:root{
      --bg: #f7f5ff;
      --surface: rgba(255,255,255,.78);
      --surface-2:#ffffff;
      --text:#171a23;
      --muted:#4b5566;
      --muted-2:#6b7280;
      --border: rgba(20, 25, 40, .10);
      --shadow: 0 10px 30px rgba(16,24,40,.10);
      --shadow-2: 0 6px 18px rgba(16,24,40,.10);
      --primary:#ff2e63;
      --primary-2:#6d4aff;
      --primary-3:#00c2ff;
      --ok:#0ea5e9;
      --warn:#f59e0b;
      --good:#16a34a;
      --radius-xl: 22px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 10px;
      --container: 1120px;
    }
    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans SC", "Noto Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 15% 0%, rgba(109,74,255,.18), transparent 55%),
        radial-gradient(900px 600px at 85% 10%, rgba(255,46,99,.16), transparent 55%),
        radial-gradient(700px 500px at 55% 85%, rgba(0,194,255,.12), transparent 50%),
        linear-gradient(180deg, #fbfafc 0%, var(--bg) 45%, #f5f7ff 100%);
      overflow-x:hidden;
    }
    a{ color:inherit; text-decoration:none; }
    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .topbar{
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(10px);
      background: rgba(247,245,255,.72);
      border-bottom: 1px solid rgba(20,25,40,.08);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width: 220px;
    }
    .brand img{
      width: 42px;
      height: 42px;
      object-fit: contain;
      border-radius: 12px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(20,25,40,.08);
      box-shadow: 0 8px 18px rgba(109,74,255,.12);
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      line-height:1.05;
    }
    .brand-title strong{
      font-size: 14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size: 12px;
      color: var(--muted-2);
    }

    .nav-right{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links{
      display:flex;
      gap: 14px;
      align-items:center;
      flex-wrap:wrap;
    }
    .nav-links a{
      font-size: 13px;
      color: #23283a;
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: transform .18s ease, background .18s ease, border-color .18s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,255,255,.7);
      border-color: rgba(20,25,40,.10);
      transform: translateY(-1px);
    }

    .nav-cta{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding: 10px 14px;
      border-radius: 14px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.75);
      color: #1c2337;
      font-weight: 650;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
    }
    .btn:active{ transform: translateY(1px); }
    .btn:hover{
      box-shadow: 0 10px 26px rgba(16,24,40,.12);
      background: rgba(255,255,255,.92);
      border-color: rgba(20,25,40,.14);
    }
    .btn-primary{
      border: 1px solid rgba(255,46,99,.30);
      background: linear-gradient(135deg, rgba(255,46,99,.95), rgba(109,74,255,.92));
      color: #fff;
      box-shadow: 0 14px 34px rgba(255,46,99,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 46px rgba(255,46,99,.28);
      filter:saturate(1.05);
    }
    .btn-ghost{
      background: rgba(255,255,255,.55);
    }

    .menu-btn{
      display:none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.7);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
    }
    .menu-btn:hover{
      box-shadow: 0 10px 22px rgba(16,24,40,.12);
      background: rgba(255,255,255,.9);
      transform: translateY(-1px);
    }
    .burger{
      width: 18px;
      height: 12px;
      margin: 0 auto;
      position: relative;
    }
    .burger span{
      position:absolute;
      left:0; right:0;
      height:2px;
      background: #1f2a44;
      border-radius: 2px;
      transition: transform .2s ease, top .2s ease, opacity .2s ease;
    }
    .burger span:nth-child(1){ top:0; }
    .burger span:nth-child(2){ top:5px; }
    .burger span:nth-child(3){ top:10px; }

    .mobile-panel{
      display:none;
      padding: 10px 0 16px;
      border-top: 1px solid rgba(20,25,40,.08);
    }
    .mobile-panel .mobile-links{
      display:flex;
      flex-direction:column;
      gap:8px;
      padding-top: 10px;
    }
    .mobile-panel a{
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      font-weight: 650;
      font-size: 14px;
    }
    .mobile-panel .mobile-cta{
      display:flex;
      gap:12px;
      padding-top: 12px;
      flex-wrap:wrap;
    }

    .hero{
      padding: 28px 0 22px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-card{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(20,25,40,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(255,255,255,.62));
      box-shadow: var(--shadow);
      position: relative;
      overflow:hidden;
      padding: 22px;
      min-height: 360px;
    }
    .hero-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(700px 420px at 15% 10%, rgba(255,46,99,.28), transparent 55%),
        radial-gradient(560px 380px at 92% 25%, rgba(109,74,255,.25), transparent 50%),
        radial-gradient(520px 360px at 40% 90%, rgba(0,194,255,.20), transparent 55%);
      pointer-events:none;
      opacity:.95;
    }
    .hero-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap: 14px;
      height:100%;
    }

    .badge-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      font-size: 13px;
      font-weight: 650;
      color:#23283a;
    }
    .dot{
      width:10px;height:10px;border-radius:50%;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 10px 18px rgba(255,46,99,.22);
    }
    .hero-title{
      margin:0;
      font-size: 38px;
      letter-spacing:-.5px;
      line-height:1.08;
    }
    .hero-sub{
      margin:0;
      color: var(--muted);
      font-size: 15px;
      line-height:1.7;
      max-width: 60ch;
    }
    .hero-actions{
      display:flex;
      gap: 12px;
      align-items:center;
      flex-wrap:wrap;
      padding-top: 6px;
    }
    .micro-list{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      padding-top: 6px;
      align-items:center;
    }
    .micro{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.7);
      min-width: 210px;
    }
    .micro svg{
      flex:0 0 auto;
      margin-top: 2px;
    }
    .micro strong{
      display:block;
      font-size: 13px;
      letter-spacing:.1px;
    }
    .micro span{
      display:block;
      color: var(--muted-2);
      font-size: 12.5px;
      margin-top: 4px;
      line-height:1.5;
    }

    .hero-side{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.66);
      box-shadow: var(--shadow-2);
      overflow:hidden;
      position:relative;
      padding: 16px;
      min-height: 360px;
    }
    .hero-side::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        linear-gradient(135deg, rgba(255,46,99,.18), transparent 48%),
        linear-gradient(315deg, rgba(0,194,255,.14), transparent 50%);
      pointer-events:none;
      opacity:.9;
    }
    .side-inner{
      position:relative;
      display:flex;
      flex-direction:column;
      gap:12px;
      height:100%;
    }
    .side-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .side-head h2{
      margin:0;
      font-size: 16px;
      letter-spacing:-.2px;
    }
    .chip{
      font-size: 12px;
      color:#23283a;
      font-weight: 750;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.74);
      white-space:nowrap;
    }
    .data-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      padding-top: 4px;
    }
    .data-card{
      border-radius: 18px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      padding: 12px 12px 10px;
      transition: transform .18s ease, box-shadow .18s ease;
      position:relative;
      overflow:hidden;
    }
    .data-card::after{
      content:"";
      position:absolute;
      inset:auto -40px -60px auto;
      width:140px;height:140px;
      background: radial-gradient(circle at 30% 30%, rgba(255,46,99,.25), transparent 60%);
      transform: rotate(12deg);
      pointer-events:none;
      opacity:.7;
    }
    .data-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(16,24,40,.14);
    }
    .data-card strong{
      display:block;
      font-size: 20px;
      letter-spacing:-.2px;
    }
    .data-card span{
      display:block;
      margin-top: 6px;
      font-size: 12.5px;
      color: var(--muted-2);
      line-height:1.4;
      position:relative;
      z-index:1;
    }
    .side-list{
      display:flex;
      flex-direction:column;
      gap:10px;
      padding-top: 6px;
    }
    .side-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.65);
    }
    .side-item .tag{
      flex:0 0 auto;
      width: 36px;
      height:36px;
      border-radius: 14px;
      display:flex;
      align-items:center;
      justify-content:center;
      border: 1px solid rgba(20,25,40,.10);
      background: linear-gradient(135deg, rgba(109,74,255,.18), rgba(255,46,99,.14));
    }
    .side-item strong{
      display:block;
      font-size: 13.5px;
      letter-spacing:.1px;
    }
    .side-item span{
      display:block;
      margin-top: 4px;
      color: var(--muted-2);
      font-size: 12.5px;
      line-height:1.55;
    }

    .section{
      padding: 26px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 14px;
      margin-bottom: 14px;
    }
    .section-head h2{
      margin:0;
      font-size: 22px;
      letter-spacing:-.35px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.6;
      max-width: 62ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 14px;
    }

    .card{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 24px rgba(16,24,40,.08);
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      position:relative;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(16,24,40,.14);
      border-color: rgba(20,25,40,.14);
    }
    .card-pad{ padding: 16px; }
    .card-title{
      display:flex;
      gap: 12px;
      align-items:flex-start;
      margin-bottom: 10px;
    }
    .icon{
      width: 42px;height:42px;
      border-radius: 16px;
      border: 1px solid rgba(20,25,40,.10);
      background:
        linear-gradient(135deg, rgba(255,46,99,.18), rgba(109,74,255,.18)),
        rgba(255,255,255,.65);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
    }
    .card-title strong{
      display:block;
      font-size: 15.5px;
      letter-spacing:-.2px;
    }
    .card-title span{
      display:block;
      color: var(--muted-2);
      font-size: 12.8px;
      margin-top: 4px;
      line-height:1.5;
    }
    .list{
      margin: 0;
      padding-left: 18px;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.8;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 14px;
    }
    .step{
      padding: 16px;
      position:relative;
      background:
        linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.60));
      border-radius: var(--radius-lg);
      border: 1px solid rgba(20,25,40,.10);
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute;
      inset:-2px -2px auto -2px;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--primary-3));
      opacity:.9;
    }
    .step-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap: 12px;
      padding-top: 6px;
      position:relative;
    }
    .step-num{
      font-weight: 900;
      font-size: 12px;
      letter-spacing:.8px;
      color:#1d2437;
      background: rgba(255,255,255,.75);
      border: 1px solid rgba(20,25,40,.10);
      padding: 8px 10px;
      border-radius: 999px;
    }
    .step h3{
      margin: 10px 0 6px;
      font-size: 15px;
      letter-spacing:-.25px;
      position:relative;
    }
    .step p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
      position:relative;
    }

    .compare-wrap{
      border-radius: var(--radius-xl);
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow-2);
      overflow:hidden;
    }
    .compare-head{
      padding: 16px 16px 0;
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 14px;
    }
    .compare-head .score{
      display:flex;
      align-items:center;
      gap: 10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .stars{
      display:flex;
      gap: 3px;
      align-items:center;
    }
    .star{
      width: 18px;height:18px;
      fill: rgba(255,46,99,.95);
      filter: drop-shadow(0 6px 10px rgba(255,46,99,.2));
    }
    .score strong{
      font-size: 24px;
      letter-spacing:-.2px;
    }
    .score span{
      color: var(--muted-2);
      font-size: 12.8px;
    }

    .compare-table{
      width:100%;
      border-collapse: collapse;
      margin-top: 12px;
      overflow:auto;
    }
    .compare-table-wrap{
      overflow:auto;
      border-top: 1px solid rgba(20,25,40,.08);
    }
    .compare-table th, .compare-table td{
      padding: 14px 14px;
      border-bottom: 1px solid rgba(20,25,40,.08);
      vertical-align:top;
      text-align:left;
      font-size: 13.5px;
      line-height:1.6;
      white-space:nowrap;
    }
    .compare-table th{
      background: rgba(247,245,255,.78);
      font-weight: 800;
      color:#1b2336;
      position:sticky;
      top:0;
      z-index:1;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.7);
      font-weight: 750;
      font-size: 12.5px;
    }
    .check{
      width: 16px;height:16px;
      border-radius: 6px;
      background: rgba(22,163,74,.14);
      border: 1px solid rgba(22,163,74,.24);
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }
    .x{
      width: 16px;height:16px;
      border-radius: 6px;
      background: rgba(245,158,11,.14);
      border: 1px solid rgba(245,158,11,.24);
      display:inline-flex;
      align-items:center;
      justify-content:center;
    }

    .seg{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .seg button{
      appearance:none;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      padding: 10px 12px;
      border-radius: 14px;
      font-weight: 800;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
      font-size: 13px;
      color:#1f2a44;
    }
    .seg button:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(16,24,40,.10);
      background: rgba(255,255,255,.92);
      border-color: rgba(20,25,40,.14);
    }
    .seg button[aria-pressed="true"]{
      background: linear-gradient(135deg, rgba(255,46,99,.95), rgba(109,74,255,.92));
      border-color: rgba(255,46,99,.35);
      color:#fff;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .time-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: 18px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.70);
      position:relative;
      overflow:hidden;
    }
    .time-dot{
      width: 40px; height:40px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(109,74,255,.18), rgba(0,194,255,.16));
      border: 1px solid rgba(20,25,40,.10);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .time-item strong{
      display:block;
      font-size: 14.5px;
      letter-spacing:-.2px;
    }
    .time-item span{
      display:block;
      color: var(--muted);
      font-size: 13.2px;
      margin-top: 5px;
      line-height:1.65;
    }

    .review-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .review{
      padding: 16px;
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-height: 220px;
    }
    .review-top{
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between;
    }
    .avatar{
      width: 44px;height:44px;border-radius: 18px;
      border: 1px solid rgba(20,25,40,.10);
      background:
        radial-gradient(circle at 30% 25%, rgba(255,46,99,.20), transparent 55%),
        radial-gradient(circle at 70% 65%, rgba(109,74,255,.18), transparent 55%),
        rgba(255,255,255,.72);
      display:flex;align-items:center;justify-content:center;
      font-weight: 900;
      color:#1f2a44;
    }
    .review strong{
      display:block;
      font-size: 14.5px;
      letter-spacing:-.2px;
    }
    .review small{
      color: var(--muted-2);
      font-size: 12.8px;
      display:block;
      margin-top: 4px;
    }
    .review p{
      margin:0;
      color: var(--muted);
      font-size: 13.6px;
      line-height:1.8;
    }

    .case-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 14px;
    }
    .case{
      padding: 14px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .case h3{
      margin:0;
      font-size: 15px;
      letter-spacing:-.2px;
    }
    .meta-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .meta{
      font-size: 12.5px;
      color: var(--muted-2);
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.68);
      padding: 7px 10px;
      border-radius: 999px;
      white-space:nowrap;
    }
    .case .desc{
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.75;
      margin:0;
    }
    .case-imgwrap{
      border-radius: 18px;
      overflow:hidden;
      border: 1px solid rgba(20,25,40,.08);
      background: rgba(255,255,255,.64);
    }
    .case-imgwrap img{
      width:100%;
      height:auto;
      display:block;
      object-fit: cover;
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items:start;
    }
    .article-list{
      padding: 16px;
    }
    .article-list .row{
      display:flex;
      flex-direction:column;
      gap:10px;
      padding-top: 6px;
    }
    .article-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding: 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.70);
      transition: transform .16s ease, box-shadow .16s ease;
    }
    .article-item:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(16,24,40,.12);
    }
    .article-item .k{
      width: 34px;height:34px;border-radius: 14px;
      border: 1px solid rgba(20,25,40,.10);
      background: linear-gradient(135deg, rgba(255,46,99,.18), rgba(0,194,255,.14));
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      font-weight: 900;
      color:#1f2a44;
    }
    .article-item strong{
      display:block;
      font-size: 13.8px;
      letter-spacing:-.15px;
      line-height:1.35;
    }
    .article-item span{
      display:block;
      margin-top: 4px;
      font-size: 12.6px;
      color: var(--muted-2);
      line-height:1.5;
    }
    .article-item a{
      align-self:flex-start;
      margin-left:auto;
      white-space:nowrap;
      color: #4f46e5;
      font-weight: 800;
      font-size: 13px;
    }

    .quick-form{
      padding: 16px;
    }
    form{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      align-items:start;
      padding-top: 6px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap: 7px;
      min-width:0;
    }
    .field label{
      font-size: 12.6px;
      color: var(--muted-2);
      font-weight: 750;
      white-space:nowrap;
    }
    input, select, textarea{
      width:100%;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(20,25,40,.12);
      background: rgba(255,255,255,.78);
      color: var(--text);
      outline: none;
      font-size: 14px;
      transition: box-shadow .15s ease, border-color .15s ease, transform .15s ease;
    }
    textarea{ min-height: 98px; resize: vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(109,74,255,.45);
      box-shadow: 0 0 0 4px rgba(109,74,255,.14);
    }
    .span-2{ grid-column: span 2; }
    .submit-row{
      display:flex;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      grid-column: span 2;
      padding-top: 2px;
      flex-wrap:wrap;
    }
    .hint{
      color: var(--muted-2);
      font-size: 12.8px;
      line-height:1.5;
      max-width: 52ch;
    }
    .form-note{
      border-radius: 16px;
      border: 1px dashed rgba(20,25,40,.18);
      padding: 10px 12px;
      background: rgba(255,255,255,.55);
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
      grid-column: span 2;
    }

    .faq{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:start;
    }
    details{
      border-radius: var(--radius-lg);
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.70);
      padding: 10px 12px;
      box-shadow: 0 10px 24px rgba(16,24,40,.07);
      transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
    }
    details[open]{
      border-color: rgba(109,74,255,.40);
      box-shadow: 0 18px 40px rgba(16,24,40,.14);
      transform: translateY(-2px);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      gap: 10px;
      padding: 10px 6px;
      font-weight: 850;
      letter-spacing:-.2px;
      font-size: 14px;
    }
    summary::-webkit-details-marker{ display:none; }
    .chev{
      width: 22px;height:22px;border-radius: 10px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      display:flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      margin-top: 1px;
      transition: transform .2s ease;
    }
    details[open] .chev{ transform: rotate(180deg); }
    .faq-body{
      padding: 0 6px 12px 6px;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.8;
    }

    .tag-cloud{
      padding: 16px;
    }
    .cloud{
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      padding-top: 8px;
    }
    .cloud a{
      border-radius: 999px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.70);
      padding: 9px 12px;
      font-size: 13px;
      color:#23283a;
      font-weight: 750;
      transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
    }
    .cloud a:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(16,24,40,.12);
      background: rgba(255,255,255,.92);
    }

    .footer{
      padding: 20px 0 26px;
      border-top: 1px solid rgba(20,25,40,.08);
      background: rgba(255,255,255,.55);
      margin-top: 10px;
    }
    .footer-grid{
      display:flex;
      justify-content:space-between;
      gap: 14px;
      flex-wrap:wrap;
      align-items:flex-start;
    }
    .footer-left{
      display:flex;
      flex-direction:column;
      gap: 10px;
      max-width: 520px;
    }
    .foot-links{
      display:flex;
      gap: 10px;
      flex-wrap:wrap;
      align-items:center;
    }
    .foot-links a{
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.72);
      font-weight: 800;
      font-size: 13px;
    }
    .copyright{
      color: var(--muted-2);
      font-size: 12.8px;
      line-height:1.6;
    }
    .footer-right{
      display:flex;
      flex-direction:column;
      gap: 10px;
      align-items:flex-end;
      min-width: 260px;
    }
    .socialline{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap; justify-content:flex-end;
    }
    .smalllink{
      color:#4f46e5;
      font-weight: 850;
      font-size: 13px;
    }

    .float-客服{
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 70;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
      pointer-events:none;
    }
    .float-客服 a{
      pointer-events:auto;
    }
    .float-btn{
      width: 54px; height:54px;
      border-radius: 20px;
      border: 1px solid rgba(20,25,40,.10);
      background: linear-gradient(135deg, rgba(255,46,99,.95), rgba(109,74,255,.92));
      box-shadow: 0 18px 42px rgba(255,46,99,.25);
      display:flex; align-items:center; justify-content:center;
      transition: transform .15s ease, filter .15s ease;
    }
    .float-btn:hover{ transform: translateY(-2px); filter:saturate(1.05); }
    .float-btn svg{ fill:#fff; }
    .float-pop{
      display:none;
      padding: 12px;
      border-radius: 18px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.86);
      box-shadow: 0 18px 45px rgba(16,24,40,.18);
      width: 240px;
    }
    .float-pop .pop-head{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .float-pop strong{ font-size: 13.8px; }
    .float-pop .close{
      width: 34px;height:34px;border-radius: 14px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.75);
      cursor:pointer;
    }
    .float-pop .qr{
      display:flex; gap:10px; align-items:flex-start;
    }
    .float-pop img{
      width: 66px;height:66px;border-radius: 16px;
      border: 1px solid rgba(20,25,40,.10);
      object-fit: cover;
      background:#fff;
    }
    .float-pop .qr span{
      color: var(--muted);
      font-size: 12.8px;
      line-height:1.6;
    }
    .float-客服[data-open="true"] .float-pop{ display:block; }

    .backtop{
      position: fixed;
      right: 14px;
      bottom: 78px;
      z-index: 69;
      width: 46px; height:46px;
      border-radius: 18px;
      border: 1px solid rgba(20,25,40,.10);
      background: rgba(255,255,255,.78);
      box-shadow: 0 16px 35px rgba(16,24,40,.12);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0;
      transform: translateY(8px);
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
    }
    .backtop.show{
      opacity:1;
      transform: translateY(0);
      pointer-events:auto;
    }

    .reveal{
      opacity:0;
      transform: translateY(10px);
      transition: opacity .55s ease, transform .55s ease;
    }
    .reveal.is-in{
      opacity:1;
      transform: translateY(0);
    }

    @media (max-width: 980px){
      .hero-grid{ grid-template-columns: 1fr; }
      .hero-card, .hero-side{ min-height: unset; }
      .steps{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .grid-3{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .review-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .case-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .article-grid{ grid-template-columns: 1fr; }
      .faq{ grid-template-columns: 1fr; }
      .footer-right{ align-items:flex-start; }
      .float-pop{ width: 220px; }
    }
    @media (max-width: 720px){
      .nav-links{ display:none; }
      .nav-cta{ display:none; }
      .menu-btn{ display:block; }
      .mobile-panel{ display:block; }
      .hero-title{ font-size: 30px; }
      .data-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .micro{ min-width: 100%; }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .review-grid{ grid-template-columns: 1fr; }
      .case-grid{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: 1fr; }
      form{ grid-template-columns: 1fr; }
      .span-2{ grid-column: auto; }
      .submit-row{ grid-column:auto; }
      .form-note{ grid-column:auto; }
    }