear-gradient(135deg,var(--candy-purple),#6f8dff);}
  .av-5{background:linear-gradient(135deg,var(--candy-orange),var(--candy-yellow));}
  .av-6{background:linear-gradient(135deg,#5ad1ff,var(--candy-blue));}
  .review-name{font-weight:700;font-size:.92rem;color:var(--ink);}
  .review-role{font-size:.78rem;color:var(--ink-soft);}
  .review-text{font-size:.88rem;color:var(--ink-soft);}
  .review-stars{color:#ffb400;font-size:.9rem;letter-spacing:2px;}

  /* ===== Token 比价 ===== */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .price-card{
    background:#fff;border-radius:var(--radius-lg);padding:28px 24px;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
    transition:transform .25s,box-shadow .25s;
  }
  .price-card.hot{border:2px solid var(--candy-purple);box-shadow:0 16px 38px rgba(155,109,255,.18);position:relative;}
  .price-card.hot::before{
    content:"优选推荐";position:absolute;top:-13px;right:20px;
    background:linear-gradient(120deg,var(--candy-red),var(--candy-orange));
    color:#fff;font-size:.74rem;font-weight:700;padding:4px 14px;border-radius:999px;
  }
  .price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
  .price-card h3{font-size:1.05rem;font-weight:800;color:var(--ink);}
  .price-tag{font-size:1.7rem;font-weight:800;color:var(--candy-red);}
  .price-tag small{font-size:.82rem;color:var(--ink-soft);font-weight:500;}
  .price-card ul{display:grid;gap:8px;}
  .price-card li{font-size:.86rem;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start;}
  .price-card li::before{content:"✓";color:var(--candy-green);font-weight:800;flex-shrink:0;}

  /* ===== 帮助中心 / FAQ ===== */
  .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
  .faq-item{background:#fff;border-radius:var(--radius-md);border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s;}
  .faq-item:hover{border-color:rgba(155,109,255,.4);}
  .faq-q{
    width:100%;text-align:left;background:none;border:none;cursor:pointer;
    padding:18px 22px;font-size:.95rem;font-weight:700;color:var(--ink);
    display:flex;align-items:center;justify-content:space-between;gap:14px;font-family:inherit;
  }
  .faq-q .arrow{
    width:22px;height:22px;flex-shrink:0;position:relative;transition:transform .3s;
  }
  .faq-q .arrow::before,.faq-q .arrow::after{
    content:"";position:absolute;top:50%;left:50%;background:var(--candy-purple);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-q .arrow::before{width:12px;height:2px;}
  .faq-q .arrow::after{width:2px;height:12px;transition:opacity .3s;}
  .faq-item.open .arrow{transform:rotate(180deg);}
  .faq-item.open .arrow::after{opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease;}
  .faq-a p{padding:0 22px 20px;font-size:.88rem;color:var(--ink-soft);}

  /* ===== 文章 / 百科 / 资讯 ===== */
  .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .article-card{
    background:#fff;border-radius:var(--radius-md);padding:22px 20px;border:1px solid var(--line);
    box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s;display:block;
  }
  .article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(77,139,255,.36);}
  .article-cat{font-size:.74rem;font-weight:700;color:var(--candy-blue);letter-spacing:1px;}
  .article-card h3{font-size:.98rem;font-weight:700;color:var(--ink);margin:8px 0 6px;}
  .article-card p{font-size:.84rem;color:var(--ink-soft);}
  .article-more{display:inline-block;margin-top:10px;font-size:.82rem;font-weight:700;color:var(--candy-purple);}

  /* ===== 表单 ===== */
  .form-panel{
    display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;
    background:linear-gradient(150deg,#fff8f0,#f6f1ff 60%,#f1fbff);
    border-radius:28px;padding:38px 34px;border:1px solid rgba(155,109,255,.2);
    box-shadow:var(--shadow-md);
  }
  .form-intro h2{font-size:1.55rem;font-weight:800;margin-bottom:12px;color:var(--ink);}
  .form-intro p{font-size:.92rem;color:var(--ink-soft);margin-bottom:18px;}
  .contact-list{display:grid;gap:10px;}
  .contact-list li{font-size:.88rem;color:var(--ink-soft);display:flex;gap:8px;align-items:baseline;word-break:break-all;}
  .contact-list li b{color:var(--ink);font-weight:700;flex-shrink:0;}
  .contact-list a{color:var(--candy-purple);font-weight:600;}
  .contact-list a:hover{text-decoration:underline;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .form-field{display:flex;flex-direction:column;gap:6px;}
  .form-field.full{grid-column:1/-1;}
  .form-field label{font-size:.82rem;font-weight:700;color:var(--ink);}
  .form-field input,.form-field select,.form-field textarea{
    width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);
    background:#fff;font-size:.9rem;color:var(--ink);font-family:inherit;transition:.2s;
  }
  .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
    outline:none;border-color:var(--candy-purple);box-shadow:0 0 0 3px rgba(155,109,255,.16);
  }
  .form-field textarea{resize:vertical;min-height:96px;}
  .form-submit{
    grid-column:1/-1;margin-top:6px;
    display:inline-flex;align-items:center;justify-content:center;
    padding:14px 28px;border-radius:999px;border:none;cursor:pointer;
    font-size:.98rem;font-weight:700;color:#fff;font-family:inherit;
    background:linear-gradient(120deg,var(--candy-red),var(--candy-purple) 55%,var(--candy-blue));
    box-shadow:0 12px 28px rgba(155,109,255,.3);transition:transform .2s,box-shadow .2s;
  }
  .form-submit:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(155,109,255,.4);}

  /* ===== 加盟代理 ===== */
  .join-panel{
    display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;
    background:linear-gradient(140deg,#fff5e8,#f4f0ff);
    border-radius:28px;padding:38px 34px;border:1px solid rgba(255,159,67,.28);
  }
  .join-panel h2{font-size:1.5rem;font-weight:800;margin-bottom:12px;color:var(--ink);}
  .join-panel p{font-size:.92rem;color:var(--ink-soft);margin-bottom:16px;}
  .join-list{display:grid;gap:10px;margin-bottom:20px;}
  .join-list li{font-size:.88rem;color:var(--ink-soft);display:flex;gap:9px;align-items:flex-start;}
  .join-list li::before{content:"◆";color:var(--candy-orange);font-size:.7rem;margin-top:7px;}
  .join-visual{
    background:#fff;border-radius:20px;padding:24px;border:1px dashed rgba(155,109,255,.4);
    text-align:center;box-shadow:var(--shadow-sm);
  }
  .join-visual .big{font-size:1.6rem;font-weight:800;color:var(--candy-purple);margin-bottom:6px;}
  .join-visual small{font-size:.82rem;color:var(--ink-soft);display:block;line-height:1.6;}
  .join-visual img{max-width:160px;width:100%;height:auto;margin:14px auto 0;border-radius:12px;border:1px solid var(--line);}

  /* ===== 标签云 ===== */
  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
  .tag-cloud span{
    font-size:.84rem;padding:7px 16px;border-radius:999px;background:#fff;
    border:1px solid var(--line);color:var(--ink-soft);transition:.24s;cursor:default;
    box-shadow:var(--shadow-sm);
  }
  .tag-cloud span:hover{color:#fff;background:linear-gradient(120deg,var(--candy-purple),var(--candy-blue));border-color:transparent;transform:translateY(-2px);}

  /* ===== footer ===== */
  .site-footer{
    margin-top:20px;background:#221c33;color:#d9d3e8;padding:46px 0 0;
  }
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:34px;}
  .footer-brand .ai-page-logo{max-width:118px;height:auto;margin-bottom:14px;filter:brightness(0) invert(1) opacity(.95);}
  .footer-brand p{font-size:.85rem;color:#b7aecb;line-height:1.75;max-width:300px;}
  .footer-h{font-size:.92rem;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
  .footer-links{display:grid;gap:9px;}
  .footer-links a{font-size:.85rem;color:#b7aecb;transition:color .2s;}
  .footer-links a:hover{color:var(--candy-yellow);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    font-size:.8rem;color:#9c93b3;
  }
  .footer-bottom a{color:#c9c1dd;}
  .footer-bottom a:hover{color:var(--candy-yellow);}

  /* ===== 浮动客服 / 返回顶部 ===== */
  .float-dock{position:fixed;right:18px;bottom:22px;z-index:80;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;
    background:linear-gradient(135deg,var(--candy-purple),var(--candy-blue));
    color:#fff;box-shadow:0 10px 24px rgba(77,139,255,.36);transition:transform .2s;
    font-size:1.1rem;
  }
  .float-btn:hover{transform:translateY(-3px) scale(1.05);}
  .float-btn.service{background:linear-gradient(135deg,var(--candy-red),var(--candy-orange));}
  .float-btn.top-btn{background:#fff;color:var(--ink);box-shadow:var(--shadow-md);font-size:.8rem;font-weight:800;opacity:0;pointer-events:none;transition:opacity .3s,transform .2s;}
  .float-btn.top-btn.show{opacity:1;pointer-events:auto;}

  .kefu-modal{
    position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
    background:rgba(30,20,50,.5);padding:20px;
  }
  .kefu-modal.show{display:flex;}
  .kefu-box{
    background:#fff;border-radius:20px;padding:26px;text-align:center;max-width:300px;width:100%;
    box-shadow:0 24px 60px rgba(40,20,80,.3);position:relative;
  }
  .kefu-box h3{font-size:1rem;font-weight:800;margin-bottom:6px;color:var(--ink);}
  .kefu-box p{font-size:.82rem;color:var(--ink-soft);margin-bottom:14px;}
  .kefu-box img{max-width:180px;width:100%;height:auto;margin:0 auto 12px;border-radius:12px;border:1px solid var(--line);}
  .kefu-close{
    position:absolute;top:10px;right:12px;width:30px;height:30px;border-radius:50%;
    border:none;background:#f2eefb;color:var(--ink-soft);cursor:pointer;font-size:1rem;line-height:1;
  }
  .kefu-close:hover{background:var(--candy-purple);color:#fff;}

  /* ===== 响应式 ===== */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .about-grid{grid-template-columns:1fr;}
    .service-grid{grid-template-columns:repeat(2,1fr);}
    .scene-wrap{grid-template-columns:repeat(2,1fr);}
    .timeline{grid-template-columns:repeat(3,1fr);}
    .timeline::before{display:none;}
    .eval-panel{grid-template-columns:1fr;}
    .solution-grid{grid-template-columns:repeat(2,1fr);}
    .case-grid{grid-template-columns:repeat(2,1fr);}
    .review-grid{grid-template-columns:repeat(2,1fr);}
    .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
    .article-grid{grid-template-columns:repeat(2,1fr);}
    .form-panel{grid-template-columns:1fr;}
    .join-panel{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr 1fr;}
    .network{grid-template-columns:repeat(2,1fr);}
  }
  @media (max-width:760px){
    .nav-links{
      display:none;position:absolute;top:100%;left:0;right:0;
      background:#fff;border-bottom:1px solid var(--line);
      padding:14px 20px 20px;flex-direction:column;align-items:stretch;
      gap:2px;box-shadow:0 16px 30px rgba(120,90,160,.14);
    }
    .nav-links.open{display:flex;}
    .nav-links li a{display:block;padding:10px 12px;font-size:.92rem;border-radius:10px;}
    .menu-toggle{display:flex;}
    .header-actions{display:none;}
    .header-inner{position:relative;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .service-grid{grid-template-columns:1fr;}
    .scene-wrap{grid-template-columns:1fr;}
    .timeline{grid-template-columns:1fr;gap:22px;}
    .solution-grid{grid-template-columns:1fr;}
    .case-grid{grid-template-columns:1fr;}
    .review-grid{grid-template-columns:1fr;}
    .article-grid{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr;}
    .form-grid{grid-template-columns:1fr;}
    .network{grid-template-columns:1fr;}
    .section{padding:46px 0;}
    .hero{padding:44px 0 40px;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .btn-primary,.btn-ghost{justify-content:center;}
    .form-panel,.join-panel{padding:26px 20px;border-radius:20px;}
    .table-wrap{overflow-x:auto;}
    .eval-table{min-width:560px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;}
    .reveal{opacity:1;transform:none;}
  }