*{margin:0;padding:0;box-sizing:border-box}
    :root{
      --rose:#e8396a;
      --rose-deep:#c41d4e;
      --rose-soft:#fce8ee;
      --rose-mist:#fdf2f5;
      --ink:#1f1a1c;
      --ink-soft:#4a3f43;
      --ink-mute:#7d6f74;
      --line:#f0dde3;
      --white:#ffffff;
      --shadow-sm:0 4px 16px rgba(200,40,80,.06);
      --shadow-md:0 12px 32px rgba(200,40,80,.10);
      --shadow-lg:0 20px 48px rgba(200,40,80,.14);
      --radius:20px;
      --radius-sm:12px;
      --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    }
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      background:linear-gradient(160deg,#fff8fa 0%,#fef3f6 30%,#fff5f8 60%,#fff9fb 100%);
      color:var(--ink);
      line-height:1.65;
      font-size:15px;
      overflow-x:hidden;
    }
    a{color:var(--rose);text-decoration:none;transition:color .25s}
    a:hover{color:var(--rose-deep)}
    ul{list-style:none}
    img{max-width:100%;height:auto;display:block}

    .container{
      width:100%;
      max-width:1200px;
      margin:0 auto;
      padding:0 24px;
    }

    /* ===== 顶部导航 ===== */
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,248,250,.92);
      backdrop-filter:blur(12px);
      border-bottom:1px solid var(--line);
      transition:box-shadow .3s;
    }
    .site-header.scrolled{box-shadow:var(--shadow-sm)}
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      min-height:68px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }
    .brand .ai-page-logo{
      max-width:100%;
      height:auto;
      width:auto;
      max-height:40px;
    }
    .brand-name{
      font-size:19px;
      font-weight:800;
      color:var(--rose-deep);
      letter-spacing:.5px;
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:0;
      flex-wrap:wrap;
    }
    .nav-links a{
      display:block;
      padding:8px 13px;
      font-size:14px;
      font-weight:600;
      color:var(--ink-soft);
      border-radius:8px;
      transition:color .2s,background .2s;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--rose-deep);
      background:var(--rose-soft);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:10px 24px;
      border-radius:50px;
      font-size:14px;
      font-weight:700;
      border:none;
      cursor:pointer;
      transition:transform .2s,box-shadow .25s,background .25s;
      font-family:var(--font);
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--rose) 0%,var(--rose-deep) 100%);
      color:#fff;
      box-shadow:0 6px 20px rgba(232,57,106,.35);
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 10px 28px rgba(232,57,106,.45);
    }
    .btn-ghost{
      background:transparent;
      color:var(--rose-deep);
      border:1.5px solid var(--rose);
    }
    .btn-ghost:hover{
      background:var(--rose-soft);
      color:var(--rose-deep);
      transform:translateY(-2px);
    }
    .btn-light{
      background:#fff;
      color:var(--rose-deep);
      box-shadow:var(--shadow-sm);
    }
    .btn-light:hover{
      background:var(--rose-soft);
      color:var(--rose-deep);
      transform:translateY(-2px);
    }
    .nav-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:10px;
      background:var(--rose-soft);
      border:none;
      cursor:pointer;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .nav-toggle span{
      display:block;
      width:20px;
      height:2px;
      background:var(--rose-deep);
      border-radius:2px;
      transition:transform .3s,opacity .3s;
    }
    .nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .nav-toggle.active span:nth-child(2){opacity:0}
    .nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    /* ===== Hero ===== */
    .hero{
      position:relative;
      padding:72px 0 80px;
      overflow:hidden;
      background:
        radial-gradient(ellipse 70% 60% at 16% 8%,rgba(232,57,106,.13),transparent 62%),
        radial-gradient(ellipse 60% 50% at 88% 88%,rgba(255,150,180,.16),transparent 60%),
        linear-gradient(150deg,#fff5f8 0%,#fde8ee 42%,#fff0f5 100%);
    }
    .hero::before{
      content:"";
      position:absolute;
      top:-120px;right:-100px;
      width:420px;height:420px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(232,57,106,.10),transparent 68%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      bottom:-160px;left:-120px;
      width:380px;height:380px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,120,150,.12),transparent 68%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:2;
      display:flex;
      flex-direction:column;
      align-items:center;
      text-align:center;
      max-width:880px;
      margin:0 auto;
    }
    .hero-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 18px;
      border-radius:50px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(232,57,106,.22);
      color:var(--rose-deep);
      font-size:13px;
      font-weight:700;
      letter-spacing:.5px;
      margin-bottom:26px;
      box-shadow:0 4px 14px rgba(232,57,106,.08);
      animation:fadeUp .8s ease both;
    }
    .hero-eyebrow::before{
      content:"";
      width:7px;height:7px;
      border-radius:50%;
      background:var(--rose);
      animation:pulse 2s infinite;
    }
    @keyframes pulse{
      0%,100%{opacity:1;transform:scale(1)}
      50%{opacity:.45;transform:scale(.8)}
    }
    .hero h1{
      font-size:clamp(30px,4.6vw,50px);
      font-weight:900;
      line-height:1.25;
      color:var(--ink);
      letter-spacing:-.5px;
      margin-bottom:20px;
      animation:fadeUp .8s .1s ease both;
    }
    .hero h1 em{
      font-style:normal;
      color:var(--rose-deep);
      position:relative;
      display:inline-block;
    }
    .hero h1 em::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:2px;
      height:10px;
      background:linear-gradient(90deg,rgba(232,57,106,.30),rgba(255,150,180,.10));
      border-radius:6px;
      z-index:-1;
    }
    .hero-desc{
      font-size:clamp(15px,1.8vw,17px);
      color:var(--ink-soft);
      max-width:640px;
      margin-bottom:36px;
      animation:fadeUp .8s .2s ease both;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      justify-content:center;
      margin-bottom:48px;
      animation:fadeUp .8s .3s ease both;
    }
    .hero-cta .btn{
      padding:14px 34px;
      font-size:15px;
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      width:100%;
      animation:fadeUp .8s .4s ease both;
    }
    .hero-stat{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(232,57,106,.12);
      border-radius:16px;
      padding:18px 12px;
      text-align:center;
      box-shadow:0 6px 20px rgba(232,57,106,.06);
      transition:transform .3s,box-shadow .3s;
    }
    .hero-stat:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
    }
    .hero-stat strong{
      display:block;
      font-size:clamp(20px,2.4vw,26px);
      font-weight:900;
      color:var(--rose-deep);
      line-height:1.2;
    }
    .hero-stat span{
      display:block;
      font-size:12.5px;
      color:var(--ink-mute);
      margin-top:4px;
      font-weight:600;
    }
    @keyframes fadeUp{
      from{opacity:0;transform:translateY(28px)}
      to{opacity:1;transform:translateY(0)}
    }

    /* ===== 通用区块 ===== */
    .section{
      padding:80px 0;
      position:relative;
    }
    .section-alt{
      background:
        radial-gradient(ellipse 50% 40% at 90% 10%,rgba(232,57,106,.06),transparent 70%),
        linear-gradient(180deg,#fffafb 0%,#fef6f8 100%);
    }
    .section-head{
      max-width:720px;
      margin:0 auto 48px;
      text-align:center;
    }
    .section-tag{
      display:inline-block;
      font-size:12.5px;
      font-weight:800;
      letter-spacing:2px;
      color:var(--rose-deep);
      background:var(--rose-soft);
      padding:5px 16px;
      border-radius:50px;
      margin-bottom:16px;
      text-transform:uppercase;
    }
    .section-head h2{
      font-size:clamp(24px,3.2vw,34px);
      font-weight:900;
      color:var(--ink);
      letter-spacing:-.3px;
      line-height:1.3;
      margin-bottom:12px;
    }
    .section-head p{
      font-size:15px;
      color:var(--ink-mute);
      line-height:1.7;
    }
    .reveal{
      opacity:0;
      transform:translateY(32px);
      transition:opacity .7s ease,transform .7s ease;
      will-change:opacity,transform;
    }
    .reveal.visible{
      opacity:1;
      transform:translateY(0);
    }

    /* ===== 关于我们 / 平台介绍 ===== */
    .about-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:40px;
      align-items:start;
    }
    .about-text h3{
      font-size:22px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:16px;
    }
    .about-text p{
      color:var(--ink-soft);
      font-size:15px;
      margin-bottom:14px;
      line-height:1.8;
    }
    .about-points{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:20px;
    }
    .about-point{
      display:flex;
      align-items:flex-start;
      gap:10px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      padding:14px 16px;
      box-shadow:var(--shadow-sm);
      transition:transform .3s,box-shadow .3s;
    }
    .about-point:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
    }
    .about-point .dot{
      width:8px;height:8px;
      border-radius:50%;
      background:var(--rose);
      margin-top:7px;
      flex-shrink:0;
    }
    .about-point span{
      font-size:14px;
      font-weight:600;
      color:var(--ink-soft);
      line-height:1.5;
    }
    .about-visual{
      background:linear-gradient(150deg,#fff 0%,var(--rose-mist) 100%);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:32px 28px;
      box-shadow:var(--shadow-md);
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .about-visual h4{
      font-size:16px;
      font-weight:800;
      color:var(--rose-deep);
      display:flex;
      align-items:center;
      gap:8px;
    }
    .about-visual h4::before{
      content:"";
      width:4px;height:16px;
      background:var(--rose);
      border-radius:3px;
    }
    .model-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .model-cloud span{
      font-size:12px;
      font-weight:600;
      padding:5px 12px;
      border-radius:50px;
      background:#fff;
      color:var(--rose-deep);
      border:1px solid rgba(232,57,106,.18);
      transition:background .2s,transform .2s;
    }
    .model-cloud span:hover{
      background:var(--rose-soft);
      transform:translateY(-2px);
    }

    /* ===== 服务能力卡片 ===== */
    .services-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .service-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:28px 24px;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
      transition:transform .35s,box-shadow .35s;
    }
    .service-card::after{
      content:"";
      position:absolute;
      top:0;left:0;right:0;
      height:4px;
      background:linear-gradient(90deg,var(--rose),#ff9ab5);
      transform:scaleX(0);
      transform-origin:left;
      transition:transform .4s;
    }
    .service-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-lg);
    }
    .service-card:hover::after{transform:scaleX(1)}
    .service-icon{
      width:48px;height:48px;
      border-radius:14px;
      background:var(--rose-soft);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:22px;
      margin-bottom:16px;
      transition:transform .35s;
    }
    .service-card:hover .service-icon{transform:scale(1.08) rotate(-4deg)}
    .service-card h3{
      font-size:17px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:8px;
    }
    .service-card p{
      font-size:13.5px;
      color:var(--ink-mute);
      line-height:1.65;
    }

    /* ===== 一站式制作 / 方案 ===== */
    .solution-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .solution-item{
      display:flex;
      gap:16px;
      align-items:flex-start;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      padding:22px 22px;
      box-shadow:var(--shadow-sm);
      transition:transform .3s,box-shadow .3s;
    }
    .solution-item:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
    }
    .solution-num{
      font-size:20px;
      font-weight:900;
      color:var(--rose);
      line-height:1;
      flex-shrink:0;
      width:36px;
      text-align:center;
      opacity:.8;
    }
    .solution-body h3{
      font-size:16px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:5px;
    }
    .solution-body p{
      font-size:13.5px;
      color:var(--ink-mute);
      line-height:1.6;
    }

    /* ===== 流程步骤 ===== */
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:20px;
      counter-reset:step;
    }
    .step{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:28px 20px 24px;
      text-align:center;
      box-shadow:var(--shadow-sm);
      position:relative;
      transition:transform .3s,box-shadow .3s;
    }
    .step:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
    }
    .step::before{
      counter-increment:step;
      content:"0" counter(step);
      display:block;
      font-size:30px;
      font-weight:900;
      color:var(--rose);
      opacity:.25;
      line-height:1;
      margin-bottom:12px;
    }
    .step h3{
      font-size:15px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:6px;
    }
    .step p{
      font-size:13px;
      color:var(--ink-mute);
      line-height:1.6;
    }

    /* ===== 对比评测表格 ===== */
    .compare-wrap{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-md);
    }
    .compare-head{
      display:flex;
      flex-wrap:wrap;
      gap:16px;
      align-items:center;
      justify-content:space-between;
      padding:26px 30px;
      background:linear-gradient(120deg,var(--rose-mist),#fff);
      border-bottom:1px solid var(--line);
    }
    .compare-head h3{
      font-size:20px;
      font-weight:900;
      color:var(--ink);
    }
    .compare-rating{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .compare-rating .stars{
      color:#ffb400;
      font-size:18px;
      letter-spacing:2px;
    }
    .compare-rating .score{
      font-size:26px;
      font-weight:900;
      color:var(--rose-deep);
      line-height:1;
    }
    .compare-rating .score small{
      font-size:13px;
      color:var(--ink-mute);
      font-weight:600;
    }
    .table-scroll{
      overflow-x:auto;
      -webkit-overflow-scrolling:touch;
    }
    .compare-table{
      width:100%;
      border-collapse:collapse;
      min-width:640px;
      font-size:14px;
    }
    .compare-table th,
    .compare-table td{
      padding:16px 22px;
      text-align:left;
      border-bottom:1px solid var(--line);
      vertical-align:top;
    }
    .compare-table th{
      background:var(--rose-mist);
      font-weight:800;
      color:var(--rose-deep);
      font-size:14px;
      white-space:nowrap;
    }
    .compare-table td:first-child{
      font-weight:700;
      color:var(--ink);
      white-space:nowrap;
    }
    .compare-table tbody tr:last-child td{border-bottom:none}
    .compare-table tbody tr{
      transition:background .2s;
    }
    .compare-table tbody tr:hover{background:#fffafb}
    .tag-good{
      display:inline-block;
      padding:2px 10px;
      border-radius:50px;
      background:var(--rose-soft);
      color:var(--rose-deep);
      font-size:12px;
      font-weight:700;
    }

    /* ===== 用户评论 ===== */
    .reviews-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .review-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:26px 24px;
      box-shadow:var(--shadow-sm);
      position:relative;
      transition:transform .3s,box-shadow .3s;
    }
    .review-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
    }
    .review-card::before{
      content:"\201C";
      position:absolute;
      top:10px;right:22px;
      font-size:52px;
      color:var(--rose);
      opacity:.15;
      font-family:Georgia,serif;
      line-height:1;
    }
    .review-stars{
      color:#ffb400;
      font-size:14px;
      letter-spacing:2px;
      margin-bottom:12px;
    }
    .review-text{
      font-size:14px;
      color:var(--ink-soft);
      line-height:1.75;
      margin-bottom:18px;
      min-height:74px;
    }
    .review-user{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .review-avatar{
      width:42px;height:42px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--rose),#ff9ab5);
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:800;
      font-size:16px;
      flex-shrink:0;
    }
    .review-user-info strong{
      display:block;
      font-size:14px;
      font-weight:800;
      color:var(--ink);
    }
    .review-user-info span{
      display:block;
      font-size:12px;
      color:var(--ink-mute);
    }

    /* ===== Token比价 ===== */
    .price-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .price-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:30px 26px;
      box-shadow:var(--shadow-sm);
      transition:transform .3s,box-shadow .3s;
      position:relative;
    }
    .price-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-md);
    }
    .price-card.featured{
      border:2px solid var(--rose);
      background:linear-gradient(170deg,#fff 0%,var(--rose-mist) 100%);
    }
    .price-badge{
      position:absolute;
      top:-12px;left:26px;
      background:var(--rose);
      color:#fff;
      font-size:12px;
      font-weight:800;
      padding:3px 14px;
      border-radius:50px;
      letter-spacing:.5px;
    }
    .price-card h3{
      font-size:17px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:6px;
    }
    .price-card .price-desc{
      font-size:13px;
      color:var(--ink-mute);
      margin-bottom:18px;
    }
    .price-value{
      font-size:30px;
      font-weight:900;
      color:var(--rose-deep);
      line-height:1.1;
      margin-bottom:18px;
    }
    .price-value small{
      font-size:13px;
      font-weight:600;
      color:var(--ink-mute);
    }
    .price-features li{
      font-size:13.5px;
      color:var(--ink-soft);
      padding:7px 0 7px 22px;
      position:relative;
    }
    .price-features li::before{
      content:"✓";
      position:absolute;
      left:0;
      color:var(--rose);
      font-weight:800;
    }

    /* ===== 案例中心 ===== */
    .cases-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .case-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      transition:transform .35s,box-shadow .35s;
    }
    .case-card:hover{
      transform:translateY(-6px);
      box-shadow:var(--shadow-lg);
    }
    .case-img-wrap{
      overflow:hidden;
      background:var(--rose-mist);
    }
    .case-img-wrap img{
      width:100%;
      height:auto;
      transition:transform .5s;
    }
    .case-card:hover .case-img-wrap img{
      transform:scale(1.04);
    }
    .case-body{
      padding:20px 22px;
    }
    .case-body h3{
      font-size:16px;
      font-weight:800;
      color:var(--ink);
      margin-bottom:6px;
    }
    .case-body p{
      font-size:13.5px;
      color:var(--ink-mute);
      line-height:1.6;
    }

    /* ===== 文章列表 ===== */
    .articles-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .article-card{
      display:flex;
      align-items:flex-start;
      gap:14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      padding:20px 22px;
      box-shadow:var(--shadow-sm);
      transition:transform .3s,box-shadow .3s;
    }
    .article-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
    }
    .article-num{
      font-size:22px;
      font-weight:900;
      color:var(--rose);
      opacity:.3;
      line-height:1;
      flex-shrink:0;
    }
    .article-card h3{
      font-size:14.5px;
      font-weight:700;
      color:var(--ink);
      line-height:1.5;
      margin-bottom:4px;
    }
    .article-card p{
      font-size:12.5px;
      color:var(--ink-mute);
    }

    /* ===== 表单 ===== */
    .form-wrap{
      display:grid;
      grid-template-columns:1fr 1.2fr;
      gap:40px;
      align-items:start;
    }
    .form-info h3{
      font-size:22px;
      font-weight:900;
      color:var(--ink);
      margin-bottom:14px;
    }
    .form-info p{
      font-size:14.5px;
      color:var(--ink-soft);
      margin-bottom:22px;
      line-height:1.75;
    }
    .contact-list{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .contact-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      font-size:14px;
      color:var(--ink-soft);
    }
    .contact-item .icon{
      width:32px;height:32px;
      border-radius:10px;
      background:var(--rose-soft);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:14px;
      flex-shrink:0;
    }
    .contact-item strong{
      display:block;
      font-size:13px;
      color:var(--ink-mute);
      font-weight:600;
    }
    .contact-item span{
      font-weight:700;
      color:var(--ink);
      font-size:14px;
    }
    .demand-form{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:32px 30px;
      box-shadow:var(--shadow-md);
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-bottom:16px;
    }
    .form-field{
      display:flex;
      flex-direction:column;
      gap:6px;
    }
    .form-field.full{grid-column:1/-1}
    .form-field label{
      font-size:13px;
      font-weight:700;
      color:var(--ink-soft);
    }
    .form-field input,
    .form-field select,
    .form-field textarea{
      width:100%;
      padding:11px 14px;
      border:1.5px solid var(--line);
      border-radius:10px;
      font-size:14px;
      font-family:var(--font);
      color:var(--ink);
      background:#fffafb;
      transition:border-color .2s,box-shadow .2s;
      outline:none;
    }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus{
      border-color:var(--rose);
      box-shadow:0 0 0 3px rgba(232,57,106,.12);
      background:#fff;
    }
    .form-field textarea{
      resize:vertical;
      min-height:96px;
    }
    .form-submit{
      margin-top:6px;
      width:100%;
      padding:13px;
      font-size:15px;
    }

    /* ===== FAQ ===== */
    .faq-list{
      max-width:860px;
      margin:0 auto;
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
      transition:box-shadow .3s;
    }
    .faq-item.open{
      box-shadow:var(--shadow-md);
      border-color:rgba(232,57,106,.3);
    }
    .faq-q{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 24px;
      cursor:pointer;
      user-select:none;
      font-size:15px;
      font-weight:700;
      color:var(--ink);
      background:none;
      border:none;
      width:100%;
      text-align:left;
      font-family:var(--font);
      transition:color .2s;
    }
    .faq-q:hover{color:var(--rose-deep)}
    .faq-icon{
      width:26px;height:26px;
      border-radius:50%;
      background:var(--rose-soft);
      color:var(--rose-deep);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:16px;
      font-weight:700;
      flex-shrink:0;
      transition:transform .3s,background .3s;
      line-height:1;
    }
    .faq-item.open .faq-icon{
      transform:rotate(45deg);
      background:var(--rose);
      color:#fff;
    }
    .faq-a{
      max-height:0;
      overflow:hidden;
      transition:max-height .35s ease;
    }
    .faq-a-inner{
      padding:0 24px 20px;
      font-size:14px;
      color:var(--ink-soft);
      line-height:1.8;
    }

    /* ===== 友情链接 ===== */
    .friend-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:center;
    }
    .friend-links a{
      display:inline-block;
      padding:7px 18px;
      border-radius:50px;
      background:#fff;
      border:1px solid var(--line);
      font-size:13px;
      font-weight:600;
      color:var(--ink-soft);
      transition:background .2s,color .2s,transform .2s,border-color .2s;
    }
    .friend-links a:hover{
      background:var(--rose-soft);
      color:var(--rose-deep);
      border-color:rgba(232,57,106,.3);
      transform:translateY(-2px);
    }

    /* ===== 页脚 ===== */
    .site-footer{
      background:linear-gradient(160deg,#2a1f23 0%,#221a1d 100%);
      color:#c9b8be;
      padding:56px 0 0;
      margin-top:0;
      border-top:3px solid var(--rose);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.6fr 1fr 1fr 1.2fr;
      gap:36px;
      padding-bottom:40px;
    }
    .footer-brand .ai-page-logo{
      max-width:100%;
      height:auto;
      max-height:40px;
      margin-bottom:16px;
    }
    .footer-brand p{
      font-size:13.5px;
      line-height:1.8;
      color:#a08d93;
      margin-bottom:16px;
      max-width:280px;
    }
    .footer-social{
      display:flex;
      gap:10px;
    }
    .footer-social span{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:6px 14px;
      border-radius:50px;
      background:rgba(255,255,255,.08);
      color:#e0cdd3;
      font-size:12.5px;
      font-weight:600;
    }
    .footer-col h4{
      font-size:15px;
      font-weight:800;
      color:#fff;
      margin-bottom:16px;
      letter-spacing:.5px;
    }
    .footer-col ul{
      display:flex;
      flex-direction:column;
      gap:9px;
    }
    .footer-col li a{
      font-size:13.5px;
      color:#a08d93;
      transition:color .2s;
    }
    .footer-col li a:hover{color:#ff9ab5}
    .footer-contact li{
      display:flex;
      align-items:flex-start;
      gap:8px;
      font-size:13.5px;
      color:#a08d93;
      line-height:1.5;
    }
    .footer-contact li strong{
      color:#e0cdd3;
      font-weight:700;
    }
    .footer-qrcode{
      margin-top:14px;
      display:flex;
      align-items:center;
      gap:12px;
    }
    .footer-qrcode img{
      width:76px;
      height:76px;
      border-radius:8px;
      object-fit:cover;
      border:2px solid rgba(255,255,255,.12);
    }
    .footer-qrcode span{
      font-size:12px;
      color:#a08d93;
      line-height:1.6;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.08);
      padding:20px 0;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:12px;
    }
    .footer-bottom p{
      font-size:12.5px;
      color:#8a777d;
    }
    .footer-bottom a{
      color:#c9b8be;
      font-size:12.5px;
    }
    .footer-bottom a:hover{color:#ff9ab5}

    /* ===== 浮动客服 ===== */
    .float-kefu{
      position:fixed;
      right:22px;
      bottom:88px;
      z-index:90;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-btn{
      width:52px;height:52px;
      border-radius:16px;
      background:linear-gradient(135deg,var(--rose),var(--rose-deep));
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:20px;
      box-shadow:0 8px 24px rgba(232,57,106,.35);
      cursor:pointer;
      transition:transform .25s,box-shadow .25s;
      border:none;
      text-decoration:none;
    }
    .float-btn:hover{
      transform:translateY(-3px) scale(1.05);
      box-shadow:0 12px 30px rgba(232,57,106,.45);
    }
    .float-btn.back-top{
      background:#fff;
      color:var(--rose-deep);
      font-size:18px;
      box-shadow:var(--shadow-md);
      opacity:0;
      visibility:hidden;
      transition:opacity .3s,visibility .3s,transform .25s;
    }
    .float-btn.back-top.show{
      opacity:1;
      visibility:visible;
    }

    /* ===== 响应式 ===== */
    @media (max-width:1024px){
      .nav-links a{padding:7px 10px;font-size:13px}
      .about-grid{grid-template-columns:1fr;gap:28px}
      .services-grid{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}
      .reviews-grid{grid-template-columns:repeat(2,1fr)}
      .price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
      .cases-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .form-wrap{grid-template-columns:1fr;gap:28px}
    }
    @media (max-width:860px){
      .nav-toggle{display:flex}
      .nav-links{
        position:absolute;
        top:100%;
        left:0;
        right:0;
        background:rgba(255,248,250,.98);
        backdrop-filter:blur(16px);
        flex-direction:column;
        align-items:stretch;
        padding:12px 20px 20px;
        gap:2px;
        border-bottom:1px solid var(--line);
        box-shadow:var(--shadow-md);
        max-height:0;
        overflow:hidden;
        transition:max-height .35s ease,padding .35s ease;
        padding-top:0;
        padding-bottom:0;
      }
      .nav-links.open{
        max-height:520px;
        padding-top:12px;
        padding-bottom:20px;
      }
      .nav-links a{padding:11px 14px;font-size:14.5px;border-radius:10px}
      .nav-actions .btn-ghost{display:none}
      .hero{padding:52px 0 64px}
      .hero-stats{grid-template-columns:repeat(2,1fr)}
      .services-grid{grid-template-columns:1fr}
      .solution-list{grid-template-columns:1fr}
      .reviews-grid{grid-template-columns:1fr}
      .cases-grid{grid-template-columns:1fr}
      .articles-grid{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-brand p{max-width:none}
      .section{padding:56px 0}
      .compare-head{padding:20px 20px}
      .compare-table th,.compare-table td{padding:13px 16px;font-size:13px}
    }
    @media (max-width:520px){
      .container{padding:0 16px}
      .brand-name{font-size:16px}
      .hero h1{font-size:27px}
      .hero-cta .btn{padding:12px 26px;font-size:14px}
      .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
      .hero-stat{padding:14px 8px}
      .about-points{grid-template-columns:1fr}
      .float-kefu{right:14px;bottom:76px}
      .float-btn{width:46px;height:46px;border-radius:14px;font-size:18px}
      .demand-form{padding:24px 20px}
      .price-card{padding:24px 20px}
      .review-card{padding:22px 20px}
      .section-head{margin-bottom:32px}
    }