/* roulang page: index */
:root{
      --bg-0:#080916;
      --bg-1:#0e1230;
      --bg-2:#15143a;
      --panel:rgba(18,24,56,.72);
      --panel-strong:rgba(28,33,73,.86);
      --panel-soft:rgba(255,255,255,.055);
      --line:rgba(148,163,255,.18);
      --line-strong:rgba(75,223,255,.42);
      --text:#f5f8ff;
      --muted:#aeb8d6;
      --muted-2:#7782a7;
      --cyan:#4bdfff;
      --cyan-2:#12b8ff;
      --violet:#9b5cff;
      --pink:#ff4fa3;
      --amber:#ffc65a;
      --green:#5dffb1;
      --danger:#ff6d8a;
      --shadow:0 24px 90px rgba(0,0,0,.42);
      --shadow-glow:0 0 34px rgba(75,223,255,.18),0 0 80px rgba(155,92,255,.14);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --radius-xl:34px;
      --container:1240px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.68;
      background:
        radial-gradient(circle at 18% 8%,rgba(75,223,255,.18),transparent 34%),
        radial-gradient(circle at 84% 18%,rgba(155,92,255,.22),transparent 36%),
        radial-gradient(circle at 60% 82%,rgba(255,79,163,.12),transparent 32%),
        linear-gradient(135deg,var(--bg-0),var(--bg-1) 48%,#090a19);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.22));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.16;
      background:
        repeating-radial-gradient(circle at 20% 30%,rgba(255,255,255,.7) 0 1px,transparent 1px 7px),
        linear-gradient(115deg,transparent 0 40%,rgba(75,223,255,.16) 50%,transparent 62%);
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(75,223,255,.28);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:linear-gradient(180deg,rgba(8,9,22,.92),rgba(8,9,22,.72));
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(148,163,255,.14);
      box-shadow:0 12px 40px rgba(0,0,0,.24);
    }
    .topbar{
      display:grid;
      grid-template-columns:auto minmax(260px,1fr) auto;
      gap:20px;
      align-items:center;
      min-height:74px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:.01em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:linear-gradient(135deg,var(--cyan),var(--violet) 56%,var(--pink));
      box-shadow:0 0 26px rgba(75,223,255,.35);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.72);
      box-shadow:inset 0 0 18px rgba(255,255,255,.24);
    }
    .brand-text{
      max-width:320px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      font-size:18px;
    }
    .search{
      position:relative;
      max-width:520px;
      justify-self:end;
      width:100%;
    }
    .search input{
      width:100%;
      height:44px;
      border-radius:999px;
      border:1px solid var(--line);
      outline:none;
      color:var(--text);
      padding:0 46px 0 18px;
      background:rgba(255,255,255,.07);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      transition:.25s var(--ease);
    }
    .search input::placeholder{color:rgba(174,184,214,.72)}
    .search input:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 4px rgba(75,223,255,.12),inset 0 1px 0 rgba(255,255,255,.12);
    }
    .search span{
      position:absolute;
      right:16px;
      top:50%;
      transform:translateY(-50%);
      color:var(--cyan);
    }
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:14px;
      font-weight:800;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:#06101c;
      background:linear-gradient(135deg,var(--cyan),#8ff6ff 45%,var(--violet));
      box-shadow:0 0 24px rgba(75,223,255,.34),0 16px 34px rgba(18,184,255,.18);
    }
    .btn-secondary{
      color:var(--text);
      border:1px solid rgba(75,223,255,.32);
      background:rgba(255,255,255,.065);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.09);
    }
    .btn:hover,.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(75,223,255,.36),0 18px 42px rgba(0,0,0,.28)}
    .btn:active,.nav-cta:active{transform:scale(.98)}
    .btn:focus-visible,.nav-cta:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(75,223,255,.42);
      outline-offset:3px;
    }
    .tabbar{
      border-top:1px solid rgba(148,163,255,.09);
      overflow-x:auto;
      scrollbar-width:none;
    }
    .tabbar::-webkit-scrollbar{display:none}
    .tabs{
      display:flex;
      gap:10px;
      align-items:center;
      min-height:54px;
      padding:8px 0;
    }
    .tab{
      position:relative;
      flex:0 0 auto;
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.04);
      border:1px solid transparent;
      font-size:14px;
      transition:.25s var(--ease);
    }
    .tab:hover{
      color:#fff;
      border-color:rgba(75,223,255,.24);
      background:rgba(75,223,255,.08);
    }
    .tab.active{
      color:#fff;
      border-color:rgba(75,223,255,.55);
      background:linear-gradient(135deg,rgba(75,223,255,.16),rgba(155,92,255,.12));
      box-shadow:0 0 24px rgba(75,223,255,.18);
    }
    .tab.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:-9px;
      height:2px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
    }
    main{position:relative}
    .section{padding:76px 0}
    .hero{
      padding:78px 0 44px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(420px,.96fr);
      gap:44px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(75,223,255,.09);
      border:1px solid rgba(75,223,255,.22);
      color:#cdf8ff;
      font-size:14px;
      font-weight:700;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .pulse-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 6px rgba(93,255,177,.12),0 0 16px rgba(93,255,177,.7);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:22px 0 18px;
      font-size:clamp(38px,5.6vw,72px);
      line-height:1.05;
      letter-spacing:-.05em;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 5%,#c9f8ff 34%,#b794ff 70%,#ff8bc2);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-sub{
      max-width:720px;
      color:var(--muted);
      font-size:18px;
      line-height:1.9;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .badges{display:flex;gap:12px;flex-wrap:wrap}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(148,163,255,.18);
      background:rgba(255,255,255,.055);
      color:#dbe5ff;
      font-size:13px;
      white-space:nowrap;
    }
    .badge strong{color:var(--cyan)}
    .hero-board,.card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      backdrop-filter:blur(18px);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.09);
      position:relative;
      overflow:hidden;
    }
    .hero-board:before,.card:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:linear-gradient(135deg,rgba(75,223,255,.14),transparent 30%,rgba(155,92,255,.12) 72%,transparent);
      opacity:.8;
    }
    .hero-board{
      padding:24px;
      min-height:480px;
    }
    .board-top{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:flex-start;
      position:relative;
      z-index:1;
      margin-bottom:22px;
    }
    .board-title{font-weight:900;font-size:18px}
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--green);
      background:rgba(93,255,177,.09);
      border:1px solid rgba(93,255,177,.22);
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
    }
    .board-metrics{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .mini{
      padding:16px;
      border-radius:18px;
      background:rgba(6,10,28,.45);
      border:1px solid rgba(148,163,255,.14);
    }
    .mini span{color:var(--muted-2);font-size:13px}
    .mini b{display:block;font-size:28px;margin:4px 0;color:#fff}
    .spark{
      height:58px;
      margin-top:10px;
      border-radius:14px;
      background:
        linear-gradient(135deg,transparent 45%,rgba(75,223,255,.32) 46% 50%,transparent 51%),
        linear-gradient(24deg,transparent 28%,rgba(155,92,255,.26) 29% 33%,transparent 34%),
        rgba(255,255,255,.04);
      border:1px solid rgba(75,223,255,.12);
      position:relative;
      overflow:hidden;
    }
    .spark:after{
      content:"";
      position:absolute;
      left:-40%;
      top:0;
      width:40%;
      height:100%;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
      animation:sweep 3.4s infinite;
    }
    @keyframes sweep{to{left:120%}}
    .ring-wrap{
      display:flex;
      align-items:center;
      gap:18px;
      margin-top:16px;
      padding:18px;
      position:relative;
      z-index:1;
      border-radius:22px;
      background:rgba(6,10,28,.42);
      border:1px solid rgba(148,163,255,.14);
    }
    .ring{
      width:112px;height:112px;border-radius:50%;
      background:conic-gradient(var(--cyan) 0 76%,rgba(255,255,255,.09) 76% 100%);
      display:grid;
      place-items:center;
      box-shadow:0 0 34px rgba(75,223,255,.18);
      flex:0 0 auto;
    }
    .ring:before{
      content:"76%";
      width:78px;height:78px;border-radius:50%;
      display:grid;place-items:center;
      background:#111630;
      color:#fff;
      font-weight:900;
      border:1px solid rgba(255,255,255,.12);
    }
    .ring-text p{color:var(--muted);margin:6px 0 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{color:var(--cyan);font-weight:900;font-size:14px;margin-bottom:8px}
    h2{font-size:clamp(28px,3.4vw,44px);line-height:1.18;letter-spacing:-.035em;margin-bottom:10px}
    .section-desc{color:var(--muted);max-width:680px;margin:0}
    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:16px;
    }
    .metric-card{
      padding:20px;
      min-height:178px;
      transition:.25s var(--ease);
    }
    .card>*{position:relative;z-index:1}
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(75,223,255,.4);
      box-shadow:var(--shadow),var(--shadow-glow);
    }
    .metric-card .num{font-size:34px;font-weight:950;letter-spacing:-.03em;margin:10px 0 2px}
    .trend{color:var(--green);font-size:13px;font-weight:800}
    .muted{color:var(--muted)}
    .matrix{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      grid-auto-rows:minmax(190px,auto);
      gap:18px;
    }
    .channel-card{
      padding:24px;
      transition:.25s var(--ease);
    }
    .channel-card.large{grid-row:span 2}
    .icon{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(75,223,255,.22),rgba(155,92,255,.2));
      border:1px solid rgba(75,223,255,.24);
      box-shadow:0 0 22px rgba(75,223,255,.16);
      margin-bottom:18px;
      font-size:22px;
    }
    .channel-card h3{font-size:22px;margin-bottom:8px}
    .channel-card p{color:var(--muted);margin-bottom:18px}
    .state-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      color:var(--muted-2);
      font-size:13px;
      border-top:1px solid rgba(148,163,255,.12);
      padding-top:14px;
      margin-top:auto;
    }
    .compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
      align-items:stretch;
    }
    .compare-box{
      padding:26px;
    }
    .compare-box h3{font-size:24px;margin-bottom:18px}
    .bar-list{display:grid;gap:18px}
    .bar-row span{display:flex;justify-content:space-between;color:var(--muted);font-size:14px;margin-bottom:8px}
    .bar{
      height:12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .bar i{
      display:block;height:100%;border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
      box-shadow:0 0 18px rgba(75,223,255,.34);
    }
    .before .bar i{background:linear-gradient(90deg,#64708e,#8792b4);box-shadow:none}
    .flow{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:18px;
    }
    .flow-step{
      padding:20px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(148,163,255,.14);
    }
    .flow-step b{color:var(--cyan);font-size:13px}
    .flow-step h3{font-size:18px;margin:8px 0}
    .flow-step p{color:var(--muted);margin:0;font-size:14px}
    .faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
    .faq-item{
      border-radius:20px;
      border:1px solid rgba(148,163,255,.16);
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:.25s var(--ease);
    }
    .faq-q{
      width:100%;
      min-height:66px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:0 22px;
      background:transparent;
      color:#fff;
      text-align:left;
      font-weight:900;
    }
    .faq-q .arrow{transition:.25s var(--ease);color:var(--cyan)}
    .faq-a{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
    }
    .faq-item.open{
      border-color:rgba(75,223,255,.45);
      box-shadow:0 0 28px rgba(75,223,255,.12);
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .arrow{transform:rotate(180deg)}
    .cta-panel{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(75,223,255,.12),rgba(155,92,255,.09) 48%,rgba(255,79,163,.09)),
        rgba(255,255,255,.05);
      border:1px solid rgba(75,223,255,.22);
      box-shadow:var(--shadow),var(--shadow-glow);
      overflow:hidden;
      position:relative;
    }
    .trust-list{display:grid;gap:14px;margin-top:22px}
    .trust-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:16px;
      background:rgba(6,10,28,.36);
      border:1px solid rgba(148,163,255,.13);
      color:var(--muted);
    }
    .trust-item b{color:#fff}
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field.full{grid-column:1/-1}
    label{display:block;color:#d9e2ff;font-weight:800;font-size:14px;margin-bottom:8px}
    input,select,textarea{
      width:100%;
      border:1px solid rgba(148,163,255,.18);
      background:rgba(6,10,28,.56);
      color:#fff;
      border-radius:14px;
      outline:none;
      padding:13px 14px;
      transition:.25s var(--ease);
    }
    textarea{min-height:118px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 4px rgba(75,223,255,.11);
    }
    input::placeholder,textarea::placeholder{color:rgba(174,184,214,.64)}
    .form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:16px}
    .form-note{color:var(--muted-2);font-size:13px}
    .loading{
      position:relative;
      overflow:hidden;
      color:transparent!important;
    }
    .loading:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
      animation:sweep 1.5s infinite;
    }
    .disabled,[disabled]{
      opacity:.48;
      pointer-events:none;
      filter:saturate(.5);
    }
    .empty-state{
      padding:28px;
      text-align:center;
      border:1px dashed rgba(75,223,255,.34);
      border-radius:22px;
      color:var(--muted);
      background:rgba(75,223,255,.045);
    }
    .site-footer{
      margin-top:40px;
      border-top:1px solid rgba(148,163,255,.14);
      background:rgba(5,7,18,.58);
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      left:0;right:0;top:-1px;height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);
      opacity:.65;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr 1fr;
      gap:28px;
      padding:48px 0 30px;
    }
    .footer-title{font-size:18px;font-weight:950;margin-bottom:14px}
    .footer-text,.footer-link,.copyright{color:var(--muted);font-size:14px}
    .footer-links{display:grid;gap:10px}
    .footer-link:hover{color:#fff}
    .copyright{
      border-top:1px solid rgba(148,163,255,.12);
      padding:18px 0 24px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    @media (max-width:1280px){
      .metrics-grid{grid-template-columns:repeat(3,1fr)}
      .matrix{grid-template-columns:1fr 1fr}
      .channel-card.large{grid-row:auto;grid-column:1/-1}
    }
    @media (max-width:1024px){
      .topbar{grid-template-columns:1fr auto;min-height:auto;padding:14px 0}
      .search{grid-column:1/-1;grid-row:2;justify-self:stretch;max-width:none}
      .hero-grid{grid-template-columns:1fr}
      .hero-board{min-height:auto}
      .compare,.cta-panel{grid-template-columns:1fr}
      .flow{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:54px 0}
      .hero{padding:44px 0 22px}
      .brand-text{max-width:230px;font-size:16px}
      .nav-cta{min-height:40px;padding:0 12px}
      .hero-actions .btn{width:100%}
      .board-metrics,.metrics-grid,.matrix,.form-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .flow{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      h1{font-size:38px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .topbar{gap:12px}
      .tabs{gap:8px}
      .tab{padding:9px 13px;font-size:13px}
      .hero-board,.cta-panel{padding:18px;border-radius:22px}
      .ring-wrap{display:block}
      .ring{margin-bottom:14px}
      .metric-card,.channel-card,.compare-box{padding:18px}
      .badges{display:grid;grid-template-columns:1fr}
      .badge{justify-content:center}
    }
    @media (max-width:414px){
      .brand-text{max-width:190px}
      .search input{height:42px}
      .footer-text,.footer-link,.copyright{font-size:13px}
    }
    @media (max-width:360px){
      .container{width:min(100% - 22px,var(--container))}
      h1{font-size:34px}
      .brand-text{max-width:160px}
      .nav-cta{font-size:13px}
    }
    @media (min-width:1536px){
      :root{--container:1320px}
      .hero{padding-top:96px}
    }

/* roulang page: category1 */
:root{
      --bg:#07091b;
      --bg2:#0c102b;
      --panel:rgba(18,24,56,.68);
      --panel2:rgba(13,18,45,.82);
      --panel3:rgba(255,255,255,.055);
      --line:rgba(142,221,255,.18);
      --line2:rgba(194,114,255,.25);
      --text:#f5f8ff;
      --muted:#aeb8d4;
      --weak:#76819f;
      --cyan:#26e3ff;
      --purple:#a86bff;
      --pink:#ff4fb8;
      --green:#6dffb8;
      --amber:#ffd36e;
      --danger:#ff6d8d;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 24px 80px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.06);
      --glow:0 0 30px rgba(38,227,255,.22),0 0 58px rgba(168,107,255,.14);
      --container:1240px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.7;
      background:
        radial-gradient(circle at 12% 8%,rgba(38,227,255,.16),transparent 30%),
        radial-gradient(circle at 82% 14%,rgba(168,107,255,.20),transparent 30%),
        radial-gradient(circle at 58% 76%,rgba(255,79,184,.10),transparent 34%),
        linear-gradient(135deg,#060718 0%,#0c102b 48%,#08091b 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.35),rgba(0,0,0,.75));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background:
        repeating-linear-gradient(115deg,rgba(255,255,255,.08) 0,rgba(255,255,255,.08) 1px,transparent 1px,transparent 9px);
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(38,227,255,.32);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,9,27,.78);
      backdrop-filter:blur(22px);
      border-bottom:1px solid rgba(142,221,255,.14);
      box-shadow:0 12px 40px rgba(0,0,0,.26);
    }
    .topbar{
      min-height:76px;
      display:grid;
      grid-template-columns:auto minmax(240px,1fr) auto;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      outline:none;
      border-radius:16px;
    }
    .brand:focus-visible{box-shadow:0 0 0 4px rgba(38,227,255,.24)}
    .brand-mark{
      width:38px;
      height:38px;
      flex:0 0 auto;
      border-radius:14px;
      background:
        radial-gradient(circle at 34% 32%,#fff 0 7%,transparent 8%),
        conic-gradient(from 180deg,var(--cyan),var(--purple),var(--pink),var(--cyan));
      box-shadow:0 0 28px rgba(38,227,255,.34);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:8px;
      border:1px solid rgba(255,255,255,.36);
      border-radius:10px;
      background:rgba(5,8,24,.32);
    }
    .brand-text{
      font-weight:900;
      letter-spacing:.02em;
      font-size:18px;
      white-space:nowrap;
      background:linear-gradient(90deg,#fff,#c9f7ff 46%,#e1ccff);
      -webkit-background-clip:text;
      color:transparent;
    }
    .search{
      justify-self:end;
      width:min(480px,100%);
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
      border-radius:999px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      transition:.25s var(--ease);
    }
    .search:focus-within{
      border-color:rgba(38,227,255,.62);
      box-shadow:0 0 0 4px rgba(38,227,255,.12),var(--glow);
    }
    .search input{
      width:100%;
      color:var(--text);
      background:transparent;
      border:0;
      outline:0;
      min-width:0;
    }
    .search input::placeholder{color:#7783a4}
    .search span{color:var(--cyan);font-size:20px}
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      min-height:46px;
      padding:0 20px;
      border-radius:15px;
      font-weight:800;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
      outline:none;
      white-space:nowrap;
    }
    .nav-cta,.btn-primary{
      color:#061121;
      background:linear-gradient(135deg,var(--cyan),#90f5ff 38%,var(--purple));
      box-shadow:0 14px 36px rgba(38,227,255,.23),0 0 0 1px rgba(255,255,255,.18) inset;
    }
    .nav-cta:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 20px 50px rgba(38,227,255,.30),0 0 34px rgba(168,107,255,.24)}
    .nav-cta:active,.btn:active{transform:scale(.98)}
    .nav-cta:focus-visible,.btn:focus-visible{box-shadow:0 0 0 4px rgba(38,227,255,.28),0 18px 45px rgba(38,227,255,.28)}
    .btn-secondary{
      color:var(--text);
      border:1px solid rgba(142,221,255,.24);
      background:rgba(255,255,255,.065);
    }
    .btn-secondary:hover{border-color:rgba(38,227,255,.62)}
    .btn-disabled,.btn:disabled{
      cursor:not-allowed;
      filter:saturate(.45);
      opacity:.58;
      transform:none!important;
      box-shadow:none!important;
    }
    .tabbar{
      border-top:1px solid rgba(255,255,255,.055);
      padding:12px 0 14px;
    }
    .tabs{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:2px;
    }
    .tabs::-webkit-scrollbar{display:none}
    .tab{
      position:relative;
      flex:0 0 auto;
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      background:rgba(255,255,255,.035);
      transition:.25s var(--ease);
      outline:none;
    }
    .tab:hover{color:#fff;border-color:rgba(38,227,255,.28);background:rgba(38,227,255,.08)}
    .tab.active{
      color:#fff;
      border-color:rgba(38,227,255,.58);
      background:linear-gradient(135deg,rgba(38,227,255,.18),rgba(168,107,255,.14));
      box-shadow:0 0 24px rgba(38,227,255,.16);
    }
    .tab.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:-15px;
      height:2px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      border-radius:999px;
    }
    .tab:focus-visible{box-shadow:0 0 0 4px rgba(168,107,255,.24)}
    main{position:relative}
    .section{padding:76px 0}
    .section-tight{padding:46px 0}
    .breadcrumb{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      align-items:center;
      color:var(--muted);
      font-size:14px;
      margin-bottom:20px;
    }
    .breadcrumb a{color:#cff8ff}
    .breadcrumb span{color:var(--weak)}
    .channel-hero{
      padding:70px 0 42px;
      position:relative;
    }
    .channel-hero:before{
      content:"国产免费又黄又爽又色毛";
      position:absolute;
      right:4vw;
      top:34px;
      font-size:clamp(42px,8vw,118px);
      font-weight:900;
      letter-spacing:-.08em;
      color:rgba(255,255,255,.025);
      pointer-events:none;
      white-space:nowrap;
    }
    .hero-panel{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border:1px solid rgba(38,227,255,.24);
      border-radius:999px;
      background:rgba(38,227,255,.075);
      color:#caf8ff;
      font-size:14px;
      margin-bottom:18px;
    }
    .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 16px rgba(109,255,184,.9);
    }
    h1{
      margin:0;
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.04em;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#bff8ff 42%,#dec9ff 78%,#ffb4df 100%);
      -webkit-background-clip:text;
      color:transparent;
    }
    .lead{
      margin:22px 0 0;
      max-width:760px;
      color:var(--muted);
      font-size:18px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#dfe8ff;
      font-size:13px;
    }
    .tag.cyan{border-color:rgba(38,227,255,.25);color:#c9f8ff;background:rgba(38,227,255,.08)}
    .tag.purple{border-color:rgba(168,107,255,.26);color:#e3d6ff;background:rgba(168,107,255,.08)}
    .tag.pink{border-color:rgba(255,79,184,.26);color:#ffd4ee;background:rgba(255,79,184,.07)}
    .glass-card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.045));
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      backdrop-filter:blur(22px);
      position:relative;
      overflow:hidden;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      border-radius:inherit;
      background:linear-gradient(135deg,rgba(38,227,255,.12),transparent 32%,rgba(168,107,255,.10) 72%,transparent);
      opacity:.9;
    }
    .side-dashboard{padding:24px;min-height:100%}
    .dashboard-top{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;z-index:1}
    .dashboard-title{font-weight:900;font-size:18px}
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      color:#0c241a;
      background:linear-gradient(135deg,#6dffb8,#d8ffe9);
      font-size:12px;
      font-weight:900;
    }
    .meter-wrap{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:160px 1fr;
      gap:22px;
      align-items:center;
      margin-top:24px;
    }
    .ring{
      width:156px;
      aspect-ratio:1;
      border-radius:50%;
      background:conic-gradient(var(--cyan) 0 72%,rgba(255,255,255,.08) 72% 100%);
      display:grid;
      place-items:center;
      box-shadow:0 0 36px rgba(38,227,255,.22);
    }
    .ring:after{
      content:"";
      position:absolute;
      width:110px;
      aspect-ratio:1;
      border-radius:50%;
      background:#0c102b;
      border:1px solid rgba(255,255,255,.10);
    }
    .ring strong{position:relative;z-index:1;font-size:34px}
    .mini-bars{display:grid;gap:12px}
    .bar-line span{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:6px}
    .bar{height:9px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
    .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--purple));box-shadow:0 0 16px rgba(38,227,255,.5)}
    .spark{
      position:relative;
      z-index:1;
      margin-top:22px;
      height:90px;
      border-radius:18px;
      background:
        linear-gradient(180deg,rgba(38,227,255,.10),transparent),
        repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 34px);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .spark svg{width:100%;height:100%}
    .channel-strip{
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
      background:rgba(255,255,255,.035);
      padding:16px 0;
    }
    .strip-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .strip-text{color:var(--muted)}
    .filter-row{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .filter-pill{
      border:1px solid rgba(142,221,255,.18);
      background:rgba(255,255,255,.055);
      color:var(--muted);
      padding:9px 13px;
      border-radius:999px;
      transition:.22s var(--ease);
      outline:none;
    }
    .filter-pill:hover,.filter-pill.active{
      color:#fff;
      border-color:rgba(38,227,255,.54);
      background:rgba(38,227,255,.11);
      box-shadow:0 0 22px rgba(38,227,255,.13);
    }
    .filter-pill:focus-visible{box-shadow:0 0 0 4px rgba(38,227,255,.20)}
    .layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 350px;
      gap:28px;
      align-items:start;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:24px;
    }
    .section-kicker{color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:.08em}
    h2{margin:6px 0 0;font-size:clamp(26px,3vw,40px);line-height:1.18;letter-spacing:-.03em}
    .section-desc{max-width:640px;color:var(--muted);margin:8px 0 0}
    .content-list{display:grid;gap:18px}
    .list-card{
      display:grid;
      grid-template-columns:230px minmax(0,1fr);
      gap:20px;
      padding:16px;
      border-radius:var(--radius);
      border:1px solid rgba(142,221,255,.16);
      background:rgba(255,255,255,.055);
      box-shadow:0 18px 55px rgba(0,0,0,.24),inset 0 1px 0 rgba(255,255,255,.05);
      transition:.25s var(--ease);
      overflow:hidden;
      position:relative;
    }
    .list-card:hover{
      transform:translateY(-4px);
      border-color:rgba(38,227,255,.45);
      box-shadow:0 26px 70px rgba(0,0,0,.34),0 0 34px rgba(38,227,255,.12);
    }
    .list-card.featured{
      grid-template-columns:300px minmax(0,1fr);
      padding:20px;
      background:linear-gradient(135deg,rgba(38,227,255,.105),rgba(168,107,255,.075) 50%,rgba(255,79,184,.055));
    }
    .cover{
      min-height:150px;
      border-radius:18px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 20% 30%,rgba(38,227,255,.7),transparent 28%),
        radial-gradient(circle at 80% 20%,rgba(168,107,255,.7),transparent 30%),
        linear-gradient(135deg,#131a47,#0b0f2d 52%,#25113b);
    }
    .cover:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(115deg,transparent 0 32%,rgba(255,255,255,.14) 33% 34%,transparent 35% 100%),
        repeating-linear-gradient(0deg,rgba(255,255,255,.08) 0 1px,transparent 1px 12px);
      opacity:.55;
    }
    .cover:after{
      content:attr(data-code);
      position:absolute;
      left:16px;
      bottom:12px;
      color:rgba(255,255,255,.82);
      font-weight:900;
      letter-spacing:.08em;
      font-size:13px;
    }
    .card-content{min-width:0}
    .meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--weak);font-size:13px;margin-bottom:10px}
    .title{
      margin:0;
      font-size:22px;
      line-height:1.28;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .summary{
      color:var(--muted);
      margin:10px 0 14px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .mini-cta{color:#c9f8ff;font-weight:900}
    .mini-cta:hover{color:#fff;text-shadow:0 0 18px rgba(38,227,255,.7)}
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:156px;
    }
    .side-card{padding:20px}
    .side-title{font-size:17px;font-weight:900;margin:0 0 14px}
    .rank-list{display:grid;gap:12px}
    .rank-item{
      display:grid;
      grid-template-columns:34px minmax(0,1fr) auto;
      gap:10px;
      align-items:center;
      padding:10px;
      border-radius:14px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.075);
    }
    .rank-no{
      width:30px;height:30px;border-radius:10px;
      display:grid;place-items:center;
      color:#061121;font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
    }
    .rank-item b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .rank-item small{color:var(--weak)}
    .notice{
      color:var(--muted);
      margin:0;
      padding:14px;
      border-radius:16px;
      background:rgba(255,211,110,.08);
      border:1px solid rgba(255,211,110,.22);
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .process-card{
      padding:22px;
      border-radius:var(--radius);
      border:1px solid rgba(142,221,255,.16);
      background:rgba(255,255,255,.05);
      box-shadow:var(--shadow);
      transition:.25s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .process-card:hover{transform:translateY(-4px);border-color:rgba(168,107,255,.45)}
    .process-no{font-size:34px;font-weight:900;color:rgba(38,227,255,.75);line-height:1}
    .process-card h3{margin:16px 0 8px;font-size:18px}
    .process-card p{margin:0;color:var(--muted)}
    .info-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .scenario{
      padding:24px;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
      transition:.25s var(--ease);
    }
    .scenario:hover{transform:translateY(-3px);border-color:rgba(38,227,255,.38)}
    .scenario h3{margin:0 0 10px;font-size:20px}
    .scenario p{margin:0;color:var(--muted)}
    .faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
    .faq-item{
      border:1px solid rgba(142,221,255,.16);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:.25s var(--ease);
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:18px 20px;
      background:transparent;
      color:var(--text);
      border:0;
      text-align:left;
      font-weight:900;
      outline:none;
    }
    .faq-q span:last-child{transition:.25s var(--ease);color:var(--cyan)}
    .faq-a{
      max-height:0;
      overflow:hidden;
      color:var(--muted);
      padding:0 20px;
      transition:max-height .3s var(--ease),padding .3s var(--ease);
    }
    .faq-item.open{
      border-color:rgba(38,227,255,.45);
      box-shadow:0 0 30px rgba(38,227,255,.10);
    }
    .faq-item.open .faq-a{max-height:180px;padding:0 20px 18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-q:focus-visible{box-shadow:0 0 0 4px rgba(168,107,255,.20) inset}
    .contact-panel{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      padding:28px;
    }
    .promise-list{display:grid;gap:12px;margin-top:22px}
    .promise{display:flex;gap:10px;color:var(--muted)}
    .promise i{
      width:22px;height:22px;border-radius:8px;
      flex:0 0 auto;
      background:rgba(109,255,184,.16);
      border:1px solid rgba(109,255,184,.32);
      position:relative;
    }
    .promise i:after{content:"";position:absolute;left:7px;top:4px;width:6px;height:10px;border:solid var(--green);border-width:0 2px 2px 0;transform:rotate(45deg)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{color:#dfe8ff;font-weight:800;font-size:14px}
    input,select,textarea{
      width:100%;
      border:1px solid rgba(142,221,255,.18);
      background:rgba(6,10,30,.62);
      color:var(--text);
      border-radius:14px;
      padding:13px 14px;
      outline:none;
      transition:.22s var(--ease);
    }
    textarea{min-height:116px;resize:vertical}
    input:focus,select:focus,textarea:focus{
      border-color:rgba(38,227,255,.65);
      box-shadow:0 0 0 4px rgba(38,227,255,.12);
    }
    .empty-state,.loading-state{
      border:1px dashed rgba(142,221,255,.28);
      border-radius:18px;
      padding:22px;
      color:var(--muted);
      background:rgba(255,255,255,.035);
      text-align:center;
    }
    .skeleton{
      height:14px;
      border-radius:999px;
      background:linear-gradient(90deg,rgba(255,255,255,.06),rgba(38,227,255,.18),rgba(255,255,255,.06));
      background-size:220% 100%;
      animation:pulse 1.5s infinite;
      margin:10px 0;
    }
    @keyframes pulse{0%{background-position:0 0}100%{background-position:-220% 0}}
    .site-footer{
      margin-top:34px;
      padding:58px 0 26px;
      border-top:1px solid rgba(142,221,255,.16);
      background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(0,0,0,.18));
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);
      opacity:.8;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .85fr .85fr 1fr;
      gap:28px;
    }
    .footer-title{font-weight:900;margin-bottom:12px;font-size:17px}
    .footer-text{color:var(--muted);margin:0 0 8px}
    .footer-links{display:grid;gap:9px}
    .footer-link{color:var(--muted);transition:.2s var(--ease)}
    a.footer-link:hover{color:#fff;text-shadow:0 0 16px rgba(38,227,255,.55)}
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:14px;
    }
    @media (max-width:1024px){
      .topbar{grid-template-columns:1fr auto;gap:14px;padding:14px 0}
      .search{grid-column:1/-1;justify-self:stretch;width:100%;order:3}
      .hero-panel,.layout,.contact-panel{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:1fr 1fr}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .brand-text{font-size:16px;max-width:58vw;overflow:hidden;text-overflow:ellipsis}
      .nav-cta{padding:0 14px;min-height:42px}
      .channel-hero{padding:46px 0 34px}
      .section{padding:54px 0}
      .meter-wrap{grid-template-columns:1fr}
      .ring{margin:auto}
      .list-card,.list-card.featured{grid-template-columns:1fr}
      .cover{min-height:180px}
      .sidebar{grid-template-columns:1fr}
      .info-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .topbar{grid-template-columns:1fr}
      .brand{justify-content:flex-start}
      .nav-cta{width:100%}
      .hero-actions .btn{width:100%}
      .strip-inner{display:block}
      .filter-row{margin-top:12px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .filter-pill{flex:0 0 auto}
      .process-grid{grid-template-columns:1fr}
      h1{font-size:34px}
      .lead{font-size:16px}
      .contact-panel{padding:20px}
    }
    @media (min-width:1280px){
      .channel-hero{padding-top:82px}
    }
    @media (min-width:1536px){
      :root{--container:1320px}
    }

/* roulang page: category2 */
:root{
      --bg:#060a18;
      --bg-2:#09132a;
      --panel:rgba(15,25,52,.66);
      --panel-strong:rgba(20,32,66,.86);
      --panel-soft:rgba(255,255,255,.055);
      --text:#f5f8ff;
      --muted:#a8b4cc;
      --weak:#6f7d98;
      --line:rgba(150,178,255,.18);
      --line-strong:rgba(69,219,255,.42);
      --cyan:#38e8ff;
      --cyan-2:#55fff0;
      --purple:#9b5cff;
      --pink:#ff4da6;
      --amber:#ffc857;
      --green:#8cffb2;
      --danger:#ff6c8f;
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:24px;
      --radius-xl:32px;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --glow:0 0 34px rgba(56,232,255,.22),0 0 54px rgba(155,92,255,.12);
      --container:1240px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      font-family:var(--font);
      color:var(--text);
      line-height:1.65;
      background:
        radial-gradient(circle at 12% 5%,rgba(155,92,255,.22),transparent 30%),
        radial-gradient(circle at 82% 10%,rgba(56,232,255,.16),transparent 30%),
        radial-gradient(circle at 50% 95%,rgba(255,77,166,.12),transparent 36%),
        linear-gradient(180deg,#071026 0%,#060a18 48%,#08111f 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 86%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.22;
      background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(/%23n)' opacity='.35'/%3E%3C/svg%3E");
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(56,232,255,.28);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(22px);
      background:linear-gradient(180deg,rgba(6,10,24,.92),rgba(6,10,24,.72));
      border-bottom:1px solid var(--line);
      box-shadow:0 14px 40px rgba(0,0,0,.24);
    }
    .topbar{
      min-height:76px;
      display:grid;
      grid-template-columns:auto minmax(280px,520px) auto;
      align-items:center;
      gap:20px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      outline:none;
      border-radius:16px;
    }
    .brand:focus-visible{box-shadow:0 0 0 3px rgba(56,232,255,.38)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:
        radial-gradient(circle at 35% 28%,#fff 0 6%,transparent 7%),
        conic-gradient(from 140deg,var(--cyan),var(--purple),var(--pink),var(--cyan));
      box-shadow:0 0 28px rgba(56,232,255,.38),inset 0 0 14px rgba(255,255,255,.28);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.44);
      background:rgba(6,10,24,.34);
    }
    .brand-text{
      font-weight:800;
      letter-spacing:.02em;
      font-size:18px;
      white-space:nowrap;
      background:linear-gradient(90deg,#fff,#bdf8ff 45%,#e1ccff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .search{
      height:44px;
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
      border-radius:999px;
      padding:0 14px 0 18px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .search input{
      width:100%;
      min-width:0;
      color:var(--text);
      border:0;
      outline:0;
      background:transparent;
    }
    .search input::placeholder{color:var(--weak)}
    .search:focus-within{
      border-color:var(--line-strong);
      box-shadow:0 0 0 3px rgba(56,232,255,.12),var(--glow);
    }
    .search span{color:var(--cyan);font-size:20px}
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid rgba(85,255,240,.45);
      color:#03111a;
      font-weight:800;
      background:linear-gradient(135deg,var(--cyan),var(--cyan-2) 48%,#cfb6ff);
      box-shadow:0 12px 34px rgba(56,232,255,.24),inset 0 1px 0 rgba(255,255,255,.55);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,filter .22s ease;
      white-space:nowrap;
      outline:none;
    }
    .nav-cta:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 16px 46px rgba(56,232,255,.34),0 0 44px rgba(155,92,255,.18)}
    .nav-cta:active,.btn:active{transform:scale(.98)}
    .nav-cta:focus-visible,.btn:focus-visible{box-shadow:0 0 0 4px rgba(56,232,255,.28),0 16px 46px rgba(56,232,255,.34)}
    .tabbar{
      min-height:54px;
      display:flex;
      align-items:center;
      overflow:hidden;
    }
    .tabs{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:0 0 12px;
      scrollbar-width:none;
    }
    .tabs::-webkit-scrollbar{display:none}
    .tab{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:38px;
      padding:0 16px;
      border:1px solid rgba(150,178,255,.14);
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.04);
      white-space:nowrap;
      transition:.22s ease;
      outline:none;
    }
    .tab:hover{
      color:#fff;
      border-color:rgba(56,232,255,.34);
      background:rgba(56,232,255,.08);
      transform:translateY(-1px);
    }
    .tab.active{
      color:#fff;
      border-color:rgba(56,232,255,.62);
      background:linear-gradient(135deg,rgba(56,232,255,.18),rgba(155,92,255,.16));
      box-shadow:0 0 28px rgba(56,232,255,.18);
    }
    .tab.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:-12px;
      height:2px;
      border-radius:2px;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
      box-shadow:0 0 12px var(--cyan);
    }
    .tab:focus-visible{box-shadow:0 0 0 3px rgba(56,232,255,.25)}
    main{position:relative}
    .section{padding:74px 0}
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#dffcff;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(56,232,255,.09);
      border:1px solid rgba(56,232,255,.22);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
      font-size:14px;
      font-weight:700;
    }
    .kicker:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 12px var(--green);
    }
    .hero{
      padding:72px 0 38px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"国产免费又黄又爽又色毛";
      position:absolute;
      right:-60px;
      top:34px;
      font-size:96px;
      font-weight:900;
      letter-spacing:.08em;
      color:rgba(255,255,255,.026);
      pointer-events:none;
      white-space:nowrap;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);
      gap:34px;
      align-items:stretch;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--weak);
      font-size:14px;
      margin:18px 0 22px;
    }
    .breadcrumb a{color:var(--muted)}
    .breadcrumb a:hover{color:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:18px;
      font-size:clamp(34px,5vw,66px);
      line-height:1.06;
      letter-spacing:-.04em;
    }
    h1 .grad,.grad{
      background:linear-gradient(90deg,#fff 0%,#aef9ff 42%,#d8c0ff 78%,#ffb4da 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:690px;
      margin:0 0 24px;
      color:var(--muted);
      font-size:18px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
    .btn.secondary{
      color:#e9f8ff;
      background:rgba(255,255,255,.06);
      border-color:rgba(150,178,255,.28);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
    }
    .btn.secondary:hover{border-color:rgba(56,232,255,.54);background:rgba(56,232,255,.1)}
    .metric-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      margin-top:24px;
    }
    .metric-pill{
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.052);
      border:1px solid var(--line);
      min-width:0;
    }
    .metric-pill strong{display:block;font-size:22px;line-height:1;color:#fff}
    .metric-pill span{display:block;margin-top:7px;color:var(--weak);font-size:13px}
    .topic-board{
      border:1px solid rgba(56,232,255,.22);
      background:linear-gradient(160deg,rgba(20,32,66,.78),rgba(12,18,38,.58));
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow),var(--glow),inset 0 1px 0 rgba(255,255,255,.1);
      padding:22px;
      position:relative;
      overflow:hidden;
      min-height:460px;
    }
    .topic-board:before{
      content:"";
      position:absolute;
      inset:-2px;
      background:
        radial-gradient(circle at 20% 15%,rgba(56,232,255,.2),transparent 28%),
        radial-gradient(circle at 78% 35%,rgba(255,77,166,.16),transparent 26%),
        linear-gradient(125deg,transparent 0 48%,rgba(255,255,255,.08) 50%,transparent 54%);
      pointer-events:none;
    }
    .board-head,.board-grid,.trend-lines{position:relative}
    .board-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
      margin-bottom:20px;
    }
    .board-title{font-weight:800;font-size:18px}
    .status{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#dbfff1;
      font-size:13px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(140,255,178,.08);
      border:1px solid rgba(140,255,178,.24);
    }
    .status:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 12px var(--green);
    }
    .board-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .board-card{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.11);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .board-card.big{grid-column:1/-1}
    .board-card .num{font-size:38px;font-weight:900;line-height:1}
    .board-card .label{margin-top:9px;color:var(--muted);font-size:14px}
    .spark{
      height:64px;
      margin-top:14px;
      border-radius:16px;
      background:
        linear-gradient(180deg,rgba(56,232,255,.12),transparent),
        repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 36px);
      position:relative;
      overflow:hidden;
    }
    .spark:after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:20px;
      height:30px;
      background:linear-gradient(135deg,transparent 0 10%,var(--cyan) 11% 12%,transparent 13% 28%,var(--purple) 29% 30%,transparent 31% 52%,var(--pink) 53% 54%,transparent 55%);
      filter:drop-shadow(0 0 8px rgba(56,232,255,.7));
    }
    .trend-lines{
      margin-top:16px;
      display:grid;
      gap:10px;
    }
    .trend-row{
      display:grid;
      grid-template-columns:74px 1fr 42px;
      gap:10px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      overflow:hidden;
    }
    .bar i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink));
      box-shadow:0 0 18px rgba(56,232,255,.34);
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:26px;
      margin-bottom:28px;
    }
    .section-head h2{
      font-size:clamp(26px,3vw,42px);
      line-height:1.16;
      margin:12px 0 0;
      letter-spacing:-.03em;
    }
    .section-head p{
      max-width:560px;
      color:var(--muted);
      margin:0;
    }
    .summary-panel{
      display:grid;
      grid-template-columns:1.16fr .84fr;
      gap:22px;
      align-items:stretch;
    }
    .glass-card{
      border:1px solid var(--line);
      background:linear-gradient(155deg,rgba(255,255,255,.082),rgba(255,255,255,.036));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.09);
      backdrop-filter:blur(18px);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
      position:relative;
      overflow:hidden;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:rgba(56,232,255,.38);
      box-shadow:0 30px 90px rgba(0,0,0,.46),0 0 42px rgba(56,232,255,.12);
    }
    .glass-card:focus-within{border-color:rgba(56,232,255,.5);box-shadow:0 0 0 3px rgba(56,232,255,.16),var(--shadow)}
    .summary-card{padding:28px}
    .summary-card h2{font-size:34px;line-height:1.2;margin:0 0 14px}
    .summary-card p{color:var(--muted);margin-bottom:18px}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:32px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(150,178,255,.18);
      background:rgba(255,255,255,.055);
      color:#d8e4ff;
      font-size:13px;
      transition:.2s ease;
    }
    .tag:hover{border-color:rgba(56,232,255,.38);color:#fff;background:rgba(56,232,255,.08)}
    .tag.hot{border-color:rgba(255,77,166,.32);background:rgba(255,77,166,.09)}
    .insight-card{padding:24px}
    .insight-list{display:grid;gap:13px;margin-top:16px}
    .insight-item{
      display:flex;
      gap:12px;
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .dot{
      width:10px;
      height:10px;
      margin-top:7px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px var(--cyan);
      flex:0 0 auto;
    }
    .insight-item strong{display:block;color:#fff;margin-bottom:2px}
    .insight-item span{color:var(--weak);font-size:13px}
    .masonry{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      align-items:start;
    }
    .feature-card{
      padding:24px;
      min-height:560px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .cover{
      min-height:240px;
      border-radius:22px;
      border:1px solid rgba(56,232,255,.22);
      background:
        radial-gradient(circle at 25% 25%,rgba(56,232,255,.32),transparent 24%),
        radial-gradient(circle at 70% 38%,rgba(155,92,255,.28),transparent 28%),
        radial-gradient(circle at 52% 78%,rgba(255,77,166,.18),transparent 28%),
        linear-gradient(135deg,rgba(255,255,255,.1),rgba(255,255,255,.035));
      position:relative;
      overflow:hidden;
      box-shadow:inset 0 0 42px rgba(255,255,255,.055);
    }
    .cover:before{
      content:"";
      position:absolute;
      inset:26px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:18px;
      background:
        linear-gradient(90deg,rgba(56,232,255,.75),transparent 46%) 0 30%/100% 2px no-repeat,
        linear-gradient(90deg,rgba(155,92,255,.65),transparent 64%) 0 58%/100% 2px no-repeat,
        linear-gradient(90deg,rgba(255,77,166,.55),transparent 56%) 0 76%/100% 2px no-repeat;
    }
    .cover:after{
      content:"趋势专题";
      position:absolute;
      right:24px;
      bottom:20px;
      color:rgba(255,255,255,.22);
      font-weight:900;
      letter-spacing:.08em;
    }
    .feature-card h2{font-size:36px;line-height:1.2;margin:24px 0 12px}
    .feature-card p{color:var(--muted)}
    .mini-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .topic-card{padding:22px;min-height:268px}
    .topic-card:nth-child(2){margin-top:34px}
    .topic-card:nth-child(3){margin-top:-18px}
    .topic-card h3{font-size:21px;line-height:1.35;margin:14px 0 10px}
    .topic-card p{color:var(--muted);font-size:14px;margin-bottom:16px}
    .icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#04111c;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 22px rgba(56,232,255,.2);
    }
    .meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--weak);
      font-size:13px;
      margin-top:auto;
      padding-top:14px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .rank-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .rank-panel{padding:24px}
    .rank-list{display:grid;gap:12px;margin-top:18px}
    .rank-item{
      display:grid;
      grid-template-columns:38px 1fr auto;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:17px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
      transition:.2s ease;
    }
    .rank-item:hover{border-color:rgba(56,232,255,.28);background:rgba(56,232,255,.07);transform:translateX(3px)}
    .rank-num{
      width:34px;
      height:34px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(56,232,255,.11);
      color:var(--cyan);
      font-weight:900;
    }
    .rank-item strong{display:block}
    .rank-item small{color:var(--weak)}
    .rise{color:var(--green);font-weight:800}
    .timeline{padding:24px}
    .time-list{position:relative;display:grid;gap:18px;margin-top:20px}
    .time-list:before{
      content:"";
      position:absolute;
      left:18px;
      top:10px;
      bottom:12px;
      width:1px;
      background:linear-gradient(var(--cyan),var(--purple),transparent);
    }
    .time-item{
      position:relative;
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
    }
    .time-dot{
      width:36px;
      height:36px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(56,232,255,.09);
      border:1px solid rgba(56,232,255,.3);
      color:var(--cyan);
      box-shadow:0 0 18px rgba(56,232,255,.18);
      z-index:1;
      font-weight:900;
    }
    .time-content{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .time-content strong{display:block;margin-bottom:4px}
    .time-content span{color:var(--muted);font-size:14px}
    .scenario-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .scenario-card{padding:22px}
    .scenario-card h3{font-size:20px;margin:14px 0 8px}
    .scenario-card p{color:var(--muted);font-size:14px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      transition:.22s ease;
    }
    .faq-item.active{
      border-color:rgba(56,232,255,.42);
      box-shadow:0 0 34px rgba(56,232,255,.12);
    }
    .faq-question{
      width:100%;
      border:0;
      color:#fff;
      background:transparent;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      text-align:left;
      font-weight:800;
      outline:none;
    }
    .faq-question:focus-visible{box-shadow:inset 0 0 0 3px rgba(56,232,255,.24)}
    .faq-question i{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(56,232,255,.1);
      color:var(--cyan);
      font-style:normal;
      transition:.22s ease;
      flex:0 0 auto;
    }
    .faq-item.active .faq-question i{transform:rotate(45deg);background:rgba(56,232,255,.18)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
    }
    .faq-item.active .faq-answer{max-height:180px}
    .contact-panel{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:24px;
      padding:28px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(56,232,255,.24);
      background:
        radial-gradient(circle at 8% 12%,rgba(56,232,255,.15),transparent 28%),
        radial-gradient(circle at 92% 20%,rgba(155,92,255,.14),transparent 28%),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow),var(--glow);
    }
    .contact-copy h2{font-size:38px;line-height:1.16;margin:12px 0}
    .contact-copy p{color:var(--muted)}
    .promise{display:grid;gap:12px;margin-top:22px}
    .promise div{
      padding:13px 14px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.045);
      color:#dbe6ff;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    .field label{color:#dbe6ff;font-weight:700;font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid rgba(150,178,255,.18);
      color:#fff;
      background:rgba(2,7,18,.42);
      border-radius:14px;
      padding:13px 14px;
      outline:none;
      transition:.2s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:var(--weak)}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(56,232,255,.5);
      box-shadow:0 0 0 3px rgba(56,232,255,.12);
      background:rgba(2,7,18,.62);
    }
    .form-note{color:var(--weak);font-size:13px;margin:12px 0 0}
    .state-demo{
      margin-top:22px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .state-box{
      min-height:54px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.045);
      display:flex;
      align-items:center;
      justify-content:center;
      color:var(--muted);
      font-size:13px;
    }
    .state-box.loading{position:relative;overflow:hidden;color:transparent}
    .state-box.loading:after{
      content:"";
      position:absolute;
      inset:13px;
      border-radius:999px;
      background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(56,232,255,.22),rgba(255,255,255,.05));
      animation:pulse 1.35s infinite;
    }
    .state-box.empty{border-style:dashed}
    .state-box.disabled{opacity:.48;filter:saturate(.45)}
    @keyframes pulse{
      0%{transform:translateX(-80%);opacity:.45}
      50%{opacity:1}
      100%{transform:translateX(80%);opacity:.45}
    }
    .site-footer{
      padding:58px 0 28px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg,rgba(6,10,24,.2),rgba(2,5,12,.72));
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-1px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);
      opacity:.55;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .85fr .85fr 1fr;
      gap:28px;
    }
    .footer-title{font-weight:900;font-size:18px;margin-bottom:12px;color:#fff}
    .footer-text{color:var(--muted);font-size:14px;margin:0 0 8px}
    .footer-links{display:grid;gap:9px}
    .footer-link{color:var(--muted);font-size:14px}
    a.footer-link:hover{color:var(--cyan)}
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:var(--weak);
      font-size:13px;
      flex-wrap:wrap;
    }
    .watermark{
      position:absolute;
      inset:auto 0 24px 0;
      text-align:center;
      font-size:88px;
      line-height:1;
      font-weight:900;
      letter-spacing:.05em;
      color:rgba(255,255,255,.018);
      pointer-events:none;
      white-space:nowrap;
      overflow:hidden;
    }
    @media (max-width:1024px){
      .topbar{grid-template-columns:1fr auto;gap:14px;padding-top:14px}
      .search{grid-column:1/-1;order:3;margin-bottom:10px}
      .hero-grid,.summary-panel,.masonry,.rank-layout,.faq-wrap,.contact-panel{grid-template-columns:1fr}
      .topic-board{min-height:auto}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .feature-card{min-height:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .site-header{position:relative}
      .topbar{min-height:auto}
      .brand-text{font-size:16px;max-width:calc(100vw - 150px);overflow:hidden;text-overflow:ellipsis}
      .nav-cta{padding:0 14px;min-height:40px}
      .hero{padding:48px 0 24px}
      .hero:before{font-size:48px;right:-120px}
      .section{padding:52px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .board-grid,.mini-grid,.scenario-grid,.form-grid,.state-demo{grid-template-columns:1fr}
      .topic-card:nth-child(2),.topic-card:nth-child(3){margin-top:0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .metric-strip{grid-template-columns:1fr}
      .hero-actions{display:grid}
      .btn,.nav-cta{width:100%}
      .topbar{grid-template-columns:1fr}
      .brand{justify-content:flex-start}
      .tab{height:36px;padding:0 13px;font-size:14px}
      .topic-board,.summary-card,.insight-card,.feature-card,.topic-card,.rank-panel,.timeline,.contact-panel{border-radius:20px;padding:18px}
      .cover{min-height:190px}
      .feature-card h2,.contact-copy h2{font-size:28px}
      .summary-card h2{font-size:27px}
      .rank-item{grid-template-columns:34px 1fr}
      .rank-item .rise{grid-column:2}
    }
    @media (min-width:1280px){
      .hero{padding-top:84px}
    }
    @media (min-width:1536px){
      :root{--container:1320px}
    }