:root{
      --mbzt-bg:#f6f8fc;
      --mbzt-white:#ffffff;
      --mbzt-text:#1f2937;
      --mbzt-text2:#475569;
      --mbzt-text3:#64748b;
      --mbzt-line:#e5e7eb;
      --mbzt-main:#0f766e;
      --mbzt-main-dark:#115e59;
      --mbzt-accent:#f59e0b;
      --mbzt-dark:#0f172a;
      --mbzt-soft:#ecfeff;
      --mbzt-shadow:0 10px 30px rgba(15,23,42,.06);
      --mbzt-radius:18px;
      --mbzt-width:1180px;
    }

    *{
      margin:0;
      padding:0;
      box-sizing:border-box;
    }

    html{
      scroll-behavior:smooth;
    }

    body{
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      background:var(--mbzt-bg);
      color:var(--mbzt-text);
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }

    a{
      color:inherit;
      text-decoration:none;
    }

    img{
      display:block;
      max-width:100%;
    }

    .mbzt-container{
      width:100%;
      max-width:var(--mbzt-width);
      margin:0 auto;
      padding:0 16px;
    }

    .mbzt-topbar{
      background:#0b1220;
      color:rgba(255,255,255,.9);
      font-size:13px;
      padding:10px 0;
    }

    .mbzt-topbar-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }

    .mbzt-header{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(255,255,255,.96);
      backdrop-filter:blur(14px);
      box-shadow:0 6px 20px rgba(15,23,42,.05);
      border-bottom:1px solid rgba(226,232,240,.8);
    }

    .mbzt-header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:72px;
      gap:20px;
    }

    .mbzt-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }

    .mbzt-logo-badge{
      width:42px;
      height:42px;
      border-radius:12px;
      background:linear-gradient(135deg,var(--mbzt-main),#14b8a6);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:18px;
      font-weight:700;
      box-shadow:0 10px 20px rgba(15,118,110,.22);
    }

    .mbzt-logo-text strong{
      display:block;
      font-size:20px;
      line-height:1.1;
      color:var(--mbzt-dark);
    }

    .mbzt-logo-text span{
      display:block;
      font-size:12px;
      color:var(--mbzt-text3);
      margin-top:3px;
    }

    .mbzt-nav{
      display:flex;
      align-items:center;
      gap:18px;
      flex-wrap:wrap;
    }

    .mbzt-nav a{
      color:#334155;
      font-size:15px;
      font-weight:600;
      transition:.2s ease;
    }

    .mbzt-nav a:hover{
      color:var(--mbzt-main);
    }

    .mbzt-nav-cta{
      padding:10px 16px;
      border-radius:12px;
      background:var(--mbzt-main);
      color:#fff !important;
      box-shadow:0 8px 18px rgba(15,118,110,.18);
    }

    .mbzt-nav-cta:hover{
      background:var(--mbzt-main-dark);
    }

    .mbzt-hero{
      padding:56px 0 28px;
      background:
        radial-gradient(circle at top left, rgba(20,184,166,.12), transparent 32%),
        radial-gradient(circle at top right, rgba(245,158,11,.10), transparent 28%),
        linear-gradient(180deg, #fdfefe 0%, #f6f8fc 100%);
    }

    .mbzt-hero-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:26px;
      align-items:stretch;
    }

    .mbzt-hero-main{
      background:var(--mbzt-white);
      border-radius:26px;
      padding:34px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
    }

    .mbzt-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:var(--mbzt-soft);
      color:var(--mbzt-main-dark);
      border:1px solid #c7f0ec;
      padding:8px 14px;
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      margin-bottom:18px;
    }

    .mbzt-hero h1{
      font-size:40px;
      line-height:1.28;
      color:var(--mbzt-dark);
      margin-bottom:16px;
      letter-spacing:.2px;
    }

    .mbzt-hero p{
      color:var(--mbzt-text2);
      font-size:16px;
      margin-bottom:16px;
    }

    .mbzt-hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:20px 0 24px;
    }

    .mbzt-hero-tags span{
      background:#f8fafc;
      border:1px solid #e2e8f0;
      border-radius:999px;
      padding:8px 12px;
      color:#475569;
      font-size:13px;
    }

    .mbzt-btns{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:14px;
      margin-top:8px;
    }

    .mbzt-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 22px;
      border-radius:14px;
      font-size:15px;
      font-weight:700;
      transition:.2s ease;
    }

    .mbzt-btn-primary{
      background:var(--mbzt-main);
      color:#fff;
    }

    .mbzt-btn-primary:hover{
      background:var(--mbzt-main-dark);
    }

    .mbzt-btn-secondary{
      background:#fff;
      color:var(--mbzt-dark);
      border:1px solid #dbe3ee;
    }

    .mbzt-btn-secondary:hover{
      border-color:var(--mbzt-main);
      color:var(--mbzt-main);
    }

    .mbzt-hero-side{
      display:grid;
      grid-template-rows:auto auto;
      gap:22px;
    }

    .mbzt-side-card{
      background:var(--mbzt-white);
      border-radius:24px;
      padding:28px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
    }

    .mbzt-side-card h2,
    .mbzt-side-card h3{
      color:var(--mbzt-dark);
      font-size:22px;
      margin-bottom:14px;
      line-height:1.4;
    }

    .mbzt-side-list{
      list-style:none;
    }

    .mbzt-side-list li{
      position:relative;
      padding:12px 0 12px 28px;
      color:var(--mbzt-text2);
      border-bottom:1px solid #edf2f7;
      font-size:15px;
    }

    .mbzt-side-list li:last-child{
      border-bottom:none;
      padding-bottom:0;
    }

    .mbzt-side-list li::before{
      content:"✓";
      position:absolute;
      left:0;
      top:12px;
      color:var(--mbzt-main);
      font-weight:700;
    }

    .mbzt-outline{
      display:grid;
      gap:14px;
    }

    .mbzt-outline a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 16px;
      border:1px solid #e2e8f0;
      border-radius:14px;
      background:#f8fafc;
      color:#334155;
      font-weight:600;
      transition:.2s ease;
    }

    .mbzt-outline a:hover{
      background:#fff;
      border-color:#b7ddd9;
      color:var(--mbzt-main-dark);
      transform:translateY(-1px);
    }

    .mbzt-section{
      padding:56px 0;
    }

    .mbzt-section-head{
      max-width:900px;
      margin:0 auto 30px;
      text-align:center;
    }

    .mbzt-section-head h2{
      font-size:32px;
      line-height:1.35;
      color:var(--mbzt-dark);
      margin-bottom:12px;
    }

    .mbzt-section-head p{
      color:var(--mbzt-text3);
      font-size:16px;
    }

    .mbzt-card-grid-3{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:22px;
    }

    .mbzt-card-grid-4{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:20px;
    }

    .mbzt-card{
      background:var(--mbzt-white);
      border-radius:var(--mbzt-radius);
      padding:24px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
      height:100%;
    }

    .mbzt-card h3{
      font-size:21px;
      line-height:1.5;
      color:var(--mbzt-dark);
      margin-bottom:12px;
    }

    .mbzt-card p{
      color:var(--mbzt-text2);
      font-size:15px;
    }

    .mbzt-icon{
      width:52px;
      height:52px;
      border-radius:16px;
      background:linear-gradient(135deg,#ecfeff,#f0fdfa);
      color:var(--mbzt-main);
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:22px;
      font-weight:700;
      margin-bottom:16px;
      border:1px solid #d6f4ef;
    }

    .mbzt-summary{
      background:linear-gradient(180deg,#f6fbfb 0%, #f6f8fc 100%);
    }

    .mbzt-article{
      background:var(--mbzt-white);
      border-radius:24px;
      padding:32px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
    }

    .mbzt-article h3{
      font-size:26px;
      line-height:1.45;
      color:var(--mbzt-dark);
      margin-bottom:16px;
    }

    .mbzt-article p{
      font-size:16px;
      color:var(--mbzt-text2);
      margin-bottom:16px;
    }

    .mbzt-highlight{
      background:#f8fafc;
      border:1px solid #e2e8f0;
      border-left:4px solid var(--mbzt-main);
      border-radius:16px;
      padding:18px 18px 18px 20px;
      margin:14px 0 6px;
      color:#334155;
    }

    .mbzt-criteria-item{
      position:relative;
      padding-top:4px;
    }

    .mbzt-criteria-item ul{
      list-style:none;
      margin-top:12px;
    }

    .mbzt-criteria-item li{
      position:relative;
      padding-left:22px;
      color:var(--mbzt-text2);
      font-size:14px;
      margin:8px 0;
    }

    .mbzt-criteria-item li::before{
      content:"•";
      position:absolute;
      left:8px;
      top:0;
      color:var(--mbzt-main);
      font-weight:700;
    }

    .mbzt-compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }

    .mbzt-compare-box{
      background:var(--mbzt-white);
      border-radius:20px;
      padding:26px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
    }

    .mbzt-compare-box h3{
      font-size:24px;
      color:var(--mbzt-dark);
      margin-bottom:14px;
    }

    .mbzt-compare-box p{
      color:var(--mbzt-text2);
      margin-bottom:12px;
      font-size:15px;
    }

    .mbzt-compare-list{
      list-style:none;
      margin-top:10px;
    }

    .mbzt-compare-list li{
      padding:10px 0 10px 26px;
      position:relative;
      color:#475569;
      border-bottom:1px dashed #e5e7eb;
      font-size:14px;
    }

    .mbzt-compare-list li:last-child{
      border-bottom:none;
    }

    .mbzt-compare-list li::before{
      content:"→";
      position:absolute;
      left:0;
      top:10px;
      color:var(--mbzt-main);
      font-weight:700;
    }

    .mbzt-scene-grid{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:22px;
    }

    .mbzt-scene-card{
      background:var(--mbzt-white);
      border-radius:20px;
      padding:24px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
    }

    .mbzt-scene-card h3{
      font-size:22px;
      color:var(--mbzt-dark);
      margin-bottom:12px;
    }

    .mbzt-scene-card p{
      color:var(--mbzt-text2);
      font-size:15px;
      margin-bottom:12px;
    }

    .mbzt-taglist{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }

    .mbzt-taglist span{
      padding:7px 10px;
      border-radius:999px;
      background:#f8fafc;
      border:1px solid #e2e8f0;
      color:#475569;
      font-size:12px;
    }

    .mbzt-process{
      background:var(--mbzt-dark);
      color:#fff;
      padding:62px 0;
    }

    .mbzt-process .mbzt-section-head h2,
    .mbzt-process .mbzt-section-head p{
      color:#fff;
    }

    .mbzt-step-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }

    .mbzt-step{
      position:relative;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      padding:26px 20px;
      min-height:220px;
    }

    .mbzt-step-num{
      width:54px;
      height:54px;
      border-radius:50%;
      background:#14b8a6;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:18px;
      font-weight:700;
      margin-bottom:14px;
      box-shadow:0 8px 18px rgba(20,184,166,.25);
    }

    .mbzt-step h3{
      font-size:20px;
      margin-bottom:10px;
      line-height:1.45;
    }

    .mbzt-step p{
      font-size:14px;
      color:rgba(255,255,255,.82);
    }

    .mbzt-faq-wrap{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:20px;
    }

    .mbzt-faq{
      background:var(--mbzt-white);
      border-radius:18px;
      padding:22px;
      box-shadow:var(--mbzt-shadow);
      border:1px solid rgba(226,232,240,.8);
      height:100%;
    }

    .mbzt-faq h3{
      font-size:20px;
      line-height:1.5;
      color:var(--mbzt-dark);
      margin-bottom:10px;
    }

    .mbzt-faq p{
      color:var(--mbzt-text2);
      font-size:15px;
    }

    .mbzt-conclusion{
      background:linear-gradient(135deg,var(--mbzt-main),var(--mbzt-main-dark));
      color:#fff;
      border-radius:26px;
      padding:36px 30px;
      box-shadow:0 16px 36px rgba(15,118,110,.22);
    }

    .mbzt-conclusion h2{
      font-size:32px;
      line-height:1.4;
      margin-bottom:14px;
    }

    .mbzt-conclusion p{
      font-size:16px;
      color:rgba(255,255,255,.94);
      margin-bottom:16px;
    }

    .mbzt-conclusion .mbzt-btn-primary{
      background:#fff;
      color:var(--mbzt-main);
    }

    .mbzt-conclusion .mbzt-btn-primary:hover{
      background:#f8fafc;
    }

    .mbzt-conclusion .mbzt-btn-secondary{
      background:transparent;
      color:#fff;
      border-color:rgba(255,255,255,.35);
    }

    .mbzt-footer{
      margin-top:56px;
      background:#0b1220;
      color:rgba(255,255,255,.82);
      padding:40px 0 96px;
    }

    .mbzt-footer-grid{
      display:grid;
      grid-template-columns:1.3fr .9fr .9fr;
      gap:24px;
    }

    .mbzt-footer h3{
      color:#fff;
      font-size:18px;
      margin-bottom:12px;
    }

    .mbzt-footer p,
    .mbzt-footer li,
    .mbzt-footer a{
      color:rgba(255,255,255,.78);
      font-size:14px;
    }

    .mbzt-footer ul{
      list-style:none;
    }

    .mbzt-footer li{
      margin-bottom:10px;
    }

    .mbzt-copyright{
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      font-size:13px;
      text-align:center;
      color:rgba(255,255,255,.62);
    }

    .mbzt-fixedbar{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:120;
      background:rgba(15,23,42,.96);
      backdrop-filter:blur(10px);
      box-shadow:0 -10px 30px rgba(0,0,0,.16);
      border-top:1px solid rgba(255,255,255,.06);
    }

    .mbzt-fixedbar-inner{
      max-width:var(--mbzt-width);
      margin:0 auto;
      padding:12px 16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }

    .mbzt-fixedbar-text{
      color:#fff;
      font-size:14px;
    }

    .mbzt-fixedbar-text strong{
      color:#5eead4;
      margin-right:8px;
    }

    .mbzt-fixedbar-btns{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }

    .mbzt-fixedbar-btns a{
      min-width:132px;
      text-align:center;
      padding:11px 16px;
      border-radius:12px;
      font-size:14px;
      font-weight:700;
      transition:.2s ease;
    }

    .mbzt-fixedbar-btns .mbzt-fixed-a{
      background:#14b8a6;
      color:#fff;
    }

    .mbzt-fixedbar-btns .mbzt-fixed-b{
      background:#fbbf24;
      color:#111827;
    }

    .mbzt-fixedbar-btns a:hover{
      transform:translateY(-1px);
    }

    @media (max-width: 1100px){
      .mbzt-hero-grid,
      .mbzt-card-grid-4,
      .mbzt-step-grid{
        grid-template-columns:repeat(2, 1fr);
      }

      .mbzt-card-grid-3{
        grid-template-columns:repeat(2, 1fr);
      }

      .mbzt-hero h1{
        font-size:34px;
      }
    }

    @media (max-width: 860px){
      .mbzt-header-inner{
        flex-direction:column;
        align-items:flex-start;
        padding:14px 0;
      }

      .mbzt-nav{
        gap:14px;
        overflow:auto;
        width:100%;
        padding-bottom:2px;
        white-space:nowrap;
        flex-wrap:nowrap;
      }

      .mbzt-nav a{
        min-width:max-content;
      }

      .mbzt-hero-grid,
      .mbzt-card-grid-3,
      .mbzt-card-grid-4,
      .mbzt-compare,
      .mbzt-scene-grid,
      .mbzt-step-grid,
      .mbzt-faq-wrap,
      .mbzt-footer-grid{
        grid-template-columns:1fr;
      }

      .mbzt-hero-main,
      .mbzt-side-card,
      .mbzt-article{
        padding:24px;
      }

      .mbzt-hero{
        padding-top:34px;
      }

      .mbzt-hero h1{
        font-size:28px;
      }

      .mbzt-section{
        padding:44px 0;
      }

      .mbzt-section-head h2,
      .mbzt-conclusion h2{
        font-size:25px;
      }

      .mbzt-fixedbar-inner{
        flex-direction:column;
        align-items:stretch;
      }

      .mbzt-fixedbar-btns{
        width:100%;
      }

      .mbzt-fixedbar-btns a{
        flex:1;
      }
    }