:root{
      --bg:#fff8f6;
      --bg2:#fff;
      --card:#ffffff;
      --text:#18212f;
      --muted:#5c6b7f;
      --line:#eadfda;
      --brand:#ff4d6d;
      --brand2:#7c5cff;
      --accent:#ffb703;
      --green:#17b26a;
      --shadow:0 18px 50px rgba(26, 35, 58, .08);
      --shadow2:0 12px 24px rgba(255, 77, 109, .12);
      --radius:20px;
      --radius2:28px;
      --container:1180px;
    }
    *{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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(255,77,109,.12), transparent 22%),
        radial-gradient(circle at 85% 12%, rgba(124,92,255,.10), transparent 18%),
        linear-gradient(180deg, #fffaf8 0%, #fff 46%, #fff7f3 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header, main, footer{position:relative}
    .topbar{
      position:sticky; top:0; z-index:60;
      backdrop-filter:saturate(140%) blur(14px);
      background:rgba(255,255,255,.8);
      border-bottom:1px solid rgba(234,223,218,.88);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; object-fit:contain; flex:none}
    .brand .name{font-weight:800; letter-spacing:.5px; font-size:18px; white-space:nowrap}
    .brand .sub{font-size:12px; color:var(--muted); white-space:nowrap}
    .menu{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .menu a{font-size:14px; color:#223049; padding:8px 10px; border-radius:999px; transition:.2s ease}
    .menu a:hover{background:#fff0f3; color:var(--brand)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:12px 18px; border-radius:999px; border:1px solid transparent;
      font-weight:700; transition:.22s ease; cursor:pointer; white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-1px); box-shadow:0 18px 30px rgba(255,77,109,.18)}
    .btn-ghost{background:#fff; color:var(--text); border-color:var(--line)}
    .btn-ghost:hover{border-color:#ffc0cc; color:var(--brand); transform:translateY(-1px)}
    .nav-toggle{display:none; width:44px; height:44px; border:1px solid var(--line); background:#fff; border-radius:12px; align-items:center; justify-content:center}
    .nav-toggle span{display:block; width:18px; height:2px; background:#223049; position:relative}
    .nav-toggle span::before,.nav-toggle span::after{content:""; position:absolute; left:0; width:18px; height:2px; background:#223049}
    .nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
    .hero{padding:56px 0 24px}
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:22px; align-items:stretch;
    }
    .hero-main{
      background:
        linear-gradient(135deg, rgba(255,77,109,.11), rgba(124,92,255,.10)),
        linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.82));
      border:1px solid rgba(255,255,255,.8);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:32px;
      position:relative; overflow:hidden;
    }
    .hero-main::before,.hero-main::after{
      content:""; position:absolute; border-radius:999px; filter:blur(4px); pointer-events:none;
    }
    .hero-main::before{width:180px;height:180px;background:rgba(255,77,109,.12); right:-40px; top:-40px}
    .hero-main::after{width:140px;height:140px;background:rgba(124,92,255,.12); right:70px; bottom:-55px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      padding:7px 12px; border-radius:999px; background:#fff; border:1px solid var(--line);
      color:var(--brand); font-weight:700; font-size:13px;
    }
    h1{font-size:clamp(32px,5vw,56px); line-height:1.08; margin:16px 0 14px}
    .hero p{margin:0; color:var(--muted); font-size:16px; max-width:62ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:26px}
    .pill-card{
      background:rgba(255,255,255,.78); border:1px solid rgba(234,223,218,.92); border-radius:18px;
      padding:14px 16px; box-shadow:0 10px 20px rgba(26,35,58,.04)
    }
    .pill-card strong{display:block; font-size:16px}
    .pill-card span{display:block; color:var(--muted); font-size:13px; margin-top:2px}
    .hero-side{
      display:grid; gap:16px;
    }
    .side-card{
      background:#fff; border:1px solid var(--line); border-radius:24px; padding:20px; box-shadow:var(--shadow);
    }
    .side-card h2,.section-title h2{margin:0}
    .side-card h3{margin:0 0 10px; font-size:18px}
    .metrics{
      display:grid; grid-template-columns:repeat(2,1fr); gap:12px;
    }
    .metric{
      background:linear-gradient(180deg,#fff,#fff8f7); border:1px solid #f1dfdb; border-radius:18px; padding:16px;
    }
    .metric b{font-size:24px; display:block; color:#172033}
    .metric span{font-size:13px; color:var(--muted)}
    .side-list{list-style:none; padding:0; margin:14px 0 0; display:grid; gap:10px}
    .side-list li{display:flex; gap:10px; align-items:flex-start; color:#223049}
    .dot{width:10px;height:10px;border-radius:50%; background:linear-gradient(135deg,var(--brand),var(--brand2)); margin-top:8px; flex:none}
    section{padding:20px 0}
    .section-head{
      display:flex; align-items:end; justify-content:space-between; gap:12px; margin-bottom:16px;
    }
    .section-title h2{font-size:clamp(24px,3vw,36px)}
    .section-title p{margin:6px 0 0; color:var(--muted)}
    .section-badge{font-size:13px; color:var(--brand); font-weight:700}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .card{
      background:rgba(255,255,255,.9);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:20px;
      box-shadow:0 10px 24px rgba(16, 24, 40, .05);
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:0 18px 36px rgba(16,24,40,.08); border-color:#ffd0d8}
    .icon{
      width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,rgba(255,77,109,.12),rgba(124,92,255,.12));
      color:var(--brand); font-weight:800; margin-bottom:14px;
    }
    .card h3{margin:0 0 8px; font-size:18px}
    .card p{margin:0; color:var(--muted)}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tag{
      padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line);
      color:#31425d; font-size:13px;
    }
    .workflow{
      display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
    }
    .step{
      background:linear-gradient(180deg,#fff,#fff7f5);
      border:1px solid #f1dfdb;
      border-radius:24px;
      padding:20px;
      position:relative;
    }
    .step .num{
      width:38px;height:38px;border-radius:12px; display:inline-flex; align-items:center; justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; font-weight:800; margin-bottom:14px;
    }
    .table-wrap{overflow-x:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:16px 14px; text-align:left; border-bottom:1px solid #f0e6e2; vertical-align:top}
    th{background:#fff7f6; color:#1d2a3d}
    td{color:#2c3c52}
    .score{font-weight:800; color:var(--brand)}
    .section-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,248,246,.9));
      border:1px solid var(--line);
      border-radius:30px;
      padding:22px;
      box-shadow:var(--shadow);
    }
    .accordion{display:grid; gap:12px}
    details{
      background:#fff; border:1px solid var(--line); border-radius:18px; padding:0 16px; box-shadow:0 8px 20px rgba(16,24,40,.04)
    }
    summary{
      cursor:pointer; list-style:none; padding:16px 0; font-weight:700; color:#203047;
    }
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px; color:var(--muted)}
    .reviews,.cases,.articles{display:grid; gap:16px}
    .review-card{
      background:#fff; border:1px solid var(--line); border-radius:22px; padding:20px; box-shadow:0 10px 24px rgba(16,24,40,.05)
    }
    .review-head{display:flex; justify-content:space-between; gap:10px; align-items:center; margin-bottom:10px}
    .review-head strong{font-size:16px}
    .stars{color:#ff9f1c; letter-spacing:2px}
    .case-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:16px}
    .case-card{border-radius:24px; overflow:hidden; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow)}
    .case-card .body{padding:18px}
    .case-card img{width:100%; aspect-ratio:16/9; object-fit:cover}
    .article-list{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .article-item{padding:18px; border-radius:20px; background:#fff; border:1px solid var(--line); box-shadow:0 10px 20px rgba(16,24,40,.05)}
    .article-item small{color:var(--brand); font-weight:700}
    .article-item h3{margin:10px 0 8px}
    .article-item p{margin:0; color:var(--muted)}
    .form-wrap{
      display:grid; grid-template-columns:1fr .8fr; gap:16px; align-items:start;
    }
    form{
      background:#fff; border:1px solid var(--line); border-radius:28px; padding:22px; box-shadow:var(--shadow)
    }
    .form-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
    label{display:block; font-size:14px; font-weight:700; margin-bottom:8px; color:#233044}
    input,select,textarea{
      width:100%; padding:13px 14px; border:1px solid #ddddd8; border-radius:14px; background:#fff;
      font:inherit; color:var(--text); outline:none; transition:border-color .2s ease, box-shadow .2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#ff8ea1; box-shadow:0 0 0 4px rgba(255,77,109,.08)}
    textarea{min-height:128px; resize:vertical}
    .full{grid-column:1/-1}
    .help-box{
      background:linear-gradient(135deg, rgba(255,77,109,.08), rgba(124,92,255,.08));
      border:1px solid #f0dfe0; border-radius:28px; padding:22px;
    }
    .help-box ul{margin:12px 0 0; padding-left:18px; color:#2b3c54}
    .footer-links,.site-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a,.site-links a{padding:8px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; font-size:13px; color:#2a3a54}
    footer{
      margin-top:10px;
      background:#121a2a;
      color:#edf2fb;
    }
    .footer-inner{padding:28px 0 24px}
    .footer-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:18px}
    .footer-card{
      background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.08); border-radius:22px; padding:18px;
    }
    .footer-card h3,.footer-card p,.footer-card a{color:#edf2fb}
    .footer-card p{color:#c6d0e2}
    .copyright{
      margin-top:16px; padding-top:16px; border-top:1px solid rgba(255,255,255,.08); color:#b8c3d6; font-size:13px;
    }
    .floating{
      position:fixed; right:18px; bottom:18px; z-index:70; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:16px; display:flex; align-items:center; justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:var(--shadow2);
      border:none; cursor:pointer; font-weight:800;
    }
    .float-panel{
      position:fixed; right:18px; bottom:82px; z-index:69; width:min(320px, calc(100vw - 36px));
      background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow); padding:16px; display:none;
    }
    .float-panel.show{display:block; animation:fadeUp .22s ease}
    .float-panel img{width:100%; border-radius:16px}
    .float-panel p{margin:10px 0 0; color:var(--muted); font-size:14px}
    .reveal{opacity:0; transform:translateY(18px); transition:.55s ease}
    .reveal.visible{opacity:1; transform:none}
    .mobile-only{display:none}
    @keyframes fadeUp{from{opacity:0; transform:translateY(10px)}to{opacity:1; transform:none}}
    @media (max-width: 980px){
      .hero-grid,.form-wrap,.case-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.grid-3,.workflow,.article-list{grid-template-columns:repeat(2,1fr)}
      .hero-points{grid-template-columns:1fr}
      .menu{display:none}
      .nav-toggle{display:inline-flex}
      .nav.open .menu{
        display:flex; position:absolute; left:16px; right:16px; top:68px; flex-direction:column; align-items:flex-start;
        padding:14px; background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow)
      }
      .nav.open .nav-actions{display:none}
      .mobile-only{display:inline-flex}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .hero{padding-top:26px}
      .hero-main,.side-card,.card,.step,.review-card,.article-item,.help-box,form,.section-panel{padding:18px}
      .grid-4,.grid-3,.workflow,.article-list,.form-grid,.metrics{grid-template-columns:1fr}
      .section-head{align-items:flex-start; flex-direction:column}
      .nav{padding:10px 0}
      .brand .sub{display:none}
      h1{font-size:30px}
    }