/* roulang page: index */
:root{
      --bg:#070b16;
      --bg2:#0b1020;
      --panel:#10182b;
      --panel-2:#131d33;
      --line:rgba(255,255,255,.08);
      --text:#eef3ff;
      --muted:#9ca9c9;
      --soft:#7f8aa8;
      --accent:#1ee3cf;
      --accent-2:#8c6bff;
      --accent-3:#ff9f43;
      --good:#29d17d;
      --shadow:0 18px 40px rgba(0,0,0,.32);
      --shadow-soft:0 12px 28px rgba(0,0,0,.22);
      --radius:22px;
      --radius-sm:14px;
      --radius-xs:10px;
      --space:clamp(16px,2vw,24px);
      --container:1180px;
      --header-h:78px;
    }
    *{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 15% 10%, rgba(30,227,207,.14), transparent 28%),
        radial-gradient(circle at 85% 0%, rgba(140,107,255,.14), transparent 32%),
        linear-gradient(180deg, #070b16 0%, #0b1020 45%, #070b16 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.7), transparent 82%);
      opacity:.22;
      z-index:-1;
    }
    img{
      display:block;
      max-width:100%;
      height:auto;
    }
    a{
      color:inherit;
      text-decoration:none;
    }
    button,input{
      font:inherit;
    }
    button,input,summary{
      outline:none;
    }
    :focus-visible{
      outline:2px solid var(--accent);
      outline-offset:3px;
    }
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(7,11,22,.72);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:.2px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(30,227,207,.2), rgba(140,107,255,.2));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:inset 0 0 24px rgba(30,227,207,.12);
      color:var(--accent);
      flex:none;
      font-size:18px;
    }
    .brand-text{
      font-size:1rem;
      line-height:1.15;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-weight:500;
      font-size:.78rem;
    }
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav a{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      transition:all .22s ease;
      border:1px solid transparent;
      font-size:.95rem;
      white-space:nowrap;
    }
    .nav a:hover{
      color:var(--text);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav a.active{
      color:var(--text);
      background:linear-gradient(135deg, rgba(30,227,207,.14), rgba(140,107,255,.16));
      border-color:rgba(30,227,207,.22);
      box-shadow:0 8px 24px rgba(30,227,207,.08);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:12px 16px;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      color:#061019;
      font-weight:800;
      box-shadow:0 10px 26px rgba(30,227,207,.18);
      transition:transform .22s ease, box-shadow .22s ease, filter .22s ease;
      white-space:nowrap;
    }
    .nav-cta:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(30,227,207,.22);
      filter:saturate(1.08);
    }
    .hero{
      position:relative;
      margin:18px 0 0;
      padding:28px 0 12px;
    }
    .hero-shell{
      position:relative;
      border-radius:30px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
      background:
        linear-gradient(180deg, rgba(8,12,24,.34), rgba(8,12,24,.82)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      isolation:isolate;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 15%, rgba(30,227,207,.26), transparent 22%),
        radial-gradient(circle at 80% 10%, rgba(140,107,255,.24), transparent 25%),
        linear-gradient(180deg, rgba(7,11,22,.06), rgba(7,11,22,.76));
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:center;
      padding:clamp(24px,4vw,56px);
      min-height:560px;
    }
    .hero-copy{
      max-width:620px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
      color:#dce6ff;
      font-size:.88rem;
      letter-spacing:.2px;
    }
    .eyebrow .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--good);
      box-shadow:0 0 0 6px rgba(41,209,125,.14);
    }
    h1{
      margin:18px 0 14px;
      font-size:clamp(2.45rem,6vw,5rem);
      line-height:1.02;
      letter-spacing:-.04em;
    }
    .hero p{
      margin:0;
      max-width:54ch;
      color:#d9e1f3;
      font-size:1.04rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      transition:all .22s ease;
      cursor:pointer;
      font-weight:800;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      color:#04111a;
      box-shadow:0 12px 26px rgba(30,227,207,.16);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 16px 32px rgba(30,227,207,.22);
    }
    .btn-secondary{
      background:rgba(255,255,255,.04);
      color:var(--text);
      border-color:rgba(255,255,255,.11);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.07);
      border-color:rgba(30,227,207,.24);
    }
    .hero-tools{
      margin-top:24px;
      display:grid;
      grid-template-columns:1fr;
      gap:16px;
    }
    .search-box{
      display:flex;
      gap:10px;
      align-items:center;
      padding:12px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.1);
      border-radius:20px;
      box-shadow:var(--shadow-soft);
    }
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      color:var(--text);
      padding:4px 6px;
    }
    .search-box input::placeholder{
      color:var(--soft);
    }
    .search-box .btn{
      min-height:42px;
      padding:0 16px;
      font-size:.92rem;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:#d9e2ff;
      border:1px solid rgba(255,255,255,.08);
      font-size:.88rem;
    }
    .tag i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(30,227,207,.14);
      display:inline-block;
    }
    .hero-panel{
      position:relative;
      display:grid;
      gap:16px;
    }
    .panel-card{
      background:linear-gradient(180deg, rgba(18,27,48,.94), rgba(15,23,41,.92));
      border:1px solid rgba(255,255,255,.08);
      border-radius:28px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .score-card{
      padding:18px;
      display:grid;
      gap:14px;
    }
    .score-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .score-top strong{
      display:block;
      font-size:1.06rem;
    }
    .score-top span{
      color:var(--muted);
      font-size:.9rem;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(30,227,207,.12);
      color:#90fff1;
      border:1px solid rgba(30,227,207,.16);
      font-size:.8rem;
      white-space:nowrap;
    }
    .status::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--good);
      box-shadow:0 0 0 5px rgba(41,209,125,.12);
    }
    .score-visual{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:10px;
      padding:14px 12px;
      background:
        linear-gradient(90deg, rgba(30,227,207,.06), rgba(140,107,255,.08)),
        rgba(255,255,255,.03);
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
    }
    .team{
      min-width:0;
    }
    .team h3{
      margin:0 0 4px;
      font-size:1rem;
    }
    .team p{
      margin:0;
      color:var(--muted);
      font-size:.86rem;
    }
    .versus{
      font-size:1.35rem;
      font-weight:900;
      color:var(--accent);
      letter-spacing:.18em;
    }
    .stat-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:26px;
    }
    .stat-card{
      padding:20px;
      background:linear-gradient(180deg, rgba(17,25,44,.9), rgba(14,21,38,.94));
      border:1px solid rgba(255,255,255,.08);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      min-height:146px;
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .stat-card:hover{
      transform:translateY(-3px);
      border-color:rgba(30,227,207,.2);
      box-shadow:0 18px 34px rgba(0,0,0,.24);
    }
    .stat-card .kicker{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:.88rem;
    }
    .stat-card .num{
      margin:12px 0 6px;
      font-size:2rem;
      line-height:1;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .stat-card p{
      margin:0;
      color:#d5def4;
      font-size:.94rem;
    }
    .stat-badge{
      padding:5px 10px;
      border-radius:999px;
      font-size:.78rem;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#dbe4fb;
    }
    .section{
      padding:54px 0 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:20px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.55rem,3vw,2.25rem);
      line-height:1.12;
      letter-spacing:-.03em;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:60ch;
    }
    .grid-2{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .info-card,
    .feature-card,
    .faq-card,
    .cta-card,
    .banner-card{
      background:linear-gradient(180deg, rgba(18,27,48,.9), rgba(13,19,35,.96));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .info-card{
      padding:22px;
    }
    .info-card h3{
      margin:0 0 10px;
      font-size:1.18rem;
    }
    .info-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .info-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.06);
      color:#dbe3f5;
    }
    .info-list li:first-child{
      border-top:0;
      padding-top:0;
    }
    .bullet{
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:8px;
      flex:none;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 6px rgba(30,227,207,.08);
    }
    .feature-card{
      overflow:hidden;
    }
    .feature-media{
      aspect-ratio:16/10;
      overflow:hidden;
      position:relative;
      background:#0c1222;
    }
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent, rgba(8,11,18,.68));
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s ease;
    }
    .feature-card:hover .feature-media img{
      transform:scale(1.03);
    }
    .feature-body{
      padding:18px 18px 20px;
    }
    .feature-body .meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      color:#d9e3fb;
      font-size:.8rem;
    }
    .feature-body h3{
      margin:0 0 10px;
      font-size:1.18rem;
    }
    .feature-body p{
      margin:0 0 16px;
      color:var(--muted);
    }
    .feature-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#dff9f5;
      font-weight:800;
    }
    .feature-link span{
      transition:transform .22s ease;
    }
    .feature-card:hover .feature-link span{
      transform:translateX(3px);
    }
    .topic-banner{
      padding:24px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(30,227,207,.12), rgba(140,107,255,.1)),
        linear-gradient(180deg, rgba(18,27,48,.9), rgba(12,18,32,.96));
    }
    .topic-banner::before{
      content:"";
      position:absolute;
      inset:auto -10% -25% auto;
      width:240px;
      height:240px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(255,159,67,.28), transparent 68%);
      filter:blur(6px);
      pointer-events:none;
    }
    .topic-banner .banner-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .topic-banner h3{
      margin:0 0 10px;
      font-size:1.35rem;
    }
    .topic-banner p{
      margin:0 0 18px;
      color:#d7def3;
    }
    .mini-list{
      display:grid;
      gap:10px;
    }
    .mini-item{
      display:flex;
      gap:12px;
      align-items:center;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .mini-item strong{
      display:block;
      font-size:.96rem;
    }
    .mini-item span{
      display:block;
      color:var(--muted);
      font-size:.86rem;
    }
    .badge-box{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg, rgba(30,227,207,.18), rgba(140,107,255,.18));
      color:var(--accent);
      font-weight:900;
      flex:none;
      border:1px solid rgba(255,255,255,.08);
    }
    .faq-grid{
      display:grid;
      gap:14px;
    }
    details.faq-card{
      overflow:hidden;
    }
    details.faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:800;
    }
    details.faq-card summary::-webkit-details-marker{display:none}
    details.faq-card summary span{
      color:var(--accent);
      font-size:1.1rem;
      flex:none;
    }
    details.faq-card .faq-content{
      padding:0 22px 20px;
      color:var(--muted);
    }
    .cta-card{
      padding:26px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:center;
      background:
        linear-gradient(135deg, rgba(30,227,207,.12), rgba(140,107,255,.12)),
        linear-gradient(180deg, rgba(18,27,48,.9), rgba(13,19,35,.96));
    }
    .cta-card h2{
      margin:0 0 10px;
      font-size:clamp(1.6rem,3vw,2.4rem);
      line-height:1.08;
    }
    .cta-card p{
      margin:0;
      color:#d8e0f3;
      max-width:58ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .footer{
      margin-top:54px;
      padding:38px 0 30px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(9,13,24,.35), rgba(7,11,22,.9));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:20px;
      align-items:start;
    }
    .footer h3{
      margin:0 0 12px;
      font-size:1.06rem;
    }
    .footer p{
      margin:0;
      color:var(--muted);
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#dfe6fb;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-links a:hover{
      color:var(--accent);
      transform:translateX(2px);
    }
    .footer-note{
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid var(--line);
      display:flex;
      gap:16px;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      color:var(--soft);
      font-size:.92rem;
    }
    .site-links{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }
    .site-links a{
      color:#d8e3fb;
    }
    .site-links a:hover{
      color:var(--accent);
    }
    .section-anchor{
      scroll-margin-top:100px;
    }
    .small-note{
      color:var(--soft);
      font-size:.88rem;
    }
    .score-strip{
      display:grid;
      gap:12px;
    }
    .strip-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    .strip-item strong{
      display:block;
      font-size:.98rem;
    }
    .strip-item span{
      color:var(--muted);
      font-size:.86rem;
    }
    .strip-score{
      color:#9ff8eb;
      font-weight:900;
      letter-spacing:.08em;
    }
    .split-cards{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .split-cards .feature-card .feature-media{
      aspect-ratio:16/9;
    }
    .scroll-top{
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .hidden-on-desktop{
      display:none;
    }
    @media (max-width: 1080px){
      .hero-inner,
      .cta-card,
      .topic-banner .banner-grid,
      .footer-grid,
      .grid-2,
      .split-cards{
        grid-template-columns:1fr;
      }
      .stat-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }
    @media (max-width: 768px){
      .nav-wrap{
        flex-wrap:wrap;
        padding:12px 0;
      }
      .nav{
        width:100%;
        order:3;
        justify-content:flex-start;
        overflow:auto;
        padding-bottom:2px;
        scrollbar-width:none;
      }
      .nav::-webkit-scrollbar{display:none}
      .nav-cta{
        margin-left:auto;
      }
      .hero{
        margin-top:12px;
      }
      .hero-shell{
        border-radius:24px;
      }
      .hero-inner{
        min-height:auto;
        padding:22px;
      }
      h1{
        font-size:clamp(2.1rem,12vw,3.4rem);
      }
      .stat-grid{
        grid-template-columns:1fr;
      }
      .score-visual{
        grid-template-columns:1fr;
        text-align:center;
      }
      .versus{
        padding:4px 0;
      }
      .hidden-on-mobile{
        display:none;
      }
      .grid-3{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 520px){
      .container{
        width:min(var(--container), calc(100% - 22px));
      }
      .nav a,
      .btn,
      .tag,
      .chip{
        border-radius:16px;
      }
      .hero-shell{
        border-radius:20px;
      }
      .hero-inner{
        padding:18px;
      }
      .section{
        padding-top:42px;
      }
      .info-card,
      .feature-body,
      .topic-banner,
      .cta-card,
      .faq-card summary,
      .faq-content{
        padding-left:16px;
        padding-right:16px;
      }
      .search-box{
        padding:10px;
      }
      .footer{
        padding-top:30px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #080d18;
      --bg-soft: #0d1524;
      --panel: #101b2b;
      --panel-2: #142238;
      --text: #f4f7fb;
      --muted: #93a3b8;
      --muted-2: #6f8198;
      --line: rgba(148, 174, 205, .16);
      --line-strong: rgba(90, 226, 210, .38);
      --cyan: #5ae2d2;
      --cyan-deep: #26b9b3;
      --violet: #9d7cff;
      --orange: #ff9d58;
      --green: #72e6a2;
      --danger: #ff7e86;
      --radius-sm: 10px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --shadow: 0 18px 55px rgba(0, 0, 0, .28);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      min-width: 320px;
      background:
        radial-gradient(circle at 84% 8%, rgba(93, 72, 190, .15), transparent 28rem),
        radial-gradient(circle at 8% 34%, rgba(40, 185, 179, .08), transparent 25rem),
        var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    body::before {
      position: fixed;
      inset: 0;
      z-index: -1;
      pointer-events: none;
      content: "";
      opacity: .24;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, black, transparent 80%);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
    }

    button,
    input,
    select {
      font: inherit;
    }

    button,
    a,
    select,
    input {
      -webkit-tap-highlight-color: transparent;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(90, 226, 210, .55);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(148, 174, 205, .11);
      background: rgba(8, 13, 24, .82);
      backdrop-filter: blur(18px);
    }

    .nav-wrap {
      display: flex;
      min-height: 78px;
      align-items: center;
      gap: 30px;
    }

    .brand {
      display: inline-flex;
      min-width: 245px;
      align-items: center;
      gap: 12px;
    }

    .brand-mark {
      display: grid;
      width: 40px;
      height: 40px;
      place-items: center;
      border: 1px solid rgba(90, 226, 210, .62);
      border-radius: 12px;
      color: var(--cyan);
      font-size: 22px;
      font-weight: 800;
      background: linear-gradient(145deg, rgba(90, 226, 210, .19), rgba(157, 124, 255, .2));
      box-shadow: 0 0 24px rgba(90, 226, 210, .14);
    }

    .brand-text {
      color: var(--text);
      font-size: 16px;
      font-weight: 800;
      line-height: 1.25;
    }

    .brand-sub {
      display: block;
      margin-top: 4px;
      color: var(--muted-2);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: .02em;
      white-space: nowrap;
    }

    .nav {
      display: flex;
      flex: 1;
      align-items: center;
      gap: 8px;
    }

    .nav a {
      position: relative;
      padding: 9px 12px;
      border-radius: 9px;
      color: var(--muted);
      font-size: 14px;
      transition: color .25s ease, background .25s ease, transform .25s ease;
    }

    .nav a::after {
      position: absolute;
      right: 12px;
      bottom: 3px;
      left: 12px;
      height: 2px;
      content: "";
      background: var(--cyan);
      opacity: 0;
      transform: scaleX(.3);
      transition: opacity .25s ease, transform .25s ease;
    }

    .nav a:hover,
    .nav a.active {
      color: var(--text);
      background: rgba(90, 226, 210, .08);
    }

    .nav a:hover {
      transform: translateY(-1px);
    }

    .nav a.active {
      color: var(--cyan);
    }

    .nav a.active::after {
      opacity: 1;
      transform: scaleX(1);
    }

    .nav-cta {
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      justify-content: center;
      padding: 0 17px;
      border: 1px solid rgba(90, 226, 210, .55);
      border-radius: 10px;
      color: #07131c;
      font-size: 13px;
      font-weight: 800;
      background: var(--cyan);
      box-shadow: 0 8px 22px rgba(90, 226, 210, .15);
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
    }

    .nav-cta:hover {
      background: #7af0df;
      box-shadow: 0 12px 28px rgba(90, 226, 210, .24);
      transform: translateY(-2px);
    }

    .page-banner {
      position: relative;
      overflow: hidden;
      min-height: 365px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(8, 13, 24, .96) 0%, rgba(8, 13, 24, .78) 45%, rgba(8, 13, 24, .3) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }

    .page-banner::after {
      position: absolute;
      top: -70px;
      right: 13%;
      width: 270px;
      height: 270px;
      content: "";
      border: 1px solid rgba(90, 226, 210, .22);
      border-radius: 50%;
      box-shadow: 0 0 0 30px rgba(90, 226, 210, .025), 0 0 0 70px rgba(90, 226, 210, .018);
      transform: rotate(18deg);
    }

    .banner-inner {
      position: relative;
      z-index: 1;
      display: flex;
      min-height: 365px;
      align-items: center;
      justify-content: space-between;
      gap: 45px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      color: var(--muted-2);
      font-size: 12px;
    }

    .breadcrumb a:hover {
      color: var(--cyan);
    }

    .breadcrumb span {
      color: var(--muted-2);
    }

    .banner-copy {
      max-width: 720px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 15px;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .1em;
    }

    .eyebrow::before {
      width: 22px;
      height: 2px;
      content: "";
      background: var(--cyan);
      box-shadow: 8px 0 0 rgba(90, 226, 210, .35);
    }

    .banner-copy h1 {
      max-width: 760px;
      font-size: clamp(34px, 5vw, 64px);
      font-weight: 900;
      letter-spacing: -.045em;
      line-height: 1.12;
    }

    .banner-copy h1 em {
      color: var(--cyan);
      font-style: normal;
    }

    .banner-copy p {
      max-width: 670px;
      margin-top: 20px;
      color: var(--muted);
      font-size: 16px;
    }

    .banner-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 25px;
    }

    .meta-chip,
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 11px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      font-size: 12px;
      background: rgba(16, 27, 43, .76);
    }

    .meta-chip strong {
      margin-right: 5px;
      color: var(--cyan);
    }

    .section {
      padding: 82px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 25px;
      margin-bottom: 28px;
    }

    .section-kicker {
      margin-bottom: 6px;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .12em;
    }

    .section-head h2 {
      font-size: clamp(25px, 3vw, 38px);
      letter-spacing: -.035em;
      line-height: 1.2;
    }

    .section-head p {
      max-width: 510px;
      color: var(--muted);
      font-size: 14px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 30px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(16, 27, 43, .68);
    }

    .filter-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .filter-tab {
      cursor: pointer;
      min-height: 36px;
      padding: 0 14px;
      border: 1px solid transparent;
      border-radius: 9px;
      color: var(--muted);
      background: transparent;
      transition: color .25s ease, border .25s ease, background .25s ease, transform .25s ease;
    }

    .filter-tab:hover {
      color: var(--text);
      border-color: var(--line-strong);
      transform: translateY(-1px);
    }

    .filter-tab.is-current {
      border-color: rgba(90, 226, 210, .48);
      color: #07131c;
      background: var(--cyan);
      font-weight: 800;
    }

    .filter-select {
      min-height: 38px;
      padding: 0 34px 0 12px;
      border: 1px solid var(--line);
      border-radius: 9px;
      color: var(--muted);
      outline: none;
      background: var(--bg-soft);
    }

    .filter-select:focus {
      border-color: var(--cyan);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      align-items: start;
      gap: 28px;
    }

    .score-list {
      display: grid;
      gap: 16px;
    }

    .score-card {
      position: relative;
      display: grid;
      grid-template-columns: 205px minmax(0, 1fr) auto;
      min-height: 180px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: linear-gradient(120deg, rgba(20, 34, 56, .96), rgba(13, 21, 36, .94));
      box-shadow: 0 8px 28px rgba(0, 0, 0, .12);
      transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
    }

    .score-card:hover {
      border-color: rgba(90, 226, 210, .48);
      box-shadow: var(--shadow);
      transform: translateY(-4px);
    }

    .score-cover {
      position: relative;
      min-height: 180px;
      overflow: hidden;
    }

    .score-cover::after {
      position: absolute;
      inset: 0;
      content: "";
      background: linear-gradient(90deg, transparent 45%, rgba(13, 21, 36, .72));
    }

    .score-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .score-card:hover .score-cover img {
      transform: scale(1.06);
    }

    .score-cover-label {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 1;
      padding: 4px 8px;
      border-radius: 6px;
      color: #08131d;
      font-size: 11px;
      font-weight: 800;
      background: var(--orange);
    }

    .score-info {
      padding: 24px 20px;
    }

    .score-info .tag {
      min-height: 25px;
      margin-bottom: 12px;
      border-color: rgba(90, 226, 210, .22);
      color: var(--cyan);
      font-size: 11px;
      background: rgba(90, 226, 210, .06);
    }

    .score-info h3 {
      font-size: 19px;
      line-height: 1.4;
    }

    .score-info h3 a {
      transition: color .25s ease;
    }

    .score-info h3 a:hover {
      color: var(--cyan);
    }

    .score-info p {
      display: -webkit-box;
      overflow: hidden;
      margin-top: 9px;
      color: var(--muted);
      font-size: 13px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .score-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      margin-top: 16px;
      color: var(--muted-2);
      font-size: 11px;
    }

    .score-meta strong {
      color: var(--green);
      font-weight: 700;
    }

    .score-action {
      display: flex;
      min-width: 116px;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .text-link::after {
      content: "→";
      transition: transform .25s ease;
    }

    .text-link:hover::after {
      transform: translateX(4px);
    }

    .sidebar {
      display: grid;
      gap: 18px;
    }

    .side-panel {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(16, 27, 43, .78);
    }

    .side-panel.highlight {
      border-color: rgba(157, 124, 255, .38);
      background:
        linear-gradient(145deg, rgba(58, 44, 117, .38), rgba(16, 27, 43, .92)),
        url("/assets/images/coverpic/cover-4.webp") center/cover no-repeat;
    }

    .side-panel h3 {
      margin-bottom: 15px;
      font-size: 17px;
    }

    .side-panel p {
      color: var(--muted);
      font-size: 13px;
    }

    .hot-list {
      display: grid;
      gap: 13px;
      list-style: none;
    }

    .hot-list li {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 10px;
      align-items: start;
      padding-bottom: 13px;
      border-bottom: 1px solid var(--line);
    }

    .hot-list li:last-child {
      padding-bottom: 0;
      border-bottom: 0;
    }

    .hot-index {
      display: grid;
      width: 25px;
      height: 25px;
      place-items: center;
      border-radius: 7px;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
      background: rgba(90, 226, 210, .1);
    }

    .hot-list a {
      display: block;
      color: var(--text);
      font-size: 13px;
      line-height: 1.5;
      transition: color .25s ease;
    }

    .hot-list a:hover {
      color: var(--cyan);
    }

    .hot-list small {
      display: block;
      margin-top: 3px;
      color: var(--muted-2);
      font-size: 11px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-cloud a:hover {
      border-color: var(--line-strong);
      color: var(--cyan);
      background: rgba(90, 226, 210, .08);
    }

    .mini-stat {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-top: 18px;
      padding-top: 17px;
      border-top: 1px solid var(--line);
    }

    .mini-stat strong {
      display: block;
      color: var(--text);
      font-size: 30px;
      line-height: 1;
    }

    .mini-stat span {
      color: var(--muted-2);
      font-size: 11px;
    }

    .mini-stat b {
      color: var(--green);
      font-size: 12px;
    }

    .feature-strip {
      display: grid;
      grid-template-columns: 1.12fr .88fr;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .feature-copy {
      padding: 42px;
      background:
        radial-gradient(circle at 12% 10%, rgba(90, 226, 210, .12), transparent 16rem),
        var(--panel);
    }

    .feature-copy h2 {
      max-width: 530px;
      font-size: clamp(26px, 3vw, 42px);
      letter-spacing: -.04em;
      line-height: 1.2;
    }

    .feature-copy p {
      max-width: 525px;
      margin-top: 16px;
      color: var(--muted);
      font-size: 14px;
    }

    .feature-points {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 15px;
      margin-top: 28px;
    }

    .feature-point {
      padding: 15px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(8, 13, 24, .34);
    }

    .feature-point strong {
      display: block;
      margin-bottom: 4px;
      color: var(--cyan);
      font-size: 14px;
    }

    .feature-point span {
      color: var(--muted-2);
      font-size: 12px;
    }

    .feature-image {
      position: relative;
      min-height: 360px;
      overflow: hidden;
    }

    .feature-image::after {
      position: absolute;
      inset: 0;
      content: "";
      background: linear-gradient(90deg, rgba(16, 27, 43, .18), rgba(16, 27, 43, .02));
    }

    .feature-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .feature-badge {
      position: absolute;
      right: 20px;
      bottom: 20px;
      z-index: 1;
      max-width: 210px;
      padding: 13px 15px;
      border: 1px solid rgba(90, 226, 210, .34);
      border-radius: 12px;
      color: var(--text);
      font-size: 12px;
      background: rgba(8, 13, 24, .76);
      backdrop-filter: blur(12px);
    }

    .feature-badge strong {
      display: block;
      margin-bottom: 3px;
      color: var(--cyan);
      font-size: 17px;
    }

    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 32px;
    }

    .page-number {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 9px;
      color: var(--muted);
      font-size: 13px;
      transition: color .25s ease, border .25s ease, background .25s ease, transform .25s ease;
    }

    .page-number:hover,
    .page-number.current {
      border-color: var(--cyan);
      color: #07131c;
      background: var(--cyan);
      transform: translateY(-2px);
    }

    .faq-section {
      background: linear-gradient(180deg, transparent, rgba(20, 34, 56, .22), transparent);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 55px;
      align-items: start;
    }

    .faq-intro h2 {
      max-width: 380px;
      font-size: clamp(28px, 4vw, 46px);
      letter-spacing: -.045em;
      line-height: 1.15;
    }

    .faq-intro p {
      max-width: 390px;
      margin-top: 17px;
      color: var(--muted);
      font-size: 14px;
    }

    .faq-list {
      display: grid;
      gap: 10px;
    }

    .faq-item {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 13px;
      background: rgba(16, 27, 43, .78);
    }

    .faq-item summary {
      position: relative;
      cursor: pointer;
      padding: 18px 50px 18px 20px;
      color: var(--text);
      font-size: 14px;
      font-weight: 800;
      list-style: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      position: absolute;
      top: 17px;
      right: 20px;
      color: var(--cyan);
      content: "+";
      font-size: 22px;
      font-weight: 400;
      line-height: 1;
      transition: transform .25s ease;
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-answer {
      padding: 0 20px 19px;
      color: var(--muted);
      font-size: 13px;
    }

    .cta-section {
      padding-top: 25px;
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      padding: 48px;
      border: 1px solid rgba(90, 226, 210, .35);
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 82% 24%, rgba(157, 124, 255, .28), transparent 20rem),
        linear-gradient(110deg, rgba(23, 66, 85, .78), rgba(16, 27, 43, .95));
    }

    .cta-box::before {
      position: absolute;
      right: -45px;
      bottom: -100px;
      width: 280px;
      height: 280px;
      content: "";
      border: 1px solid rgba(90, 226, 210, .25);
      border-radius: 50%;
      box-shadow: 0 0 0 30px rgba(90, 226, 210, .04), 0 0 0 60px rgba(90, 226, 210, .025);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 25px;
    }

    .cta-box h2 {
      max-width: 620px;
      font-size: clamp(25px, 3vw, 39px);
      letter-spacing: -.04em;
      line-height: 1.2;
    }

    .cta-box p {
      max-width: 650px;
      margin-top: 10px;
      color: #b4c8d9;
      font-size: 14px;
    }

    .button {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      padding: 0 22px;
      border: 1px solid transparent;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
    }

    .button-primary {
      color: #07131c;
      background: var(--cyan);
      box-shadow: 0 10px 24px rgba(90, 226, 210, .15);
    }

    .button-primary:hover {
      background: #7af0df;
      box-shadow: 0 14px 30px rgba(90, 226, 210, .28);
      transform: translateY(-3px);
    }

    .footer {
      margin-top: 30px;
      padding: 58px 0 22px;
      border-top: 1px solid var(--line);
      background: #070b14;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr .9fr;
      gap: 45px;
      padding-bottom: 36px;
    }

    .footer h3 {
      margin-bottom: 13px;
      color: var(--text);
      font-size: 15px;
    }

    .footer p,
    .footer a {
      color: var(--muted-2);
      font-size: 12px;
    }

    .footer p {
      max-width: 360px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer a {
      transition: color .25s ease;
    }

    .footer a:hover {
      color: var(--cyan);
    }

    .footer-note {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
      padding-top: 19px;
      border-top: 1px solid var(--line);
      color: var(--muted-2);
      font-size: 11px;
    }

    .site-links {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
    }

    .empty-state {
      padding: 30px;
      border: 1px dashed var(--line);
      border-radius: var(--radius-md);
      color: var(--muted);
      text-align: center;
      background: rgba(16, 27, 43, .4);
    }

    @media (max-width: 1024px) {
      .nav-wrap {
        gap: 15px;
      }

      .brand {
        min-width: 210px;
      }

      .brand-sub {
        display: none;
      }

      .content-layout {
        grid-template-columns: minmax(0, 1fr) 280px;
      }

      .score-card {
        grid-template-columns: 170px minmax(0, 1fr) auto;
      }

      .feature-copy {
        padding: 32px;
      }

      .faq-grid {
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(var(--container), calc(100% - 32px));
      }

      .site-header {
        position: relative;
      }

      .nav-wrap {
        min-height: auto;
        flex-wrap: wrap;
        padding: 15px 0;
      }

      .brand {
        min-width: 0;
        flex: 1;
      }

      .nav {
        order: 3;
        width: 100%;
        flex: auto;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .nav a {
        flex: 0 0 auto;
        font-size: 13px;
      }

      .nav-cta {
        min-height: 37px;
        padding: 0 13px;
      }

      .page-banner,
      .banner-inner {
        min-height: 330px;
      }

      .banner-copy p {
        font-size: 14px;
      }

      .section {
        padding: 60px 0;
      }

      .content-layout,
      .feature-strip,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .score-card {
        grid-template-columns: 145px minmax(0, 1fr);
      }

      .score-action {
        grid-column: 2;
        justify-content: flex-start;
        min-height: auto;
        padding: 0 20px 21px;
      }

      .feature-image {
        min-height: 270px;
      }

      .faq-intro p {
        max-width: 600px;
      }

      .cta-content {
        align-items: flex-start;
        flex-direction: column;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
      }

      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(var(--container), calc(100% - 24px));
      }

      .brand-mark {
        width: 35px;
        height: 35px;
        font-size: 19px;
      }

      .brand-text {
        font-size: 14px;
      }

      .nav-cta {
        font-size: 12px;
      }

      .page-banner,
      .banner-inner {
        min-height: 360px;
      }

      .banner-copy h1 {
        font-size: 37px;
      }

      .banner-copy p {
        font-size: 13px;
      }

      .section-head {
        display: block;
      }

      .section-head p {
        margin-top: 11px;
      }

      .filter-bar {
        align-items: stretch;
        flex-direction: column;
      }

      .filter-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 3px;
      }

      .filter-tab {
        flex: 0 0 auto;
      }

      .filter-select {
        width: 100%;
      }

      .sidebar {
        grid-template-columns: 1fr;
      }

      .score-card {
        display: block;
      }

      .score-cover {
        min-height: 155px;
      }

      .score-info {
        padding: 20px;
      }

      .score-action {
        padding: 0 20px 20px;
      }

      .feature-copy {
        padding: 27px 22px;
      }

      .feature-points {
        grid-template-columns: 1fr;
      }

      .feature-image {
        min-height: 225px;
      }

      .cta-box {
        padding: 30px 22px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid > div:first-child {
        grid-column: auto;
      }

      .footer-note {
        align-items: flex-start;
        flex-direction: column;
      }
    }