:root{
      --bg0:#f6fbf8;
      --bg1:#ecf8f1;
      --card:#ffffff;
      --text:#1f2a2a;
      --muted:#5a6a6a;
      --line:rgba(20,55,45,.12);
      --mint:#2bbf7f;
      --mint2:#15a46e;
      --teal:#0f766e;
      --blue:#1f6feb;
      --warn:#d97706;
      --shadow: 0 14px 40px rgba(16, 88, 60, .10);
      --shadow2: 0 10px 22px rgba(17, 102, 81, .10);
      --radius:18px;
      --radius2:14px;
      --focus: 0 0 0 4px rgba(43,191,127,.18);
      --container: 1120px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(1000px 550px at 15% 0%, rgba(43,191,127,.18) 0%, rgba(43,191,127,.00) 55%),
        radial-gradient(900px 520px at 90% 10%, rgba(31,111,235,.14) 0%, rgba(31,111,235,.00) 52%),
        linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 100%);
      overflow-x:hidden;
    }
    a{color:inherit; text-decoration:none}
    a:focus, button:focus, input:focus, select:focus, textarea:focus{outline:none}
    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background: rgba(246,251,248,.72);
      backdrop-filter: blur(10px);
      border-bottom:1px solid rgba(20,55,45,.08);
    }
    .nav{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:220px;
    }
    .ai-page-logo{
      width:40px;
      height:auto;
      flex:0 0 auto;
      border-radius:10px;
      box-shadow:0 10px 22px rgba(16,88,60,.12);
      background:#fff;
      padding:6px;
    }
    .brand-title{
      display:flex;
      flex-direction:column;
      gap:2px;
      line-height:1.1;
    }
    .brand-title strong{
      font-size:14px;
      letter-spacing:.2px;
    }
    .brand-title span{
      font-size:12px;
      color:var(--muted);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:14px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(31,42,42,.86);
      padding:8px 10px;
      border-radius:12px;
      transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(43,191,127,.10);
      color:rgba(15,118,110,.98);
      transform: translateY(-1px);
      box-shadow: 0 10px 16px rgba(16,88,60,.08);
    }
    .nav-cta{
      display:flex; align-items:center; gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:10px 14px;
      border-radius:14px;
      border:1px solid rgba(20,55,45,.14);
      background:rgba(255,255,255,.72);
      color:rgba(31,42,42,.92);
      font-weight:650;
      font-size:13px;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
      cursor:pointer;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 26px rgba(16,88,60,.12);
      border-color: rgba(43,191,127,.30);
      background:#fff;
    }
    .btn-primary{
      background: linear-gradient(135deg, var(--mint) 0%, var(--teal) 100%);
      color:#fff;
      border-color: rgba(255,255,255,.18);
      box-shadow: 0 14px 30px rgba(15,118,110,.22);
    }
    .btn-primary:hover{
      box-shadow: 0 18px 36px rgba(15,118,110,.28);
      border-color: rgba(255,255,255,.25);
    }
    .btn-small{padding:8px 12px; border-radius:12px; font-size:12px;}
    .menu-btn{
      display:none;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,55,45,.14);
      background: rgba(255,255,255,.72);
      cursor:pointer;
      font-weight:700;
      color:rgba(31,42,42,.92);
    }
    .mobile-panel{
      display:none;
      padding:10px 0 14px 0;
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,55,45,.10);
      background: rgba(255,255,255,.62);
      margin-top:10px;
      font-size:14px;
    }
    .hero{
      position:relative;
      padding:26px 0 10px 0;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:18px;
      align-items:stretch;
      padding:18px 0 6px 0;
    }
    .hero-left{
      border-radius: var(--radius);
      padding:26px 22px;
      background:
        radial-gradient(900px 460px at 0% 0%, rgba(43,191,127,.22) 0%, rgba(43,191,127,0) 55%),
        radial-gradient(680px 420px at 85% 20%, rgba(31,111,235,.18) 0%, rgba(31,111,235,0) 60%),
        linear-gradient(180deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.56) 100%);
      border:1px solid rgba(20,55,45,.10);
      box-shadow: var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-left:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(420px 240px at 20% 20%, rgba(43,191,127,.35) 0%, rgba(43,191,127,0) 60%),
        radial-gradient(360px 220px at 80% 25%, rgba(31,111,235,.28) 0%, rgba(31,111,235,0) 62%);
      opacity:.55;
      pointer-events:none;
      filter:saturate(1.05);
    }
    .hero-left > *{position:relative; z-index:1;}
    .pillrow{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:14px;}
    .pill{
      display:inline-flex; align-items:center; gap:10px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,55,45,.10);
      background: rgba(255,255,255,.62);
      font-size:12px;
      color: rgba(31,42,42,.86);
    }
    .dot{
      width:9px; height:9px; border-radius:50%;
      background: linear-gradient(135deg, var(--mint) 0%, var(--teal) 100%);
      box-shadow: 0 10px 18px rgba(15,118,110,.30);
    }
    h1{
      margin:0;
      font-size:34px;
      line-height:1.2;
      letter-spacing:-.6px;
    }
    .lead{
      margin:12px 0 18px 0;
      color: rgba(31,42,42,.78);
      font-size:15px;
      line-height:1.8;
      max-width:56ch;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-bottom:18px;
    }
    .hero-mini{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:stretch;
    }
    .mini-card{
      flex:1 1 190px;
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,55,45,.10);
      border-radius:16px;
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-width:170px;
    }
    .mini-card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow2);
      border-color: rgba(43,191,127,.25);
    }
    .mini-top{
      display:flex; align-items:center; gap:10px; margin-bottom:6px;
    }
    .icon{
      width:34px; height:34px; border-radius:12px;
      background: linear-gradient(135deg, rgba(43,191,127,.18) 0%, rgba(15,118,110,.14) 100%);
      border:1px solid rgba(43,191,127,.22);
      display:flex; align-items:center; justify-content:center;
    }
    .mini-card strong{font-size:13px;}
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:12px;
      line-height:1.6;
    }

    .hero-right{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .stack-card{
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,55,45,.10);
      border-radius: var(--radius);
      padding:16px 16px;
      box-shadow: 0 12px 26px rgba(16,88,60,.08);
      position:relative;
      overflow:hidden;
      flex:1;
      min-height:210px;
    }
    .stack-card:after{
      content:"";
      position:absolute;
      width:340px; height:340px;
      right:-180px; top:-210px;
      background: radial-gradient(circle at 30% 30%, rgba(43,191,127,.25), rgba(43,191,127,0) 60%);
      pointer-events:none;
    }
    .stack-card > *{position:relative; z-index:1;}
    .stack-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .stack-title h2{
      margin:0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background: rgba(43,191,127,.12);
      color: rgba(15,118,110,.98);
      border:1px solid rgba(43,191,127,.22);
      font-size:12px;
      font-weight:750;
    }
    .kv{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:10px;
      margin-top:6px;
    }
    .kv-item{
      border:1px solid rgba(20,55,45,.10);
      border-radius:16px;
      background: rgba(255,255,255,.66);
      padding:12px 12px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .kv-item:hover{
      transform: translateY(-2px);
      box-shadow: 0 14px 24px rgba(16,88,60,.10);
      border-color: rgba(43,191,127,.24);
    }
    .kv-item .num{
      font-size:22px;
      font-weight:860;
      letter-spacing:-.4px;
      margin-bottom:4px;
      display:flex; align-items:baseline; gap:8px;
    }
    .kv-item .num em{
      font-style:normal;
      font-size:12px;
      color:var(--muted);
      font-weight:700;
      letter-spacing:0;
    }
    .kv-item .label{
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      margin:0;
    }
    .stack-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:12px;
      padding-top:12px;
      border-top:1px dashed rgba(20,55,45,.18);
      flex-wrap:wrap;
    }
    .hint{
      color:rgba(31,42,42,.74);
      font-size:12px;
      line-height:1.6;
      display:flex;
      gap:10px;
      align-items:flex-start;
      min-width:230px;
    }
    .spark{
      width:10px; height:10px; border-radius:50%;
      margin-top:5px;
      background: linear-gradient(135deg, rgba(43,191,127,1) 0%, rgba(31,111,235,.9) 100%);
      box-shadow: 0 10px 18px rgba(31,111,235,.25);
      flex:0 0 auto;
    }
    .subtle-link{
      color: rgba(15,118,110,.98);
      font-weight:760;
      font-size:13px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(15,118,110,.18);
      background: rgba(255,255,255,.56);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      cursor:pointer;
    }
    .subtle-link:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 24px rgba(15,118,110,.12);
      background:#fff;
    }

    .section{
      padding:28px 0;
    }
    .section-title{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:14px;
      margin-bottom:14px;
    }
    .section-title h2{
      margin:0;
      font-size:20px;
      letter-spacing:-.3px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
      max-width:60ch;
    }

    .grid-3{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .grid-2{
      display:grid;
      grid-template-columns: repeat(2, 1fr);
      gap:12px;
    }
    .card{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,55,45,.10);
      border-radius: var(--radius2);
      padding:16px 16px;
      box-shadow: 0 12px 22px rgba(16,88,60,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-width:0;
    }
    .card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(16,88,60,.10);
      border-color: rgba(43,191,127,.22);
    }
    .card h3{
      margin:0 0 8px 0;
      font-size:14px;
      letter-spacing:.2px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .tagrow{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;}
    .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,55,45,.10);
      background: rgba(255,255,255,.58);
      color: rgba(31,42,42,.82);
      white-space:nowrap;
    }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, 1fr);
      gap:12px;
    }
    .step{
      position:relative;
      overflow:hidden;
    }
    .step .top{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .step .stepno{
      width:34px; height:34px;
      border-radius:14px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(43,191,127,.20) 0%, rgba(15,118,110,.16) 100%);
      border:1px solid rgba(43,191,127,.22);
      font-weight:900;
      color: rgba(15,118,110,.98);
      flex:0 0 auto;
    }
    .barline{
      height:2px;
      background: linear-gradient(90deg, rgba(43,191,127,.95), rgba(31,111,235,.55));
      border-radius:999px;
      opacity:.65;
      margin:10px 0 0 0;
    }
    .compare-wrap{
      border-radius: var(--radius);
      border:1px solid rgba(20,55,45,.10);
      background:
        radial-gradient(900px 420px at 20% 0%, rgba(43,191,127,.18) 0%, rgba(43,191,127,0) 55%),
        linear-gradient(180deg, rgba(255,255,255,.70) 0%, rgba(255,255,255,.54) 100%);
      box-shadow: var(--shadow2);
      overflow:hidden;
    }
    .compare-head{
      padding:16px 16px;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
      flex-wrap:wrap;
      border-bottom:1px solid rgba(20,55,45,.10);
    }
    .rating{
      display:flex; align-items:flex-start; gap:12px; flex-wrap:wrap;
    }
    .stars{
      font-size:18px; letter-spacing:2px;
      color:#f59e0b;
      margin-top:2px;
    }
    .rating h3{
      margin:0;
      font-size:16px;
    }
    .rating p{
      margin:2px 0 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    table{
      width:100%;
      border-collapse:collapse;
      min-width:720px;
    }
    .table-wrap{
      overflow:auto;
    }
    th, td{
      padding:12px 12px;
      border-bottom:1px solid rgba(20,55,45,.10);
      text-align:left;
      vertical-align:top;
      font-size:13px;
      line-height:1.6;
      color: rgba(31,42,42,.90);
      background: rgba(255,255,255,.00);
    }
    th{
      background: rgba(43,191,127,.10);
      color: rgba(15,118,110,.98);
      font-weight:900;
      border-bottom:1px solid rgba(43,191,127,.20);
      position:sticky;
      top:0;
      z-index:1;
    }
    .cell-muted{color:var(--muted)}
    .best{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:900;
      color: rgba(15,118,110,.98);
    }
    .check{
      width:18px; height:18px; border-radius:8px;
      background: rgba(43,191,127,.16);
      border:1px solid rgba(43,191,127,.25);
      display:inline-flex; align-items:center; justify-content:center;
      font-size:12px;
    }

    .gallery{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .case-card{
      padding:16px 16px;
      display:flex;
      gap:12px;
      align-items:flex-start;
      flex-direction:column;
      min-height:220px;
      justify-content:space-between;
    }
    .thumb{
      width:100%;
      border-radius:16px;
      background:
        linear-gradient(135deg, rgba(43,191,127,.18) 0%, rgba(31,111,235,.12) 100%),
        radial-gradient(360px 180px at 20% 20%, rgba(43,191,127,.22) 0%, rgba(43,191,127,0) 60%),
        rgba(255,255,255,.62);
      border:1px solid rgba(20,55,45,.10);
      padding:14px 14px;
    }
    .thumb .chiprow{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px;}
    .thumb .bar{
      height:10px; border-radius:999px;
      background: linear-gradient(90deg, rgba(43,191,127,.85), rgba(31,111,235,.55));
      opacity:.7;
      margin-top:12px;
    }
    .case-top{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px; width:100%;
    }
    .case-top strong{font-size:14px}
    .case-top span{font-size:12px; color:var(--muted)}
    .case-bottom{
      display:flex; gap:10px; justify-content:space-between; align-items:center; width:100%; flex-wrap:wrap;
    }

    .article-list{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
    }
    .article-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .article-dot{
      width:10px; height:10px; border-radius:50%;
      background: linear-gradient(135deg, rgba(43,191,127,1), rgba(31,111,235,.8));
      margin-top:6px;
      box-shadow: 0 10px 18px rgba(31,111,235,.18);
      flex:0 0 auto;
    }
    .article-item a{
      display:block;
    }
    .article-item strong{
      display:block;
      font-size:14px;
      margin-bottom:4px;
      letter-spacing:.1px;
    }
    .article-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .article-item .meta{
      margin-top:8px;
      display:flex; gap:10px; flex-wrap:wrap;
      color: rgba(90,106,106,.92);
      font-size:12px;
    }

    .form-card{
      border-radius: var(--radius);
      padding:18px 16px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.70) 0%, rgba(255,255,255,.55) 100%);
      border:1px solid rgba(20,55,45,.10);
      box-shadow: var(--shadow2);
      overflow:hidden;
      position:relative;
    }
    .form-card:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(600px 260px at 10% 0%, rgba(43,191,127,.24) 0%, rgba(43,191,127,0) 55%),
        radial-gradient(520px 240px at 90% 10%, rgba(31,111,235,.18) 0%, rgba(31,111,235,0) 55%);
      pointer-events:none;
      opacity:.7;
    }
    .form-card > *{position:relative; z-index:1;}
    .form-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
      min-width:0;
    }
    label{
      font-size:12px;
      color: rgba(31,42,42,.80);
      font-weight:800;
      letter-spacing:.1px;
    }
    input, select, textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(20,55,45,.14);
      background: rgba(255,255,255,.72);
      padding:11px 12px;
      font-size:14px;
      color: var(--text);
      transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
    }
    textarea{min-height:110px; resize:vertical;}
    input:focus, select:focus, textarea:focus{
      box-shadow: var(--focus);
      border-color: rgba(43,191,127,.35);
      background:#fff;
    }
    .form-actions{
      display:flex;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      margin-top:12px;
      padding-top:12px;
      border-top:1px solid rgba(20,55,45,.10);
    }
    .form-note{
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
      max-width:58ch;
    }
    .toast{
      position:fixed;
      left:50%;
      transform: translateX(-50%);
      bottom:18px;
      z-index:100;
      padding:12px 14px;
      border-radius:16px;
      background: rgba(255,255,255,.92);
      border:1px solid rgba(20,55,45,.14);
      box-shadow: 0 20px 50px rgba(16,88,60,.16);
      color: rgba(31,42,42,.92);
      font-size:13px;
      opacity:0;
      pointer-events:none;
      transition: opacity .18s ease, transform .18s ease;
      max-width:92vw;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .toast.show{
      opacity:1;
      pointer-events:auto;
      transform: translateX(-50%) translateY(-2px);
    }

    .accordion{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    details{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,55,45,.10);
      border-radius: 16px;
      padding:12px 12px;
      box-shadow: 0 10px 18px rgba(16,88,60,.05);
      overflow:hidden;
      transition: border-color .15s ease, box-shadow .15s ease;
    }
    details[open]{
      border-color: rgba(43,191,127,.24);
      box-shadow: 0 18px 34px rgba(16,88,60,.10);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      font-size:14px;
      color: rgba(31,42,42,.92);
      padding:4px 6px;
    }
    summary::-webkit-details-marker{display:none}
    .summary-right{
      color: rgba(15,118,110,.98);
      font-weight:950;
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(43,191,127,.18);
      background: rgba(43,191,127,.10);
      flex:0 0 auto;
      margin-top:2px;
    }
    .acc-body{
      padding:10px 6px 6px 6px;
      color:var(--muted);
      font-size:13px;
      line-height:1.85;
    }

    .comments{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap:12px;
    }
    .comment{
      padding:16px 16px;
      border-radius: var(--radius2);
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,55,45,.10);
      box-shadow: 0 12px 22px rgba(16,88,60,.05);
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      min-width:0;
    }
    .comment:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(16,88,60,.10);
      border-color: rgba(43,191,127,.22);
    }
    .comment .who{
      display:flex; align-items:flex-start; justify-content:space-between; gap:12px;
      margin-bottom:10px;
    }
    .avatar{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(20,55,45,.12);
      background: linear-gradient(135deg, rgba(43,191,127,.16) 0%, rgba(31,111,235,.12) 100%);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      color: rgba(15,118,110,.98);
      flex:0 0 auto;
    }
    .who strong{font-size:14px}
    .who span{display:block; color:var(--muted); font-size:12px; margin-top:2px;}
    .comment p{
      margin:0;
      color: rgba(31,42,42,.80);
      font-size:13px;
      line-height:1.85;
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }
    .tl-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px 14px;
      border-radius: 16px;
      border:1px solid rgba(20,55,45,.10);
      background: rgba(255,255,255,.64);
      box-shadow: 0 12px 22px rgba(16,88,60,.05);
    }
    .tl-dot{
      width:14px; height:14px; border-radius:7px;
      background: linear-gradient(135deg, rgba(43,191,127,.95), rgba(31,111,235,.60));
      margin-top:4px;
      box-shadow: 0 14px 22px rgba(31,111,235,.15);
      flex:0 0 auto;
    }
    .tl-item strong{
      font-size:14px;
      display:block;
      margin-bottom:6px;
    }
    .tl-item p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }

    .network-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .list{
      margin:0; padding:0;
      list-style:none;
      display:flex; flex-direction:column; gap:10px;
    }
    .li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(20,55,45,.10);
      background: rgba(255,255,255,.62);
    }
    .li .bicon{
      width:34px; height:34px; border-radius:14px;
      border:1px solid rgba(43,191,127,.20);
      background: rgba(43,191,127,.12);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      color: rgba(15,118,110,.98);
      font-weight:950;
    }
    .li strong{display:block; font-size:13px; margin-bottom:4px;}
    .li span{display:block; color:var(--muted); font-size:12px; line-height:1.7;}

    .footer{
      padding:18px 0 30px 0;
      margin-top:6px;
    }
    .footer-card{
      border-radius: var(--radius);
      border:1px solid rgba(20,55,45,.10);
      background: rgba(255,255,255,.58);
      box-shadow: 0 14px 30px rgba(16,88,60,.08);
      padding:16px 16px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap:12px;
      align-items:start;
    }
    .footer h3{
      margin:0 0 10px 0;
      font-size:14px;
    }
    .footer p, .footer a{
      color: rgba(31,42,42,.78);
      font-size:13px;
      line-height:1.8;
    }
    .footer a:hover{color: rgba(15,118,110,.98); text-decoration:underline}
    .footer-links{
      display:flex; flex-direction:column; gap:8px;
    }
    .copyright{
      display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
      margin-top:14px;
      padding-top:12px;
      border-top:1px solid rgba(20,55,45,.10);
      color: rgba(31,42,42,.70);
      font-size:12px;
    }

    .floating{
      position:fixed;
      right:14px;
      bottom:14px;
      z-index:80;
      display:flex;
      flex-direction:column;
      gap:10px;
      pointer-events:none;
    }
    .float-btn{
      pointer-events:auto;
      display:flex;
      align-items:center;
      justify-content:center;
      width:46px; height:46px;
      border-radius:18px;
      border:1px solid rgba(20,55,45,.14);
      background: rgba(255,255,255,.76);
      box-shadow: 0 20px 50px rgba(16,88,60,.14);
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      user-select:none;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      box-shadow: 0 26px 70px rgba(16,88,60,.20);
      background:#fff;
    }
    .float-panel{
      pointer-events:auto;
      width:240px;
      border-radius:18px;
      border:1px solid rgba(20,55,45,.12);
      background: rgba(255,255,255,.84);
      box-shadow: 0 26px 70px rgba(16,88,60,.18);
      overflow:hidden;
      display:none;
    }
    .float-head{
      padding:12px 12px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      border-bottom:1px solid rgba(20,55,45,.10);
      background:
        linear-gradient(135deg, rgba(43,191,127,.14) 0%, rgba(31,111,235,.10) 100%);
    }
    .float-head strong{font-size:13px}
    .float-close{
      border:none;
      background:transparent;
      cursor:pointer;
      font-weight:900;
      color: rgba(31,42,42,.70);
      font-size:14px;
      padding:6px 8px;
      border-radius:12px;
    }
    .float-body{
      padding:12px 12px 14px 12px;
    }
    .qrwrap{
      display:flex;
      flex-direction:column;
      gap:10px;
      align-items:center;
      text-align:center;
    }
    .qrwrap img{
      width:148px;
      height:auto;
      border-radius:16px;
      border:1px solid rgba(20,55,45,.12);
      background:#fff;
    }
    .float-body p{
      margin:0;
      color:var(--muted);
      font-size:12px;
      line-height:1.7;
    }

    .links-row{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:10px;
    }
    .link-pill{
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(20,55,45,.12);
      background: rgba(255,255,255,.62);
      color: rgba(31,42,42,.80);
      font-size:12px;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
      display:inline-flex; align-items:center; gap:8px;
      white-space:nowrap;
    }
    .link-pill:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 24px rgba(16,88,60,.10);
      border-color: rgba(43,191,127,.25);
    }

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

    @media (max-width: 980px){
      .hero-grid{grid-template-columns: 1fr; }
      h1{font-size:30px}
      .grid-3{grid-template-columns: 1fr; }
      .grid-2{grid-template-columns: 1fr; }
      .steps{grid-template-columns: 1fr 1fr; }
      .comments{grid-template-columns: 1fr; }
      .article-list{grid-template-columns: 1fr; }
      .gallery{grid-template-columns: 1fr; }
      .network-grid{grid-template-columns: 1fr; }
      .footer-grid{grid-template-columns: 1fr; }
      table{min-width:680px}
    }
    @media (max-width: 860px){
      .nav-links{display:none;}
      .nav-cta{display:none;}
      .menu-btn{display:inline-flex; align-items:center; justify-content:center; gap:8px;}
      .mobile-panel{display:block;}
      .hero-left{padding:22px 16px;}
      .form-grid{grid-template-columns: 1fr;}
      .steps{grid-template-columns: 1fr;}
      .floating{right:10px; bottom:10px;}
    }