/* roulang page: index */
:root{
      --bg:#f4f5f7;
      --bg-soft:#eef1f4;
      --surface:#ffffff;
      --surface-2:#fbfbfc;
      --ink:#16181d;
      --ink-soft:#4e5661;
      --muted:#7a828d;
      --line:#d7dde4;
      --line-strong:#c6cdd5;
      --accent:#d61f2c;
      --accent-2:#1fbec7;
      --accent-3:#111317;
      --accent-soft:rgba(214,31,44,.08);
      --shadow:0 18px 40px rgba(17,19,23,.08);
      --shadow-soft:0 10px 24px rgba(17,19,23,.06);
      --radius:16px;
      --radius-sm:12px;
      --radius-xs:10px;
      --space:clamp(16px,2vw,24px);
      --container:1200px;
      --transition:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at 20% 0%, rgba(214,31,44,.04), transparent 18%),
        radial-gradient(circle at 82% 8%, rgba(31,190,199,.06), transparent 16%),
        linear-gradient(180deg,#fafbfc 0%, #f4f5f7 40%, #eef1f4 100%);
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(214,31,44,.18);color:var(--ink)}
    .grid-container{max-width:var(--container);padding-left:clamp(16px,2vw,24px);padding-right:clamp(16px,2vw,24px)}
    .site-shell{position:relative;overflow:hidden}
    .site-shell::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(17,19,23,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17,19,23,.025) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.6), transparent 90%);
      opacity:.6;
      z-index:-1;
    }
    .top-strip{
      background:#111317;
      color:#d9dee5;
      font-size:.86rem;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .top-strip-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:8px 0;
    }
    .top-strip-left{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      flex:1;
    }
    .strip-label{
      color:#fff;
      font-weight:700;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .ticker{
      position:relative;
      overflow:hidden;
      min-width:0;
      flex:1;
      mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
    }
    .ticker-track{
      display:flex;
      align-items:center;
      gap:26px;
      width:max-content;
      animation: ticker 24s linear infinite;
      white-space:nowrap;
    }
    .ticker-track span{
      position:relative;
      padding-left:14px;
      color:#b9c1cb;
    }
    .ticker-track span::before{
      content:"";
      position:absolute;
      left:0;
      top:50%;
      width:5px;
      height:5px;
      border-radius:50%;
      background:var(--accent);
      transform:translateY(-50%);
    }
    .lang-switch{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .lang-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      color:#e7ebf0;
      background:rgba(255,255,255,.04);
      font-size:.8rem;
      line-height:1;
      white-space:nowrap;
    }
    .lang-pill strong{font-weight:700}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(248,249,251,.92);
      backdrop-filter:saturate(140%) blur(12px);
      border-bottom:1px solid rgba(214,221,228,.8);
      box-shadow:0 4px 14px rgba(17,19,23,.03);
    }
    .top-bar{
      background:transparent;
      padding:14px 0;
    }
    .top-bar,
    .top-bar ul{
      display:flex;
      align-items:center;
      gap:18px;
    }
    .top-bar-left,
    .top-bar-right{
      display:flex;
      align-items:center;
      gap:18px;
      min-width:0;
    }
    .top-bar-left{flex:0 0 auto}
    .top-bar-right{
      flex:1 1 auto;
      justify-content:flex-end;
      flex-wrap:wrap;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      font-size:1.12rem;
      letter-spacing:.02em;
      color:var(--ink);
    }
    .brand::before{
      content:"";
      width:14px;
      height:14px;
      border-radius:4px;
      background:linear-gradient(135deg,var(--accent),#ff6a74);
      box-shadow:0 0 0 4px rgba(214,31,44,.12);
      flex:0 0 auto;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
      flex-wrap:wrap;
    }
    .main-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      padding:9px 12px;
      border-radius:999px;
      color:var(--ink-soft);
      font-weight:600;
      line-height:1;
    }
    .main-nav a::after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:5px;
      height:2px;
      border-radius:2px;
      background:transparent;
      transform:scaleX(.3);
      transform-origin:center;
      transition:transform var(--transition),background var(--transition);
    }
    .main-nav a:hover,
    .main-nav a:focus-visible{
      color:var(--ink);
      background:rgba(17,19,23,.04);
    }
    .main-nav a:hover::after,
    .main-nav a:focus-visible::after,
    .main-nav a.is-active::after{
      background:var(--accent);
      transform:scaleX(1);
    }
    .main-nav a.is-active{
      color:var(--ink);
      background:rgba(214,31,44,.08);
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
    }
    .search-form{
      display:flex;
      align-items:center;
      gap:0;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:999px;
      overflow:hidden;
      box-shadow:0 8px 18px rgba(17,19,23,.04);
      min-width:min(320px,100%);
    }
    .search-form input{
      margin:0;
      border:0;
      box-shadow:none;
      background:transparent;
      height:42px;
      padding:0 14px 0 16px;
      color:var(--ink);
    }
    .search-form input::placeholder{color:#8a929d}
    .search-form button{
      margin:0;
      border:0;
      height:42px;
      padding:0 16px;
      background:var(--accent);
      color:#fff;
      font-weight:700;
      transition:transform var(--transition),filter var(--transition);
    }
    .search-form button:hover{filter:brightness(1.04);transform:translateY(-1px)}
    .search-form:focus-within{
      border-color:rgba(214,31,44,.45);
      box-shadow:0 0 0 4px rgba(214,31,44,.09);
    }
    .lang-switch-inline{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .lang-switch-inline .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:var(--surface);
      color:var(--ink-soft);
      font-size:.84rem;
      font-weight:600;
      box-shadow:0 6px 14px rgba(17,19,23,.03);
    }
    .lang-switch-inline .pill.active{
      color:var(--ink);
      border-color:rgba(214,31,44,.28);
      background:rgba(214,31,44,.07);
    }
    .hero{
      position:relative;
      padding:clamp(2.2rem,4vw,4.5rem) 0 clamp(1.8rem,3.5vw,3.5rem);
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(214,31,44,.06), transparent 36%),
        linear-gradient(90deg, transparent 0%, rgba(17,19,23,.03) 50%, transparent 100%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      left:50%;
      top:12%;
      width:520px;
      height:520px;
      transform:translateX(-14%);
      background:
        radial-gradient(circle at center, rgba(31,190,199,.08), transparent 58%),
        radial-gradient(circle at 30% 30%, rgba(214,31,44,.06), transparent 34%);
      filter:blur(8px);
      pointer-events:none;
      opacity:.9;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      align-items:stretch;
    }
    .hero-copy,
    .hero-board{
      height:100%;
    }
    .hero-copy{
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.86));
      border:1px solid rgba(214,221,228,.9);
      border-radius:calc(var(--radius) + 4px);
      box-shadow:var(--shadow);
      padding:clamp(24px,4vw,40px);
      display:flex;
      flex-direction:column;
      gap:18px;
      min-height:100%;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(214,31,44,.08);
      color:var(--accent);
      font-size:.82rem;
      font-weight:800;
      letter-spacing:.04em;
      text-transform:uppercase;
    }
    .eyebrow i{font-size:.9em}
    .hero h1{
      margin:0;
      color:var(--ink);
      font-size:clamp(2rem,5vw,3.8rem);
      line-height:1.06;
      letter-spacing:-.03em;
      font-weight:900;
    }
    .hero-lead{
      margin:0;
      color:var(--ink-soft);
      font-size:1.05rem;
      max-width:36rem;
    }
    .hero-chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:var(--surface-2);
      color:var(--ink-soft);
      font-size:.88rem;
      font-weight:600;
    }
    .chip strong{color:var(--ink)}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:auto;
      padding-top:6px;
    }
    .button,
    .button.hollow{
      margin:0;
      border-radius:999px;
      font-weight:800;
      padding:.95rem 1.2rem;
      line-height:1;
      transition:transform var(--transition),background var(--transition),color var(--transition),border-color var(--transition),box-shadow var(--transition),filter var(--transition);
    }
    .button{
      background:var(--accent);
      color:#fff;
      box-shadow:0 12px 26px rgba(214,31,44,.20);
    }
    .button:hover,
    .button:focus-visible{
      background:#be1a26;
      color:#fff;
      transform:translateY(-1px);
      box-shadow:0 16px 28px rgba(214,31,44,.23);
    }
    .button.hollow{
      border:1px solid rgba(214,31,44,.24);
      background:rgba(214,31,44,.04);
      color:var(--accent);
    }
    .button.hollow:hover,
    .button.hollow:focus-visible{
      background:rgba(214,31,44,.08);
      color:var(--accent);
      transform:translateY(-1px);
    }
    .button.secondary{
      background:var(--accent-3);
      color:#fff;
      box-shadow:0 12px 26px rgba(17,19,23,.14);
    }
    .button.secondary:hover,
    .button.secondary:focus-visible{
      background:#1a1d23;
      color:#fff;
    }
    .hero-board{
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .board-shell{
      position:relative;
      background:
        linear-gradient(180deg, rgba(17,19,23,.97), rgba(27,31,37,.98));
      color:#edf1f5;
      border-radius:calc(var(--radius) + 4px);
      border:1px solid rgba(255,255,255,.07);
      box-shadow:var(--shadow);
      padding:20px;
      overflow:hidden;
      min-height:100%;
    }
    .board-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
      background-size:20px 20px;
      opacity:.25;
      pointer-events:none;
    }
    .board-shell > *{position:relative;z-index:1}
    .board-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:16px;
    }
    .board-title{
      margin:0;
      color:#fff;
      font-size:1.15rem;
      font-weight:800;
      line-height:1.25;
    }
    .board-sub{
      margin:6px 0 0;
      color:#9eabb9;
      font-size:.92rem;
    }
    .board-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(214,31,44,.16);
      color:#ffd6da;
      font-size:.8rem;
      font-weight:800;
      white-space:nowrap;
    }
    .stat-mini-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-bottom:14px;
    }
    .mini-card{
      border-radius:14px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      padding:14px;
      min-height:100px;
    }
    .mini-label{
      color:#aeb9c6;
      font-size:.82rem;
      font-weight:700;
      margin-bottom:10px;
    }
    .mini-value{
      display:block;
      color:#fff;
      font-size:1.65rem;
      line-height:1.1;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .mini-note{
      display:block;
      margin-top:8px;
      color:#8d98a6;
      font-size:.86rem;
      line-height:1.45;
    }
    .micro-chart{
      border-radius:14px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      padding:16px;
    }
    .micro-chart-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .micro-chart-head strong{
      color:#fff;
      font-size:.98rem;
    }
    .micro-chart-head span{
      color:#96a2b0;
      font-size:.84rem;
    }
    .bars{
      display:grid;
      gap:10px;
    }
    .bar-row{
      display:grid;
      grid-template-columns:74px 1fr 34px;
      gap:10px;
      align-items:center;
      color:#c6d1dc;
      font-size:.82rem;
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      overflow:hidden;
    }
    .bar i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), #ff6d78);
      box-shadow:0 8px 12px rgba(214,31,44,.25);
    }
    .hero-foot{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:auto;
      padding-top:4px;
    }
    .hero-foot .chip{
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.09);
      color:#d9e2ec;
    }
    .stats-band{
      padding:0 0 8px;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(5,minmax(0,1fr));
      gap:14px;
    }
    .stat-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:18px 18px 16px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
      min-height:138px;
    }
    .stat-card:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(17,19,23,.08);
      border-color:rgba(214,31,44,.24);
    }
    .stat-card .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-size:.8rem;
      font-weight:800;
      letter-spacing:.02em;
    }
    .stat-num{
      margin-top:8px;
      color:var(--ink);
      font-size:1.6rem;
      font-weight:900;
      line-height:1;
      letter-spacing:-.03em;
    }
    .stat-text{
      margin-top:10px;
      color:var(--ink-soft);
      font-size:.94rem;
      line-height:1.55;
    }
    .section-block{
      padding:clamp(1.5rem,3vw,2.5rem) 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
    }
    .section-head .title-wrap{
      max-width:44rem;
    }
    .section-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-weight:800;
      font-size:.84rem;
      letter-spacing:.08em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.4rem,3vw,2rem);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:10px 0 0;
      color:var(--ink-soft);
      max-width:50rem;
      font-size:1rem;
    }
    .section-link{
      white-space:nowrap;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--ink-soft);
      background:var(--surface);
      font-weight:700;
    }
    .section-link:hover,
    .section-link:focus-visible{
      border-color:rgba(214,31,44,.24);
      color:var(--accent);
      background:rgba(214,31,44,.04);
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
    }
    .matrix-card{
      position:relative;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:20px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      min-height:220px;
      display:flex;
      flex-direction:column;
      gap:14px;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .matrix-card:hover{
      transform:translateY(-2px);
      border-color:rgba(214,31,44,.22);
      box-shadow:0 16px 30px rgba(17,19,23,.08);
    }
    .matrix-card.featured{
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,249,251,.96));
      border-color:rgba(214,31,44,.18);
    }
    .matrix-card .icon{
      width:48px;
      height:48px;
      border-radius:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(214,31,44,.08);
      color:var(--accent);
      font-size:1.2rem;
    }
    .matrix-card h3{
      margin:0;
      font-size:1.08rem;
      font-weight:900;
      line-height:1.3;
    }
    .matrix-card p{
      margin:0;
      color:var(--ink-soft);
      line-height:1.65;
      font-size:.95rem;
    }
    .card-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-top:auto;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--bg-soft);
      color:var(--ink-soft);
      border:1px solid var(--line);
      font-size:.78rem;
      font-weight:700;
    }
    .tag.hot{
      background:rgba(214,31,44,.08);
      color:var(--accent);
      border-color:rgba(214,31,44,.18);
    }
    .tag.info{
      background:rgba(31,190,199,.08);
      color:#12858d;
      border-color:rgba(31,190,199,.18);
    }
    .matrix-card .mini-link{
      margin-left:auto;
      color:var(--accent);
      font-weight:800;
      font-size:.88rem;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .matrix-card .mini-link:hover{transform:translateX(2px)}
    .compare-wrap{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:start;
    }
    .compare-card,
    .support-card,
    .form-card,
    .news-panel,
    .faq-panel{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .compare-card .inner,
    .support-card .inner,
    .form-card .inner,
    .news-panel .inner,
    .faq-panel .inner{
      padding:20px;
    }
    .compare-table{
      width:100%;
      border-collapse:collapse;
      font-size:.95rem;
    }
    .compare-table th,
    .compare-table td{
      padding:14px 12px;
      vertical-align:top;
      border-bottom:1px solid var(--line);
    }
    .compare-table th{
      color:var(--ink);
      font-weight:800;
      background:#fafbfc;
      white-space:nowrap;
      text-align:left;
    }
    .compare-table td{
      color:var(--ink-soft);
    }
    .compare-table tbody tr:nth-child(even) td{
      background:#fcfcfd;
    }
    .compare-table .highlight{
      color:var(--ink);
      font-weight:700;
    }
    .compare-side{
      display:grid;
      gap:14px;
    }
    .support-card{
      background:linear-gradient(180deg, rgba(17,19,23,.98), rgba(28,33,39,.98));
      color:#eff4f8;
      position:relative;
    }
    .support-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 85% 12%, rgba(31,190,199,.12), transparent 22%),
        radial-gradient(circle at 16% 18%, rgba(214,31,44,.14), transparent 24%);
      pointer-events:none;
    }
    .support-card .inner{position:relative}
    .support-card h3{
      margin:0 0 10px;
      font-size:1.05rem;
      font-weight:900;
    }
    .support-card p{
      margin:0;
      color:#c5cfda;
      line-height:1.65;
    }
    .support-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .support-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .support-item i{
      color:#ff808a;
      margin-top:3px;
    }
    .support-item strong{
      display:block;
      color:#fff;
      font-weight:800;
      margin-bottom:3px;
    }
    .support-item span{
      color:#c2ccd7;
      font-size:.9rem;
      line-height:1.5;
    }
    .updates-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      padding:16px;
      border-radius:14px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, #fff, #fbfcfd);
      transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
    }
    .news-item:hover{
      transform:translateY(-1px);
      border-color:rgba(214,31,44,.24);
      box-shadow:0 12px 24px rgba(17,19,23,.06);
    }
    .news-item a.title{
      display:block;
      font-size:1.02rem;
      line-height:1.45;
      font-weight:800;
      color:var(--ink);
      margin-bottom:10px;
    }
    .news-item a.title:hover{color:var(--accent)}
    .news-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:10px;
    }
    .news-summary{
      color:var(--ink-soft);
      font-size:.94rem;
      line-height:1.65;
      margin:0;
    }
    .news-toolbar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:12px;
    }
    .news-toolbar a{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--accent);
      font-weight:800;
      font-size:.88rem;
    }
    .news-toolbar a:hover{transform:translateX(2px)}
    .sidebar-block{
      display:grid;
      gap:14px;
    }
    .rank-card{
      padding:18px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
    }
    .rank-card h3,
    .cloud-card h3{
      margin:0 0 14px;
      font-size:1.02rem;
      font-weight:900;
    }
    .rank-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .rank-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding-bottom:10px;
      border-bottom:1px dashed rgba(214,221,228,.95);
    }
    .rank-list li:last-child{border-bottom:0;padding-bottom:0}
    .rank-no{
      width:24px;
      height:24px;
      flex:0 0 auto;
      border-radius:50%;
      background:rgba(214,31,44,.08);
      color:var(--accent);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      font-size:.8rem;
      margin-top:1px;
    }
    .rank-list strong{
      display:block;
      color:var(--ink);
      font-size:.92rem;
      line-height:1.45;
      margin-bottom:3px;
    }
    .rank-list span{
      color:var(--ink-soft);
      font-size:.84rem;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-cloud a{
      padding:8px 11px;
      border:1px solid var(--line);
      border-radius:999px;
      background:var(--surface-2);
      color:var(--ink-soft);
      font-size:.84rem;
      font-weight:700;
    }
    .tag-cloud a:hover,
    .tag-cloud a:focus-visible{
      color:var(--accent);
      border-color:rgba(214,31,44,.24);
      background:rgba(214,31,44,.06);
      transform:translateY(-1px);
    }
    .faq-panel .inner{
      padding:20px;
    }
    .faq-accordion{
      background:transparent;
      border:0;
      margin:0;
    }
    .faq-accordion .accordion-item{
      border:1px solid var(--line);
      border-radius:14px;
      overflow:hidden;
      margin-bottom:12px;
      background:#fff;
    }
    .faq-accordion .accordion-title{
      color:var(--ink);
      font-weight:800;
      font-size:.98rem;
      line-height:1.5;
      padding:15px 16px;
      background:#fff;
      transition:background var(--transition),color var(--transition);
    }
    .faq-accordion .accordion-title:hover,
    .faq-accordion .accordion-title:focus-visible{
      background:rgba(214,31,44,.04);
      color:var(--accent);
    }
    .faq-accordion .accordion-title::before{
      color:var(--accent);
      right:16px;
      left:auto;
      margin-top:-.75rem;
    }
    .faq-accordion .accordion-content{
      border-top:1px solid var(--line);
      padding:0 16px 16px;
      color:var(--ink-soft);
      line-height:1.75;
      background:#fff;
    }
    .form-card{
      background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,249,251,.96));
      position:relative;
    }
    .form-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .form-copy{
      padding:4px 2px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .form-copy h2{
      margin:0;
      font-size:clamp(1.4rem,2.6vw,1.9rem);
      font-weight:900;
      line-height:1.2;
    }
    .form-copy p{
      margin:0;
      color:var(--ink-soft);
      max-width:34rem;
    }
    .form-tip{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:auto;
    }
    .quick-steps{
      padding:18px;
      border-radius:14px;
      background:linear-gradient(180deg, rgba(17,19,23,.97), rgba(31,36,43,.98));
      color:#edf2f7;
      position:relative;
      overflow:hidden;
      min-height:100%;
    }
    .quick-steps::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 86% 12%, rgba(31,190,199,.12), transparent 22%),
        radial-gradient(circle at 14% 18%, rgba(214,31,44,.12), transparent 24%);
      pointer-events:none;
    }
    .quick-steps > *{position:relative;z-index:1}
    .quick-steps h3{
      margin:0 0 8px;
      font-size:1.02rem;
      font-weight:900;
    }
    .quick-steps p{
      margin:0 0 16px;
      color:#c7d1dc;
      line-height:1.65;
      font-size:.95rem;
    }
    .step-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .step-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .step-num{
      width:28px;
      height:28px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:var(--accent);
      flex:0 0 auto;
    }
    .step-list strong{
      display:block;
      margin-bottom:3px;
      color:#fff;
      font-weight:800;
    }
    .step-list span{
      color:#c5cfda;
      font-size:.9rem;
      line-height:1.5;
    }
    .search-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:16px;
    }
    .field label{
      display:block;
      margin-bottom:7px;
      color:var(--ink);
      font-size:.88rem;
      font-weight:800;
    }
    .field input,
    .field select,
    .field textarea{
      margin:0;
      border:1px solid var(--line);
      border-radius:12px;
      background:#fff;
      height:46px;
      padding:0 14px;
      box-shadow:none;
      color:var(--ink);
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .field textarea{
      min-height:110px;
      padding:12px 14px;
      resize:vertical;
      height:auto;
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#8a929d}
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(214,31,44,.42);
      box-shadow:0 0 0 4px rgba(214,31,44,.09);
      background:#fff;
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .form-note{
      margin-top:10px;
      font-size:.88rem;
      color:var(--ink-soft);
    }
    .site-footer{
      margin-top:clamp(2rem,4vw,3rem);
      background:#111317;
      color:#d7dee7;
      border-top:1px solid rgba(255,255,255,.08);
      position:relative;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 16% 14%, rgba(214,31,44,.08), transparent 22%),
        radial-gradient(circle at 82% 0%, rgba(31,190,199,.09), transparent 18%);
      pointer-events:none;
    }
    .footer-inner{
      position:relative;
      z-index:1;
      padding:30px 0 20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .75fr .75fr .9fr;
      gap:22px;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .footer-brand .brand{
      color:#fff;
      font-size:1.08rem;
    }
    .footer-brand p{
      margin:0;
      color:#aeb9c6;
      line-height:1.75;
      max-width:26rem;
      font-size:.94rem;
    }
    .footer-col h4{
      margin:0 0 12px;
      color:#fff;
      font-size:.98rem;
      font-weight:800;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#c8d1db;
      font-size:.92rem;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      padding-left:3px;
    }
    .footer-pills{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
    }
    .footer-pills .pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#e5ebf2;
      font-size:.82rem;
      font-weight:700;
    }
    .footer-bottom{
      position:relative;
      z-index:1;
      margin-top:24px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:#96a3b1;
      font-size:.88rem;
    }
    .footer-bottom a{
      color:#fff;
      font-weight:700;
    }
    .footer-bottom a:hover{color:#ffced3}
    .mobile-only{display:none}

    @keyframes ticker{
      from{transform:translateX(0)}
      to{transform:translateX(-50%)}
    }

    @media (max-width: 1080px){
      .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
      .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .compare-wrap,
      .updates-grid,
      .form-layout,
      .footer-grid{grid-template-columns:1fr}
      .hero-grid{grid-template-columns:1fr}
      .top-bar-right{justify-content:space-between}
    }
    @media (max-width: 768px){
      .top-strip-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .ticker{width:100%}
      .top-bar{
        padding:12px 0;
      }
      .top-bar,
      .top-bar-right{
        align-items:flex-start;
      }
      .top-bar{
        flex-direction:column;
        gap:14px;
      }
      .top-bar-right{
        width:100%;
      }
      .main-nav{
        width:100%;
      }
      .search-form{
        width:100%;
        min-width:0;
      }
      .lang-switch-inline{width:100%;justify-content:flex-start}
      .hero-copy,
      .board-shell,
      .compare-card .inner,
      .support-card .inner,
      .form-card .inner,
      .news-panel .inner,
      .faq-panel .inner{
        padding:18px;
      }
      .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .matrix-grid{grid-template-columns:1fr}
      .search-grid{grid-template-columns:1fr}
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media (max-width: 520px){
      .brand{font-size:1rem}
      .main-nav a{padding:8px 10px;font-size:.92rem}
      .hero h1{font-size:clamp(1.8rem,10vw,2.7rem)}
      .hero-lead{font-size:.98rem}
      .stat-card{min-height:auto}
      .stats-grid{grid-template-columns:1fr}
      .stat-num{font-size:1.4rem}
      .mini-value{font-size:1.45rem}
      .bar-row{grid-template-columns:64px 1fr 28px}
      .compare-table th,
      .compare-table td{
        padding:12px 10px;
        font-size:.92rem;
      }
      .footer-bottom{
        font-size:.84rem;
      }
      .button,
      .button.hollow{
        width:100%;
        justify-content:center;
      }
      .hero-actions{width:100%}
      .hero-actions .button{flex:1 1 100%}
    }
    .focus-ring:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible{
      outline:none;
      box-shadow:0 0 0 4px rgba(31,190,199,.16);
    }

/* roulang page: category2 */
:root{
      --bg:#f5f6f7;
      --bg-soft:#eef0f2;
      --surface:#ffffff;
      --surface-2:#fafafa;
      --text:#101114;
      --muted:#666b73;
      --line:#dde1e6;
      --line-strong:#cfd5db;
      --accent:#e11d2e;
      --accent-2:#11b8c8;
      --accent-soft:rgba(225,29,46,.08);
      --warn:#ffb21e;
      --shadow:0 18px 40px rgba(16,17,20,.08);
      --shadow-soft:0 10px 24px rgba(16,17,20,.06);
      --radius:16px;
      --radius-sm:12px;
      --radius-xs:10px;
      --container:1240px;
      --gap:1.1rem;
      --gap-lg:1.6rem;
      --ring:0 0 0 3px rgba(225,29,46,.14);
      --gradient-grid: linear-gradient(180deg, rgba(16,17,20,.03), rgba(16,17,20,0));
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at top right, rgba(225,29,46,.05), transparent 35%),
        radial-gradient(circle at left top, rgba(17,184,200,.04), transparent 28%),
        linear-gradient(180deg, #f8f9fa 0%, #f3f5f7 100%);
      font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;
      letter-spacing:.2px;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease, opacity .18s ease;
    }
    img{max-width:100%;display:block}
    button,input,select,textarea{
      font:inherit;
    }
    button{
      cursor:pointer;
    }
    :focus-visible{
      outline:none;
      box-shadow:var(--ring);
    }
    .grid-container{
      max-width:var(--container);
      padding-left:1rem;
      padding-right:1rem;
    }
    .page-shell{
      position:relative;
      overflow:hidden;
    }
    .page-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(16,17,20,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16,17,20,.03) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.12), transparent 66%);
      pointer-events:none;
      opacity:.35;
    }

    .top-strip{
      position:relative;
      z-index:4;
      border-bottom:1px solid rgba(221,225,230,.9);
      background:rgba(255,255,255,.72);
      backdrop-filter: blur(10px);
    }
    .top-strip-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      min-height:38px;
      font-size:.86rem;
      color:var(--muted);
    }
    .ticker-wrap{
      display:flex;
      align-items:center;
      gap:.65rem;
      min-width:0;
      flex:1;
    }
    .ticker-label{
      flex:none;
      color:var(--text);
      font-weight:700;
      letter-spacing:.4px;
    }
    .news-ticker{
      position:relative;
      overflow:hidden;
      white-space:nowrap;
      min-width:0;
      flex:1;
      color:#4b5058;
    }
    .news-ticker span{
      display:inline-block;
      padding-left:100%;
      animation:ticker 22s linear infinite;
    }
    .news-ticker em{
      font-style:normal;
      display:inline-flex;
      align-items:center;
      gap:.55rem;
      margin-right:1.8rem;
    }
    .news-ticker em::before{
      content:"";
      width:.35rem;
      height:.35rem;
      border-radius:999px;
      background:var(--accent);
      display:inline-block;
      box-shadow:0 0 0 4px rgba(225,29,46,.08);
    }
    @keyframes ticker{
      0%{transform:translateX(0)}
      100%{transform:translateX(-100%)}
    }
    .strip-tools{
      display:flex;
      align-items:center;
      gap:.5rem;
      flex:none;
    }
    .strip-tools .pill{
      border:1px solid var(--line);
      background:rgba(255,255,255,.92);
      color:#525861;
      font-size:.78rem;
      padding:.32rem .72rem;
      border-radius:999px;
      white-space:nowrap;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(255,255,255,.84);
      backdrop-filter: blur(14px);
      border-bottom:1px solid rgba(221,225,230,.92);
      box-shadow:0 6px 20px rgba(16,17,20,.04);
    }
    .site-header .grid-container{
      padding-top:.95rem;
      padding-bottom:.95rem;
    }
    .site-header .top-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .top-bar-left,
    .top-bar-right{
      display:flex;
      align-items:center;
      gap:1rem;
      min-width:0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:.65rem;
      font-size:1.25rem;
      font-weight:900;
      letter-spacing:.2px;
      color:var(--text);
      white-space:nowrap;
    }
    .brand::before{
      content:"";
      width:.9rem;
      height:.9rem;
      border-radius:50%;
      background:linear-gradient(135deg, var(--accent), #ff5a64);
      box-shadow:0 0 0 6px rgba(225,29,46,.08);
      flex:none;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:.5rem;
      list-style:none;
      margin:0;
      padding:0;
      flex-wrap:wrap;
    }
    .main-nav a{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.55rem .92rem;
      border-radius:999px;
      border:1px solid transparent;
      color:#414651;
      font-weight:700;
      white-space:nowrap;
    }
    .main-nav a:hover{
      color:var(--text);
      background:rgba(16,17,20,.035);
      border-color:rgba(16,17,20,.06);
      transform:translateY(-1px);
    }
    .main-nav a.is-active{
      color:var(--accent);
      background:var(--accent-soft);
      border-color:rgba(225,29,46,.18);
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:.75rem;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .search-form{
      display:flex;
      align-items:center;
      gap:.55rem;
      padding:.3rem;
      border:1px solid var(--line);
      border-radius:999px;
      background:var(--surface);
      box-shadow:0 8px 20px rgba(16,17,20,.04);
    }
    .search-form input{
      width:min(17rem, 35vw);
      border:0;
      background:transparent;
      padding:.46rem .9rem;
      color:var(--text);
      min-width:0;
      box-shadow:none;
      margin:0;
      height:auto;
    }
    .search-form input::placeholder{
      color:#8a9097;
    }
    .search-form button{
      border:0;
      border-radius:999px;
      background:var(--accent);
      color:#fff;
      padding:.5rem .95rem;
      font-weight:800;
      letter-spacing:.2px;
      box-shadow:0 8px 18px rgba(225,29,46,.2);
    }
    .search-form button:hover{
      background:#c81627;
      transform:translateY(-1px);
      box-shadow:0 12px 24px rgba(225,29,46,.24);
    }
    .lang-switch-inline{
      display:flex;
      align-items:center;
      gap:.4rem;
      padding:.25rem;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.96);
      box-shadow:0 8px 20px rgba(16,17,20,.04);
    }
    .pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2rem;
      padding:0 .74rem;
      border-radius:999px;
      border:1px solid transparent;
      background:transparent;
      color:#5a6068;
      font-size:.85rem;
      white-space:nowrap;
    }
    .pill.active{
      background:var(--accent);
      color:#fff;
      box-shadow:0 10px 18px rgba(225,29,46,.2);
    }

    .page-main{
      position:relative;
      z-index:1;
    }
    .section{
      padding:clamp(2.4rem, 4.2vw, 5rem) 0;
    }
    .section-tight{
      padding-top:1.6rem;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.34rem .76rem;
      border:1px solid rgba(225,29,46,.16);
      color:var(--accent);
      background:rgba(225,29,46,.06);
      border-radius:999px;
      font-size:.8rem;
      font-weight:800;
      letter-spacing:.3px;
      margin-bottom:.95rem;
    }
    .eyebrow::before{
      content:"";
      width:.42rem;
      height:.42rem;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(225,29,46,.08);
    }
    .section-head{
      margin-bottom:1.35rem;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.55rem, 2.6vw, 2.25rem);
      line-height:1.18;
      font-weight:900;
      letter-spacing:.2px;
    }
    .section-lead{
      margin:.7rem 0 0;
      color:var(--muted);
      max-width:56rem;
      font-size:1rem;
    }

    .hero{
      padding-top:2rem;
    }
    .hero-panel{
      position:relative;
      border:1px solid var(--line);
      border-radius:calc(var(--radius) + 4px);
      background:
        radial-gradient(circle at 80% 18%, rgba(225,29,46,.08), transparent 26%),
        linear-gradient(180deg, #fff 0%, #fbfbfc 100%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(16,17,20,.02) 1px, transparent 1px),
        linear-gradient(180deg, rgba(16,17,20,.02) 1px, transparent 1px);
      background-size:32px 32px;
      opacity:.55;
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      padding:clamp(1.35rem, 3vw, 2.5rem);
    }
    .hero-left{
      padding-right:1.2rem;
    }
    .crumbs{
      display:flex;
      align-items:center;
      gap:.45rem;
      color:var(--muted);
      font-size:.88rem;
      margin-bottom:1rem;
      flex-wrap:wrap;
    }
    .crumbs a{
      color:inherit;
    }
    .crumbs span{
      color:#9aa1a8;
    }
    .hero-title{
      margin:0;
      font-size:clamp(2rem, 4vw, 3.4rem);
      line-height:1.08;
      font-weight:950;
      letter-spacing:-.6px;
    }
    .hero-title strong{
      color:var(--accent);
    }
    .hero-subtitle{
      margin:1rem 0 0;
      color:#4c525a;
      font-size:1.04rem;
      max-width:40rem;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:.8rem;
      margin-top:1.35rem;
      flex-wrap:wrap;
    }
    .btnx{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      min-height:2.9rem;
      padding:.72rem 1.15rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.2px;
      box-shadow:none;
    }
    .btnx.primary{
      background:var(--accent);
      color:#fff;
      box-shadow:0 14px 28px rgba(225,29,46,.18);
    }
    .btnx.primary:hover{
      background:#c81627;
      transform:translateY(-1px);
      box-shadow:0 16px 30px rgba(225,29,46,.24);
    }
    .btnx.secondary{
      background:#fff;
      color:var(--text);
      border-color:var(--line-strong);
    }
    .btnx.secondary:hover{
      border-color:var(--accent);
      color:var(--accent);
      transform:translateY(-1px);
      box-shadow:var(--shadow-soft);
    }
    .hero-note{
      margin-top:.9rem;
      color:var(--muted);
      font-size:.92rem;
      display:flex;
      align-items:center;
      gap:.55rem;
      flex-wrap:wrap;
    }
    .hero-note .mini-tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.2rem .55rem;
      border-radius:999px;
      background:#f2f4f6;
      color:#535a62;
      font-size:.78rem;
      border:1px solid var(--line);
    }
    .hero-right{
      padding-left:.4rem;
    }
    .hero-board{
      position:relative;
      border:1px solid rgba(16,17,20,.08);
      border-radius:var(--radius);
      background:
        linear-gradient(180deg, rgba(17,184,200,.06), transparent 28%),
        linear-gradient(180deg, #fff 0%, #fdfdfd 100%);
      padding:1rem;
      box-shadow:var(--shadow-soft);
      height:100%;
    }
    .spotlight-card{
      border-radius:14px;
      border:1px solid rgba(225,29,46,.16);
      background:
        radial-gradient(circle at top right, rgba(225,29,46,.1), transparent 28%),
        #fff;
      padding:1rem;
      margin-bottom:.95rem;
      position:relative;
      overflow:hidden;
    }
    .spotlight-card::after{
      content:"";
      position:absolute;
      inset:auto -22% -48% auto;
      width:9rem;
      height:9rem;
      border-radius:50%;
      background:rgba(225,29,46,.06);
    }
    .spotlight-tag{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.28rem .62rem;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent);
      font-size:.78rem;
      font-weight:800;
      border:1px solid rgba(225,29,46,.12);
    }
    .spotlight-title{
      margin:.78rem 0 .35rem;
      font-size:1.14rem;
      line-height:1.35;
      font-weight:900;
    }
    .spotlight-desc{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .spotlight-meta{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-top:.85rem;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.34rem .6rem;
      border-radius:999px;
      background:#f3f4f6;
      border:1px solid var(--line);
      color:#535a62;
      font-size:.78rem;
      white-space:nowrap;
    }
    .board-stats{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:.7rem;
      margin-top:.9rem;
    }
    .mini-stat{
      border:1px solid var(--line);
      border-radius:12px;
      background:var(--surface);
      padding:.85rem .8rem;
      box-shadow:0 8px 18px rgba(16,17,20,.04);
    }
    .mini-stat strong{
      display:block;
      font-size:1.15rem;
      line-height:1.1;
      color:var(--text);
      margin-bottom:.24rem;
    }
    .mini-stat span{
      color:var(--muted);
      font-size:.8rem;
    }
    .board-list{
      display:grid;
      gap:.65rem;
      margin-top:.95rem;
    }
    .board-row{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:.9rem;
      padding:.78rem .9rem;
      border:1px solid var(--line);
      border-radius:12px;
      background:rgba(255,255,255,.92);
    }
    .board-row b{
      display:block;
      font-size:.94rem;
      margin-bottom:.15rem;
    }
    .board-row small{
      color:var(--muted);
    }
    .board-row .value{
      flex:none;
      color:var(--accent);
      font-weight:900;
    }

    .metric-strip{
      margin-top:1rem;
    }
    .metric-card{
      height:100%;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:var(--surface);
      padding:1rem;
      box-shadow:0 8px 20px rgba(16,17,20,.04);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .metric-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(225,29,46,.18);
    }
    .metric-label{
      color:var(--muted);
      font-size:.82rem;
      margin-bottom:.45rem;
    }
    .metric-value{
      display:flex;
      align-items:flex-end;
      gap:.5rem;
      font-weight:950;
      color:var(--text);
      line-height:1.05;
      margin-bottom:.42rem;
    }
    .metric-value strong{
      font-size:1.6rem;
      color:var(--accent);
    }
    .metric-desc{
      color:#5d646d;
      font-size:.9rem;
    }

    .soft-panel{
      border:1px solid var(--line);
      border-radius:calc(var(--radius) + 2px);
      background:
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(250,250,250,.98));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .soft-panel-header{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      padding:1rem 1.1rem;
      border-bottom:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.98), rgba(246,247,249,.92));
    }
    .soft-panel-header h3{
      margin:0;
      font-size:1.05rem;
      font-weight:900;
    }
    .soft-panel-header .hint{
      color:var(--muted);
      font-size:.88rem;
    }
    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
    }
    .filter-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2.3rem;
      padding:0 .84rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#51575f;
      font-size:.88rem;
      font-weight:700;
    }
    .filter-pill.is-active{
      color:var(--accent);
      border-color:rgba(225,29,46,.2);
      background:var(--accent-soft);
    }
    .filter-pill:hover{
      border-color:rgba(225,29,46,.16);
      color:var(--text);
      transform:translateY(-1px);
      box-shadow:0 8px 16px rgba(16,17,20,.04);
    }

    .matrix-grid{
      margin-top:1rem;
    }
    .matrix-card{
      position:relative;
      height:100%;
      border-radius:var(--radius-sm);
      border:1px solid var(--line);
      background:var(--surface);
      padding:1rem 1rem 1.05rem;
      box-shadow:0 8px 18px rgba(16,17,20,.04);
      overflow:hidden;
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .matrix-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(225,29,46,.18);
    }
    .matrix-card .icon-box{
      width:2.55rem;
      height:2.55rem;
      border-radius:12px;
      background:linear-gradient(135deg, rgba(225,29,46,.1), rgba(255,255,255,.96));
      border:1px solid rgba(225,29,46,.12);
      display:grid;
      place-items:center;
      color:var(--accent);
      margin-bottom:.85rem;
    }
    .matrix-card .icon-box svg{
      width:1.22rem;
      height:1.22rem;
      stroke:currentColor;
      fill:none;
      stroke-width:2;
      stroke-linecap:round;
      stroke-linejoin:round;
    }
    .matrix-card h4{
      margin:0 0 .42rem;
      font-size:1.05rem;
      line-height:1.35;
      font-weight:900;
    }
    .matrix-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .matrix-card .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      margin-top:1rem;
    }
    .matrix-card .tag{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.27rem .58rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:#f6f7f8;
      color:#596069;
      font-size:.76rem;
      font-weight:800;
    }
    .matrix-card .cta-link{
      color:var(--accent);
      font-weight:800;
      font-size:.9rem;
      display:inline-flex;
      align-items:center;
      gap:.3rem;
    }
    .matrix-card .cta-link:hover{
      color:#b91525;
    }

    .compare-grid{
      margin-top:1rem;
    }
    .compare-card{
      height:100%;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:var(--surface);
      padding:1.1rem;
      box-shadow:0 8px 18px rgba(16,17,20,.04);
    }
    .compare-card.is-featured{
      border-color:rgba(225,29,46,.2);
      background:
        linear-gradient(180deg, rgba(225,29,46,.06), transparent 20%),
        #fff;
      box-shadow:0 16px 28px rgba(225,29,46,.08);
    }
    .compare-badge{
      display:inline-flex;
      align-items:center;
      padding:.24rem .58rem;
      border-radius:999px;
      background:var(--accent-soft);
      color:var(--accent);
      border:1px solid rgba(225,29,46,.12);
      font-size:.76rem;
      font-weight:800;
      margin-bottom:.7rem;
    }
    .compare-card h4{
      margin:0 0 .55rem;
      font-size:1.08rem;
      font-weight:900;
    }
    .compare-card ul{
      margin:0;
      padding-left:1.1rem;
      color:#515860;
    }
    .compare-card li+li{margin-top:.48rem}
    .compare-card .path{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:.8rem;
      margin-top:1rem;
      padding-top:.85rem;
      border-top:1px solid var(--line);
      color:#5b6169;
      font-size:.9rem;
    }
    .compare-card .path strong{
      color:var(--text);
    }

    .spotlight-section .topic-grid{
      margin-top:1rem;
    }
    .topic-card{
      position:relative;
      height:100%;
      border-radius:var(--radius-sm);
      overflow:hidden;
      border:1px solid var(--line);
      background:var(--surface);
      box-shadow:0 8px 18px rgba(16,17,20,.04);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }
    .topic-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(225,29,46,.18);
    }
    .topic-media{
      position:relative;
      min-height:10.5rem;
      background:
        radial-gradient(circle at top left, rgba(225,29,46,.18), transparent 32%),
        radial-gradient(circle at right center, rgba(17,184,200,.16), transparent 30%),
        linear-gradient(135deg, #121419 0%, #23262d 100%);
      color:#fff;
      display:flex;
      align-items:flex-end;
      padding:1rem;
      overflow:hidden;
    }
    .topic-media::after{
      content:"";
      position:absolute;
      inset:auto -18% -24% auto;
      width:8rem;
      height:8rem;
      border-radius:50%;
      background:rgba(255,255,255,.08);
      filter:blur(2px);
    }
    .topic-media .flag{
      display:inline-flex;
      align-items:center;
      gap:.4rem;
      padding:.26rem .6rem;
      border-radius:999px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
      font-size:.76rem;
      font-weight:800;
      margin-bottom:.75rem;
    }
    .topic-media h4{
      margin:0;
      font-size:1.08rem;
      line-height:1.35;
      font-weight:900;
    }
    .topic-media p{
      margin:.35rem 0 0;
      color:rgba(255,255,255,.82);
      font-size:.9rem;
    }
    .topic-body{
      padding:1rem;
    }
    .topic-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
      margin-bottom:.78rem;
    }
    .tag-soft{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:.24rem .55rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:#f6f7f8;
      color:#5a6068;
      font-size:.75rem;
      font-weight:700;
    }
    .topic-title{
      margin:0 0 .45rem;
      font-size:1rem;
      line-height:1.4;
      font-weight:900;
    }
    .topic-excerpt{
      margin:0;
      color:var(--muted);
      font-size:.9rem;
    }
    .topic-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:.85rem;
      margin-top:.95rem;
      color:#5d646d;
      font-size:.84rem;
    }
    .topic-meta .accent{
      color:var(--accent);
      font-weight:900;
    }
    .topic-action{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      margin-top:.85rem;
      color:var(--accent);
      font-weight:800;
      font-size:.9rem;
    }
    .topic-action:hover{
      color:#b91525;
    }

    .faq-list details{
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:var(--surface);
      box-shadow:0 8px 18px rgba(16,17,20,.04);
      overflow:hidden;
      margin-bottom:.85rem;
    }
    .faq-list summary{
      list-style:none;
      cursor:pointer;
      padding:1rem 1.05rem;
      font-weight:900;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
    }
    .faq-list summary::-webkit-details-marker{
      display:none;
    }
    .faq-list summary::after{
      content:"+";
      color:var(--accent);
      font-size:1.2rem;
      line-height:1;
      flex:none;
      transition:transform .18s ease;
    }
    .faq-list details[open] summary::after{
      content:"–";
    }
    .faq-answer{
      padding:0 1.05rem 1rem;
      color:#4f565f;
    }
    .faq-answer p{
      margin:0;
    }

    .cta-panel{
      border:1px solid rgba(225,29,46,.15);
      border-radius:calc(var(--radius) + 2px);
      background:
        linear-gradient(135deg, rgba(225,29,46,.08), rgba(255,255,255,.94) 45%),
        #fff;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .cta-inner{
      padding:1.2rem;
    }
    .cta-head{
      margin-bottom:1rem;
    }
    .cta-head h3{
      margin:0;
      font-size:1.2rem;
      font-weight:950;
    }
    .cta-head p{
      margin:.4rem 0 0;
      color:var(--muted);
    }
    .cta-form{
      display:grid;
      gap:1rem;
    }
    .cta-form .field{
      display:flex;
      flex-direction:column;
      gap:.42rem;
    }
    .cta-form label{
      font-size:.85rem;
      color:#575e66;
      font-weight:800;
    }
    .cta-form input,
    .cta-form select{
      width:100%;
      border:1px solid var(--line);
      background:#fff;
      border-radius:12px;
      height:3rem;
      padding:0 .95rem;
      box-shadow:none;
      color:var(--text);
    }
    .cta-form input::placeholder{
      color:#9aa1a8;
    }
    .cta-form .form-actions{
      display:flex;
      gap:.7rem;
      flex-wrap:wrap;
      align-items:center;
      margin-top:.15rem;
    }
    .cta-form .tip{
      color:var(--muted);
      font-size:.84rem;
      margin-top:.35rem;
    }

    .site-footer{
      margin-top:0;
      border-top:1px solid rgba(221,225,230,.95);
      background:linear-gradient(180deg, #fbfbfc 0%, #f1f3f5 100%);
      position:relative;
      z-index:2;
    }
    .footer-inner{
      padding-top:2.2rem;
      padding-bottom:1.4rem;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.8fr 1fr 1fr 1fr;
      gap:1.2rem;
      padding-bottom:1.35rem;
      border-bottom:1px solid var(--line);
    }
    .footer-brand p{
      margin:.9rem 0 0;
      color:var(--muted);
      max-width:26rem;
    }
    .footer-col h4{
      margin:0 0 .9rem;
      font-size:.98rem;
      font-weight:900;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:.56rem;
    }
    .footer-links a{
      color:#565c64;
    }
    .footer-links a:hover{
      color:var(--accent);
    }
    .footer-pills{
      display:flex;
      flex-wrap:wrap;
      gap:.5rem;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:#666c74;
      font-size:.88rem;
      padding-top:1rem;
      flex-wrap:wrap;
    }
    .footer-bottom a{
      color:var(--accent);
      font-weight:800;
    }

    .section-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(16,17,20,.14), transparent);
      margin:0;
      border:0;
    }

    @media (max-width: 1024px){
      .site-header .top-bar{
        flex-direction:column;
        align-items:flex-start;
      }
      .top-bar-right{
        width:100%;
        justify-content:space-between;
      }
      .header-tools{
        flex:1;
        justify-content:flex-end;
      }
      .hero-left{
        padding-right:0;
      }
      .footer-grid{
        grid-template-columns:1.4fr 1fr 1fr;
      }
      .footer-col:last-child{
        grid-column:1/-1;
      }
    }
    @media (max-width: 768px){
      .top-strip-inner{
        flex-direction:column;
        align-items:flex-start;
        gap:.35rem;
        padding:.45rem 0;
      }
      .news-ticker{
        white-space:normal;
      }
      .news-ticker span{
        padding-left:0;
        animation:none;
      }
      .site-header .top-bar{
        gap:.8rem;
      }
      .top-bar-right{
        flex-direction:column;
        align-items:stretch;
      }
      .main-nav{
        justify-content:flex-start;
      }
      .header-tools{
        width:100%;
        justify-content:space-between;
      }
      .search-form{
        flex:1;
      }
      .search-form input{
        width:100%;
      }
      .hero-title{
        font-size:clamp(1.9rem, 7vw, 2.8rem);
      }
      .board-stats{
        grid-template-columns:1fr 1fr;
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }
    @media (max-width: 520px){
      .grid-container{
        padding-left:.8rem;
        padding-right:.8rem;
      }
      .brand{
        font-size:1.08rem;
      }
      .main-nav{
        gap:.4rem;
      }
      .main-nav a{
        padding:.48rem .76rem;
        font-size:.9rem;
      }
      .search-form{
        width:100%;
      }
      .lang-switch-inline{
        width:100%;
        justify-content:space-between;
      }
      .hero-actions,
      .cta-form .form-actions{
        width:100%;
      }
      .btnx{
        width:100%;
      }
      .board-stats{
        grid-template-columns:1fr;
      }
      .footer-grid{
        grid-template-columns:1fr;
      }
      .footer-bottom{
        align-items:flex-start;
      }
    }

/* roulang page: category1 */
:root{
      --ink:#121316;
      --graphite:#24262b;
      --muted:#646873;
      --soft:#f5f6f8;
      --paper:#ffffff;
      --line:#e3e5e9;
      --line-dark:#d6d9df;
      --red:#e53935;
      --red-dark:#c72624;
      --cyan:#12b8c8;
      --silver:#aeb4bf;
      --cream:#fff7ef;
      --shadow-sm:0 8px 20px rgba(18,19,22,.06);
      --shadow-md:0 16px 40px rgba(18,19,22,.10);
      --radius-sm:10px;
      --radius:14px;
      --radius-lg:20px;
      --container:1180px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        linear-gradient(180deg,#fafafa 0%,#f2f3f5 48%,#ffffff 100%);
      line-height:1.72;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--red)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{
      font-family:inherit;
      outline:none;
    }
    input:focus,select:focus,textarea:focus,button:focus,a:focus{
      box-shadow:0 0 0 3px rgba(229,57,53,.16);
      border-color:var(--red) !important;
    }
    .grid-container{
      max-width:var(--container);
      padding-left:22px;
      padding-right:22px;
    }
    .section{
      padding:74px 0;
    }
    .section-tight{
      padding:48px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:5px 10px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow i{color:var(--red)}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
      border-bottom:1px solid var(--line);
      padding-bottom:18px;
    }
    .section-title{
      margin:10px 0 0;
      font-size:clamp(24px,3vw,38px);
      line-height:1.22;
      letter-spacing:-.02em;
      font-weight:900;
      color:var(--ink);
    }
    .section-desc{
      max-width:560px;
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .info-strip{
      background:#15161a;
      color:#d8dbe2;
      font-size:12px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .strip-inner{
      min-height:34px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .ticker{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      overflow:hidden;
      white-space:nowrap;
    }
    .ticker strong{
      color:#fff;
      font-weight:800;
    }
    .ticker span{
      display:inline-block;
      color:#b9bdc8;
      animation:tickerMove 18s linear infinite;
    }
    @keyframes tickerMove{
      0%{transform:translateX(0)}
      100%{transform:translateX(-18%)}
    }
    .strip-tools{
      display:flex;
      align-items:center;
      gap:8px;
      flex-shrink:0;
    }
    .strip-pill{
      display:inline-flex;
      align-items:center;
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      padding:3px 9px;
      color:#f0f1f4;
      background:rgba(255,255,255,.04);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.94);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 24px rgba(18,19,22,.04);
    }
    .site-header .top-bar{
      padding:0;
      min-height:76px;
      background:transparent;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .top-bar-left,.top-bar-right{
      display:flex;
      align-items:center;
    }
    .top-bar-right{
      flex:1;
      justify-content:flex-end;
      gap:20px;
      min-width:0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-size:21px;
      line-height:1.1;
      font-weight:950;
      letter-spacing:-.03em;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand:before{
      content:"字";
      width:34px;
      height:34px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      background:var(--ink);
      color:#fff;
      font-size:17px;
      font-weight:900;
      box-shadow:inset -8px -8px 0 rgba(229,57,53,.85);
    }
    .main-nav{
      list-style:none;
      display:flex;
      align-items:center;
      gap:4px;
      margin:0;
      padding:0;
    }
    .main-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:8px 12px;
      border-radius:10px;
      color:var(--graphite);
      font-size:14px;
      font-weight:800;
    }
    .main-nav a:hover{
      background:#f0f1f3;
      color:var(--red);
    }
    .main-nav a.is-active{
      color:var(--red);
      background:#fff1f1;
    }
    .main-nav a.is-active:after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      bottom:5px;
      height:2px;
      background:var(--red);
      border-radius:4px;
    }
    .header-tools{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-form{
      display:flex;
      align-items:center;
      width:310px;
      max-width:36vw;
      height:40px;
      border:1px solid var(--line-dark);
      border-radius:999px;
      background:#fff;
      overflow:hidden;
      transition:var(--ease);
    }
    .search-form:focus-within{
      border-color:var(--red);
      box-shadow:0 0 0 4px rgba(229,57,53,.10);
    }
    .search-form input{
      flex:1;
      min-width:0;
      height:100%;
      border:0;
      box-shadow:none;
      margin:0;
      padding:0 13px;
      background:transparent;
      font-size:13px;
    }
    .search-form button{
      height:32px;
      margin-right:4px;
      border:0;
      border-radius:999px;
      background:var(--ink);
      color:#fff;
      padding:0 13px;
      font-size:13px;
      font-weight:800;
      cursor:pointer;
      transition:var(--ease);
    }
    .search-form button:hover{
      background:var(--red);
      transform:translateY(-1px);
    }
    .lang-switch-inline,.footer-pills{
      display:flex;
      align-items:center;
      gap:5px;
      padding:4px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      white-space:nowrap;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:24px;
      padding:3px 8px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      color:var(--muted);
      background:#f5f6f8;
    }
    .pill.active{
      color:#fff;
      background:var(--red);
    }

    .category-hero{
      position:relative;
      overflow:hidden;
      padding:48px 0 28px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.94),rgba(255,255,255,.78)),
        radial-gradient(circle at 85% 15%,rgba(18,184,200,.18),transparent 30%),
        linear-gradient(#eceef2 1px,transparent 1px),
        linear-gradient(90deg,#eceef2 1px,transparent 1px);
      background-size:auto,auto,32px 32px,32px 32px;
      border-bottom:1px solid var(--line);
    }
    .breadcrumb-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .breadcrumb-line a{color:var(--muted)}
    .breadcrumb-line a:hover{color:var(--red)}
    .hero-layout{
      align-items:stretch;
    }
    .hero-copy{
      height:100%;
      padding:18px 0 22px;
    }
    h1{
      margin:12px 0 16px;
      font-size:clamp(32px,5vw,58px);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:950;
      color:var(--ink);
    }
    .hero-summary{
      max-width:710px;
      margin:0 0 22px;
      color:#3f434b;
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:10px 17px;
      border-radius:12px;
      border:1px solid transparent;
      font-size:14px;
      font-weight:900;
      cursor:pointer;
      transition:var(--ease);
    }
    .btn-primary{
      background:var(--red);
      color:#fff;
      box-shadow:0 10px 20px rgba(229,57,53,.22);
    }
    .btn-primary:hover{
      color:#fff;
      background:var(--red-dark);
      transform:translateY(-2px);
      box-shadow:0 14px 28px rgba(229,57,53,.28);
    }
    .btn-secondary{
      background:#fff;
      color:var(--ink);
      border-color:var(--line-dark);
    }
    .btn-secondary:hover{
      color:var(--red);
      border-color:rgba(229,57,53,.45);
      transform:translateY(-2px);
      box-shadow:var(--shadow-sm);
    }
    .download-panel{
      height:100%;
      background:#fff;
      border:1px solid var(--line-dark);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .panel-top{
      padding:18px 20px;
      background:#17181d;
      color:#fff;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
    }
    .panel-top strong{
      font-size:16px;
      font-weight:950;
    }
    .panel-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 9px;
      border-radius:999px;
      background:rgba(229,57,53,.18);
      color:#ffcecc;
      font-size:12px;
      font-weight:900;
    }
    .panel-cover{
      margin:18px;
      padding:20px;
      min-height:250px;
      border-radius:16px;
      border:1px solid #eceef2;
      background:
        linear-gradient(135deg,#fff 0%,#f7f7f8 52%,#fff0f0 100%);
      position:relative;
      overflow:hidden;
    }
    .panel-cover:after{
      content:"";
      position:absolute;
      width:150px;
      height:150px;
      right:-45px;
      bottom:-45px;
      border-radius:50%;
      background:rgba(229,57,53,.10);
      border:1px solid rgba(229,57,53,.12);
    }
    .cover-label{
      display:inline-flex;
      padding:4px 8px;
      border-radius:8px;
      background:var(--ink);
      color:#fff;
      font-size:12px;
      font-weight:900;
    }
    .cover-title{
      margin:18px 0 14px;
      max-width:270px;
      font-size:28px;
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.035em;
    }
    .cover-list{
      position:relative;
      z-index:1;
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
      color:#4e535d;
      font-size:14px;
      font-weight:700;
    }
    .cover-list li{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .cover-list i{color:var(--red)}
    .panel-form{
      padding:0 18px 18px;
      display:grid;
      gap:10px;
    }
    .panel-form input,.panel-form select{
      height:44px;
      margin:0;
      border:1px solid var(--line-dark);
      border-radius:12px;
      background:#fff;
      padding:0 12px;
      font-size:14px;
      box-shadow:none;
    }
    .panel-note{
      color:var(--muted);
      font-size:12px;
      margin:2px 0 0;
    }

    .quick-metrics{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .metric-card{
      padding:18px;
      border:1px solid var(--line);
      background:#fff;
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .metric-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(229,57,53,.25);
    }
    .metric-label{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .metric-value{
      margin-top:6px;
      font-size:27px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.035em;
    }
    .metric-desc{
      margin-top:8px;
      color:#6b707a;
      font-size:13px;
    }

    .main-area{
      padding:58px 0 70px;
      background:#fff;
    }
    .content-list{
      display:grid;
      gap:16px;
    }
    .list-card{
      display:grid;
      grid-template-columns:174px 1fr;
      gap:18px;
      padding:16px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .list-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-md);
      border-color:rgba(229,57,53,.30);
    }
    .thumb{
      min-height:136px;
      border-radius:12px;
      overflow:hidden;
      background:#1b1c21;
      position:relative;
      display:flex;
      align-items:flex-end;
      padding:12px;
      color:#fff;
    }
    .thumb:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(229,57,53,.82),rgba(18,19,22,.28)),
        linear-gradient(45deg,transparent 47%,rgba(255,255,255,.12) 48%,rgba(255,255,255,.12) 52%,transparent 53%);
      background-size:auto,24px 24px;
    }
    .thumb span{
      position:relative;
      z-index:1;
      display:inline-flex;
      padding:4px 8px;
      border-radius:8px;
      background:rgba(18,19,22,.76);
      font-size:12px;
      font-weight:900;
    }
    .list-body{
      min-width:0;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:12px;
    }
    .tag-row{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:7px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:5px;
      padding:4px 8px;
      border-radius:999px;
      background:#f2f3f5;
      color:#555b66;
      font-size:12px;
      font-weight:900;
    }
    .tag.hot{
      background:#fff0ef;
      color:var(--red);
    }
    .tag.cyan{
      background:#eafcfe;
      color:#078391;
    }
    .list-title{
      margin:0;
      font-size:21px;
      line-height:1.35;
      font-weight:950;
      letter-spacing:-.02em;
      color:var(--ink);
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .list-title a:hover{color:var(--red)}
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      color:#737884;
      font-size:13px;
      font-weight:700;
      margin:7px 0 0;
    }
    .meta i{color:var(--silver)}
    .summary{
      margin:0;
      color:#565c66;
      font-size:14px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .card-actions{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      border-top:1px solid #eff1f4;
      padding-top:10px;
    }
    .light-link{
      color:var(--ink);
      font-size:14px;
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .light-link:hover{
      color:var(--red);
      gap:10px;
    }
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#68707d;
      font-size:12px;
      font-weight:800;
    }
    .status-dot:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 4px rgba(18,184,200,.10);
    }

    .sidebar{
      position:sticky;
      top:106px;
      display:grid;
      gap:16px;
    }
    .side-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .side-title{
      margin:0;
      padding:15px 16px;
      border-bottom:1px solid var(--line);
      background:#fafafa;
      font-size:15px;
      font-weight:950;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
    }
    .side-title i{color:var(--red)}
    .rank-list{
      list-style:none;
      margin:0;
      padding:8px 0;
    }
    .rank-list li{
      display:flex;
      gap:10px;
      padding:11px 16px;
      border-bottom:1px solid #f0f1f3;
    }
    .rank-list li:last-child{border-bottom:0}
    .rank-num{
      width:22px;
      height:22px;
      border-radius:7px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:#f1f2f4;
      color:#555b66;
      font-size:12px;
      font-weight:950;
      flex:0 0 auto;
    }
    .rank-list li:nth-child(-n+3) .rank-num{
      background:var(--red);
      color:#fff;
    }
    .rank-text{
      min-width:0;
    }
    .rank-text strong{
      display:block;
      font-size:14px;
      line-height:1.35;
      font-weight:900;
    }
    .rank-text span{
      color:var(--muted);
      font-size:12px;
      font-weight:700;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      padding:16px;
    }
    .tag-cloud a{
      display:inline-flex;
      padding:6px 9px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:#4e535d;
      font-size:12px;
      font-weight:850;
    }
    .tag-cloud a:hover{
      border-color:var(--red);
      color:var(--red);
      background:#fff5f4;
    }
    .filter-box{
      padding:16px;
      display:grid;
      gap:12px;
    }
    .filter-box label{
      color:#4e535d;
      font-size:13px;
      font-weight:900;
      margin:0;
    }
    .filter-box select,.filter-box input{
      height:42px;
      margin:0;
      border:1px solid var(--line-dark);
      border-radius:12px;
      box-shadow:none;
      background:#fff;
      font-size:14px;
    }

    .pagination-wrap{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      margin-top:28px;
      flex-wrap:wrap;
    }
    .page-link{
      min-width:38px;
      height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      color:#4f5560;
      font-size:13px;
      font-weight:900;
    }
    .page-link:hover{
      color:var(--red);
      border-color:rgba(229,57,53,.42);
      background:#fff7f6;
    }
    .page-link.current{
      background:var(--ink);
      color:#fff;
      border-color:var(--ink);
    }

    .compare-section{
      background:#f6f7f9;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .compare-table{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .compare-row{
      display:grid;
      grid-template-columns:1.1fr 1fr 1fr;
      border-bottom:1px solid var(--line);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-cell{
      padding:18px;
      border-right:1px solid var(--line);
      min-height:70px;
      display:flex;
      align-items:center;
      color:#505662;
      font-size:14px;
      font-weight:750;
    }
    .compare-cell:last-child{border-right:0}
    .compare-head .compare-cell{
      background:#17181d;
      color:#fff;
      font-size:14px;
      font-weight:950;
    }
    .compare-cell.good{
      color:#117b86;
      background:#f1fdfe;
    }
    .compare-cell.warn{
      color:#93504e;
      background:#fff7f6;
    }
    .compare-cell i{
      margin-right:8px;
    }

    .process-section{
      background:#fff;
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .process-card{
      padding:20px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:#fff;
      box-shadow:var(--shadow-sm);
      position:relative;
      overflow:hidden;
    }
    .process-card:before{
      content:attr(data-step);
      position:absolute;
      right:14px;
      top:10px;
      color:rgba(18,19,22,.07);
      font-size:44px;
      font-weight:950;
      line-height:1;
    }
    .process-icon{
      width:42px;
      height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      background:#fff0ef;
      color:var(--red);
      margin-bottom:14px;
    }
    .process-card h3{
      position:relative;
      margin:0 0 8px;
      font-size:17px;
      font-weight:950;
    }
    .process-card p{
      position:relative;
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .faq-section{
      background:#fff;
    }
    .accordion{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .accordion-item{
      border-bottom:1px solid var(--line);
    }
    .accordion-item:last-child{border-bottom:0}
    .accordion-title{
      padding:18px 22px;
      color:var(--ink);
      font-size:16px;
      font-weight:950;
      border:0;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fff7f6;
      color:var(--red);
    }
    .accordion-title:before{
      right:22px;
      margin-top:-10px;
      font-size:22px;
      color:var(--red);
    }
    .accordion-content{
      padding:0 22px 20px;
      border:0;
      color:#59606b;
      font-size:14px;
      background:#fff;
    }

    .cta-section{
      padding:72px 0;
      background:
        linear-gradient(135deg,#17181d 0%,#24262c 68%,#331b1b 100%);
      color:#fff;
    }
    .cta-box{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:center;
    }
    .cta-box h2{
      margin:10px 0 12px;
      font-size:clamp(26px,3.6vw,44px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:950;
    }
    .cta-box p{
      margin:0;
      color:#c9cdd5;
      max-width:600px;
    }
    .cta-form{
      padding:20px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.06);
      display:grid;
      gap:12px;
    }
    .cta-form input,.cta-form select{
      height:46px;
      margin:0;
      border:1px solid rgba(255,255,255,.18);
      border-radius:12px;
      background:rgba(255,255,255,.10);
      color:#fff;
      box-shadow:none;
      padding:0 12px;
    }
    .cta-form input::placeholder{color:#bfc4cf}
    .cta-form select option{color:#111}
    .cta-form .btn-primary{
      width:100%;
      min-height:48px;
    }
    .cta-tip{
      color:#bfc4cf;
      font-size:12px;
      margin:0;
    }

    .site-footer{
      background:#111216;
      color:#d7dae1;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-inner{
      padding-top:48px;
      padding-bottom:24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr .75fr .85fr;
      gap:32px;
      padding-bottom:32px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand .brand{
      color:#fff;
    }
    .footer-brand .brand:before{
      background:#fff;
      color:#111216;
      box-shadow:inset -8px -8px 0 var(--red);
    }
    .footer-brand p{
      max-width:360px;
      margin:16px 0 0;
      color:#aeb4bf;
      font-size:14px;
    }
    .footer-col h4{
      margin:0 0 14px;
      color:#fff;
      font-size:15px;
      font-weight:950;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#b9bec8;
      font-size:14px;
      font-weight:700;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:3px;
    }
    .footer-pills{
      display:inline-flex;
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.05);
      flex-wrap:wrap;
      border-radius:14px;
    }
    .footer-pills .pill{
      background:rgba(255,255,255,.10);
      color:#d7dae1;
    }
    .footer-bottom{
      padding-top:20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#969ca8;
      font-size:13px;
      flex-wrap:wrap;
    }
    .footer-bottom a{
      color:#d7dae1;
      font-weight:800;
    }
    .footer-bottom a:hover{color:#fff}

    @media (max-width:1100px){
      .site-header .top-bar{
        min-height:auto;
        padding:14px 0;
        align-items:flex-start;
      }
      .top-bar-right{
        flex-direction:column;
        align-items:flex-end;
        gap:10px;
      }
      .header-tools{
        width:100%;
        justify-content:flex-end;
      }
      .search-form{
        width:280px;
        max-width:42vw;
      }
      .quick-metrics{
        grid-template-columns:repeat(2,1fr);
      }
      .process-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
    }

    @media (max-width:900px){
      .strip-inner{
        align-items:flex-start;
        flex-direction:column;
        padding:8px 0;
        gap:6px;
      }
      .site-header{
        position:relative;
      }
      .site-header .top-bar{
        flex-direction:column;
        align-items:stretch;
        gap:13px;
      }
      .top-bar-left,.top-bar-right{
        width:100%;
      }
      .top-bar-right{
        align-items:stretch;
      }
      .main-nav{
        width:100%;
        overflow-x:auto;
        padding-bottom:3px;
        -webkit-overflow-scrolling:touch;
      }
      .main-nav a{
        white-space:nowrap;
      }
      .header-tools{
        flex-direction:column;
        align-items:stretch;
      }
      .search-form{
        width:100%;
        max-width:none;
      }
      .lang-switch-inline{
        align-self:flex-start;
      }
      .sidebar{
        position:static;
        margin-top:22px;
      }
      .hero-copy{
        padding-bottom:10px;
      }
      .download-panel{
        margin-top:20px;
      }
      .compare-row{
        grid-template-columns:1fr;
      }
      .compare-cell{
        border-right:0;
        border-bottom:1px solid var(--line);
      }
      .compare-cell:last-child{border-bottom:0}
      .cta-box{
        grid-template-columns:1fr;
      }
    }

    @media (max-width:640px){
      .grid-container{
        padding-left:16px;
        padding-right:16px;
      }
      .section,.section-tight{
        padding:48px 0;
      }
      .category-hero{
        padding-top:34px;
      }
      h1{
        font-size:34px;
      }
      .hero-summary{
        font-size:15px;
      }
      .quick-metrics{
        grid-template-columns:1fr;
      }
      .section-head{
        display:block;
      }
      .section-desc{
        margin-top:10px;
      }
      .list-card{
        grid-template-columns:1fr;
      }
      .thumb{
        min-height:120px;
      }
      .card-actions{
        align-items:flex-start;
        flex-direction:column;
      }
      .process-grid{
        grid-template-columns:1fr;
      }
      .panel-cover{
        min-height:220px;
      }
      .cover-title{
        font-size:24px;
      }
      .hero-actions .btn{
        width:100%;
      }
      .footer-grid{
        grid-template-columns:1fr;
        gap:24px;
      }
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
      }
    }