/* roulang page: index */
:root{
      --bg:#f5f8fc;
      --bg-soft:#eef4fb;
      --card:#ffffff;
      --card-soft:#f8fbff;
      --primary:#246bff;
      --primary-strong:#1b57d6;
      --primary-soft:#e8f0ff;
      --accent:#36c1d8;
      --accent-soft:#e7f9fc;
      --text:#10233f;
      --muted:#5f6f88;
      --soft:#7c8ba2;
      --line:#dbe5f0;
      --line-strong:#c7d6ea;
      --shadow:0 18px 50px rgba(27, 57, 110, .09);
      --shadow-hover:0 24px 60px rgba(27, 57, 110, .14);
      --radius:20px;
      --radius-sm:14px;
      --radius-xs:10px;
      --container:1280px;
      --space:24px;
      --space-lg:32px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(36,107,255,.08), transparent 26%),
        radial-gradient(circle at top right, rgba(54,193,216,.06), transparent 22%),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
      color:inherit;
    }
    button{
      cursor:pointer;
    }
    ::selection{
      background:rgba(36,107,255,.16);
      color:var(--text);
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      background:rgba(233,240,251,.92);
      border-bottom:1px solid rgba(199,214,234,.7);
      color:#3c4c67;
      font-size:.92rem;
    }
    .topbar-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      gap:14px;
      justify-content:space-between;
      flex-wrap:wrap;
      padding:8px 0;
    }
    .topbar-domain{
      font-weight:700;
      letter-spacing:.2px;
      color:var(--primary-strong);
    }
    .topbar-note{
      flex:1;
      text-align:center;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .topbar-action{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border:1px solid rgba(36,107,255,.22);
      background:#fff;
      color:var(--primary-strong);
      border-radius:999px;
      box-shadow:0 8px 20px rgba(36,107,255,.06);
      transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
    }
    .topbar-action:hover{
      transform:translateY(-1px);
      border-color:rgba(36,107,255,.38);
      box-shadow:0 14px 24px rgba(36,107,255,.1);
      background:#fbfdff;
    }
    .topbar-action:focus-visible,
    .nav-link:focus-visible,
    .btn:focus-visible,
    .matrix-card:focus-visible,
    .news-link:focus-visible,
    .footer-link:focus-visible,
    .faq-toggle:focus-visible{
      outline:3px solid rgba(36,107,255,.24);
      outline-offset:2px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:40;
      background:rgba(250,252,255,.92);
      backdrop-filter:saturate(120%);
      border-bottom:1px solid rgba(219,229,240,.9);
      box-shadow:0 10px 30px rgba(17,36,66,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
      padding:14px 0;
    }
    .brand{
      display:inline-flex;
      align-items:flex-start;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(36,107,255,1), rgba(54,193,216,1));
      box-shadow:0 14px 30px rgba(36,107,255,.2);
      position:relative;
      flex:none;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      inset:11px;
      border:2px solid rgba(255,255,255,.95);
      border-radius:11px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width:0;
      gap:2px;
    }
    .brand-name{
      font-size:1.02rem;
      font-weight:800;
      color:var(--text);
      line-height:1.2;
      letter-spacing:.2px;
    }
    .brand-sub{
      font-size:.82rem;
      color:var(--muted);
    }
    .nav-wrap{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      flex:1;
      justify-content:flex-end;
    }
    .nav-scroll{
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      overflow-y:hidden;
      padding:4px;
      max-width:100%;
      scrollbar-width:none;
    }
    .nav-scroll::-webkit-scrollbar{display:none}
    .nav-link{
      flex:none;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 16px;
      border:1px solid transparent;
      border-radius:999px;
      color:#41516b;
      background:transparent;
      transition:transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--primary-strong);
      background:rgba(36,107,255,.06);
      border-color:rgba(36,107,255,.16);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, var(--primary), var(--primary-strong));
      box-shadow:0 12px 24px rgba(36,107,255,.18);
    }
    .nav-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:22px;
      height:22px;
      padding:0 8px;
      border-radius:999px;
      background:rgba(36,107,255,.1);
      color:var(--primary-strong);
      font-size:.76rem;
      font-weight:700;
    }
    .nav-link.active .nav-badge{
      background:rgba(255,255,255,.16);
      color:#fff;
    }
    main{
      display:block;
    }
    section{
      padding:72px 0;
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding-top:68px;
      padding-bottom:58px;
    }
    .hero::before,
    .hero::after{
      content:"";
      position:absolute;
      border-radius:50%;
      pointer-events:none;
      filter:blur(2px);
    }
    .hero::before{
      width:280px;
      height:280px;
      background:rgba(36,107,255,.08);
      top:-70px;
      right:-80px;
    }
    .hero::after{
      width:220px;
      height:220px;
      background:rgba(54,193,216,.08);
      bottom:-80px;
      left:-60px;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy,
    .hero-board,
    .panel,
    .card,
    .faq-item,
    .form-shell,
    .news-shell,
    .compare-shell,
    .feedback-shell,
    .highlight-card{
      background:rgba(255,255,255,.96);
      border:1px solid rgba(219,229,240,.96);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-copy{
      padding:34px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:430px;
    }
    .eyebrow-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:16px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(36,107,255,.08);
      color:var(--primary-strong);
      border:1px solid rgba(36,107,255,.15);
      font-size:.85rem;
      font-weight:600;
      line-height:1;
    }
    .chip.alt{
      background:rgba(54,193,216,.1);
      color:#0b6d7d;
      border-color:rgba(54,193,216,.18);
    }
    .hero h1{
      margin:0;
      font-size:clamp(2.1rem, 4.2vw, 4.3rem);
      line-height:1.12;
      letter-spacing:-.03em;
      color:var(--text);
      max-width:12em;
    }
    .hero p{
      margin:18px 0 0;
      color:var(--muted);
      font-size:1.06rem;
      max-width:42rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), opacity .18s var(--ease);
      font-weight:700;
      letter-spacing:.1px;
    }
    .btn:hover{
      transform:translateY(-1px);
      box-shadow:0 16px 30px rgba(36,107,255,.12);
    }
    .btn:active{
      transform:translateY(0) scale(.99);
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--primary), var(--primary-strong));
      color:#fff;
      box-shadow:0 14px 28px rgba(36,107,255,.18);
    }
    .btn-primary:hover{
      color:#fff;
      background:linear-gradient(135deg, #3a79ff, #1b57d6);
    }
    .btn-secondary{
      background:#fff;
      border-color:rgba(36,107,255,.2);
      color:var(--primary-strong);
    }
    .btn-secondary:hover{
      background:rgba(36,107,255,.04);
      border-color:rgba(36,107,255,.35);
      color:var(--primary-strong);
    }
    .btn-ghost{
      background:rgba(36,107,255,.06);
      border-color:rgba(36,107,255,.08);
      color:var(--primary-strong);
    }
    .hero-note{
      display:flex;
      align-items:flex-start;
      gap:10px;
      margin-top:28px;
      padding:14px 16px;
      border-radius:16px;
      background:linear-gradient(180deg, rgba(36,107,255,.05), rgba(54,193,216,.04));
      border:1px solid rgba(36,107,255,.1);
      color:#3e4f6b;
    }
    .hero-note strong{
      color:var(--primary-strong);
    }
    .hero-board{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:430px;
    }
    .board-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .board-title{
      margin:0;
      font-size:1.05rem;
      font-weight:800;
      color:var(--text);
    }
    .board-sub{
      margin:6px 0 0;
      color:var(--muted);
      font-size:.94rem;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(54,193,216,.1);
      color:#0b6d7d;
      border:1px solid rgba(54,193,216,.16);
      flex:none;
      font-size:.85rem;
      font-weight:700;
      white-space:nowrap;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:14px;
    }
    .stat-card{
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(219,229,240,.92);
      background:linear-gradient(180deg, #fff, #fafcff);
      box-shadow:0 12px 26px rgba(15,35,63,.05);
      min-height:130px;
    }
    .stat-label{
      display:block;
      color:var(--muted);
      font-size:.84rem;
      margin-bottom:8px;
    }
    .stat-value{
      display:flex;
      align-items:baseline;
      gap:8px;
      font-size:1.9rem;
      line-height:1;
      font-weight:800;
      color:var(--text);
    }
    .stat-unit{
      font-size:.92rem;
      color:var(--muted);
      font-weight:600;
    }
    .stat-desc{
      margin:10px 0 0;
      color:#4b5c77;
      font-size:.92rem;
    }
    .mini-meter{
      margin-top:12px;
      height:8px;
      border-radius:999px;
      background:#eaf0f8;
      overflow:hidden;
    }
    .mini-meter span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--primary), var(--accent));
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:26px;
    }
    .section-copy{
      max-width:760px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:var(--primary-strong);
      font-size:.86rem;
      font-weight:800;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .section-kicker::before{
      content:"";
      width:26px;
      height:1.5px;
      background:linear-gradient(90deg, var(--primary), var(--accent));
      border-radius:999px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.5rem, 2.3vw, 2.35rem);
      line-height:1.2;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:52rem;
    }
    .section-action{
      flex:none;
      align-self:center;
    }
    .highlights-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:20px;
    }
    .highlight-card{
      padding:24px;
      position:relative;
      overflow:hidden;
      transition:transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .highlight-card:hover{
      transform:translateY(-2px);
      border-color:rgba(36,107,255,.22);
      box-shadow:var(--shadow-hover);
    }
    .highlight-tag{
      display:inline-flex;
      align-items:center;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(36,107,255,.08);
      color:var(--primary-strong);
      font-weight:700;
      font-size:.82rem;
      margin-bottom:16px;
    }
    .highlight-card h3{
      margin:0;
      font-size:1.18rem;
      line-height:1.28;
    }
    .highlight-card p{
      margin:12px 0 0;
      color:var(--muted);
    }
    .highlight-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      color:var(--primary-strong);
      font-weight:700;
      transition:gap .18s var(--ease), color .18s var(--ease);
    }
    .highlight-card:hover .highlight-link{
      gap:12px;
      color:var(--primary);
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:20px;
    }
    .matrix-card{
      padding:22px;
      transition:transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .matrix-card:hover{
      transform:translateY(-2px);
      border-color:rgba(36,107,255,.24);
      box-shadow:var(--shadow-hover);
    }
    .matrix-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
    }
    .matrix-icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(36,107,255,.12), rgba(54,193,216,.12));
      color:var(--primary-strong);
      font-weight:800;
      box-shadow:inset 0 0 0 1px rgba(36,107,255,.08);
      flex:none;
    }
    .matrix-badge{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(54,193,216,.1);
      color:#0c6f7f;
      font-size:.8rem;
      font-weight:700;
      white-space:nowrap;
    }
    .matrix-card h3{
      margin:0;
      font-size:1.08rem;
      line-height:1.3;
    }
    .matrix-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.96rem;
    }
    .matrix-footer{
      margin-top:18px;
      padding-top:14px;
      border-top:1px solid rgba(219,229,240,.9);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#4b5c77;
      font-size:.92rem;
    }
    .matrix-arrow{
      color:var(--primary-strong);
      font-weight:800;
      transition:transform .18s var(--ease);
    }
    .matrix-card:hover .matrix-arrow{
      transform:translateX(3px);
    }
    .compare-shell{
      padding:24px;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(280px,.85fr);
      gap:22px;
      align-items:start;
    }
    .compare-table-wrap{
      overflow-x:auto;
      border-radius:18px;
      border:1px solid rgba(219,229,240,.88);
      background:#fff;
    }
    .compare-table{
      width:100%;
      border-collapse:collapse;
      min-width:660px;
    }
    .compare-table thead th{
      background:linear-gradient(180deg, #fbfdff, #f3f7fc);
      color:var(--primary-strong);
      font-size:.9rem;
      text-align:left;
      padding:16px 18px;
      border-bottom:1px solid rgba(219,229,240,.9);
    }
    .compare-table tbody th,
    .compare-table tbody td{
      padding:16px 18px;
      vertical-align:top;
      border-bottom:1px solid rgba(233,239,247,.92);
      background:#fff;
    }
    .compare-table tbody tr:nth-child(odd) td,
    .compare-table tbody tr:nth-child(odd) th{
      background:#fcfdff;
    }
    .compare-table tbody th{
      width:24%;
      color:var(--text);
      font-weight:800;
    }
    .compare-good{
      color:#0f6e62;
      font-weight:700;
    }
    .compare-bad{
      color:#7d8797;
    }
    .compare-side{
      display:grid;
      gap:14px;
    }
    .side-card{
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(219,229,240,.92);
      background:linear-gradient(180deg, #fff, #fbfdff);
    }
    .side-card h3{
      margin:0;
      font-size:1rem;
    }
    .side-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.94rem;
    }
    .side-stats{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    .side-stat{
      padding:14px 15px;
      border-radius:16px;
      background:rgba(36,107,255,.05);
      border:1px solid rgba(36,107,255,.08);
    }
    .side-stat strong{
      display:block;
      font-size:1.36rem;
      line-height:1;
      color:var(--primary-strong);
      margin-bottom:6px;
    }
    .side-stat span{
      color:#4c5d77;
      font-size:.92rem;
    }
    .feedback-shell{
      padding:24px;
    }
    .feedback-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .feedback-card{
      padding:22px;
      border-radius:18px;
      border:1px solid rgba(219,229,240,.92);
      background:
        linear-gradient(180deg, #fff, #fbfdff);
      position:relative;
      overflow:hidden;
    }
    .feedback-card::before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:4px;
      background:linear-gradient(90deg, var(--primary), var(--accent));
    }
    .feedback-card blockquote{
      margin:0;
      color:var(--text);
      font-size:1rem;
      line-height:1.8;
    }
    .feedback-meta{
      margin-top:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:.9rem;
    }
    .feedback-chip{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(54,193,216,.1);
      color:#0b6d7d;
      font-weight:700;
      white-space:nowrap;
    }
    .feedback-strip{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:14px;
    }
    .feedback-stat{
      padding:16px 18px;
      border-radius:16px;
      background:linear-gradient(180deg, rgba(36,107,255,.06), rgba(54,193,216,.05));
      border:1px solid rgba(36,107,255,.1);
    }
    .feedback-stat strong{
      display:block;
      font-size:1.24rem;
      line-height:1.1;
      color:var(--primary-strong);
      margin-bottom:6px;
    }
    .feedback-stat span{
      color:#4b5c77;
      font-size:.92rem;
    }
    .news-shell{
      padding:24px;
    }
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);
      gap:22px;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .news-item{
      display:block;
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(219,229,240,.92);
      background:#fff;
      transition:transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .news-item:hover{
      transform:translateY(-2px);
      border-color:rgba(36,107,255,.22);
      box-shadow:var(--shadow-hover);
    }
    .news-title{
      display:flex;
      align-items:flex-start;
      gap:10px;
      font-weight:800;
      line-height:1.45;
      color:var(--text);
    }
    .news-title::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      margin-top:.55em;
      background:linear-gradient(135deg, var(--primary), var(--accent));
      flex:none;
    }
    .news-item p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.94rem;
    }
    .news-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:12px;
      color:#6a7890;
      font-size:.86rem;
    }
    .news-side{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .news-box{
      padding:20px;
      border-radius:18px;
      background:linear-gradient(180deg, #fff, #f8fbff);
      border:1px solid rgba(219,229,240,.92);
    }
    .news-box h3{
      margin:0;
      font-size:1rem;
    }
    .news-box p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.94rem;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(36,107,255,.14);
      color:var(--primary-strong);
      font-size:.86rem;
      font-weight:700;
    }
    .tag.hot{
      background:rgba(36,107,255,.08);
      border-color:rgba(36,107,255,.16);
    }
    .version-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:10px;
    }
    .version-list li{
      display:flex;
      gap:10px;
      color:#4c5d77;
      font-size:.92rem;
      line-height:1.55;
    }
    .version-list li::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      background:rgba(36,107,255,.16);
      margin-top:.45em;
      flex:none;
    }
    .faq-shell{
      display:grid;
      gap:14px;
    }
    .faq-item{
      overflow:hidden;
      border-radius:18px;
      transition:border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
    }
    .faq-item.open{
      border-color:rgba(36,107,255,.24);
      box-shadow:var(--shadow-hover);
      background:linear-gradient(180deg, #fff, #f9fcff);
    }
    .faq-toggle{
      width:100%;
      border:0;
      background:transparent;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      color:var(--text);
      font-weight:800;
      line-height:1.5;
    }
    .faq-arrow{
      flex:none;
      width:30px;
      height:30px;
      border-radius:999px;
      border:1px solid rgba(36,107,255,.14);
      background:rgba(36,107,255,.06);
      color:var(--primary-strong);
      display:grid;
      place-items:center;
      transition:transform .18s var(--ease), background .18s var(--ease);
    }
    .faq-item.open .faq-arrow{
      transform:rotate(90deg);
      background:rgba(36,107,255,.12);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease), opacity .22s var(--ease), padding .22s var(--ease);
      opacity:0;
      padding:0 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{
      max-height:220px;
      opacity:1;
      padding:0 20px 18px;
    }
    .form-shell{
      padding:24px;
    }
    .form-layout{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
      gap:22px;
      align-items:start;
    }
    .form-panel{
      background:linear-gradient(180deg, #fff, #fbfdff);
      border:1px solid rgba(36,107,255,.12);
      border-radius:18px;
      padding:22px;
    }
    .form-panel h3{
      margin:0;
      font-size:1.12rem;
    }
    .form-panel p{
      margin:10px 0 0;
      color:var(--muted);
    }
    .form-grid{
      margin-top:18px;
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:16px;
    }
    .field{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .field.full{
      grid-column:1 / -1;
    }
    label{
      font-size:.9rem;
      font-weight:700;
      color:#405068;
    }
    input,select,textarea{
      width:100%;
      min-height:48px;
      border:1px solid var(--line-strong);
      border-radius:14px;
      background:#fff;
      padding:12px 14px;
      color:var(--text);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.9);
      transition:border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
    }
    textarea{
      min-height:120px;
      resize:vertical;
    }
    input::placeholder,
    textarea::placeholder{
      color:#97a6bd;
    }
    input:focus,
    select:focus,
    textarea:focus{
      outline:none;
      border-color:rgba(36,107,255,.5);
      box-shadow:0 0 0 4px rgba(36,107,255,.12);
    }
    .submitted input:invalid,
    .submitted select:invalid,
    .submitted textarea:invalid{
      border-color:#e97f7f;
      box-shadow:0 0 0 4px rgba(233,127,127,.12);
    }
    .radio-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .radio-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border:1px solid var(--line-strong);
      border-radius:999px;
      background:#fff;
      color:#45566f;
      transition:border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
      cursor:pointer;
    }
    .radio-pill:hover{
      transform:translateY(-1px);
      border-color:rgba(36,107,255,.28);
      background:rgba(36,107,255,.04);
    }
    .radio-pill input{
      width:16px;
      height:16px;
      min-height:16px;
      margin:0;
      accent-color:var(--primary);
    }
    .form-side{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .form-tip{
      padding:18px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(36,107,255,.05), rgba(54,193,216,.04));
      border:1px solid rgba(36,107,255,.1);
    }
    .form-tip h3{
      margin:0;
      font-size:1rem;
    }
    .form-tip p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:.94rem;
    }
    .checkline{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#51627b;
      font-size:.94rem;
    }
    .checkline input{
      width:18px;
      height:18px;
      min-height:18px;
      margin-top:.18em;
      accent-color:var(--primary);
    }
    .submit-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:6px;
    }
    .form-status{
      margin-top:14px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(54,193,216,.1);
      border:1px solid rgba(54,193,216,.18);
      color:#0a6b7b;
      display:none;
    }
    .form-status.show{
      display:block;
    }
    footer{
      margin-top:20px;
      background:linear-gradient(180deg, #f4f8fd, #edf3fb);
      border-top:1px solid rgba(219,229,240,.96);
    }
    .footer-top{
      padding:44px 0 28px;
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr;
      gap:24px;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .footer-brand .brand-name{
      font-size:1.08rem;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      max-width:34rem;
    }
    .footer-cols{
      display:grid;
      gap:12px;
      align-content:start;
    }
    .footer-title{
      margin:0;
      font-size:.92rem;
      color:var(--primary-strong);
      font-weight:800;
      letter-spacing:.06em;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-link{
      color:#4d5e77;
      transition:color .18s var(--ease), transform .18s var(--ease);
      width:fit-content;
    }
    .footer-link:hover{
      color:var(--primary-strong);
      transform:translateX(2px);
    }
    .footer-bottom{
      padding:18px 0 28px;
      border-top:1px solid rgba(219,229,240,.92);
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:space-between;
      align-items:center;
      color:#64748b;
      font-size:.9rem;
    }
    .to-top{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(36,107,255,.12);
      color:var(--primary-strong);
      box-shadow:0 10px 24px rgba(36,107,255,.06);
    }
    .float-top{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:30;
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, var(--primary), var(--primary-strong));
      color:#fff;
      box-shadow:0 18px 34px rgba(36,107,255,.26);
      border:0;
      transition:transform .18s var(--ease), box-shadow .18s var(--ease), opacity .18s var(--ease);
      opacity:.95;
    }
    .float-top:hover{
      transform:translateY(-2px);
      box-shadow:0 22px 36px rgba(36,107,255,.3);
    }
    .float-top:active{
      transform:translateY(0) scale(.99);
    }
    .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;
    }
    @media (max-width: 1080px){
      .hero-grid,
      .compare-grid,
      .news-layout,
      .form-layout,
      .footer-top{
        grid-template-columns:1fr;
      }
      .hero-copy,
      .hero-board{
        min-height:auto;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .section-action{
        align-self:flex-start;
      }
      .highlights-grid,
      .matrix-grid,
      .feedback-grid{
        grid-template-columns:repeat(2, minmax(0,1fr));
      }
      .feedback-strip{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 820px){
      .topbar{
        font-size:.86rem;
      }
      .topbar-note{
        order:3;
        flex-basis:100%;
        text-align:left;
        white-space:normal;
      }
      .header-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .nav-wrap{
        width:100%;
        justify-content:flex-start;
      }
      .nav-scroll{
        width:100%;
      }
      section{
        padding:56px 0;
      }
      .hero{
        padding-top:52px;
      }
      .hero-copy{
        padding:26px;
      }
      .hero-board{
        padding:22px;
      }
      .stats-grid{
        grid-template-columns:1fr 1fr;
      }
      .form-grid{
        grid-template-columns:1fr;
      }
      .compare-table{
        min-width:560px;
      }
    }
    @media (max-width: 560px){
      .container{
        width:min(var(--container), calc(100% - 22px));
      }
      .topbar-inner{
        gap:8px;
      }
      .topbar-action{
        width:100%;
        justify-content:center;
      }
      .brand{
        width:100%;
      }
      .brand-name{
        font-size:.98rem;
      }
      .hero h1{
        max-width:none;
        font-size:clamp(1.8rem, 9vw, 2.8rem);
      }
      .hero p{
        font-size:1rem;
      }
      .hero-actions{
        flex-direction:column;
      }
      .btn{
        width:100%;
      }
      .stats-grid,
      .highlights-grid,
      .matrix-grid,
      .feedback-grid{
        grid-template-columns:1fr;
      }
      .compare-table{
        min-width:520px;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
      .float-top{
        right:14px;
        bottom:14px;
      }
    }

/* roulang page: category1 */
:root{
      --bg: #f4f8fd;
      --bg-soft: #eef5fc;
      --surface: #ffffff;
      --surface-2: #f9fbff;
      --primary: #2f6db6;
      --primary-strong: #255fa2;
      --primary-soft: #e6f0fb;
      --primary-soft-2: #d9e9f8;
      --accent: #62b7df;
      --accent-soft: #e8f7fc;
      --warn: #f3a86d;
      --success: #31b18e;
      --text: #19324f;
      --muted: #61748b;
      --line: #d9e4f1;
      --line-strong: #c7d7ea;
      --shadow: 0 12px 34px rgba(31, 65, 115, .08);
      --shadow-strong: 0 16px 44px rgba(31, 65, 115, .13);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1280px;
      --gap: 24px;
      --gap-lg: 32px;
      --space-xl: 88px;
      --space-lg: 72px;
      --space-md: 56px;
      --space-sm: 40px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }
    *, *::before, *::after{ box-sizing: border-box; }
    html{ scroll-behavior: smooth; }
    body{
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      line-height: 1.7;
      background:
        radial-gradient(1000px 500px at 10% -10%, rgba(47,109,182,.10), transparent 60%),
        radial-gradient(900px 420px at 100% 8%, rgba(98,183,223,.10), transparent 55%),
        linear-gradient(180deg, #f9fcff 0%, #f4f8fd 52%, #f7fafe 100%);
      min-height: 100vh;
      text-rendering: optimizeLegibility;
    }
    a{ color: inherit; text-decoration: none; }
    img{ max-width: 100%; display: block; }
    button, input, select, textarea{
      font: inherit;
      color: inherit;
      outline: none;
    }
    button{ cursor: pointer; }
    ::selection{ background: rgba(47,109,182,.16); color: var(--text); }
    .page-shell{ position: relative; overflow: clip; }
    .container{
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }
    .topbar{
      background: linear-gradient(180deg, #f1f7fe 0%, #eaf3fd 100%);
      border-bottom: 1px solid rgba(47,109,182,.10);
      color: #36516f;
      font-size: 13px;
    }
    .topbar-inner{
      min-height: 40px;
      display: flex;
      align-items: center;
      gap: 14px;
      justify-content: space-between;
      padding: 8px 0;
    }
    .topbar-left,
    .topbar-center,
    .topbar-right{
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }
    .topbar-left{
      flex: 0 0 auto;
      font-weight: 600;
      letter-spacing: .2px;
      color: #29476c;
    }
    .topbar-center{
      flex: 1 1 auto;
      color: #556d88;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      justify-content: center;
    }
    .topbar-right{
      flex: 0 0 auto;
    }
    .topbar-cta{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      height: 30px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(47,109,182,.18);
      background: #fff;
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      box-shadow: 0 4px 10px rgba(31, 65, 115, .04);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
    }
    .topbar-cta:hover{
      transform: translateY(-1px);
      border-color: rgba(47,109,182,.28);
      box-shadow: 0 10px 18px rgba(31, 65, 115, .08);
    }
    .topbar-cta:active{ transform: translateY(0) scale(.99); }

    .site-header{
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(255,255,255,.88);
      backdrop-filter: saturate(140%) blur(8px);
      border-bottom: 1px solid rgba(217,228,241,.9);
      box-shadow: 0 8px 24px rgba(31, 65, 115, .04);
    }
    .header-inner{
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding-top: 12px;
      padding-bottom: 12px;
    }
    .brand{
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      transition: transform .18s var(--ease), opacity .18s var(--ease);
    }
    .brand:hover{ transform: translateY(-1px); }
    .brand:active{ transform: translateY(0); }
    .brand-mark{
      width: 44px;
      height: 44px;
      border-radius: 16px;
      background:
        linear-gradient(145deg, rgba(47,109,182,.96), rgba(98,183,223,.92));
      box-shadow: 0 12px 20px rgba(47,109,182,.18);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark::before,
    .brand-mark::after{
      content: "";
      position: absolute;
      inset: 10px;
      border: 1.5px solid rgba(255,255,255,.85);
      border-radius: 12px;
    }
    .brand-mark::after{
      inset: 15px;
      border-radius: 10px;
      opacity: .65;
    }
    .brand-text{
      display: flex;
      flex-direction: column;
      min-width: 0;
      line-height: 1.2;
    }
    .brand-name{
      font-size: 18px;
      font-weight: 800;
      letter-spacing: .2px;
      color: var(--text);
      white-space: nowrap;
    }
    .brand-sub{
      margin-top: 4px;
      font-size: 12px;
      color: var(--muted);
      letter-spacing: .2px;
    }
    .nav-wrap{
      flex: 1 1 auto;
      min-width: 0;
      display: flex;
      justify-content: flex-end;
    }
    .nav-scroll{
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .nav-scroll::-webkit-scrollbar{ display: none; }
    .nav-link{
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 16px;
      border-radius: 999px;
      border: 1px solid transparent;
      color: #47627c;
      background: transparent;
      font-weight: 600;
      white-space: nowrap;
      transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease);
    }
    .nav-link:hover{
      transform: translateY(-1px);
      border-color: rgba(47,109,182,.15);
      background: rgba(47,109,182,.05);
      color: var(--primary-strong);
    }
    .nav-link.active{
      background: linear-gradient(180deg, #2f6db6 0%, #2a63a9 100%);
      color: #fff;
      box-shadow: 0 10px 20px rgba(47,109,182,.18);
    }
    .nav-badge{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 22px;
      height: 22px;
      border-radius: 999px;
      padding: 0 7px;
      font-size: 12px;
      background: rgba(255,255,255,.16);
      color: inherit;
    }
    .nav-link:not(.active) .nav-badge{
      background: var(--primary-soft);
      color: var(--primary);
    }
    .nav-link:focus-visible,
    .topbar-cta:focus-visible,
    .btn:focus-visible,
    .chip:focus-visible,
    .matrix-card:focus-visible,
    .entry-card:focus-visible,
    .footer-link:focus-visible,
    .to-top:focus-visible,
    .pager-link:focus-visible,
    .load-more:focus-visible,
    .field input:focus-visible,
    .field select:focus-visible,
    .field textarea:focus-visible{
      outline: 3px solid rgba(47,109,182,.25);
      outline-offset: 2px;
    }
    .site-main{
      padding-bottom: 28px;
    }
    .section{
      padding: var(--space-lg) 0;
    }
    .section-tight{
      padding-top: 28px;
      padding-bottom: 28px;
    }
    .section-soft{
      background: linear-gradient(180deg, rgba(255,255,255,.65), rgba(236,244,253,.58));
      border-top: 1px solid rgba(217,228,241,.6);
      border-bottom: 1px solid rgba(217,228,241,.6);
    }
    .section-head{
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 24px;
    }
    .section-title-wrap{ max-width: 760px; }
    .section-kicker{
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: .18em;
      text-transform: uppercase;
    }
    .section-kicker::before{
      content: "";
      width: 28px;
      height: 1px;
      background: linear-gradient(90deg, rgba(47,109,182,.2), rgba(47,109,182,.9));
    }
    .section-title{
      margin: 0;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.2;
      letter-spacing: -.02em;
      color: var(--text);
    }
    .section-desc{
      margin: 12px 0 0;
      color: var(--muted);
      max-width: 760px;
    }
    .section-action{
      flex: 0 0 auto;
      color: var(--primary);
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hero-section{
      padding-top: 32px;
    }
    .hero-grid{
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      align-items: stretch;
    }
    .hero-copy{
      padding: 12px 0;
    }
    .hero-badges{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 16px;
    }
    .badge{
      display: inline-flex;
      align-items: center;
      gap: 6px;
      height: 34px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .01em;
    }
    .badge-soft{
      background: rgba(47,109,182,.08);
      border-color: rgba(47,109,182,.12);
      color: var(--primary-strong);
    }
    .badge-primary{
      background: linear-gradient(180deg, #2f6db6, #2a63a9);
      color: #fff;
      box-shadow: 0 10px 18px rgba(47,109,182,.16);
    }
    .badge-accent{
      background: rgba(98,183,223,.10);
      border-color: rgba(98,183,223,.18);
      color: #2d6f8d;
    }
    .hero-title{
      margin: 0;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.08;
      letter-spacing: -.04em;
      color: var(--text);
      max-width: 12ch;
    }
    .hero-lead{
      margin: 18px 0 0;
      font-size: 17px;
      color: #405973;
      max-width: 52ch;
    }
    .hero-actions{
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .btn{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 20px;
      border-radius: 14px;
      border: 1px solid transparent;
      font-weight: 700;
      letter-spacing: .01em;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
    }
    .btn:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 22px rgba(31, 65, 115, .10);
    }
    .btn:active{ transform: translateY(0) scale(.99); }
    .btn-primary{
      background: linear-gradient(180deg, #2f6db6 0%, #2a63a9 100%);
      color: #fff;
      border-color: rgba(47,109,182,.18);
      box-shadow: 0 12px 24px rgba(47,109,182,.16);
    }
    .btn-secondary{
      background: #fff;
      color: var(--primary);
      border-color: rgba(47,109,182,.18);
    }
    .hero-note{
      margin-top: 16px;
      padding: 14px 16px;
      border-radius: 16px;
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(240,246,253,.92));
      border: 1px solid rgba(217,228,241,.92);
      color: #50667f;
      box-shadow: 0 10px 24px rgba(31,65,115,.05);
      max-width: 56ch;
    }
    .hero-panel{
      background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(246,250,255,.96));
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-lg);
      padding: 22px;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      gap: 16px;
      position: relative;
      overflow: hidden;
    }
    .hero-panel::before{
      content: "";
      position: absolute;
      inset: -40px -60px auto auto;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(98,183,223,.17) 0%, rgba(98,183,223,.02) 60%, transparent 70%);
      pointer-events: none;
    }
    .hero-panel-top{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      justify-content: space-between;
    }
    .status-group{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .status-pill{
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(47,109,182,.08);
      color: var(--primary-strong);
      font-size: 13px;
      font-weight: 700;
    }
    .status-pill .dot{
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(49,177,142,.12);
    }
    .kpi-grid{
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
    .kpi-card{
      border-radius: 18px;
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      padding: 16px;
      box-shadow: 0 8px 20px rgba(31, 65, 115, .04);
    }
    .kpi-num{
      display: flex;
      align-items: baseline;
      gap: 6px;
      font-size: 26px;
      font-weight: 800;
      line-height: 1;
      color: var(--primary);
      letter-spacing: -.03em;
    }
    .kpi-num small{
      font-size: 13px;
      color: var(--muted);
      font-weight: 700;
    }
    .kpi-label{
      margin-top: 8px;
      color: #50667f;
      font-size: 13px;
    }
    .meter{
      margin-top: 10px;
      width: 100%;
      height: 8px;
      border-radius: 999px;
      background: #e7eef7;
      overflow: hidden;
    }
    .meter > span{
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #2f6db6, #62b7df);
      box-shadow: 0 0 0 1px rgba(47,109,182,.08) inset;
    }
    .hero-scan{
      border-radius: 18px;
      border: 1px solid rgba(217,228,241,.95);
      background: linear-gradient(180deg, #ffffff, #f7fbff);
      padding: 16px;
    }
    .hero-scan-title{
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
      font-size: 14px;
      font-weight: 800;
      color: var(--text);
    }
    .hero-scan-title span{
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
    }
    .hero-scan-list{
      display: grid;
      gap: 12px;
    }
    .scan-row{
      display: grid;
      grid-template-columns: 102px 1fr 44px;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: #465c74;
    }
    .scan-row strong{
      text-align: right;
      color: var(--primary);
    }
    .scan-track{
      width: 100%;
      height: 8px;
      border-radius: 999px;
      background: #e6eef7;
      overflow: hidden;
    }
    .scan-track span{
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #2f6db6, #8dc9ea);
    }
    .filter-strip{
      margin-top: 24px;
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.9);
      border: 1px solid rgba(217,228,241,.96);
      box-shadow: var(--shadow);
    }
    .filter-row{
      display: grid;
      grid-template-columns: 1.5fr 1fr auto;
      gap: 14px;
      align-items: center;
    }
    .search-box{
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 54px;
      border-radius: 16px;
      padding: 0 16px;
      background: var(--surface-2);
      border: 1px solid rgba(191,215,238,.8);
      transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
    }
    .search-box:focus-within{
      border-color: rgba(47,109,182,.32);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(47,109,182,.08);
    }
    .search-box svg{
      flex: 0 0 auto;
      color: var(--primary);
    }
    .search-box input{
      width: 100%;
      border: 0;
      background: transparent;
      color: var(--text);
    }
    .search-box input::placeholder{ color: #7d8fa3; }
    .chip-row{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .chip{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(47,109,182,.18);
      background: #fff;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
    }
    .chip:hover{
      transform: translateY(-1px);
      box-shadow: 0 10px 18px rgba(31,65,115,.08);
      border-color: rgba(47,109,182,.28);
    }
    .chip.active{
      background: linear-gradient(180deg, #2f6db6, #2a63a9);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 10px 18px rgba(47,109,182,.18);
    }
    .chip-rail{
      display: flex;
      gap: 8px;
      justify-content: flex-end;
      flex-wrap: wrap;
    }
    .chip-rail .chip{
      min-width: 86px;
    }

    .update-strip{
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 18px;
    }
    .update-card{
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: 0 8px 20px rgba(31,65,115,.05);
    }
    .update-top{
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
    }
    .update-top .update-dot{
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(47,109,182,.18);
      box-shadow: 0 0 0 5px rgba(47,109,182,.08);
    }
    .update-title{
      margin: 0;
      font-size: 16px;
      line-height: 1.35;
      color: var(--text);
    }
    .update-desc{
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .matrix-grid{
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }
    .matrix-card{
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 200px;
      background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 0 10px 24px rgba(31,65,115,.05);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .matrix-card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow-strong);
      border-color: rgba(47,109,182,.26);
    }
    .matrix-head{
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .matrix-icon{
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      font-weight: 800;
      color: var(--primary);
      background: linear-gradient(180deg, rgba(47,109,182,.12), rgba(98,183,223,.10));
      border: 1px solid rgba(47,109,182,.12);
      flex: 0 0 auto;
    }
    .matrix-name{
      margin: 0;
      font-size: 18px;
      line-height: 1.25;
      color: var(--text);
    }
    .matrix-desc{
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .matrix-tags{
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }
    .tag{
      display: inline-flex;
      align-items: center;
      height: 28px;
      padding: 0 11px;
      border-radius: 999px;
      border: 1px solid rgba(47,109,182,.12);
      background: rgba(47,109,182,.05);
      color: #496781;
      font-size: 12px;
      font-weight: 600;
    }
    .matrix-footer{
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px solid rgba(217,228,241,.9);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
    }
    .matrix-arrow{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 26px;
      height: 26px;
      border-radius: 999px;
      background: rgba(47,109,182,.08);
      color: var(--primary);
    }

    .browse-layout{
      display: grid;
      grid-template-columns: 1.95fr .9fr;
      gap: 24px;
      align-items: start;
    }
    .browse-list{
      display: grid;
      gap: 16px;
    }
    .list-title{
      margin: 0 0 6px;
      font-size: 22px;
      line-height: 1.25;
      color: var(--text);
    }
    .list-sub{
      margin: 0 0 18px;
      color: var(--muted);
    }
    .entry-card{
      display: grid;
      grid-template-columns: 132px 1fr;
      gap: 18px;
      padding: 16px;
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-md);
      box-shadow: 0 10px 22px rgba(31,65,115,.05);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .entry-card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow-strong);
      border-color: rgba(47,109,182,.24);
    }
    .entry-thumb{
      border-radius: 18px;
      min-height: 138px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(47,109,182,.14);
      background:
        linear-gradient(145deg, rgba(47,109,182,.92), rgba(98,183,223,.75));
      display: flex;
      align-items: end;
      justify-content: start;
      padding: 14px;
      color: #fff;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .entry-thumb::before{
      content: "";
      position: absolute;
      inset: auto -10% -18% auto;
      width: 96px;
      height: 96px;
      border-radius: 50%;
      background: rgba(255,255,255,.16);
    }
    .entry-thumb::after{
      content: "";
      position: absolute;
      inset: 16px 16px auto auto;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.36);
      opacity: .9;
    }
    .thumb-mark{
      position: relative;
      z-index: 1;
      font-size: 30px;
      font-weight: 900;
      line-height: 1;
      text-shadow: 0 4px 14px rgba(0,0,0,.12);
    }
    .entry-body{
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .entry-top{
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .entry-name{
      margin: 0;
      font-size: 20px;
      line-height: 1.25;
      color: var(--text);
    }
    .entry-state{
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      height: 28px;
      padding: 0 11px;
      border-radius: 999px;
      background: rgba(49,177,142,.10);
      color: #1d876c;
      font-size: 12px;
      font-weight: 800;
    }
    .entry-state.state-hot{
      background: rgba(243,168,109,.14);
      color: #b66a26;
    }
    .entry-summary{
      margin: 10px 0 0;
      color: #51667f;
    }
    .entry-tags{
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }
    .entry-meta{
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 15px;
      color: #6c7f95;
      font-size: 13px;
    }
    .entry-stat{
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .entry-stat strong{
      color: var(--primary);
    }
    .entry-actions{
      margin-top: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .entry-btn{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      height: 40px;
      padding: 0 14px;
      border-radius: 12px;
      border: 1px solid rgba(47,109,182,.18);
      background: #fff;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .entry-btn:hover{
      transform: translateY(-1px);
      border-color: rgba(47,109,182,.28);
      box-shadow: 0 10px 18px rgba(31,65,115,.08);
    }
    .sidebar{
      position: sticky;
      top: 108px;
      display: grid;
      gap: 16px;
    }
    .sidebar-card{
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: 0 10px 22px rgba(31,65,115,.05);
    }
    .sidebar-title{
      margin: 0 0 14px;
      font-size: 17px;
      line-height: 1.25;
      color: var(--text);
    }
    .sidebar-note{
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .sidebar-chips{
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .sidebar-list{
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .sidebar-list li{
      display: flex;
      align-items: start;
      gap: 10px;
      color: #4f657c;
      font-size: 14px;
    }
    .sidebar-list li::before{
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 4px rgba(47,109,182,.08);
      flex: 0 0 auto;
    }
    .quick-links{
      display: grid;
      gap: 10px;
    }
    .quick-link{
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      height: 46px;
      padding: 0 14px;
      border-radius: 14px;
      border: 1px solid rgba(47,109,182,.14);
      background: rgba(47,109,182,.04);
      color: var(--primary-strong);
      font-weight: 700;
      transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
    }
    .quick-link:hover{
      transform: translateY(-1px);
      background: rgba(47,109,182,.07);
      border-color: rgba(47,109,182,.24);
    }
    .list-footer{
      margin-top: 18px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }
    .pagination{
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .pager-link{
      min-width: 42px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid rgba(47,109,182,.16);
      background: #fff;
      color: var(--primary);
      font-weight: 700;
      box-shadow: 0 8px 16px rgba(31,65,115,.04);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
    }
    .pager-link:hover{
      transform: translateY(-1px);
      box-shadow: 0 12px 20px rgba(31,65,115,.08);
    }
    .pager-link.active{
      background: linear-gradient(180deg, #2f6db6, #2a63a9);
      color: #fff;
      border-color: transparent;
    }
    .load-more{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 48px;
      padding: 0 20px;
      border-radius: 14px;
      border: 1px solid rgba(47,109,182,.18);
      background: #fff;
      color: var(--primary);
      font-weight: 800;
      box-shadow: 0 10px 18px rgba(31,65,115,.05);
      transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
    }
    .load-more:hover{
      transform: translateY(-1px);
      box-shadow: 0 14px 24px rgba(31,65,115,.09);
      border-color: rgba(47,109,182,.28);
    }

    .compare-grid{
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .compare-card{
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 0 10px 22px rgba(31,65,115,.05);
    }
    .compare-title{
      margin: 0;
      font-size: 18px;
      color: var(--text);
    }
    .compare-score{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 60px;
      height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(47,109,182,.08);
      color: var(--primary);
      font-weight: 800;
    }
    .compare-head{
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }
    .compare-sub{
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 14px;
    }
    .compare-meter{
      width: 100%;
      height: 10px;
      border-radius: 999px;
      background: #e7eef7;
      overflow: hidden;
      margin: 12px 0 16px;
    }
    .compare-meter span{
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #2f6db6, #8ac6ea);
    }
    .compare-list{
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .compare-list li{
      display: flex;
      align-items: start;
      gap: 10px;
      color: #50667f;
      font-size: 14px;
    }
    .compare-list li::before{
      content: "·";
      color: var(--primary);
      font-weight: 900;
      line-height: 1;
      margin-top: 2px;
    }

    .faq-list{
      display: grid;
      gap: 12px;
    }
    details.faq-item{
      border-radius: 18px;
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      box-shadow: 0 10px 20px rgba(31,65,115,.05);
      overflow: hidden;
      transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
    }
    details.faq-item[open]{
      border-color: rgba(47,109,182,.22);
      box-shadow: 0 14px 28px rgba(31,65,115,.08);
      background: #fff;
    }
    summary.faq-summary{
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 20px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
    }
    summary.faq-summary::-webkit-details-marker{ display: none; }
    .faq-arrow{
      flex: 0 0 auto;
      width: 32px;
      height: 32px;
      border-radius: 999px;
      background: rgba(47,109,182,.08);
      color: var(--primary);
      display: grid;
      place-items: center;
      font-size: 18px;
      transition: transform .18s var(--ease), background .18s var(--ease);
    }
    details[open] .faq-arrow{
      transform: rotate(90deg);
      background: rgba(47,109,182,.12);
    }
    .faq-body{
      padding: 0 20px 18px;
      color: #50667f;
    }
    .faq-body p{
      margin: 0;
    }

    .form-shell{
      background: linear-gradient(180deg, #fff, #f8fbff);
      border: 1px solid rgba(217,228,241,.95);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 24px;
    }
    .form-top{
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }
    .form-title{
      margin: 0;
      font-size: 24px;
      line-height: 1.2;
      color: var(--text);
    }
    .form-desc{
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 680px;
    }
    .form-badge{
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 36px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(98,183,223,.12);
      color: #295d79;
      font-size: 13px;
      font-weight: 800;
    }
    .form-grid{
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      margin-top: 18px;
    }
    .field{
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .field.span-2{ grid-column: span 2; }
    .field label{
      font-size: 13px;
      font-weight: 800;
      color: #425a72;
    }
    .field input,
    .field select,
    .field textarea{
      width: 100%;
      min-height: 52px;
      border-radius: 14px;
      border: 1px solid rgba(191,215,238,.95);
      background: #fff;
      padding: 0 16px;
      color: var(--text);
      transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
    }
    .field textarea{
      min-height: 130px;
      padding: 14px 16px;
      resize: vertical;
      line-height: 1.7;
    }
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color: rgba(47,109,182,.36);
      box-shadow: 0 0 0 4px rgba(47,109,182,.08);
      background: #fff;
    }
    .field input:valid:not(:placeholder-shown),
    .field select:valid,
    .field textarea:valid{
      border-color: rgba(49,177,142,.34);
    }
    .field input:invalid:not(:placeholder-shown),
    .field select:invalid:not(:focus),
    .field textarea:invalid:not(:focus){
      border-color: rgba(236,126,96,.34);
    }
    .form-help{
      margin-top: 10px;
      font-size: 13px;
      color: var(--muted);
    }
    .form-actions{
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 18px;
      flex-wrap: wrap;
    }
    .form-note{
      color: var(--muted);
      font-size: 13px;
    }
    .btn-wide{
      min-width: 160px;
    }

    footer{
      margin-top: 20px;
      background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(243,248,253,.98));
      border-top: 1px solid rgba(217,228,241,.95);
    }
    .footer-top{
      padding: 34px 0 22px;
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap: 24px;
    }
    .footer-brand .brand{
      margin-bottom: 14px;
    }
    .footer-brand p{
      margin: 0;
      color: var(--muted);
      max-width: 36ch;
    }
    .footer-cols{
      min-width: 0;
    }
    .footer-title{
      margin: 8px 0 16px;
      font-size: 15px;
      color: var(--text);
    }
    .footer-links{
      display: flex;
      flex-wrap: wrap;
      gap: 10px 12px;
    }
    .footer-link{
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 10px;
      border-radius: 10px;
      color: #4f6780;
      transition: color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
    }
    .footer-link:hover{
      color: var(--primary);
      background: rgba(47,109,182,.06);
      transform: translateY(-1px);
    }
    .footer-bottom{
      padding: 16px 0 24px;
      border-top: 1px solid rgba(217,228,241,.85);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: #587089;
      font-size: 13px;
    }
    .to-top{
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 700;
    }

    @media (max-width: 1120px){
      .hero-grid,
      .browse-layout{
        grid-template-columns: 1fr;
      }
      .sidebar{
        position: static;
      }
      .filter-row{
        grid-template-columns: 1fr;
      }
      .chip-rail{
        justify-content: flex-start;
      }
      .update-strip,
      .matrix-grid,
      .compare-grid{
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }
    @media (max-width: 860px){
      .header-inner{
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-wrap{
        width: 100%;
        justify-content: flex-start;
      }
      .topbar-inner{
        gap: 8px;
        flex-wrap: nowrap;
      }
      .topbar-center{
        justify-content: flex-start;
      }
      .section-head,
      .form-top{
        flex-direction: column;
        align-items: flex-start;
      }
      .entry-card{
        grid-template-columns: 1fr;
      }
      .entry-thumb{
        min-height: 130px;
      }
      .update-strip{
        grid-template-columns: 1fr;
      }
      .matrix-grid,
      .compare-grid{
        grid-template-columns: 1fr;
      }
      .footer-top{
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 640px){
      .container{
        width: min(var(--container), calc(100% - 28px));
      }
      .site-main{
        padding-bottom: 16px;
      }
      .section{
        padding: var(--space-sm) 0;
      }
      .hero-section{
        padding-top: 22px;
      }
      .hero-title{
        max-width: none;
      }
      .hero-lead{
        font-size: 16px;
      }
      .kpi-grid{
        grid-template-columns: 1fr;
      }
      .search-box{
        min-height: 50px;
      }
      .form-grid{
        grid-template-columns: 1fr;
      }
      .field.span-2{
        grid-column: auto;
      }
      .form-shell{
        padding: 18px;
      }
      .nav-link{
        padding: 10px 14px;
      }
      .footer-bottom{
        flex-direction: column;
        align-items: flex-start;
      }
      .summary-hide{
        display: none;
      }
    }
    @media (max-width: 520px){
      .topbar{
        font-size: 12px;
      }
      .topbar-center{
        display: none;
      }
      .topbar-inner{
        justify-content: space-between;
      }
      .brand-name{
        white-space: normal;
      }
      .hero-actions{
        display: grid;
        grid-template-columns: 1fr;
      }
      .btn{
        width: 100%;
      }
      .chip-rail{
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 2px;
      }
      .chip-rail .chip{
        flex: 0 0 auto;
      }
      .summary-hide{
        display: none;
      }
      summary.faq-summary{
        padding: 16px;
        font-size: 15px;
      }
      .faq-body{
        padding: 0 16px 16px;
      }
    }