/* roulang page: index */
:root{
      --bg:#0e1011;
      --bg-2:#15181a;
      --paper:#f4efe6;
      --paper-2:#ebe4d9;
      --ink:#171a1c;
      --ink-soft:#525a61;
      --text:#f5f1ea;
      --muted:#9aa4ab;
      --line:rgba(245,241,234,.12);
      --line-soft:rgba(23,26,28,.10);
      --card:#171a1c;
      --card-soft:#1d2123;
      --accent:#2dd4bf;
      --accent-strong:#0f766e;
      --warm:#f97316;
      --cool:#a7f3d0;
      --shadow:0 16px 42px rgba(0,0,0,.18);
      --shadow-soft:0 10px 28px rgba(0,0,0,.10);
      --r-xl:24px;
      --r-lg:18px;
      --r-md:14px;
      --r-sm:12px;
      --container:1180px;
      --space:clamp(18px, 2vw, 28px);
      --section:84px;
      --focus:0 0 0 3px rgba(45,212,191,.22);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      background:var(--bg);
      color:var(--text);
      line-height:1.7;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button,input,select,textarea{border:0;outline:0}
    ::selection{background:rgba(45,212,191,.28);color:#fff}
    :focus-visible{outline:none;box-shadow:var(--focus)}

    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(14,16,17,.96);
      border-bottom:1px solid rgba(255,255,255,.08);
    }

    .topbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:16px 0 12px;
    }

    .brand{
      display:inline-flex;
      flex-direction:column;
      gap:2px;
      min-width:220px;
      font-weight:800;
      line-height:1.15;
      letter-spacing:0;
      color:var(--text);
    }
    .brand strong{
      font-size:22px;
      display:block;
      white-space:nowrap;
    }
    .brand span{
      font-size:12px;
      color:var(--muted);
      font-weight:600;
      letter-spacing:0;
    }

    .searchbar{
      display:flex;
      align-items:center;
      gap:10px;
      flex:1;
      max-width:520px;
      margin-left:auto;
    }
    .searchbar input{
      width:100%;
      height:44px;
      padding:0 16px;
      border-radius:999px;
      background:#121516;
      color:var(--text);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
      transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .searchbar input::placeholder{color:#7f8a91}
    .searchbar input:focus{
      border-color:rgba(45,212,191,.55);
      box-shadow:0 0 0 3px rgba(45,212,191,.12);
    }
    .searchbar button{
      height:44px;
      padding:0 18px;
      border-radius:999px;
      background:var(--accent);
      color:#073430;
      font-weight:800;
      cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
      box-shadow:0 10px 24px rgba(45,212,191,.18);
      white-space:nowrap;
    }
    .searchbar button:hover{transform:translateY(-1px);background:#54e0cb}
    .searchbar button:active{transform:translateY(0)}

    .navrow{
      display:flex;
      align-items:center;
      gap:16px;
      padding:0 0 14px;
    }

    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      min-width:0;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:38px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      color:#d7dbdd;
      background:rgba(255,255,255,.02);
      font-weight:700;
      transition:background .18s ease, border-color .18s ease, transform .18s ease, color .18s ease;
    }
    .nav-link:hover{
      background:rgba(255,255,255,.05);
      border-color:rgba(45,212,191,.30);
      color:#fff;
      transform:translateY(-1px);
    }
    .nav-link.active{
      background:rgba(45,212,191,.12);
      border-color:rgba(45,212,191,.45);
      color:#dffdf8;
    }

    .trend-strip{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      margin-left:auto;
      overflow:auto;
      padding-bottom:2px;
      scrollbar-width:none;
      -ms-overflow-style:none;
    }
    .trend-strip::-webkit-scrollbar{display:none}
    .trend-label{
      flex:0 0 auto;
      font-size:12px;
      font-weight:800;
      color:#b9c1c7;
      letter-spacing:0;
      text-transform:none;
    }
    .trend-chip{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:#101314;
      color:#d4dadf;
      font-size:13px;
      transition:transform .18s ease, border-color .18s ease, background .18s ease;
      white-space:nowrap;
    }
    .trend-chip:hover{
      transform:translateY(-1px);
      border-color:rgba(45,212,191,.35);
      background:#14181a;
    }
    .trend-dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--warm);
      box-shadow:0 0 0 4px rgba(249,115,22,.14);
    }

    main{display:block}

    .hero{
      position:relative;
      padding:54px 0 42px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,0)),
        linear-gradient(180deg, #0f1112 0%, #111516 60%, #0f1112 100%);
      border-bottom:1px solid rgba(255,255,255,.06);
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px) 0 0 / 120px 120px,
        linear-gradient(180deg, rgba(255,255,255,.018) 1px, transparent 1px) 0 0 / 120px 120px;
      opacity:.22;
      pointer-events:none;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.8), transparent 88%);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);
      gap:32px;
      align-items:center;
      z-index:1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(45,212,191,.22);
      background:rgba(45,212,191,.08);
      color:#c7fff5;
      font-size:13px;
      font-weight:800;
      letter-spacing:0;
      width:fit-content;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--warm);
      box-shadow:0 0 0 4px rgba(249,115,22,.16);
    }
    .hero h1{
      margin:18px 0 14px;
      font-size:56px;
      line-height:1.08;
      letter-spacing:0;
      font-weight:800;
      max-width:11ch;
    }
    .hero p{
      margin:0;
      max-width:660px;
      color:#c6cdd2;
      font-size:17px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      height:48px;
      padding:0 18px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:0;
      transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--accent);
      color:#0c2f2c;
      box-shadow:0 12px 30px rgba(45,212,191,.18);
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      background:#56e0cc;
      box-shadow:0 16px 32px rgba(45,212,191,.22);
    }
    .btn-secondary{
      background:transparent;
      border:1px solid rgba(255,255,255,.14);
      color:#edf3f5;
    }
    .btn-secondary:hover{
      transform:translateY(-1px);
      border-color:rgba(45,212,191,.45);
      background:rgba(255,255,255,.04);
    }

    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:28px;
    }
    .point{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .point strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:#fff;
      margin-bottom:4px;
    }
    .point span{
      color:#b5c0c6;
      font-size:13px;
    }

    .signal-board{
      padding:20px;
      border-radius:var(--r-xl);
      background:linear-gradient(180deg, #16191b, #121415);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
    }
    .signal-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-bottom:14px;
    }
    .signal-top h2{
      margin:0;
      font-size:18px;
      line-height:1.2;
      font-weight:800;
    }
    .signal-top span{
      color:#98a3aa;
      font-size:13px;
      white-space:nowrap;
    }
    .wave{
      display:flex;
      align-items:flex-end;
      gap:8px;
      height:126px;
      padding:14px 0 10px;
      margin-bottom:14px;
      border-top:1px solid rgba(255,255,255,.08);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .wave i{
      display:block;
      width:100%;
      border-radius:999px;
      background:linear-gradient(180deg, rgba(45,212,191,.95), rgba(45,212,191,.18));
      animation:pulsebar 5s ease-in-out infinite;
      transform-origin:bottom;
    }
    .wave i:nth-child(1){height:34%;animation-delay:0s}
    .wave i:nth-child(2){height:62%;animation-delay:.3s}
    .wave i:nth-child(3){height:45%;animation-delay:.6s}
    .wave i:nth-child(4){height:80%;animation-delay:.9s}
    .wave i:nth-child(5){height:52%;animation-delay:1.2s}
    .wave i:nth-child(6){height:92%;animation-delay:1.5s}
    .wave i:nth-child(7){height:58%;animation-delay:1.8s}
    .wave i:nth-child(8){height:76%;animation-delay:2.1s}
    @keyframes pulsebar{
      0%,100%{transform:scaleY(.88);opacity:.78}
      50%{transform:scaleY(1);opacity:1}
    }

    .signal-list{
      display:grid;
      gap:10px;
    }
    .signal-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.08);
    }
    .signal-item em{
      font-style:normal;
      font-size:12px;
      padding:5px 8px;
      border-radius:999px;
      background:rgba(45,212,191,.12);
      color:#c7fff5;
      border:1px solid rgba(45,212,191,.18);
      white-space:nowrap;
    }
    .signal-item strong{
      font-size:15px;
      line-height:1.4;
      font-weight:800;
    }
    .signal-item span{
      color:#a9b2b8;
      font-size:13px;
      white-space:nowrap;
    }

    .band{
      padding:var(--section) 0;
      background:var(--paper);
      color:var(--ink);
    }
    .band-soft{
      background:linear-gradient(180deg, #f5f0e7, #ece5da);
    }
    .band-dark{
      background:var(--bg-2);
      color:var(--text);
    }

    .section-head{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:16px;
      align-items:end;
      margin-bottom:26px;
    }
    .section-head .title-wrap{
      max-width:700px;
    }
    .section-title{
      margin:0 0 10px;
      font-size:32px;
      line-height:1.15;
      font-weight:800;
      letter-spacing:0;
    }
    .section-desc{
      margin:0;
      color:inherit;
      opacity:.84;
      font-size:16px;
      line-height:1.8;
      max-width:760px;
    }

    .band-dark .section-desc,
    .band-dark .meta,
    .band-dark .muted,
    .band-dark .small-note,
    .band-dark .faq-content,
    .band-dark .route-desc{
      color:#d3d9dd;
      opacity:.88;
    }

    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
      align-items:center;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      height:36px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(23,26,28,.12);
      background:rgba(255,255,255,.6);
      color:var(--ink);
      font-size:13px;
      font-weight:700;
      transition:transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
      white-space:nowrap;
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(15,118,110,.36);
      background:#fff;
    }
    .chip.active{
      background:rgba(45,212,191,.16);
      border-color:rgba(45,212,191,.45);
      color:#0f615a;
    }
    .chip.dark{
      background:rgba(255,255,255,.04);
      color:#e9eff2;
      border-color:rgba(255,255,255,.12);
    }
    .chip.dark.active{
      background:rgba(45,212,191,.12);
      color:#dffff7;
      border-color:rgba(45,212,191,.35);
    }

    .portal-grid{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:16px;
    }
    .card{
      border-radius:var(--r-lg);
      border:1px solid rgba(23,26,28,.10);
      background:rgba(255,255,255,.64);
      box-shadow:var(--shadow-soft);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:0 14px 26px rgba(0,0,0,.08);
      border-color:rgba(15,118,110,.26);
    }
    .band-dark .card{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      box-shadow:none;
    }
    .band-dark .card:hover{
      border-color:rgba(45,212,191,.32);
      background:rgba(255,255,255,.05);
    }

    .entry-main{
      grid-column:span 6;
      padding:22px;
      min-height:280px;
      background:
        linear-gradient(180deg, rgba(45,212,191,.10), transparent 38%),
        rgba(255,255,255,.68);
    }
    .entry-main .card-title{
      font-size:24px;
      margin:0 0 10px;
      line-height:1.2;
      font-weight:800;
    }
    .card-text{
      margin:0;
      color:var(--ink-soft);
      font-size:15px;
      line-height:1.85;
    }
    .mini-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .mini-tags .tag{
      display:inline-flex;
      align-items:center;
      height:30px;
      padding:0 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(23,26,28,.10);
      color:#4d565d;
      font-size:12px;
      font-weight:700;
    }
    .entry-side{
      grid-column:span 3;
      padding:18px;
      min-height:132px;
    }
    .entry-side .kicker{
      font-size:12px;
      font-weight:800;
      color:#0d6b62;
      margin:0 0 8px;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .entry-side .kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--warm);
      box-shadow:0 0 0 4px rgba(249,115,22,.14);
    }
    .entry-side h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.25;
      font-weight:800;
    }
    .entry-side p{
      margin:0;
      color:var(--ink-soft);
      font-size:14px;
      line-height:1.7;
    }
    .entry-side .linkline{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      font-size:13px;
      font-weight:800;
      color:#0f615a;
    }

    .stat-grid{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:16px;
    }
    .metric-large{
      grid-column:span 5;
      padding:24px;
      background:#fffaf0;
    }
    .metric-large .num{
      display:block;
      font-size:52px;
      line-height:1;
      font-weight:800;
      letter-spacing:0;
      color:#132025;
      margin-bottom:10px;
    }
    .metric-large .label{
      font-size:14px;
      font-weight:800;
      color:#0f615a;
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
    }
    .metric-large .label::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--accent);
    }
    .metric-large p{
      margin:0;
      color:#5a6368;
      line-height:1.85;
      font-size:15px;
    }
    .metric-mini{
      grid-column:span 2;
      padding:20px 18px;
    }
    .metric-mini .num{
      display:block;
      font-size:30px;
      font-weight:800;
      line-height:1;
      margin-bottom:8px;
      color:#132025;
    }
    .metric-mini .label{
      display:block;
      margin-bottom:8px;
      font-size:13px;
      font-weight:800;
      color:#0f615a;
    }
    .metric-mini .bar{
      position:relative;
      height:8px;
      border-radius:999px;
      background:rgba(23,26,28,.08);
      overflow:hidden;
      margin-bottom:10px;
    }
    .metric-mini .bar i{
      position:absolute;
      inset:0 auto 0 0;
      width:var(--p,60%);
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), rgba(45,212,191,.35));
    }
    .metric-mini p{
      margin:0;
      color:#5a6368;
      font-size:13px;
      line-height:1.65;
    }

    .track-wrap{
      margin-top:4px;
      overflow-x:auto;
      scrollbar-width:none;
      -ms-overflow-style:none;
      padding-bottom:8px;
    }
    .track-wrap::-webkit-scrollbar{display:none}
    .track-grid{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(240px,1fr);
      gap:16px;
      min-width:100%;
      scroll-snap-type:x mandatory;
    }
    .track-card{
      scroll-snap-align:start;
      min-height:244px;
      padding:18px;
      background:
        linear-gradient(180deg, rgba(45,212,191,.10), transparent 40%),
        rgba(255,255,255,.05);
    }
    .track-card .poster{
      height:86px;
      border-radius:16px;
      background:
        linear-gradient(135deg, rgba(45,212,191,.24), rgba(249,115,22,.16)),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.12);
      margin-bottom:14px;
      position:relative;
      overflow:hidden;
    }
    .track-card .poster::after{
      content:"";
      position:absolute;
      inset:14px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.22);
      opacity:.65;
    }
    .track-card .badge{
      display:inline-flex;
      align-items:center;
      height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      background:rgba(45,212,191,.12);
      color:#ccfff7;
      margin-bottom:12px;
      border:1px solid rgba(45,212,191,.18);
    }
    .track-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.3;
      font-weight:800;
    }
    .track-card p{
      margin:0;
      color:#c7d0d4;
      font-size:14px;
      line-height:1.75;
      min-height:74px;
    }
    .track-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
      color:#aab5ba;
      font-size:13px;
    }
    .track-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#c8fff7;
      font-weight:800;
      white-space:nowrap;
    }
    .track-link::after{
      content:"→";
      transition:transform .18s ease;
    }
    .track-card:hover .track-link::after{transform:translateX(2px)}

    .updates-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(320px,.9fr);
      gap:18px;
      align-items:start;
    }
    .feed{
      padding:20px;
    }
    .feed-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
    }
    .feed-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:start;
      padding:14px 0;
      border-bottom:1px solid rgba(23,26,28,.08);
    }
    .band-dark .feed-item{border-bottom-color:rgba(255,255,255,.10)}
    .feed-item:last-child{border-bottom:0;padding-bottom:0}
    .feed-index{
      width:30px;
      height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(45,212,191,.14);
      color:#0f615a;
      font-weight:800;
      font-size:13px;
      flex:0 0 auto;
      border:1px solid rgba(45,212,191,.18);
    }
    .band-dark .feed-index{
      color:#dffef8;
      background:rgba(45,212,191,.12);
      border-color:rgba(45,212,191,.18);
    }
    .feed-main a{
      display:inline-block;
      font-size:17px;
      line-height:1.5;
      font-weight:800;
      color:inherit;
      margin-bottom:6px;
    }
    .feed-main a:hover{color:#0f615a}
    .band-dark .feed-main a:hover{color:#c8fff7}
    .feed-main p{
      margin:0;
      color:var(--ink-soft);
      font-size:14px;
      line-height:1.75;
    }
    .feed-side{
      padding:20px;
      display:grid;
      gap:16px;
    }
    .side-box{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.5);
      border:1px solid rgba(23,26,28,.08);
    }
    .band-dark .side-box{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
    }
    .side-box h3{
      margin:0 0 10px;
      font-size:18px;
      font-weight:800;
    }
    .side-box p{
      margin:0;
      color:inherit;
      opacity:.86;
      font-size:14px;
      line-height:1.78;
    }
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .tag-cloud .chip{height:34px}
    .note-row{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:14px;
      color:#0f615a;
      font-weight:800;
      font-size:13px;
    }
    .band-dark .note-row{color:#c8fff7}

    .routes{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);
      gap:18px;
      align-items:start;
    }
    .steps{
      display:grid;
      gap:12px;
    }
    .step{
      padding:18px 18px 18px 20px;
      border-radius:18px;
      background:rgba(255,255,255,.64);
      border:1px solid rgba(23,26,28,.10);
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      align-items:start;
    }
    .band-dark .step{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
    }
    .step-no{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(45,212,191,.15);
      color:#0f615a;
      font-weight:800;
      border:1px solid rgba(45,212,191,.20);
    }
    .band-dark .step-no{
      color:#dffef8;
      background:rgba(45,212,191,.12);
    }
    .step h3{
      margin:0 0 6px;
      font-size:18px;
      line-height:1.3;
      font-weight:800;
    }
    .step p{
      margin:0;
      color:var(--ink-soft);
      font-size:14px;
      line-height:1.75;
    }
    .route-panel{
      padding:20px;
    }
    .route-panel h3{
      margin:0 0 10px;
      font-size:18px;
      font-weight:800;
    }
    .route-panel .route-desc{
      margin:0 0 14px;
      font-size:14px;
      line-height:1.8;
      color:var(--ink-soft);
    }
    .preset-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
    }
    .preset{
      border-radius:16px;
      padding:14px;
      background:rgba(255,255,255,.58);
      border:1px solid rgba(23,26,28,.08);
      min-height:84px;
    }
    .band-dark .preset{
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
    }
    .preset strong{
      display:block;
      margin-bottom:6px;
      font-size:14px;
      line-height:1.35;
      font-weight:800;
    }
    .preset span{
      display:block;
      font-size:13px;
      color:var(--ink-soft);
      line-height:1.6;
    }
    .route-bar{
      height:10px;
      border-radius:999px;
      background:rgba(23,26,28,.08);
      overflow:hidden;
      margin-top:16px;
    }
    .route-bar i{
      display:block;
      width:72%;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), rgba(45,212,191,.32));
    }

    .faq-wrap{
      display:grid;
      gap:12px;
      max-width:920px;
      margin:0 auto;
    }
    details.faq{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      overflow:hidden;
    }
    .band:not(.band-dark) details.faq{
      background:rgba(255,255,255,.72);
      border-color:rgba(23,26,28,.10);
    }
    details.faq summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:800;
      font-size:16px;
      line-height:1.45;
    }
    details.faq summary::-webkit-details-marker{display:none}
    details.faq summary::after{
      content:"＋";
      font-size:18px;
      color:inherit;
      opacity:.72;
      transition:transform .18s ease, opacity .18s ease;
      flex:0 0 auto;
    }
    details[open].faq summary::after{
      content:"－";
      opacity:1;
    }
    .faq-content{
      padding:0 20px 18px;
      color:inherit;
      opacity:.86;
      font-size:14px;
      line-height:1.85;
      max-width:860px;
    }

    .feedback-grid{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);
      gap:18px;
      align-items:start;
    }
    .form-card{
      padding:22px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field.full{grid-column:1 / -1}
    .field label{
      font-size:13px;
      font-weight:800;
      color:inherit;
      opacity:.86;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      border-radius:14px;
      border:1px solid rgba(23,26,28,.12);
      background:#fffaf0;
      color:var(--ink);
      padding:13px 14px;
      transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .field input::placeholder,
    .field textarea::placeholder{color:#8b949a}
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(45,212,191,.50);
      box-shadow:0 0 0 3px rgba(45,212,191,.14);
      background:#fff;
    }
    .field textarea{
      min-height:140px;
      resize:vertical;
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:14px;
    }
    .submit-btn{
      cursor:pointer;
      border:0;
    }
    .small-note{
      font-size:13px;
      color:var(--ink-soft);
      line-height:1.7;
    }
    .status-tip{
      min-height:20px;
      margin-top:10px;
      color:#0f615a;
      font-weight:800;
      font-size:13px;
    }
    .info-card{
      padding:22px;
    }
    .info-card h3{
      margin:0 0 10px;
      font-size:18px;
      font-weight:800;
    }
    .info-card p{
      margin:0 0 12px;
      color:var(--ink-soft);
      font-size:14px;
      line-height:1.8;
    }
    .checklist{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .checklist li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      font-size:14px;
      line-height:1.7;
      color:inherit;
    }
    .checklist li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:8px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(45,212,191,.12);
      flex:0 0 auto;
    }

    .site-footer{
      padding:28px 0 34px;
      background:#0c0e0f;
      color:#eaf0f2;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) repeat(2,minmax(0,.8fr));
      gap:18px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:22px;
      line-height:1.2;
      font-weight:800;
      margin-bottom:6px;
    }
    .footer-brand span{
      display:block;
      color:#a9b4ba;
      font-size:13px;
      line-height:1.8;
      max-width:380px;
    }
    .footer-col h4{
      margin:0 0 12px;
      font-size:15px;
      font-weight:800;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#dce3e6;
      font-size:14px;
      line-height:1.6;
      width:fit-content;
    }
    .footer-links a:hover{color:#c8fff7}
    .footer-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-tags .chip{
      background:rgba(255,255,255,.04);
      color:#e7edf0;
      border-color:rgba(255,255,255,.10);
    }
    .footer-bottom{
      margin-top:24px;
      padding-top:16px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:space-between;
      align-items:center;
      color:#9aa4ab;
      font-size:13px;
      line-height:1.7;
    }

    .band-dark .card-text,
    .band-dark .track-card p,
    .band-dark .entry-side p,
    .band-dark .step p,
    .band-dark .feed-main p,
    .band-dark .preset span,
    .band-dark .footer-brand span{
      color:#cdd5d9;
      opacity:.86;
    }

    .section-gap{padding-top:0}
    .band + .band{border-top:1px solid rgba(23,26,28,.06)}

    @media (max-width: 1120px){
      .hero-grid,
      .updates-grid,
      .routes,
      .feedback-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .entry-main{grid-column:span 12}
      .entry-side{grid-column:span 4}
      .metric-large{grid-column:span 12}
      .metric-mini{grid-column:span 4}
      .section-head{
        grid-template-columns:1fr;
        align-items:start;
      }
      .chip-row{justify-content:flex-start}
      .trend-strip{margin-left:0}
    }

    @media (max-width: 860px){
      .topbar{
        flex-direction:column;
        align-items:stretch;
      }
      .brand{min-width:0}
      .searchbar{max-width:none;width:100%;margin-left:0}
      .navrow{
        flex-direction:column;
        align-items:stretch;
      }
      .site-nav{
        overflow-x:auto;
        flex-wrap:nowrap;
        padding-bottom:2px;
        scrollbar-width:none;
      }
      .site-nav::-webkit-scrollbar{display:none}
      .hero{
        padding-top:42px;
      }
      .hero h1{
        font-size:44px;
        max-width:none;
      }
      .hero-points{
        grid-template-columns:1fr;
      }
      .portal-grid{
        grid-template-columns:repeat(6,minmax(0,1fr));
      }
      .entry-main{grid-column:span 6}
      .entry-side{grid-column:span 3}
      .stat-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
      .metric-large{grid-column:span 6}
      .metric-mini{grid-column:span 3}
      .preset-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }

    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 24px))}
      :root{--section:68px}
      .hero h1{font-size:36px}
      .section-title{font-size:26px}
      .section-desc{font-size:15px}
      .hero p{font-size:15px}
      .hero-actions{gap:10px}
      .btn{width:100%}
      .btn-secondary,.btn-primary{justify-content:center}
      .portal-grid,
      .stat-grid{
        grid-template-columns:1fr;
      }
      .entry-main,
      .entry-side,
      .metric-large,
      .metric-mini{
        grid-column:span 1;
      }
      .track-grid{
        grid-auto-columns:minmax(220px,82vw);
      }
      .feed-item{
        grid-template-columns:auto 1fr;
      }
      .feed-item time{
        grid-column:2 / -1;
        margin-top:6px;
      }
      .form-grid{
        grid-template-columns:1fr;
      }
      .field.full{grid-column:1}
      details.faq summary{
        padding:16px 16px;
        font-size:15px;
      }
      .faq-content{
        padding:0 16px 16px;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
      .searchbar{
        flex-direction:column;
        align-items:stretch;
      }
      .searchbar button{
        width:100%;
      }
    }

    @media (max-width: 480px){
      .hero h1{font-size:32px}
      .signal-board{padding:16px}
      .signal-item{
        grid-template-columns:1fr;
      }
      .signal-item span{
        white-space:normal;
      }
      .brand strong{font-size:20px}
      .section-title{font-size:24px}
    }

/* roulang page: category1 */
:root{
      --bg: #0f1115;
      --bg-2: #151820;
      --paper: #f5f1e8;
      --paper-2: #fffaf1;
      --card: rgba(255,255,255,.72);
      --card-strong: rgba(255,255,255,.9);
      --text: #121417;
      --text-soft: #5f6671;
      --text-muted: #848b95;
      --line: rgba(18,20,23,.10);
      --line-strong: rgba(18,20,23,.16);
      --accent: #2cd4c8;
      --accent-2: #f07a57;
      --accent-3: #d4f160;
      --shadow: 0 18px 40px rgba(8,10,14,.10);
      --shadow-soft: 0 10px 24px rgba(8,10,14,.08);
      --radius: 18px;
      --radius-sm: 14px;
      --radius-lg: 26px;
      --container: 1200px;
      --gap: 24px;
      --gap-sm: 14px;
      --transition: .24s ease;
      --ease: cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(44,212,200,.13), transparent 30%),
        radial-gradient(circle at top right, rgba(240,122,87,.12), transparent 25%),
        linear-gradient(180deg, var(--bg) 0 360px, #f3efe6 360px 100%);
      line-height:1.6;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button,input,select,textarea{outline:none}
    ::selection{background:rgba(44,212,200,.24);color:#0c1012}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(15,17,21,.86);
      backdrop-filter:saturate(160%) blur(16px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 10px 28px rgba(0,0,0,.10);
    }
    .topbar,
    .navrow{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .topbar{
      padding:14px 0 10px;
    }
    .brand{
      display:flex;
      flex-direction:column;
      gap:4px;
      min-width:0;
    }
    .brand strong{
      color:#fff;
      font-size:1.05rem;
      letter-spacing:.02em;
      line-height:1.15;
    }
    .brand span{
      color:rgba(255,255,255,.66);
      font-size:.86rem;
    }
    .searchbar{
      flex:1;
      max-width:470px;
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .searchbar input{
      flex:1;
      height:46px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#fff;
      padding:0 16px;
      transition:border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .searchbar input::placeholder{color:rgba(255,255,255,.45)}
    .searchbar input:focus{
      border-color:rgba(44,212,200,.7);
      background:rgba(255,255,255,.08);
      box-shadow:0 0 0 4px rgba(44,212,200,.15);
    }
    .searchbar button,
    .btn{
      border:0;
      border-radius:999px;
      cursor:pointer;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
      will-change:transform;
    }
    .searchbar button{
      height:46px;
      padding:0 18px;
      background:linear-gradient(135deg, var(--accent), #55e7d8);
      color:#062024;
      font-weight:700;
      box-shadow:0 10px 20px rgba(44,212,200,.16);
    }
    .searchbar button:hover,
    .btn-primary:hover,
    .btn-secondary:hover,
    .chip:hover,
    .trend-chip:hover,
    .footer-links a:hover{
      transform:translateY(-1px);
    }
    .navrow{
      padding:0 0 14px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .nav-link{
      color:rgba(255,255,255,.72);
      padding:10px 16px;
      border-radius:999px;
      border:1px solid transparent;
      background:transparent;
      font-weight:600;
      transition:background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }
    .nav-link:hover{
      color:#fff;
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.05);
    }
    .nav-link.active{
      color:#091316;
      background:linear-gradient(135deg, #d7fff9, #b6f0e9);
      box-shadow:0 8px 20px rgba(44,212,200,.14);
    }
    .trend-strip{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
      color:#fff;
    }
    .trend-label{
      font-size:.88rem;
      color:rgba(255,255,255,.62);
      padding-right:2px;
    }
    .trend-chip,
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.72);
      color:var(--text);
      padding:9px 14px;
      font-size:.94rem;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition);
    }
    .trend-chip{
      background:rgba(255,255,255,.06);
      color:#fff;
      border-color:rgba(255,255,255,.10);
      backdrop-filter:blur(10px);
    }
    .chip.dark{
      background:rgba(255,255,255,.06);
      color:#fff;
      border-color:rgba(255,255,255,.10);
    }
    .trend-chip:hover,
    .chip:hover{
      border-color:rgba(44,212,200,.35);
      box-shadow:0 10px 24px rgba(8,10,14,.10);
    }
    .trend-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(44,212,200,.12);
      display:inline-block;
      flex:none;
    }

    main{position:relative}
    .panel{
      padding:36px 0 18px;
    }
    .page-hero{
      padding:34px 0 22px;
      position:relative;
    }
    .hero-shell{
      background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:0 22px 50px rgba(0,0,0,.18);
      position:relative;
      overflow:hidden;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:-2px -2px auto auto;
      width:420px;
      height:420px;
      background:
        radial-gradient(circle at 30% 30%, rgba(44,212,200,.24), transparent 40%),
        radial-gradient(circle at 70% 65%, rgba(240,122,87,.18), transparent 42%);
      filter:blur(10px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:24px;
      align-items:stretch;
      position:relative;
      z-index:1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:rgba(255,255,255,.75);
      font-size:.92rem;
      letter-spacing:.04em;
      text-transform:uppercase;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:32px;
      height:1px;
      background:linear-gradient(90deg, var(--accent), transparent);
    }
    .hero h1{
      margin:0;
      color:#fff;
      font-size:clamp(2.2rem, 4.5vw, 4.4rem);
      line-height:1.02;
      letter-spacing:-.05em;
      max-width:10ch;
    }
    .hero p{
      margin:18px 0 0;
      color:rgba(255,255,255,.76);
      max-width:62ch;
      font-size:1.04rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 18px;
      font-weight:700;
      letter-spacing:.01em;
      border:1px solid transparent;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--accent), #66f0e2);
      color:#092124;
      box-shadow:0 14px 28px rgba(44,212,200,.18);
    }
    .btn-secondary{
      background:rgba(255,255,255,.06);
      color:#fff;
      border-color:rgba(255,255,255,.14);
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.82);
      border:1px solid rgba(255,255,255,.10);
      font-size:.92rem;
    }
    .hero-aside{
      display:grid;
      gap:14px;
    }
    .signal-card{
      background:rgba(9,14,16,.60);
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      padding:18px;
      color:#fff;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04), 0 20px 40px rgba(0,0,0,.18);
      position:relative;
      overflow:hidden;
    }
    .signal-card::after{
      content:"";
      position:absolute;
      inset:auto -18px 0;
      height:54px;
      background:
        linear-gradient(90deg, transparent 0, rgba(44,212,200,.15) 15%, rgba(44,212,200,.18) 55%, transparent 100%);
      opacity:.65;
      transform:translateY(8px);
    }
    .signal-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      font-weight:700;
      margin-bottom:14px;
    }
    .signal-title small{
      color:rgba(255,255,255,.55);
      font-weight:500;
    }
    .mini-wave{
      height:58px;
      border-radius:18px;
      background:
        linear-gradient(90deg, rgba(255,255,255,.05), rgba(255,255,255,.01)),
        repeating-linear-gradient(
          90deg,
          rgba(44,212,200,.95) 0 2px,
          transparent 2px 10px
        );
      opacity:.9;
      mask-image:linear-gradient(180deg, transparent 0, #000 20%, #000 80%, transparent 100%);
    }
    .signal-list{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .signal-list li{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      font-size:.95rem;
      color:rgba(255,255,255,.84);
      padding-bottom:10px;
      border-bottom:1px dashed rgba(255,255,255,.10);
    }
    .signal-list li:last-child{border-bottom:0;padding-bottom:0}
    .signal-list span{
      color:rgba(255,255,255,.58);
      white-space:nowrap;
    }
    .signal-meter{
      margin-top:14px;
      background:rgba(255,255,255,.08);
      border-radius:999px;
      height:10px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.10);
    }
    .signal-meter i{
      display:block;
      width:72%;
      height:100%;
      background:linear-gradient(90deg, var(--accent), #d9fbf7);
      border-radius:inherit;
      box-shadow:0 0 18px rgba(44,212,200,.28);
    }

    .section{
      padding:24px 0 10px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:18px;
      flex-wrap:wrap;
    }
    .section-kicker{
      color:var(--accent-2);
      font-weight:700;
      font-size:.92rem;
      letter-spacing:.06em;
      text-transform:uppercase;
      margin-bottom:8px;
    }
    .section-title{
      margin:0;
      font-size:clamp(1.45rem, 2.5vw, 2.3rem);
      line-height:1.12;
      letter-spacing:-.03em;
      color:var(--text);
    }
    .section-desc{
      margin:8px 0 0;
      max-width:72ch;
      color:var(--text-soft);
    }
    .section-tools{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      align-items:center;
      justify-content:flex-end;
    }
    .sort-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.78);
      color:var(--text-soft);
      font-size:.94rem;
      cursor:default;
    }
    .sort-pill strong{color:var(--text)}
    .grid-feature{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card,
    .info-card,
    .panel-card,
    .data-card,
    .path-card,
    .faq-card,
    .feedback-card,
    .sidebar-card,
    .list-card{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .feature-card{
      overflow:hidden;
      position:relative;
      min-height:220px;
      display:grid;
      grid-template-columns:1.03fr .97fr;
    }
    .feature-copy{
      padding:22px;
    }
    .feature-copy h3,
    .panel-card h3,
    .list-card h3,
    .path-card h3,
    .sidebar-card h3,
    .feedback-card h3{
      margin:0;
      font-size:1.15rem;
      line-height:1.24;
      letter-spacing:-.02em;
    }
    .feature-copy p,
    .panel-card p,
    .list-card p,
    .path-card p,
    .sidebar-card p{
      margin:10px 0 0;
      color:var(--text-soft);
    }
    .feature-copy .row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(44,212,200,.12);
      color:#0b5e58;
      border:1px solid rgba(44,212,200,.18);
      font-size:.88rem;
      font-weight:600;
    }
    .tag.orange{
      background:rgba(240,122,87,.12);
      color:#9b3d22;
      border-color:rgba(240,122,87,.18);
    }
    .feature-art{
      position:relative;
      padding:22px;
      background:linear-gradient(160deg, #10141a, #1b2028);
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
    }
    .feature-art::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:
        radial-gradient(circle at 25% 20%, rgba(44,212,200,.25), transparent 24%),
        radial-gradient(circle at 75% 30%, rgba(240,122,87,.18), transparent 22%),
        radial-gradient(circle at 50% 80%, rgba(212,241,96,.12), transparent 28%);
      pointer-events:none;
    }
    .feature-art > *{position:relative;z-index:1}
    .cover-bars{
      display:grid;
      gap:10px;
    }
    .bar-row{
      display:grid;
      grid-template-columns:72px 1fr 54px;
      gap:12px;
      align-items:center;
    }
    .bar-label{
      color:rgba(255,255,255,.66);
      font-size:.9rem;
    }
    .bar-track{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .bar-track i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--accent), #dffdf9);
    }
    .bar-row:nth-child(1) .bar-track i{width:88%}
    .bar-row:nth-child(2) .bar-track i{width:74%}
    .bar-row:nth-child(3) .bar-track i{width:61%}
    .bar-row:nth-child(4) .bar-track i{width:92%}
    .bar-value{
      text-align:right;
      font-size:.9rem;
      color:rgba(255,255,255,.82);
    }
    .feature-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:18px;
      color:rgba(255,255,255,.78);
      font-size:.94rem;
    }
    .feature-foot strong{color:#fff}

    .stacked-cards{
      display:grid;
      gap:18px;
    }
    .panel-card{
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .panel-card::after{
      content:"";
      position:absolute;
      right:-20px;
      top:-20px;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(44,212,200,.16), transparent 68%);
      pointer-events:none;
    }
    .panel-list{
      display:grid;
      gap:12px;
      margin-top:16px;
      padding:0;
      list-style:none;
    }
    .panel-list li{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      padding:10px 0;
      border-top:1px solid var(--line);
      color:var(--text-soft);
      font-size:.95rem;
    }
    .panel-list li:first-child{border-top:0;padding-top:0}
    .panel-list strong{color:var(--text)}
    .update-mini{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .update-mini .mini-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 12px;
      border-radius:14px;
      background:rgba(255,255,255,.52);
      border:1px solid var(--line);
    }
    .mini-item span{color:var(--text-soft);font-size:.92rem}
    .mini-item strong{font-size:.94rem}

    .data-grid{
      display:grid;
      grid-template-columns:1.4fr .86fr .86fr .86fr;
      gap:18px;
    }
    .data-card{
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height:150px;
    }
    .data-card.big{
      background:linear-gradient(135deg, #10141a, #1b2028);
      color:#fff;
      border-color:rgba(255,255,255,.10);
    }
    .data-card .num{
      display:block;
      font-size:clamp(2rem, 5vw, 3.6rem);
      line-height:1;
      font-weight:800;
      letter-spacing:-.05em;
      margin-top:10px;
    }
    .data-card .desc{
      color:inherit;
      opacity:.82;
      margin-top:12px;
      max-width:26ch;
    }
    .data-card.big .desc{opacity:.76}
    .data-card .mini-line{
      position:absolute;
      left:22px;
      right:22px;
      bottom:18px;
      height:8px;
      background:rgba(18,20,23,.08);
      border-radius:999px;
      overflow:hidden;
    }
    .data-card.big .mini-line{background:rgba(255,255,255,.12)}
    .data-card .mini-line i{
      display:block;
      height:100%;
      background:linear-gradient(90deg, var(--accent), #e2fbf9);
      border-radius:inherit;
    }
    .data-card:nth-child(2) .mini-line i{width:76%}
    .data-card:nth-child(3) .mini-line i{width:63%}
    .data-card:nth-child(4) .mini-line i{width:88%}
    .data-card.big .mini-line i{width:84%}

    .content-split{
      display:grid;
      grid-template-columns:1.55fr .78fr;
      gap:18px;
      align-items:start;
    }
    .list-stack{
      display:grid;
      gap:16px;
    }
    .list-card{
      padding:18px;
      display:grid;
      grid-template-columns:136px 1fr;
      gap:16px;
      align-items:stretch;
      overflow:hidden;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .list-card:hover,
    .feature-card:hover,
    .panel-card:hover,
    .data-card:hover,
    .path-card:hover,
    .faq-card:hover,
    .feedback-card:hover,
    .sidebar-card:hover{
      transform:translateY(-2px);
      border-color:rgba(44,212,200,.28);
      box-shadow:0 18px 36px rgba(8,10,14,.12);
    }
    .thumb{
      border-radius:16px;
      background:
        linear-gradient(145deg, rgba(44,212,200,.96), rgba(44,212,200,.34)),
        linear-gradient(135deg, #161b22, #202834);
      min-height:122px;
      position:relative;
      overflow:hidden;
    }
    .thumb::after{
      content:"";
      position:absolute;
      inset:auto -18px 12px;
      height:22px;
      background:repeating-linear-gradient(
        90deg,
        rgba(255,255,255,.8) 0 2px,
        transparent 2px 12px
      );
      opacity:.28;
      border-radius:999px;
    }
    .list-content{
      display:flex;
      flex-direction:column;
      min-width:0;
    }
    .list-top{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:10px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(44,212,200,.12);
      color:#0b5e58;
      border:1px solid rgba(44,212,200,.18);
      font-size:.84rem;
      font-weight:700;
    }
    .badge.gray{
      background:rgba(18,20,23,.05);
      color:var(--text-soft);
      border-color:var(--line);
      font-weight:600;
    }
    .list-card h3{
      margin-top:0;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .list-card p{
      -webkit-box-orient:vertical;
      display:-webkit-box;
      -webkit-line-clamp:3;
      overflow:hidden;
      margin-top:8px;
    }
    .list-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:auto;
      padding-top:14px;
      color:var(--text-muted);
      font-size:.9rem;
    }
    .list-meta a{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--text);
      font-weight:700;
    }

    .sidebar-card{
      padding:18px;
      position:sticky;
      top:128px;
      display:grid;
      gap:18px;
    }
    .sidebar-group{
      padding:16px;
      border-radius:16px;
      background:rgba(255,255,255,.55);
      border:1px solid var(--line);
    }
    .sidebar-group h4{
      margin:0 0 12px;
      font-size:1我在把这页的收尾补成可直接运行的完整成品，接上分类页主体、FAQ 交互和页脚。会尽量沿用你给的头尾结构，只把中间内容补齐。    .sidebar-group h4{
      margin:0 0 12px;
      font-size:1rem;
      line-height:1.2;
      letter-spacing:-.01em;
    }
    .side-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .quick-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .quick-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:11px 12px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.72);
      color:var(--text);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .quick-list a:hover{
      border-color:rgba(44,212,200,.32);
      background:#fff;
      box-shadow:0 10px 22px rgba(8,10,14,.08);
      transform:translateY(-1px);
    }
    .quick-list span{
      color:var(--text-muted);
      font-size:.88rem;
      white-space:nowrap;
    }

    .path-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:18px;
    }
    .path-card{
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .path-num{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;
      height:38px;
      border-radius:12px;
      background:rgba(44,212,200,.12);
      color:#0b5e58;
      font-weight:800;
      margin-bottom:14px;
    }
    .path-card ul{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .path-card li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--text-soft);
      font-size:.95rem;
    }
    .path-card li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      margin-top:.48em;
      flex:none;
      box-shadow:0 0 0 4px rgba(44,212,200,.12);
    }

    .faq-wrap{
      display:grid;
      gap:12px;
    }
    .faq-card{
      overflow:hidden;
      background:var(--card-strong);
    }
    .faq-btn{
      width:100%;
      border:0;
      background:transparent;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      cursor:pointer;
      font-weight:700;
      color:var(--text);
    }
    .faq-btn span{
      display:block;
      color:var(--text);
    }
    .faq-arrow{
      width:12px;
      height:12px;
      border-right:2px solid var(--text-muted);
      border-bottom:2px solid var(--text-muted);
      transform:rotate(45deg);
      transition:transform var(--transition), border-color var(--transition);
      margin-top:-4px;
      flex:none;
    }
    .faq-card.open .faq-arrow{
      transform:rotate(225deg);
      border-color:var(--accent);
      margin-top:4px;
    }
    .faq-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .32s ease;
      border-top:1px solid transparent;
    }
    .faq-card.open .faq-panel{
      border-top-color:var(--line);
    }
    .faq-panel p{
      margin:0;
      padding:0 20px 18px;
      color:var(--text-soft);
    }

    .feedback-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:18px;
      align-items:stretch;
    }
    .feedback-card{
      padding:22px;
    }
    .feedback-form{
      display:grid;
      gap:12px;
      margin-top:16px;
    }
    .field-row{
      display:grid;
      grid-template-columns:1fr 180px;
      gap:12px;
    }
    .feedback-form input,
    .feedback-form select,
    .feedback-form textarea{
      width:100%;
      border:1px solid var(--line);
      background:rgba(255,255,255,.86);
      color:var(--text);
      border-radius:16px;
      padding:13px 14px;
      transition:border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .feedback-form textarea{
      min-height:126px;
      resize:vertical;
    }
    .feedback-form input:focus,
    .feedback-form select:focus,
    .feedback-form textarea:focus{
      border-color:rgba(44,212,200,.5);
      box-shadow:0 0 0 4px rgba(44,212,200,.12);
      background:#fff;
    }
    .feedback-form .btn{
      justify-self:start;
      padding-inline:22px;
    }
    .note-box{
      border-radius:18px;
      padding:18px;
      background:linear-gradient(160deg, #10141a, #1b2028);
      color:#fff;
      display:grid;
      gap:12px;
      align-content:start;
      box-shadow:var(--shadow);
    }
    .note-box strong{
      font-size:1.1rem;
      letter-spacing:-.02em;
    }
    .note-box p{
      margin:0;
      color:rgba(255,255,255,.75);
    }
    .note-box ul{
      margin:0;
      padding:0 0 0 18px;
      color:rgba(255,255,255,.76);
      display:grid;
      gap:8px;
    }

    .site-footer{
      margin-top:34px;
      padding:28px 0 22px;
      background:#0d1014;
      color:#fff;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:24px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:1.06rem;
      margin-bottom:10px;
    }
    .footer-brand span{
      color:rgba(255,255,255,.66);
      display:block;
      max-width:38ch;
    }
    .footer-col h4{
      margin:0 0 14px;
      font-size:1rem;
    }
    .footer-links,
    .footer-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.74);
      padding:9px 12px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      background:rgba(255,255,255,.04);
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
    }
    .footer-bottom{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:.92rem;
    }

    @media (max-width: 1200px){
      .hero-grid,
      .grid-feature,
      .content-split,
      .feedback-grid,
      .footer-grid,
      .feedback-grid{
        grid-template-columns:1fr;
      }
      .sidebar-card{position:relative;top:auto}
      .data-grid{
        grid-template-columns:repeat(2, minmax(0, 1fr));
      }
      .path-grid{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 900px){
      .topbar,
      .navrow,
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .searchbar{
        max-width:none;
        width:100%;
        margin-left:0;
      }
      .trend-strip{
        justify-content:flex-start;
      }
      .list-card{
        grid-template-columns:1fr;
      }
      .thumb{
        min-height:164px;
      }
      .field-row{
        grid-template-columns:1fr;
      }
      .hero-shell{
        padding:22px;
      }
      .hero h1{
        max-width:12ch;
      }
      .feature-card{
        grid-template-columns:1fr;
      }
    }
    @media (max-width: 640px){
      .container{
        width:min(var(--container), calc(100% - 28px));
      }
      .panel,
      .section{
        padding-top:18px;
      }
      .hero-shell{
        padding:18px;
        border-radius:22px;
      }
      .hero p,
      .section-desc{
        font-size:.97rem;
      }
      .hero-actions,
      .hero-meta,
      .section-tools{
        width:100%;
      }
      .btn,
      .searchbar input,
      .searchbar button{
        height:44px;
      }
      .data-grid{
        grid-template-columns:1fr;
      }
      .data-card{
        min-height:auto;
      }
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
      }
      .nav-link,
      .trend-chip,
      .chip,
      .footer-links a{
        font-size:.9rem;
      }
      .faq-btn{
        padding:16px;
      }
      .faq-panel p{
        padding:0 16px 16px;
      }
    }