:root{
      --bg0:#f7fbfb;
      --bg1:#f1fbf7;
      --card:#ffffff;
      --text:#18222e;
      --muted:#5a6a7c;
      --muted2:#7a889b;
      --border:rgba(20, 35, 60, .12);
      --shadow: 0 18px 40px rgba(10, 25, 50, .08);
      --shadow2: 0 10px 26px rgba(10, 25, 50, .10);
      --accent:#0aa6a6;
      --accent2:#1b7bff;
      --accent3:#22c55e;
      --ink:#0e1b2a;
      --grad: linear-gradient(135deg, rgba(10,166,166,.18), rgba(27,123,255,.18) 45%, rgba(34,197,94,.14));
      --grad2: linear-gradient(135deg, #0aa6a6 0%, #1b7bff 55%, #22c55e 110%);
      --grad3: linear-gradient(120deg, rgba(10,166,166,.14), rgba(27,123,255,.12), rgba(34,197,94,.10));
      --radius:16px;
      --radius2:22px;
      --container: 1120px;
    }

    *{ box-sizing:border-box; }
    html{ scroll-behavior:smooth; }
    body{
      margin:0;
      font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(900px 520px at 15% -10%, rgba(10,166,166,.18), transparent 60%),
        radial-gradient(860px 560px at 90% 10%, rgba(27,123,255,.18), transparent 55%),
        radial-gradient(760px 520px at 60% 80%, rgba(34,197,94,.14), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
      line-height:1.6;
    }

    a{ color:inherit; text-decoration:none; }
    a:hover{ text-decoration:none; }
    img{ display:block; }

    .container{
      width:100%;
      max-width:var(--container);
      margin:0 auto;
      padding:0 18px;
    }

    .skip{
      position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
    }
    .skip:focus{
      left:16px; top:16px; width:auto; height:auto; z-index:9999;
      background:#fff; border:1px solid var(--border); padding:10px 12px; border-radius:12px;
      box-shadow: var(--shadow2);
    }

    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(140%) blur(10px);
      background:rgba(247,251,251,.72);
      border-bottom:1px solid rgba(20,35,60,.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:220px;
    }
    .brand img{
      width:38px; height:38px; object-fit:contain;
      filter: saturate(120%);
    }
    .brand .name{
      display:flex; flex-direction:column; gap:2px;
    }
    .brand .name strong{
      font-size:14px; letter-spacing:.2px;
    }
    .brand .name span{
      font-size:12px; color:var(--muted);
    }

    .nav-right{
      display:flex; align-items:center; gap:10px;
    }

    .nav-links{
      display:flex; align-items:center; gap:14px;
    }
    .nav-links a{
      font-size:13px;
      color:rgba(18,34,46,.88);
      padding:8px 10px;
      border-radius:12px;
      border:1px solid transparent;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      background:rgba(10,166,166,.08);
      border-color:rgba(10,166,166,.18);
      transform: translateY(-1px);
    }

    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      gap:10px;
      padding:11px 14px;
      border-radius:14px;
      border:1px solid rgba(14,27,42,.12);
      background:rgba(255,255,255,.75);
      color:var(--ink);
      box-shadow: 0 10px 22px rgba(10,25,50,.06);
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
      font-weight:650;
      cursor:pointer;
      user-select:none;
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(10,25,50,.10);
      border-color:rgba(14,27,42,.18);
      background:rgba(255,255,255,.95);
    }
    .btn:active{ transform: translateY(0px); }

    .btn-primary{
      border:0;
      background: var(--grad2);
      color:#06212a;
      box-shadow: 0 18px 44px rgba(27,123,255,.18);
    }
    .btn-primary:hover{
      box-shadow: 0 22px 56px rgba(27,123,255,.26);
    }
    .btn-ghost{
      background:rgba(255,255,255,.6);
    }

    .icon{
      width:18px; height:18px; display:inline-block;
    }
    .hamburger{
      width:44px; height:44px; border-radius:14px;
      border:1px solid rgba(20,35,60,.10);
      background:rgba(255,255,255,.7);
      display:none; align-items:center; justify-content:center;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease;
    }
    .hamburger:hover{ transform: translateY(-1px); background:rgba(255,255,255,.92); }
    .hamburger .bars{
      width:18px; height:14px; position:relative;
    }
    .hamburger .bars span{
      position:absolute; left:0; right:0; height:2px; background:#172338; border-radius:2px;
      transition: transform .18s ease, top .18s ease, opacity .18s ease;
    }
    .hamburger .bars span:nth-child(1){ top:1px; }
    .hamburger .bars span:nth-child(2){ top:6px; opacity:.9; }
    .hamburger .bars span:nth-child(3){ top:11px; opacity:.85; }

    .mobile-panel{
      display:none;
      padding:10px 0 16px;
    }
    .mobile-links{
      display:flex; flex-direction:column; gap:10px;
    }
    .mobile-links a{
      border:1px solid rgba(20,35,60,.10);
      background:rgba(255,255,255,.72);
      border-radius:14px;
      padding:12px 12px;
      font-weight:650;
      font-size:14px;
    }

    main{ padding:22px 0 56px; }
    .hero{
      padding:18px 0 10px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .hero-card{
      position:relative;
      border:1px solid rgba(20,35,60,.10);
      background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.58));
      border-radius: var(--radius2);
      box-shadow: var(--shadow);
      overflow:hidden;
      padding:26px 24px;
    }
    .hero-card::before{
      content:"";
      position:absolute; inset:-2px;
      background: var(--grad);
      opacity:.9;
      z-index:0;
      transform: translateZ(0);
      pointer-events:none;
    }
    .hero-card > *{ position:relative; z-index:1; }
    .hero-topline{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center;
      margin-bottom:12px;
    }
    .pill{
      display:inline-flex; align-items:center; gap:10px;
      border-radius:999px;
      padding:8px 12px;
      border:1px solid rgba(14,27,42,.12);
      background: rgba(255,255,255,.64);
      color: rgba(14,27,42,.88);
      font-weight:650;
      font-size:12.5px;
    }
    .pill .dot{
      width:10px; height:10px; border-radius:50%;
      background: var(--grad2);
      box-shadow: 0 0 0 6px rgba(27,123,255,.10);
    }
    .hero h1{
      margin:0 0 10px;
      font-size:34px;
      line-height:1.25;
      letter-spacing:-.3px;
    }
    .lead{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15.5px;
      max-width:62ch;
    }
    .hero-actions{
      display:flex; flex-wrap:wrap; gap:12px; align-items:center;
      margin:18px 0 16px;
    }
    .hero-note{
      display:flex; align-items:flex-start; gap:10px;
      padding-top:8px;
      color:var(--muted2);
      font-size:12.8px;
    }
    .check{
      width:18px; height:18px; border-radius:6px;
      background:rgba(10,166,166,.12);
      border:1px solid rgba(10,166,166,.22);
      display:flex; align-items:center; justify-content:center;
      margin-top:2px;
      flex:0 0 auto;
    }

    .hero-side{
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.65);
      border-radius: var(--radius2);
      box-shadow: 0 14px 34px rgba(10,25,50,.08);
      padding:18px;
      overflow:hidden;
      position:relative;
    }
    .hero-side::after{
      content:"";
      position:absolute; inset:-120px -120px auto auto;
      width:240px; height:240px;
      background: radial-gradient(circle at 30% 30%, rgba(27,123,255,.30), rgba(27,123,255,.00) 60%);
      transform: rotate(12deg);
      pointer-events:none;
    }
    .side-title{
      display:flex; align-items:center; justify-content:space-between; gap:10px;
      margin-bottom:10px;
    }
    .side-title h2{
      margin:0; font-size:15px;
      letter-spacing:.2px;
    }
    .side-sub{
      font-size:12.5px; color:var(--muted);
      margin:0;
    }

    .stats{
      display:grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap:12px;
      margin-top:12px;
    }
    .stat{
      background: rgba(255,255,255,.75);
      border:1px solid rgba(20,35,60,.10);
      border-radius:16px;
      padding:14px 14px;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      cursor:default;
    }
    .stat:hover{
      transform: translateY(-2px);
      border-color: rgba(27,123,255,.22);
      box-shadow: 0 16px 32px rgba(27,123,255,.12);
    }
    .stat .k{
      font-weight:900;
      font-size:20px;
      letter-spacing:-.2px;
      margin-bottom:6px;
      background: linear-gradient(135deg, #0aa6a6, #1b7bff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .stat .v{
      font-size:12.5px; color:var(--muted);
      margin:0;
      line-height:1.35;
    }

    .hero-side .mini{
      margin-top:12px;
      border-top:1px dashed rgba(20,35,60,.14);
      padding-top:12px;
      display:flex; flex-direction:column; gap:10px;
    }
    .mini-row{
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
      padding:10px 10px;
      border-radius:14px;
      background: rgba(255,255,255,.55);
      border:1px solid rgba(20,35,60,.09);
    }
    .mini-row strong{
      font-size:13px;
    }
    .mini-row span{
      font-size:12.5px;
      color:var(--muted);
      text-align:right;
    }

    .section{
      padding:34px 0 10px;
    }
    .section-title{
      display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
      margin-bottom:16px;
    }
    .section-title h2{
      margin:0;
      font-size:24px;
      letter-spacing:-.2px;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      max-width:56ch;
      font-size:14px;
    }

    .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{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,35,60,.10);
      border-radius: var(--radius);
      box-shadow: 0 10px 26px rgba(10,25,50,.06);
      padding:16px;
      overflow:hidden;
      transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .card:hover{
      transform: translateY(-2px);
      border-color: rgba(27,123,255,.18);
      box-shadow: 0 18px 40px rgba(10,25,50,.10);
    }
    .card h3{
      margin:0 0 8px;
      font-size:15.5px;
      letter-spacing:.1px;
    }
    .card p{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
    }
    .card .tagrow{
      display:flex; flex-wrap:wrap; gap:8px; margin-top:12px;
    }
    .tag{
      font-size:12px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.62);
      color: rgba(18,34,46,.9);
      white-space:nowrap;
    }

    .list{
      display:flex; flex-direction:column; gap:10px;
      margin-top:8px;
    }
    .li{
      display:flex; gap:10px; align-items:flex-start;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(20,35,60,.09);
      background: rgba(255,255,255,.55);
    }
    .li .b{
      width:22px; height:22px; border-radius:8px;
      background: rgba(10,166,166,.12);
      border:1px solid rgba(10,166,166,.22);
      display:flex; align-items:center; justify-content:center;
      flex:0 0 auto;
      margin-top:1px;
    }
    .li .b svg{ width:14px; height:14px; }
    .li strong{ font-size:13.5px; }
    .li span{ display:block; font-size:12.8px; color:var(--muted); margin-top:2px; }

    .steps{
      display:grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap:12px;
    }
    .step{
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,35,60,.10);
      border-radius: 18px;
      padding:14px 14px;
      position:relative;
      overflow:hidden;
    }
    .step::before{
      content:"";
      position:absolute; inset:-1px -1px auto auto;
      width:120px; height:120px;
      background: radial-gradient(circle at 30% 30%, rgba(27,123,255,.18), transparent 60%);
      pointer-events:none;
    }
    .step .n{
      display:inline-flex; align-items:center; justify-content:center;
      width:30px; height:30px; border-radius:12px;
      background: rgba(27,123,255,.12);
      border:1px solid rgba(27,123,255,.20);
      font-weight:900;
      margin-bottom:10px;
      position:relative;
    }
    .step h3{ margin:0 0 7px; font-size:14.5px; position:relative; }
    .step p{ margin:0; color:var(--muted); font-size:12.8px; position:relative; }

    .compare-wrap{
      background: rgba(255,255,255,.62);
      border:1px solid rgba(20,35,60,.10);
      border-radius: var(--radius2);
      box-shadow: 0 14px 34px rgba(10,25,50,.07);
      overflow:hidden;
    }
    .compare-head{
      padding:18px 18px 8px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
      background: linear-gradient(135deg, rgba(10,166,166,.10), rgba(27,123,255,.10), rgba(34,197,94,.08));
      border-bottom:1px solid rgba(20,35,60,.10);
    }
    .score{
      display:flex; flex-direction:column; gap:6px; align-items:flex-start;
      padding:10px 12px;
      border-radius:16px;
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,35,60,.10);
      min-width:240px;
    }
    .stars{
      display:flex; gap:4px; align-items:center;
      color:#f6b73c;
    }
    .stars svg{ width:16px; height:16px; }
    .score .line{
      display:flex; gap:10px; align-items:baseline; flex-wrap:wrap;
    }
    .score .rec{
      font-weight:900; font-size:14px;
      color:rgba(14,27,42,.92);
    }
    .score .num{
      font-weight:1000; font-size:28px; letter-spacing:-.6px;
      background: linear-gradient(135deg, #0aa6a6, #1b7bff);
      -webkit-background-clip:text; background-clip:text; color:transparent;
    }
    .score .full{ color:var(--muted); font-size:12.5px; }

    .compare-meta{
      display:flex; gap:10px; flex-wrap:wrap; align-items:flex-start; justify-content:flex-end;
    }
    .meta-chip{
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.65);
      border-radius:999px;
      padding:8px 12px;
      font-size:12.5px;
      color: rgba(14,27,42,.88);
      white-space:nowrap;
    }

    table{
      width:100%;
      border-collapse:collapse;
      font-size:13px;
      background:#fff;
    }
    th, td{
      padding:14px 12px;
      border-bottom:1px solid rgba(20,35,60,.08);
      vertical-align:top;
    }
    th{
      text-align:left;
      color:rgba(18,34,46,.92);
      background: rgba(245,251,252,.92);
      position:sticky; top:0;
      z-index:1;
      font-weight:900;
    }
    td{
      color:rgba(18,34,46,.86);
    }
    .cell-list{
      display:flex; flex-direction:column; gap:6px;
      color:var(--muted);
    }
    .cell-good{
      color:rgba(14,27,42,.92);
      font-weight:750;
      display:flex; align-items:center; gap:8px;
    }
    .cell-good svg{ width:16px; height:16px; color:#0aa6a6; }
    .scroll-x{
      overflow:auto;
      border-radius:0;
    }

    .tabs{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:8px;
      margin-bottom:12px;
    }
    .tab{
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.62);
      padding:9px 12px;
      border-radius:999px;
      font-weight:750;
      font-size:13px;
      cursor:pointer;
      transition: transform .15s ease, background .15s ease, border-color .15s ease;
      user-select:none;
    }
    .tab:hover{ transform: translateY(-1px); background: rgba(255,255,255,.92); }
    .tab[aria-selected="true"]{
      border-color: rgba(27,123,255,.28);
      background: linear-gradient(135deg, rgba(10,166,166,.14), rgba(27,123,255,.14));
      box-shadow: 0 14px 30px rgba(27,123,255,.10);
    }

    .timeline{
      display:grid;
      grid-template-columns: 1fr;
      gap:12px;
    }
    .t-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px 14px;
      border-radius:18px;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.64);
      position:relative;
      overflow:hidden;
    }
    .t-item::before{
      content:"";
      position:absolute; left:-40px; top:-40px;
      width:120px; height:120px;
      background: radial-gradient(circle at 30% 30%, rgba(10,166,166,.16), transparent 65%);
      pointer-events:none;
    }
    .t-badge{
      width:34px; height:34px; border-radius:14px;
      background: rgba(10,166,166,.12);
      border:1px solid rgba(10,166,166,.22);
      display:flex; align-items:center; justify-content:center;
      font-weight:950;
      flex:0 0 auto;
      position:relative;
    }
    .t-content{ position:relative; }
    .t-content strong{ font-size:14.2px; display:block; margin-bottom:6px; }
    .t-content span{ color:var(--muted); font-size:13px; display:block; }

    .comment-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .avatar{
      width:38px; height:38px; border-radius:16px;
      border:1px solid rgba(20,35,60,.12);
      background: linear-gradient(135deg, rgba(10,166,166,.16), rgba(27,123,255,.16));
      display:flex; align-items:center; justify-content:center;
      font-weight:1000; color:rgba(14,27,42,.9);
    }
    .quote{
      color:var(--muted);
      font-size:13.5px;
      margin:10px 0 0;
    }
    .comment-head{
      display:flex; align-items:center; gap:12px;
      margin-bottom:8px;
    }
    .comment-head strong{ font-size:14px; }
    .comment-head span{ color:var(--muted); font-size:12.5px; }

    .media-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }
    .imgcard{
      border-radius: var(--radius2);
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.62);
      box-shadow: 0 14px 34px rgba(10,25,50,.07);
      overflow:hidden;
    }
    .imgcard .top{
      padding:16px 16px 12px;
      display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
    }
    .imgcard .top h3{ margin:0; font-size:15.5px; }
    .imgcard .top p{ margin:6px 0 0; color:var(--muted); font-size:13px; max-width:46ch; }
    .imgstrip{
      display:grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap:10px;
      padding:0 16px 16px;
    }
    .thumb{
      border-radius:16px;
      overflow:hidden;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(245,251,252,.92);
      aspect-ratio: 4/3;
      display:flex;
      align-items:center;
      justify-content:center;
      position:relative;
    }
    .thumb img{
      width:100%; height:100%; object-fit:cover;
      transform: scale(1.00);
      transition: transform .25s ease;
    }
    .thumb:hover img{ transform: scale(1.04); }

    .two-col{
      display:grid; grid-template-columns: 1fr 1fr;
      gap:14px;
      align-items:start;
    }

    form{
      display:grid; gap:12px;
    }
    label{
      font-size:12.8px;
      color: rgba(18,34,46,.84);
      font-weight:800;
    }
    .field{
      display:flex; flex-direction:column; gap:7px;
    }
    input, select, textarea{
      width:100%;
      padding:12px 12px;
      border-radius:14px;
      border:1px solid rgba(20,35,60,.14);
      background: rgba(255,255,255,.78);
      outline:none;
      color:var(--text);
      transition: border-color .15s ease, box-shadow .15s ease, transform .1s ease;
      font-size:14px;
    }
    textarea{ min-height:110px; resize:vertical; }
    input:focus, select:focus, textarea:focus{
      border-color: rgba(27,123,255,.38);
      box-shadow: 0 0 0 4px rgba(27,123,255,.14);
    }

    .form-actions{
      display:flex; flex-wrap:wrap; gap:10px; align-items:center; justify-content:space-between;
      margin-top:2px;
    }
    .hint{
      color:var(--muted);
      font-size:12.5px;
      margin:0;
      max-width:56ch;
    }

    .linklist{
      display:flex; flex-direction:column; gap:10px;
    }
    .linkrow{
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      padding:12px 12px;
      border-radius:16px;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.62);
      transition: transform .15s ease, border-color .15s ease;
    }
    .linkrow:hover{
      transform: translateY(-2px);
      border-color: rgba(10,166,166,.22);
    }
    .linkrow strong{
      font-size:14px;
    }
    .linkrow span{
      color:var(--muted);
      font-size:12.5px;
      text-align:right;
    }

    .faq{
      display:grid; gap:10px;
    }
    details{
      background: rgba(255,255,255,.64);
      border:1px solid rgba(20,35,60,.10);
      border-radius:18px;
      padding:12px 14px;
      box-shadow: 0 10px 26px rgba(10,25,50,.05);
      transition: border-color .15s ease, transform .15s ease;
    }
    details:hover{
      transform: translateY(-1px);
      border-color: rgba(27,123,255,.22);
    }
    summary{
      cursor:pointer;
      list-style:none;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-weight:900;
      font-size:14.2px;
      padding:4px 0;
    }
    summary::-webkit-details-marker{ display:none; }
    .sum-right{
      display:flex; align-items:center; gap:10px; color:var(--muted);
      font-weight:900;
      font-size:12.5px;
    }
    .chev{
      width:28px; height:28px; border-radius:12px;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.70);
      display:flex; align-items:center; justify-content:center;
      transition: transform .18s ease;
      flex:0 0 auto;
    }
    details[open] .chev{ transform: rotate(180deg); }
    .faq-body{
      padding:10px 0 2px;
      color:var(--muted);
      font-size:13.4px;
    }
    .faq-body ul{
      margin:8px 0 0; padding-left:18px;
    }
    .faq-body li{ margin:6px 0; }

    .article-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .article-list{
      display:flex; flex-direction:column; gap:10px;
    }
    .article-item{
      display:flex; gap:12px; align-items:flex-start;
      padding:14px 14px;
      border-radius:18px;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.62);
      transition: transform .15s ease, border-color .15s ease;
    }
    .article-item:hover{
      transform: translateY(-2px);
      border-color: rgba(27,123,255,.22);
    }
    .article-badge{
      width:38px; height:38px; border-radius:16px;
      background: rgba(27,123,255,.12);
      border:1px solid rgba(27,123,255,.20);
      display:flex; align-items:center; justify-content:center;
      font-weight:1000;
      flex:0 0 auto;
    }
    .article-item strong{ display:block; font-size:14.5px; margin-bottom:5px; }
    .article-item span{ display:block; color:var(--muted); font-size:12.6px; }

    .price-box{
      display:grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:12px;
    }
    .price{
      padding:14px 14px;
      border-radius:18px;
      background: rgba(255,255,255,.66);
      border:1px solid rgba(20,35,60,.10);
      box-shadow: 0 10px 26px rgba(10,25,50,.05);
    }
    .price .t{
      font-weight:1000;
      font-size:13px;
      color: rgba(18,34,46,.92);
    }
    .price .p{
      margin:8px 0 4px;
      font-weight:1000;
      font-size:22px;
      letter-spacing:-.5px;
      background: linear-gradient(135deg, #0aa6a6, #1b7bff);
      -webkit-background-clip:text; background-clip:text; color:transparent;
    }
    .price .s{
      color:var(--muted);
      font-size:12.7px;
      margin:0;
    }

    .footer{
      background: rgba(255,255,255,.55);
      border-top:1px solid rgba(20,35,60,.10);
      padding:26px 0 18px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:14px;
      align-items:start;
    }
    .foot-card{
      background: rgba(255,255,255,.70);
      border:1px solid rgba(20,35,60,.10);
      border-radius: var(--radius2);
      padding:16px;
      box-shadow: 0 14px 34px rgba(10,25,50,.06);
    }
    .foot-card h3{ margin:0 0 10px; font-size:15.5px; }
    .foot-card p{ margin:0; color:var(--muted); font-size:13.5px; }
    .footer-links{
      display:flex; flex-wrap:wrap; gap:10px;
      margin-top:12px;
    }
    .footer-links a{
      border:1px solid rgba(20,35,60,.10);
      background: rgba(245,251,252,.92);
      padding:8px 10px;
      border-radius:999px;
      font-size:12.5px;
      color: rgba(18,34,46,.92);
      transition: transform .15s ease, border-color .15s ease;
      white-space:nowrap;
    }
    .footer-links a:hover{
      transform: translateY(-2px);
      border-color: rgba(27,123,255,.24);
    }
    .copyright{
      margin-top:12px;
      display:flex; justify-content:space-between; gap:10px; align-items:center; flex-wrap:wrap;
      color:var(--muted2);
      font-size:12.5px;
    }

    .float-cs{
      position:fixed;
      right:16px;
      bottom:16px;
      z-index:90;
      display:flex; flex-direction:column; gap:10px;
    }
    .float-btn{
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.78);
      backdrop-filter: blur(10px);
      border-radius: 18px;
      box-shadow: 0 18px 44px rgba(10,25,50,.12);
      overflow:hidden;
      display:flex; align-items:center; gap:12px;
      padding:10px 12px;
      cursor:pointer;
      transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
    }
    .float-btn:hover{
      transform: translateY(-2px);
      border-color: rgba(27,123,255,.24);
      box-shadow: 0 22px 56px rgba(10,25,50,.16);
    }
    .float-btn .qrcode{
      width:44px; height:44px; border-radius:16px;
      display:flex; align-items:center; justify-content:center;
      background: linear-gradient(135deg, rgba(10,166,166,.14), rgba(27,123,255,.14));
      border:1px solid rgba(20,35,60,.10);
      overflow:hidden;
    }
    .float-btn .qrcode img{
      width:100%; height:100%; object-fit:cover;
    }
    .float-btn .text{
      display:flex; flex-direction:column; gap:3px; align-items:flex-start;
    }
    .float-btn strong{ font-size:13.5px; }
    .float-btn span{ font-size:12.3px; color:var(--muted); }

    .backtop{
      position:fixed; left:16px; bottom:16px;
      z-index:80;
      width:44px; height:44px;
      border-radius:18px;
      border:1px solid rgba(20,35,60,.10);
      background: rgba(255,255,255,.76);
      backdrop-filter: blur(10px);
      box-shadow: 0 18px 44px rgba(10,25,50,.10);
      display:flex; align-items:center; justify-content:center;
      cursor:pointer;
      opacity:0; pointer-events:none;
      transform: translateY(8px);
      transition: opacity .18s ease, transform .18s ease, border-color .15s ease;
    }
    .backtop.show{
      opacity:1; pointer-events:auto; transform: translateY(0);
    }
    .backtop:hover{ border-color: rgba(27,123,255,.24); }

    .sr-only{
      position:absolute;
      width:1px; height:1px;
      padding:0; margin:-1px;
      overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
    }

    .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; }
      .nav-links{ display:none; }
      .hamburger{ display:flex; }
      .mobile-panel{ display:block; }
      .stats{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .grid-3{ grid-template-columns: 1fr; }
      .grid-2{ grid-template-columns: 1fr; }
      .steps{ grid-template-columns: repeat(2, minmax(0,1fr)); }
      .comment-grid{ grid-template-columns: 1fr; }
      .media-grid{ grid-template-columns: 1fr; }
      .article-grid{ grid-template-columns: 1fr; }
      .price-box{ grid-template-columns: 1fr; }
      .footer-grid{ grid-template-columns: 1fr; }
      th{ position:static; }
    }

    @media (prefers-reduced-motion: reduce){
      html{ scroll-behavior:auto; }
      .reveal{ transition:none; }
      .card, .stat, .btn, .thumb img{ transition:none; }
    }