:root{
    --pink:#ff2e63;
    --pink-2:#ff6b9d;
    --pink-deep:#d81b52;
    --ink:#20101c;
    --muted:#6e5566;
    --bg:#fff6f8;
    --line:#ffd8e3;
    --shadow:0 10px 30px rgba(216,27,82,.08);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    color:var(--ink);
    background-color:#fff6f8;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    pointer-events:none;
    background:
      radial-gradient(820px 480px at 8% -8%, #ffe0ea 0%, rgba(255,224,234,0) 65%),
      radial-gradient(720px 420px at 96% 0%, #ffeadf 0%, rgba(255,234,223,0) 62%),
      radial-gradient(900px 700px at 50% 112%, #ffe7f0 0%, rgba(255,231,240,0) 70%);
  }
  img{max-width:100%;}
  a{color:inherit;}
  h1,h2,h3,h4{letter-spacing:-.01em;}
  .container{
    width:100%;
    max-width:1180px;
    margin:0 auto;
    padding:0 20px;
  }
  section[id]{scroll-margin-top:86px;}

  /* 顶部导航 */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(255,255,255,.9);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .nav-wrap{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:70px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    font-weight:800;
    font-size:17px;
    color:var(--ink);
    flex:0 0 auto;
  }
  .ai-page-logo{
    display:block;
    width:auto;
    max-height:34px;
    max-width:100%;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:0;
    flex-wrap:wrap;
  }
  .nav-links a{
    display:block;
    padding:8px 11px;
    font-size:14.5px;
    color:#4a3340;
    text-decoration:none;
    border-radius:999px;
    white-space:nowrap;
    transition:color .2s ease, background .2s ease;
  }
  .nav-links a:hover{
    color:var(--pink-deep);
    background:#ffeaf1;
  }
  .nav-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 auto;
  }
  .nav-toggle{
    display:none;
    width:42px;
    height:42px;
    padding:0;
    border-radius:12px;
    border:1px solid #ffd0dd;
    background:#fff;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
    cursor:pointer;
  }
  .nav-toggle span{
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--pink-deep);
    transition:transform .25s ease, opacity .25s ease;
  }
  .nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.active span:nth-child(2){opacity:0;}
  .nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 26px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    text-decoration:none;
    border:1px solid transparent;
    cursor:pointer;
    font-family:inherit;
    transition:transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
  }
  .btn-primary{
    background:linear-gradient(135deg,#ff2e63 0%,#ff6b9d 100%);
    color:#fff;
    box-shadow:0 10px 24px rgba(255,46,99,.32);
  }
  .btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 14px 30px rgba(255,46,99,.42);
  }
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{
    background:#fff;
    color:var(--pink-deep);
    border-color:#ffc2d4;
  }
  .btn-ghost:hover{
    background:#ffeef3;
    transform:translateY(-2px);
    box-shadow:0 10px 22px rgba(216,27,82,.12);
  }
  .btn-sm{padding:9px 18px;font-size:14px;}

  /* 通用区块 */
  .section{padding:62px 0;}
  .section-head{max-width:780px;margin:0 0 34px;}
  .eyebrow{
    display:inline-block;
    margin:0 0 12px;
    padding:5px 13px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.06em;
    color:var(--pink-deep);
    background:#ffe7ee;
    border:1px solid #ffcede;
    border-radius:999px;
  }
  h2{
    font-size:clamp(21px,2.8vw,31px);
    line-height:1.32;
    margin:0 0 12px;
    color:var(--ink);
  }
  .section-head p{
    margin:0;
    font-size:15.5px;
    color:var(--muted);
  }
  .grid{display:grid;gap:18px;}
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

  .card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    padding:24px;
    box-shadow:var(--shadow);
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .card:hover{
    transform:translateY(-4px);
    box-shadow:0 18px 38px rgba(216,27,82,.14);
    border-color:#ffbcd1;
  }
  .card h3{
    margin:0 0 8px;
    font-size:17px;
    color:var(--ink);
  }
  .card p{
    margin:0;
    font-size:14.5px;
    color:var(--muted);
  }
  .ico{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    margin-bottom:14px;
    border-radius:13px;
    color:#fff;
    background:linear-gradient(135deg,#ff2e63 0%,#ff8ab2 100%);
    box-shadow:0 8px 18px rgba(255,46,99,.26);
  }

  /* 首屏 */
  .hero{
    position:relative;
    overflow:hidden;
    padding:66px 0 22px;
  }
  .hero::before{
    content:"";
    position:absolute;
    top:-170px;
    left:-130px;
    width:430px;
    height:430px;
    border-radius:50%;
    background:radial-gradient(circle,#ffb3ca 0%,rgba(255,179,202,0) 70%);
  }
  .hero::after{
    content:"";
    position:absolute;
    right:-120px;
    bottom:-150px;
    width:380px;
    height:380px;
    border-radius:50%;
    background:radial-gradient(circle,#ffd3a8 0%,rgba(255,211,168,0) 70%);
  }
  .hero-inner{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:40px;
    align-items:center;
  }
  .hero h1{
    margin:0 0 16px;
    font-size:clamp(29px,4.6vw,48px);
    line-height:1.16;
    color:var(--ink);
  }
  .hero-sub{
    margin:0 0 26px;
    font-size:16px;
    color:#5c4150;
    max-width:620px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-bottom:22px;
  }
  .hero-tags{
    list-style:none;
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin:0;
    padding:0;
  }
  .hero-tags li{
    padding:6px 14px;
    font-size:13px;
    color:var(--pink-deep);
    background:#fff;
    border:1px solid #ffd3e0;
    border-radius:999px;
  }
  .hero-board{
    display:grid;
    gap:14px;
    padding:26px;
    border-radius:24px;
    background:linear-gradient(160deg,#ffffff 0%,#fff0f5 100%);
    border:1px solid #ffd3e0;
    box-shadow:0 22px 52px rgba(216,27,82,.13);
  }
  .hero-board-item{
    display:flex;
    flex-wrap:wrap;
    align-items:baseline;
    justify-content:space-between;
    gap:8px 14px;
    padding-bottom:14px;
    border-bottom:1px dashed #ffd8e3;
  }
  .hero-board-item:last-child{
    padding-bottom:0;
    border-bottom:0;
  }
  .hb-label{
    font-size:13.5px;
    color:var(--muted);
  }
  .hb-value{
    font-size:16px;
    font-weight:800;
    color:var(--pink-deep);
  }

  .stat-strip{
    list-style:none;
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:14px;
    margin:46px 0 0;
    padding:0;
    position:relative;
    z-index:1;
  }
  .stat-strip li{
    padding:18px 20px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow);
  }
  .stat-strip strong{
    display:block;
    font-size:21px;
    color:var(--pink-deep);
    line-height:1.4;
  }
  .stat-strip span{
    font-size:13.5px;
    color:var(--muted);
  }

  /* 关于我们 */
  .about-grid{
    display:grid;
    grid-template-columns:1.35fr 1fr;
    gap:20px;
    align-items:start;
  }
  .about-main p{
    margin:0 0 14px;
    font-size:15px;
    color:#4c3244;
  }
  .about-main p:last-child{margin-bottom:0;}
  .about-list{
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    gap:10px;
  }
  .about-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    padding:14px 16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    font-size:14.5px;
    color:#43303f;
    box-shadow:0 4px 14px rgba(216,27,82,.05);
    transition:transform .22s ease, box-shadow .22s ease;
  }
  .about-list li:hover{
    transform:translateX(4px);
    box-shadow:0 10px 22px rgba(216,27,82,.1);
  }
  .about-list li b{color:var(--pink-deep);}

  /* 一站式场景 */
  .scene-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:14px;
  }
  .scene{
    padding:18px 20px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
  }
  .scene:hover{
    transform:translateY(-4px);
    border-color:#ffbcd1;
    box-shadow:0 14px 30px rgba(216,27,82,.13);
  }
  .scene h3{
    margin:0 0 6px;
    font-size:15.5px;
    color:var(--ink);
  }
  .scene p{
    margin:0;
    font-size:13.8px;
    color:var(--muted);
    line-height:1.6;
  }
  .tag-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
    margin-top:22px;
    padding:0;
    list-style:none;
  }
  .tag-cloud li{
    padding:7px 15px;
    font-size:13.5px;
    color:#7a3550;
    background:#ffeef4;
    border:1px solid #ffd3e0;
    border-radius:999px;
    transition:background .2s ease, color .2s ease, transform .2s ease;
  }
  .tag-cloud li:hover{
    background:linear-gradient(135deg,#ff2e63,#ff6b9d);
    color:#fff;
    border-color:transparent;
    transform:translateY(-2px);
  }

  /* 流程 */
  .process-list{
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    grid-template-columns:repeat(5,minmax(0,1fr));
    gap:14px;
    counter-reset:step;
  }
  .process-list li{
    position:relative;
    padding:22px 18px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow);
  }
  .process-list li::before{
    counter-increment:step;
    content:"0" counter(step);
    display:block;
    margin-bottom:10px;
    font-size:20px;
    font-weight:800;
    color:var(--pink);
    letter-spacing:.02em;
  }
  .process-list h3{
    margin:0 0 6px;
    font-size:15.5px;
  }
  .process-list p{
    margin:0;
    font-size:13.6px;
    color:var(--muted);
  }

  /* 案例 */
  .case-card{
    padding:0;
    overflow:hidden;
    display:flex;
    flex-direction:column;
  }
  .case-media{
    aspect-ratio:4/3;
    background:#fff1f6;
    border-bottom:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:center;
    padding:10px;
  }
  .case-media img{
    width:100%;
    height:100%;
    object-fit:contain;
    display:block;
  }
  .case-body{
    padding:18px 20px 22px;
  }
  .case-body h3{margin:0 0 6px;font-size:16px;}
  .case-body p{margin:0;font-size:14px;color:var(--muted);}

  /* 对比评测 */
  .rating-bar{
    display:flex;
    align-items:center;
    gap:22px;
    padding:24px 26px;
    margin-bottom:20px;
    background:linear-gradient(135deg,#fff 0%,#fff0f5 100%);
    border:1px solid #ffd3e0;
    border-radius:20px;
    box-shadow:0 16px 40px rgba(216,27,82,.12);
    flex-wrap:wrap;
  }
  .rating-score{
    display:flex;
    align-items:baseline;
    gap:4px;
    color:var(--pink-deep);
  }
  .rating-score strong{
    font-size:44px;
    line-height:1;
    letter-spacing:-.02em;
  }
  .rating-score span{
    font-size:16px;
    font-weight:700;
  }
  .rating-meta p{
    margin:0;
    font-size:15px;
    color:#4c3244;
  }
  .rating-stars{
    color:#ff2e63;
    font-size:20px;
    letter-spacing:3px;
    line-height:1.2;
    margin-bottom:4px !important;
  }
  .table-wrap{
    overflow-x:auto;
    border:1px solid var(--line);
    border-radius:18px;
    background:#fff;
    box-shadow:var(--shadow);
  }
  table{
    width:100%;
    min-width:640px;
    border-collapse:collapse;
    font-size:14.5px;
  }
  thead th{
    text-align:left;
    padding:15px 18px;
    background:#fff0f5;
    color:var(--pink-deep);
    font-weight:800;
    font-size:14px;
    white-space:nowrap;
    border-bottom:1px solid var(--line);
  }
  tbody td{
    padding:14px 18px;
    border-bottom:1px solid #ffeef4;
    color:#4c3244;
    vertical-align:top;
  }
  tbody tr:last-child td{border-bottom:0;}
  tbody td:first-child{
    color:var(--ink);
    font-weight:700;
    white-space:nowrap;
  }
  tbody td:nth-child(2){color:var(--pink-deep);font-weight:600;}
  tbody tr:hover{background:#fffafc;}

  /* 需求匹配 */
  .match-chips{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:6px;
  }
  .chip{
    padding:10px 18px;
    font-size:14px;
    font-family:inherit;
    color:#7a3550;
    background:#fff;
    border:1px solid #ffd3e0;
    border-radius:999px;
    cursor:pointer;
    transition:background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .chip:hover,.chip.active{
    background:linear-gradient(135deg,#ff2e63,#ff6b9d);
    color:#fff;
    border-color:transparent;
    transform:translateY(-2px);
    box-shadow:0 10px 22px rgba(255,46,99,.3);
  }

  /* FAQ */
  .faq-list{display:grid;gap:12px;}
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    overflow:hidden;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item[open]{
    border-color:#ffbcd1;
    box-shadow:0 12px 26px rgba(216,27,82,.1);
  }
  .faq-item summary{
    position:relative;
    padding:16px 48px 16px 18px;
    font-weight:700;
    font-size:15.5px;
    color:#2a1522;
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    position:absolute;
    right:18px;
    top:50%;
    transform:translateY(-50%);
    font-size:20px;
    font-weight:700;
    color:var(--pink-deep);
    transition:transform .25s ease;
  }
  .faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
  .faq-item p{
    margin:0;
    padding:0 18px 18px;
    font-size:14.5px;
    color:var(--muted);
  }

  /* 评论 */
  .review-card{
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .review-top{
    display:flex;
    align-items:center;
    gap:12px;
  }
  .avatar{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border-radius:50%;
    font-size:15px;
    font-weight:800;
    color:#fff;
    background:linear-gradient(135deg,#ff2e63,#ff8ab2);
    flex:0 0 auto;
  }
  .review-top h3{
    margin:0;
    font-size:15px;
  }
  .review-top span{
    display:block;
    font-size:12.8px;
    color:var(--muted);
  }
  .review-card blockquote{
    margin:0;
    font-size:14.5px;
    color:#4c3244;
    line-height:1.75;
  }
  .review-stars{
    color:#ff2e63;
    font-size:15px;
    letter-spacing:2px;
  }

  /* 文章 */
  .news-list{
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    gap:12px;
  }
  .news-list li a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:16px 20px;
    text-decoration:none;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    color:var(--ink);
    font-size:15px;
    font-weight:600;
    transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  }
  .news-list li a:hover{
    transform:translateX(4px);
    border-color:#ffbcd1;
    box-shadow:0 12px 26px rgba(216,27,82,.1);
  }
  .news-list li a::after{
    content:"→";
    color:var(--pink);
    font-weight:800;
    flex:0 0 auto;
  }

  /* 表单 */
  .contact-grid{
    display:grid;
    grid-template-columns:1.25fr .75fr;
    gap:22px;
    align-items:start;
  }
  .lead-form{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
  }
  .field{
    display:flex;
    flex-direction:column;
    gap:6px;
  }
  .field.full{grid-column:1 / -1;}
  .field label{
    font-size:13.5px;
    font-weight:700;
    color:#3d2434;
  }
  .field input,
  .field select,
  .field textarea{
    width:100%;
    padding:12px 14px;
    font-size:15px;
    font-family:inherit;
    color:var(--ink);
    background:#fffafb;
    border:1px solid #ffd2df;
    border-radius:12px;
    transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .field textarea{
    min-height:112px;
    resize:vertical;
  }
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    background:#fff;
    border-color:var(--pink);
    box-shadow:0 0 0 3px rgba(255,46,99,.14);
  }
  .form-note{
    grid-column:1 / -1;
    margin:0;
    font-size:13px;
    color:var(--muted);
  }
  .contact-side{
    display:grid;
    gap:14px;
  }
  .contact-item{
    display:flex;
    gap:12px;
    align-items:flex-start;
    padding:16px 18px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    font-size:14.5px;
    color:#43303f;
  }
  .contact-item strong{
    display:block;
    font-size:13px;
    color:var(--muted);
    font-weight:600;
    margin-bottom:2px;
  }
  .qr-box{
    text-align:center;
    padding:20px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow);
  }
  .qr-box img{
    width:160px;
    height:auto;
    display:block;
    margin:0 auto 10px;
    border-radius:12px;
  }
  .qr-box p{
    margin:0;
    font-size:13.5px;
    color:var(--muted);
  }

  /* 加盟 */
  .partner-box{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:22px;
    align-items:center;
    padding:34px;
    background:linear-gradient(135deg,#fff5f8 0%,#ffe9f0 100%);
    border:1px solid #ffcede;
    border-radius:22px;
    box-shadow:0 18px 44px rgba(216,27,82,.1);
  }
  .partner-box h2{margin-bottom:12px;}
  .partner-box p{
    margin:0 0 18px;
    font-size:15px;
    color:#4c3244;
  }
  .partner-list{
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    gap:10px;
  }
  .partner-list li{
    padding:14px 16px;
    background:#fff;
    border:1px solid #ffd3e0;
    border-radius:14px;
    font-size:14.5px;
    color:#43303f;
  }
  .partner-list li b{color:var(--pink-deep);}

  /* 页脚 */
  .site-footer{
    margin-top:20px;
    padding:44px 0 22px;
    background:#fff2f6;
    border-top:1px solid #ffd3e0;
    color:#3a2333;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:30px;
    align-items:start;
  }
  .footer-brand p{
    margin:12px 0 14px;
    font-size:14px;
    color:#5c4150;
    max-width:420px;
  }
  .footer-contact{
    list-style:none;
    margin:0;
    padding:0;
    display:grid;
    gap:6px;
    font-size:14px;
    color:#4a3340;
  }
  .footer-contact li b{color:var(--pink-deep);}
  .footer-links h3{
    margin:0 0 14px;
    font-size:16px;
    color:var(--ink);
  }
  .link-tags{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
  }
  .link-tags a{
    display:inline-block;
    padding:6px 14px;
    font-size:13.5px;
    color:#7a3550;
    text-decoration:none;
    background:#fff;
    border:1px solid #ffd3e0;
    border-radius:999px;
    transition:background .2s ease, color .2s ease, transform .2s ease;
  }
  .link-tags a:hover{
    background:linear-gradient(135deg,#ff2e63,#ff6b9d);
    color:#fff;
    border-color:transparent;
    transform:translateY(-2px);
  }
  .footer-bottom{
    margin-top:26px;
    padding-top:18px;
    border-top:1px solid #ffd3e0;
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    justify-content:space-between;
    font-size:13.5px;
    color:#5c4150;
  }
  .footer-bottom a{
    color:var(--pink-deep);
    text-decoration:none;
  }
  .footer-bottom a:hover{text-decoration:underline;}

  /* 浮动工具 */
  .float-tools{
    position:fixed;
    right:18px;
    bottom:22px;
    z-index:90;
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .float-btn{
    width:52px;
    height:52px;
    padding:0;
    border:0;
    border-radius:50%;
    font-size:13px;
    font-weight:700;
    font-family:inherit;
    color:#fff;
    background:linear-gradient(135deg,#ff2e63,#ff6b9d);
    box-shadow:0 12px 26px rgba(255,46,99,.36);
    cursor:pointer;
    transition:transform .2s ease, opacity .2s ease;
  }
  .float-btn:hover{transform:translateY(-3px);}
  #backTop{
    opacity:0;
    pointer-events:none;
    background:linear-gradient(135deg,#ff7aa6,#ffb3ca);
    font-size:18px;
  }
  #backTop.show{
    opacity:1;
    pointer-events:auto;
  }
  .kefu-panel{
    position:fixed;
    right:18px;
    bottom:86px;
    z-index:95;
    width:200px;
    padding:16px;
    text-align:center;
    background:#fff;
    border:1px solid #ffd3e0;
    border-radius:16px;
    box-shadow:0 20px 44px rgba(216,27,82,.2);
    opacity:0;
    visibility:hidden;
    transform:translateY(10px);
    transition:opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .kefu-panel.open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .kefu-panel img{
    width:150px;
    height:auto;
    display:block;
    margin:0 auto 8px;
    border-radius:10px;
  }
  .kefu-panel p{
    margin:0;
    font-size:13px;
    color:var(--muted);
  }

  /* 入场动效 */
  .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:1040px){
    .nav-links{
      display:none;
      position:absolute;
      left:0;
      right:0;
      top:100%;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      padding:8px 20px 16px;
      background:#fff;
      border-bottom:1px solid var(--line);
      box-shadow:0 16px 28px rgba(216,27,82,.12);
    }
    .nav-links.open{display:flex;}
    .nav-links a{
      padding:12px 8px;
      border-radius:0;
      border-bottom:1px solid #ffeef4;
    }
    .nav-links a:last-child{border-bottom:0;}
    .nav-toggle{display:flex;}
    .hero-inner{grid-template-columns:1fr;gap:30px;}
    .hero{padding:48px 0 18px;}
    .about-grid{grid-template-columns:1fr;}
    .process-list{grid-template-columns:repeat(2,minmax(0,1fr));}
    .contact-grid{grid-template-columns:1fr;}
    .partner-box{grid-template-columns:1fr;padding:26px;}
    .footer-grid{grid-template-columns:1fr;}
  }
  @media (max-width:860px){
    .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
    .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:620px){
    .section{padding:46px 0;}
    .grid-2,.grid-3,.grid-4,.scene-grid,.process-list{grid-template-columns:1fr;}
    .lead-form{grid-template-columns:1fr;}
    .hero{padding:40px 0 12px;}
    .hero-actions .btn{flex:1 1 auto;}
    .stat-strip{grid-template-columns:1fr;}
    .rating-bar{padding:20px;}
    .rating-score strong{font-size:36px;}
    .float-btn{width:48px;height:48px;}
    .kefu-panel{width:180px;}
    .nav-actions .btn-sm{padding:8px 14px;font-size:13px;}
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  }