:root{
      --bg0:#fff7f3;
      --bg1:#ffffff;
      --text:#1b1f2a;
      --muted:#5a6478;
      --muted2:#7a859b;
      --line:rgba(20,24,36,.10);
      --shadow: 0 10px 30px rgba(16,24,40,.10);
      --shadow2: 0 8px 20px rgba(16,24,40,.08);
      --radius:18px;
      --radius2:14px;
      --brand1:#ff4d6d;
      --brand2:#ff7a18;
      --brand3:#7c4dff;
      --brand4:#00bcd4;
      --brand5:#22c55e;
      --primary: linear-gradient(135deg, #ff4d6d 0%, #ff7a18 45%, #7c4dff 100%);
      --primary2: linear-gradient(135deg, rgba(255,77,109,.20), rgba(124,77,255,.18));
      --chip: rgba(255,122,24,.10);
      --focus: 0 0 0 4px rgba(255,77,109,.20);
      --container: 1120px;
      --pad: 20px;
    }
    *{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", "Liberation Sans", sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 18% -10%, rgba(255,77,109,.18), transparent 60%),
        radial-gradient(1000px 520px at 80% 0%, rgba(124,77,255,.15), transparent 55%),
        radial-gradient(900px 520px at 60% 110%, rgba(0,188,212,.12), transparent 60%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 46%);
    }
    a{color:inherit; text-decoration:none}
    img{max-width:100%; height:auto; display:block}
    .container{
      width: min(var(--container), calc(100% - 2*var(--pad)));
      margin: 0 auto;
    }

    .skip-link{
      position:absolute; left:-999px; top:10px;
      padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:10px;
      z-index:9999;
    }
    .skip-link:focus{left:16px; outline:none; box-shadow: var(--focus);}

    header{
      position: sticky;
      top:0;
      z-index:50;
      backdrop-filter: blur(10px);
      background: rgba(255,255,255,.66);
      border-bottom: 1px solid rgba(20,24,36,.08);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding: 12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:12px; min-width: 190px;
    }
    .ai-page-logo{
      width:46px; height:46px;
      border-radius:14px;
      object-fit:contain;
      background: linear-gradient(135deg, rgba(255,77,109,.20), rgba(124,77,255,.16));
      padding:10px;
      border:1px solid rgba(20,24,36,.08);
    }
    .brand-title{
      display:flex; flex-direction:column; line-height:1.1;
    }
    .brand-title strong{font-size:14px; letter-spacing:.2px}
    .brand-title span{font-size:12px; color:var(--muted)}
    nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex: 1;
      justify-content:flex-end;
    }
    .nav-links{
      display:flex; gap:8px; align-items:center; flex-wrap:nowrap;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(27,31,42,.88);
      padding:10px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background: rgba(255,255,255,.72);
      border-color: rgba(20,24,36,.10);
      transform: translateY(-1px);
    }
    .nav-cta{
      display:flex; gap:10px; align-items:center;
    }
    .btn{
      border:1px solid rgba(20,24,36,.12);
      background:#fff;
      color:rgba(27,31,42,.92);
      padding:10px 14px;
      border-radius:14px;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
      box-shadow: 0 6px 18px rgba(16,24,40,.06);
      display:inline-flex; align-items:center; gap:10px; justify-content:center;
      user-select:none;
    }
    .btn:focus{outline:none; box-shadow: var(--focus), 0 6px 18px rgba(16,24,40,.06);}
    .btn:hover{transform: translateY(-1px); border-color: rgba(20,24,36,.18); box-shadow: 0 10px 26px rgba(16,24,40,.10);}
    .btn-primary{
      background: var(--primary);
      border: 1px solid rgba(255,255,255,.25);
      color:#fff;
      box-shadow: 0 12px 30px rgba(255,77,109,.18);
    }
    .btn-primary:hover{box-shadow: 0 16px 40px rgba(255,77,109,.25); transform: translateY(-2px);}
    .btn-ghost{
      background: rgba(255,255,255,.75);
    }

    .mobile-toggle{
      display:none;
      width:44px; height:44px;
      border-radius:14px;
      border:1px solid rgba(20,24,36,.12);
      background: rgba(255,255,255,.75);
      box-shadow: 0 6px 18px rgba(16,24,40,.06);
      align-items:center; justify-content:center;
    }
    .burger{width:18px; height:12px; position:relative}
    .burger span{
      position:absolute; left:0; right:0; height:2px; border-radius:2px; background:rgba(27,31,42,.86);
      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-toggle[aria-expanded="true"] .burger span:nth-child(1){top:5px; transform: rotate(45deg)}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(2){opacity:0}
    .mobile-toggle[aria-expanded="true"] .burger span:nth-child(3){top:5px; transform: rotate(-45deg)}

    .mobile-panel{
      display:none;
      padding: 0 0 14px 0;
    }
    .mobile-panel .panel-links{
      display:grid; grid-template-columns:1fr 1fr; gap:10px;
      margin-top:10px;
    }
    .mobile-panel a{
      border:1px solid rgba(20,24,36,.10);
      border-radius:14px;
      padding:12px 12px;
      background: rgba(255,255,255,.72);
      font-size:13px;
      transition: transform .15s ease, border-color .15s ease, background-color .15s ease;
    }
    .mobile-panel a:hover{transform: translateY(-1px); border-color: rgba(20,24,36,.18); background: rgba(255,255,255,.92);}
    .mobile-panel .panel-actions{
      display:flex; gap:10px; margin-top:12px; flex-wrap:wrap;
    }

    /* Hero */
    .hero{
      padding: 34px 0 16px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:-140px -180px auto -180px;
      height: 420px;
      background:
        radial-gradient(closest-side, rgba(255,77,109,.30), transparent 64%),
        radial-gradient(closest-side, rgba(124,77,255,.22), transparent 60%),
        radial-gradient(closest-side, rgba(0,188,212,.18), transparent 62%);
      filter: blur(0px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
      align-items:stretch;
    }
    .hero-left{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background:
        linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      box-shadow: var(--shadow2);
      padding: 22px;
      position:relative;
      overflow:hidden;
    }
    .hero-left::after{
      content:"";
      position:absolute;
      right:-120px; top:-160px;
      width: 360px; height: 360px;
      background: radial-gradient(circle at 30% 30%, rgba(255,122,24,.40), transparent 60%),
                  radial-gradient(circle at 70% 50%, rgba(124,77,255,.34), transparent 58%),
                  radial-gradient(circle at 45% 80%, rgba(0,188,212,.22), transparent 62%);
      transform: rotate(12deg);
      pointer-events:none;
      opacity:.75;
    }
    .hero-kicker{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      position:relative; z-index:1;
    }
    .badge{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.72);
      color: rgba(27,31,42,.88);
      font-size: 12px;
    }
    .badge .dot{
      width:10px; height:10px; border-radius:50%;
      background: var(--primary);
      box-shadow: 0 10px 20px rgba(255,77,109,.25);
    }
    .hero-h1{
      margin: 14px 0 8px;
      font-size: clamp(22px, 3.2vw, 36px);
      letter-spacing: .2px;
      line-height: 1.15;
      position:relative; z-index:1;
    }
    .hero-sub{
      margin: 0;
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.7;
      max-width: 60ch;
      position:relative; z-index:1;
    }
    .hero-actions{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
      margin-top: 16px;
      position:relative; z-index:1;
    }
    .hero-quick{
      display:flex; gap:10px; align-items:center; flex-wrap:wrap;
      margin-top: 12px;
      position:relative; z-index:1;
    }
    .mini-list{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .chip{
      font-size:12px;
      color: rgba(27,31,42,.86);
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.70);
      display:inline-flex; align-items:center; gap:8px;
    }
    .chip i{
      width:14px; height:14px; border-radius:6px;
      background: rgba(255,77,109,.18);
      display:inline-block;
      border:1px solid rgba(255,77,109,.28);
    }
    .hero-right{
      display:flex;
      flex-direction:column;
      gap: 12px;
    }
    .data-card{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow2);
      padding: 18px;
      position:relative;
      overflow:hidden;
    }
    .data-card::before{
      content:"";
      position:absolute; inset:-1px;
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,77,255,.12), rgba(0,188,212,.10));
      opacity:.55;
      pointer-events:none;
    }
    .data-card > *{position:relative; z-index:1;}
    .data-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .data-title{
      font-weight: 700;
      font-size: 14px;
    }
    .data-note{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.5;
    }
    .numbers{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 12px;
    }
    .num{
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.62);
      border-radius: 16px;
      padding: 12px;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .num:hover{transform: translateY(-2px); box-shadow: 0 12px 30px rgba(16,24,40,.10);}
    .num strong{
      display:block;
      font-size: 22px;
      letter-spacing: .2px;
    }
    .num span{
      color: var(--muted);
      font-size: 12.5px;
      line-height: 1.4;
    }
    .quick-steps{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow2);
      padding: 16px;
    }
    .quick-steps h3{
      margin: 0 0 10px;
      font-size: 14px;
      letter-spacing: .2px;
    }
    .step-mini{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding: 10px 0;
      border-top: 1px solid rgba(20,24,36,.08);
    }
    .step-mini:first-of-type{border-top:none; padding-top:0}
    .snum{
      width:30px; height:30px; border-radius:12px;
      background: rgba(255,77,109,.16);
      border:1px solid rgba(255,77,109,.26);
      display:flex; align-items:center; justify-content:center;
      font-weight:800;
      font-size: 13px;
      flex: 0 0 auto;
    }
    .step-mini .stext{
      font-size:13px; color: rgba(27,31,42,.92); line-height:1.5;
    }
    .step-mini .stext b{display:block; margin-bottom:3px; font-size:13.5px}

    main{padding: 8px 0 40px}
    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: 20px;
      letter-spacing:.2px;
    }
    .section-head p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.6;
      max-width: 62ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .card{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.70);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
      padding: 16px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 42px rgba(16,24,40,.10);
      border-color: rgba(20,24,36,.14);
    }
    .card h3{
      margin: 10px 0 6px;
      font-size: 14.5px;
      letter-spacing:.2px;
    }
    .card p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.7;
    }
    .icon{
      width: 42px; height: 42px;
      border-radius: 16px;
      border: 1px solid rgba(20,24,36,.10);
      background: linear-gradient(135deg, rgba(255,77,109,.16), rgba(124,77,255,.12), rgba(0,188,212,.10));
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .icon svg{width:20px; height:20px; opacity:.92}

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }
    .t-item{
      display:grid;
      grid-template-columns: 38px 1fr;
      gap: 12px;
      align-items:flex-start;
      padding: 14px;
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
    }
    .t-dot{
      width:38px; height:38px; border-radius: 16px;
      background: rgba(124,77,255,.15);
      border:1px solid rgba(124,77,255,.24);
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      flex:0 0 auto;
    }
    .t-content h3{margin:0 0 6px; font-size:14.5px}
    .t-content p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}

    .compare-wrap{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.65);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .compare-top{
      padding: 16px;
      border-bottom: 1px solid rgba(20,24,36,.08);
      display:flex;
      gap: 12px;
      align-items:flex-start;
      justify-content:space-between;
      flex-wrap:wrap;
    }
    .rating{
      display:flex; gap:12px; align-items:center; flex-wrap:wrap;
    }
    .star{
      width: 54px; height: 54px; border-radius: 20px;
      background: rgba(255,122,24,.14);
      border:1px solid rgba(255,122,24,.28);
      display:flex; align-items:center; justify-content:center;
      box-shadow: 0 14px 32px rgba(255,122,24,.16);
      flex: 0 0 auto;
    }
    .rating h3{
      margin:0;
      font-size: 16px;
    }
    .rating p{
      margin:4px 0 0;
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.5;
    }
    .score-badge{
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; gap:10px;
      min-width: 170px;
    }
    .score-badge strong{
      font-size: 22px;
      letter-spacing:.2px;
    }
    .score-badge span{
      color: var(--muted);
      font-size: 13.5px;
      line-height:1.4;
    }
    table{
      width:100%;
      border-collapse: collapse;
    }
    th, td{
      padding: 12px 12px;
      border-bottom: 1px solid rgba(20,24,36,.08);
      vertical-align: top;
      font-size: 13.5px;
      line-height:1.6;
    }
    th{
      text-align:left;
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
      color: rgba(27,31,42,.94);
      font-weight: 800;
    }
    td:first-child{
      font-weight: 700;
      color: rgba(27,31,42,.94);
      background: rgba(255,122,24,.06);
    }
    .mark{
      display:inline-flex; align-items:center; gap:8px;
      padding: 8px 10px;
      border-radius: 999px;
      border:1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.72);
      font-size: 12.5px;
      color: rgba(27,31,42,.92);
      white-space:nowrap;
    }
    .mark .tick{
      width: 18px; height: 18px; border-radius: 7px;
      background: rgba(34,197,94,.14);
      border: 1px solid rgba(34,197,94,.30);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .mark .tick svg{width:12px; height:12px}

    .seg{
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .seg button{
      border:1px solid rgba(20,24,36,.12);
      background: rgba(255,255,255,.72);
      border-radius: 999px;
      padding: 10px 12px;
      font-size: 13px;
      cursor:pointer;
      transition: transform .15s ease, border-color .15s ease, background-color .15s ease;
    }
    .seg button:hover{transform: translateY(-1px); border-color: rgba(20,24,36,.18); background: rgba(255,255,255,.92);}
    .seg button[aria-pressed="true"]{
      border-color: rgba(255,77,109,.35);
      box-shadow: 0 14px 30px rgba(255,77,109,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.66));
    }

    /* FAQ */
    .faq-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 14px;
      align-items:start;
    }
    .faq-list{display:flex; flex-direction:column; gap:10px}
    .faq-item{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.68);
      overflow:hidden;
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
    }
    .faq-q{
      width:100%;
      text-align:left;
      padding: 14px 14px;
      cursor:pointer;
      border:0;
      background: transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
    }
    .faq-q span{
      font-weight: 800;
      font-size: 14px;
      letter-spacing:.2px;
    }
    .chev{
      width: 36px; height:36px;
      border-radius: 14px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      transition: transform .2s ease;
      flex: 0 0 auto;
    }
    .faq-item[data-open="true"] .chev{transform: rotate(180deg)}
    .faq-a{
      padding: 0 14px 14px 14px;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.8;
      display:none;
    }
    .faq-item[data-open="true"] .faq-a{display:block}
    .faq-side{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
      padding: 16px;
      position: sticky;
      top: 92px;
    }
    .faq-side h3{margin:0 0 6px; font-size: 14.5px}
    .faq-side p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.7}
    .faq-side .side-box{
      margin-top: 12px;
      border-radius: 16px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.72);
      padding: 12px;
    }
    .kv{
      display:flex; align-items:flex-start; gap:10px;
      padding: 10px 0;
      border-top:1px solid rgba(20,24,36,.08);
    }
    .kv:first-child{border-top:none; padding-top:0}
    .kv strong{display:block; font-size:13.5px}
    .kv span{display:block; color:var(--muted); font-size:13px; line-height:1.5}
    .kv .kicon{
      width: 34px; height: 34px;
      border-radius: 14px;
      border: 1px solid rgba(20,24,36,.10);
      background: linear-gradient(135deg, rgba(255,77,109,.14), rgba(124,77,255,.10), rgba(0,188,212,.08));
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
    }
    .kv .kicon svg{width:16px; height:16px; opacity:.92}

    /* Comments */
    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }
    .comment{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
      padding: 16px;
      transition: transform .15s ease, box-shadow .15s ease;
      position:relative;
      overflow:hidden;
    }
    .comment::after{
      content:"";
      position:absolute;
      right:-70px; top:-70px;
      width:160px; height:160px;
      background: radial-gradient(circle at 30% 30%, rgba(255,77,109,.18), transparent 60%),
                  radial-gradient(circle at 70% 55%, rgba(124,77,255,.14), transparent 58%);
      opacity:.7;
      pointer-events:none;
    }
    .comment > *{position:relative; z-index:1;}
    .comment .meta{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .avatar{
      width: 40px; height: 40px;
      border-radius: 16px;
      border: 1px solid rgba(20,24,36,.10);
      background: linear-gradient(135deg, rgba(255,122,24,.16), rgba(124,77,255,.10), rgba(0,188,212,.10));
      display:flex; align-items:center; justify-content:center;
      font-weight:900;
      color: rgba(27,31,42,.88);
    }
    .comment .who strong{display:block; font-size:13.5px}
    .comment .who span{display:block; font-size:12.5px; color:var(--muted); margin-top:2px}
    .stars{
      display:flex; gap:4px;
      color: rgba(255,122,24,.95);
      font-size: 12.5px;
      align-items:center;
    }
    .comment p{
      margin:0;
      color: var(--muted);
      font-size: 13.5px;
      line-height: 1.8;
    }

    /* Cases & Articles */
    .case-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-items:stretch;
    }
    .case-card{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      transition: transform .15s ease, box-shadow .15s ease;
    }
    .case-card:hover{transform: translateY(-2px); box-shadow: 0 16px 42px rgba(16,24,40,.10);}
    .case-media{
      padding: 14px;
      background: linear-gradient(135deg, rgba(255,77,109,.10), rgba(124,77,255,.08), rgba(0,188,212,.08));
    }
    .case-media .media-row{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 12px;
      align-items:center;
    }
    .poster{
      width: 100%;
      aspect-ratio: 16/10;
      border-radius: 16px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.72);
      display:flex; align-items:center; justify-content:center;
      position:relative; overflow:hidden;
    }
    .poster::before{
      content:"";
      position:absolute; inset:-1px;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,77,109,.30), transparent 52%),
        radial-gradient(circle at 80% 40%, rgba(124,77,255,.22), transparent 55%),
        radial-gradient(circle at 55% 85%, rgba(0,188,212,.16), transparent 52%);
      opacity:.6;
      pointer-events:none;
    }
    .poster span{
      position:relative; z-index:1;
      font-weight: 900;
      letter-spacing: .4px;
      color: rgba(27,31,42,.88);
      text-align:center;
      padding: 0 10px;
      line-height:1.3;
      font-size: 14px;
    }
    .case-body{
      padding: 14px 16px 16px;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .tag-row{display:flex; gap:8px; flex-wrap:wrap}
    .tag{
      font-size:12px;
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.70);
      border-radius: 999px;
      padding: 7px 9px;
      color: rgba(27,31,42,.88);
      white-space:nowrap;
    }
    .case-body h3{margin:0; font-size: 15px}
    .case-body p{
      margin:0; color:var(--muted); font-size:13.5px; line-height:1.8
    }
    .case-actions{
      margin-top:auto;
      display:flex; gap:10px; flex-wrap:wrap;
    }
    .link-btn{
      padding:10px 12px;
      border-radius:14px;
      border: 1px solid rgba(20,24,36,.12);
      background: rgba(255,255,255,.72);
      font-size:13px;
      display:inline-flex; gap:10px; align-items:center;
      transition: transform .15s ease, border-color .15s ease, background-color .15s ease;
    }
    .link-btn:hover{transform: translateY(-1px); border-color: rgba(20,24,36,.18); background: rgba(255,255,255,.92);}
    .link-btn.primary{
      background: var(--primary);
      border-color: rgba(255,255,255,.25);
      color:#fff;
      box-shadow: 0 14px 34px rgba(255,77,109,.18);
    }

    .article-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .article-list{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.68);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
      padding: 16px;
      overflow:hidden;
    }
    .article-list h3{margin:0 0 10px; font-size: 14.5px}
    .art-item{
      padding: 12px 0;
      border-top: 1px solid rgba(20,24,36,.08);
      display:flex; gap:12px; align-items:flex-start;
    }
    .art-item:first-child{border-top:none; padding-top:0}
    .art-dot{
      width: 12px; height: 12px; border-radius: 5px;
      background: rgba(124,77,255,.18);
      border:1px solid rgba(124,77,255,.30);
      margin-top: 6px; flex: 0 0 auto;
    }
    .art-item a{
      font-weight: 800;
      font-size: 13.5px;
      color: rgba(27,31,42,.94);
      display:block;
    }
    .art-item .meta{
      margin-top:6px;
      font-size: 12.5px;
      color: var(--muted);
      line-height:1.5;
    }

    /* Form */
    .form-card{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.70);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .form-top{
      padding: 16px;
      border-bottom: 1px solid rgba(20,24,36,.08);
      display:flex; gap:12px; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
    }
    .form-top h3{margin:0; font-size:15px}
    .form-top p{margin:6px 0 0; color:var(--muted); font-size:13.5px; line-height:1.7; max-width: 60ch}
    .form-body{
      padding: 16px;
    }
    form{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .field{display:flex; flex-direction:column; gap:8px}
    label{
      font-size: 13px;
      color: rgba(27,31,42,.92);
      font-weight: 700;
    }
    input, select, textarea{
      width:100%;
      border-radius: 14px;
      border:1px solid rgba(20,24,36,.12);
      padding: 12px 12px;
      font-size: 14px;
      background: rgba(255,255,255,.78);
      color: rgba(27,31,42,.92);
      transition: box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
    }
    textarea{min-height: 110px; resize: vertical}
    input:focus, select:focus, textarea:focus{
      outline:none;
      border-color: rgba(255,77,109,.35);
      box-shadow: var(--focus);
      background: rgba(255,255,255,.95);
    }
    .span-2{grid-column: 1 / -1}
    .form-actions{
      grid-column: 1 / -1;
      display:flex; gap:12px; align-items:center; justify-content:space-between; flex-wrap:wrap;
      margin-top: 4px;
    }
    .fineprint{
      color: var(--muted2);
      font-size: 12.5px;
      line-height:1.5;
      max-width: 56ch;
    }
    .toast{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 18px;
      background: rgba(20,24,36,.88);
      color: #fff;
      padding: 10px 12px;
      border-radius: 14px;
      box-shadow: 0 18px 45px rgba(0,0,0,.20);
      opacity:0;
      pointer-events:none;
      transition: opacity .2s ease, transform .2s ease;
      z-index: 120;
      font-size: 13.5px;
      max-width: calc(100% - 24px);
      text-align:center;
    }
    .toast.show{opacity:1; transform: translateX(-50%) translateY(-2px);}

    /* Footer */
    footer{
      padding: 22px 0 30px;
      border-top: 1px solid rgba(20,24,36,.08);
      background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.70));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      align-items:start;
    }
    .foot-card{
      border-radius: var(--radius);
      border: 1px solid rgba(20,24,36,.08);
      background: rgba(255,255,255,.72);
      box-shadow: 0 10px 25px rgba(16,24,40,.06);
      padding: 16px;
    }
    .foot-brand{
      display:flex; gap:12px; align-items:flex-start;
    }
    .foot-brand .logo-mini{
      width: 44px; height: 44px; border-radius: 18px;
      border: 1px solid rgba(20,24,36,.10);
      background: linear-gradient(135deg, rgba(255,77,109,.18), rgba(124,77,255,.14));
      display:flex; align-items:center; justify-content:center;
      padding: 10px;
      flex: 0 0 auto;
    }
    .foot-brand strong{display:block; font-size: 14.5px}
    .foot-brand span{display:block; color:var(--muted); font-size: 13px; line-height:1.6; margin-top:6px}
    .footer-links{
      display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px;
    }
    .footer-links a{
      border: 1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.72);
      border-radius: 999px;
      padding: 8px 10px;
      font-size: 12.5px;
      transition: transform .15s ease, border-color .15s ease, background-color .15s ease;
    }
    .footer-links a:hover{transform: translateY(-1px); border-color: rgba(20,24,36,.18); background: rgba(255,255,255,.95);}
    .foot-right h3{margin:0; font-size:14.5px}
    .contact-list{
      margin-top: 10px;
      display:flex; flex-direction:column; gap:10px;
    }
    .contact-item{
      display:flex; gap:12px; align-items:flex-start;
      border-top: 1px solid rgba(20,24,36,.08);
      padding-top: 10px;
    }
    .contact-item:first-child{border-top:none; padding-top:0}
    .contact-item svg{width:18px; height:18px; flex:0 0 auto; opacity:.92}
    .contact-item strong{display:block; font-size: 13.5px}
    .contact-item span{display:block; color:var(--muted); font-size: 13px; line-height:1.6; margin-top:4px}
    .copyright{
      margin-top: 14px;
      color: var(--muted2);
      font-size: 12.5px;
      line-height:1.6;
      text-align:center;
    }

    /* Floating */
    .floatbar{
      position: fixed;
      right: 14px;
      bottom: 16px;
      z-index: 90;
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:flex-end;
    }
    .float-btn{
      border-radius: 18px;
      border: 1px solid rgba(20,24,36,.12);
      background: rgba(255,255,255,.82);
      box-shadow: 0 16px 42px rgba(16,24,40,.12);
      display:flex; align-items:center; gap:10px;
      padding: 12px 12px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      user-select:none;
    }
    .float-btn:hover{transform: translateY(-2px); box-shadow: 0 22px 60px rgba(16,24,40,.16); border-color: rgba(20,24,36,.18);}
    .float-btn .ficon{
      width: 40px; height: 40px; border-radius: 16px;
      background: var(--primary2);
      border: 1px solid rgba(255,77,109,.18);
      display:flex; align-items:center; justify-content:center;
      flex: 0 0 auto;
    }
    .float-btn .ficon svg{width:18px; height:18px}
    .float-btn strong{display:block; font-size:13.5px}
    .float-btn span{display:block; font-size:12.5px; color:var(--muted); margin-top:3px}
    .tooltip{
      position:absolute;
      right: 0;
      bottom: 58px;
      width: 270px;
      background: rgba(255,255,255,.95);
      border: 1px solid rgba(20,24,36,.12);
      border-radius: 18px;
      box-shadow: 0 24px 70px rgba(0,0,0,.18);
      padding: 12px;
      opacity:0;
      pointer-events:none;
      transform: translateY(8px);
      transition: opacity .18s ease, transform .18s ease;
    }
    .tooltip.show{opacity:1; pointer-events:auto; transform: translateY(0)}
    .tip-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      margin-bottom: 10px;
    }
    .tip-top strong{font-size:13.5px}
    .tip-close{
      width: 34px; height: 34px;
      border-radius: 14px;
      border:1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.86);
      cursor:pointer;
      display:flex; align-items:center; justify-content:center;
    }
    .qr-wrap{
      border-radius: 16px;
      border:1px solid rgba(20,24,36,.10);
      background: rgba(255,255,255,.70);
      padding: 10px;
      display:flex; gap:12px; align-items:center;
    }
    .qr-wrap img{
      width: 88px; height:auto; border-radius: 12px;
      border: 1px solid rgba(20,24,36,.10);
      background: #fff;
    }
    .qr-wrap .tip-text{
      color: var(--muted);
      font-size: 13px;
      line-height:1.6;
    }

    /* Reveal */
    .reveal{
      opacity:0; transform: translateY(10px);
      transition: opacity .35s ease, transform .35s ease;
    }
    .reveal.on{
      opacity:1; transform: translateY(0);
    }

    /* Anchor spacing */
    .anchor{scroll-margin-top: 92px;}

    /* Responsive */
    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      .faq-grid{grid-template-columns: 1fr}
      .faq-side{position:relative; top:auto}
      .grid-3{grid-template-columns: 1fr}
      .grid-2{grid-template-columns: 1fr}
      .comments{grid-template-columns: 1fr}
      .case-grid{grid-template-columns: 1fr}
      .article-grid{grid-template-columns: 1fr}
      form{grid-template-columns: 1fr}
      .mobile-toggle{display:flex}
      .nav-links{display:none}
      .nav-cta{display:none}
      .mobile-panel{display:block}
      header .container{width: min(var(--container), calc(100% - 2*var(--pad)))}
      .mobile-panel[aria-hidden="true"]{display:none}
    }

    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      .reveal{transition:none}
      .card, .btn, .num, .comment, .case-card, .link-btn, .footer-links a, .mobile-panel a {transition:none}
    }