/* roulang page: index */
:root{
      --bg:#060B18;
      --bg-2:#08111F;
      --panel:rgba(255,255,255,.075);
      --panel-2:rgba(255,255,255,.105);
      --border:rgba(255,255,255,.13);
      --border-blue:rgba(77,163,255,.28);
      --text:#EAF2FF;
      --muted:#A9B8D3;
      --weak:#6F7E99;
      --blue:#2F80FF;
      --blue-2:#4DA3FF;
      --cyan:#22D3EE;
      --purple:#8B5CFF;
      --pink:#FF5CA8;
      --amber:#FFD166;
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --shadow:0 22px 70px rgba(0,0,0,.38);
      --glow:0 0 42px rgba(47,128,255,.25);
      --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 10% 2%,rgba(47,128,255,.22),transparent 34%),
        radial-gradient(circle at 86% 18%,rgba(139,92,255,.20),transparent 32%),
        radial-gradient(circle at 70% 82%,rgba(34,211,238,.11),transparent 30%),
        linear-gradient(180deg,var(--bg),#071326 48%,#060B18);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(180deg,transparent,rgba(77,163,255,.035),transparent);
      background-size:54px 54px,54px 54px,100% 9px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.35),rgba(0,0,0,.9));
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover,a:focus{color:var(--blue-2)}
    button,input{font-family:inherit}
    img{max-width:100%;display:block}
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(2.15rem,5vw,3.75rem);
      line-height:1.12;
      font-weight:800;
      letter-spacing:-.04em;
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(1.75rem,3.5vw,2.55rem);
      line-height:1.2;
      font-weight:780;
      letter-spacing:-.03em;
      margin-bottom:16px;
    }
    h3{
      font-size:1.25rem;
      line-height:1.35;
      font-weight:760;
      margin-bottom:10px;
    }
    p{color:var(--muted);font-size:1.03rem}
    .grid-container{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:99;
      background:rgba(6,11,24,.76);
      backdrop-filter:blur(20px) saturate(140%);
      border-bottom:1px solid rgba(255,255,255,.10);
      box-shadow:0 10px 40px rgba(0,0,0,.20);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:258px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      position:relative;
      background:linear-gradient(135deg,rgba(47,128,255,.98),rgba(139,92,255,.92));
      box-shadow:0 0 32px rgba(47,128,255,.42);
      flex:0 0 auto;
      overflow:hidden;
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      left:16px;
      top:11px;
      border-left:13px solid white;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      opacity:.95;
    }
    .brand-mark:after{
      content:"字幕";
      position:absolute;
      left:7px;
      right:7px;
      bottom:5px;
      height:3px;
      border-radius:999px;
      background:rgba(255,209,102,.9);
      font-size:0;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.25;
    }
    .brand-title{
      font-size:1rem;
      font-weight:800;
      color:var(--text);
      white-space:nowrap;
      letter-spacing:-.02em;
    }
    .brand-sub{
      font-size:.74rem;
      color:var(--weak);
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:.95rem;
      font-weight:650;
      position:relative;
    }
    .nav-links a:hover{
      color:var(--text);
      background:rgba(77,163,255,.12);
    }
    .nav-links a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(47,128,255,.24),rgba(139,92,255,.18));
      border:1px solid rgba(77,163,255,.25);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:382px;
      justify-content:flex-end;
    }
    .search-mini{
      position:relative;
      width:210px;
    }
    .search-mini input{
      width:100%;
      height:42px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:var(--text);
      padding:0 42px 0 16px;
      outline:none;
      font-size:.92rem;
      box-shadow:inset 0 0 0 1px rgba(0,0,0,.08);
      transition:.22s ease;
    }
    .search-mini input::placeholder{color:#7888a5}
    .search-mini input:focus{
      border-color:rgba(77,163,255,.68);
      box-shadow:0 0 0 4px rgba(47,128,255,.12);
      background:rgba(255,255,255,.08);
    }
    .search-mini span{
      position:absolute;
      right:14px;
      top:50%;
      transform:translateY(-50%);
      color:var(--blue-2);
      font-size:1rem;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      min-height:46px;
      padding:0 20px;
      font-weight:760;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      line-height:1;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      box-shadow:0 12px 34px rgba(47,128,255,.30),0 0 0 1px rgba(255,255,255,.08) inset;
    }
    .btn-primary:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 46px rgba(47,128,255,.40),0 0 34px rgba(139,92,255,.24);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.15);
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(77,163,255,.13);
      border-color:rgba(77,163,255,.36);
      transform:translateY(-2px);
    }
    .btn-small{min-height:38px;padding:0 15px;font-size:.9rem}
    .btn:focus-visible,.nav-links a:focus-visible,.footer a:focus-visible,summary:focus-visible{
      outline:3px solid rgba(255,209,102,.75);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.06);
      color:#fff;
      font-size:1.35rem;
    }
    .hero{
      position:relative;
      padding:92px 0 82px;
    }
    .hero:after{
      content:"";
      position:absolute;
      width:440px;
      height:440px;
      right:-120px;
      top:80px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,92,168,.14),transparent 62%);
      pointer-events:none;
      z-index:-1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:#dcecff;
      background:rgba(47,128,255,.12);
      border:1px solid rgba(77,163,255,.28);
      border-radius:999px;
      padding:8px 13px;
      font-size:.88rem;
      font-weight:700;
      margin-bottom:22px;
      box-shadow:0 0 28px rgba(47,128,255,.13);
    }
    .eyebrow .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 16px rgba(255,209,102,.75);
    }
    .hero-lead{
      font-size:1.16rem;
      max-width:620px;
      margin-bottom:30px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:28px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted);
      font-size:.92rem;
    }
    .chip,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      font-size:.82rem;
      font-weight:720;
      color:#ddecff;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .chip.hot{color:#fff1c7;background:rgba(255,209,102,.12);border-color:rgba(255,209,102,.28)}
    .chip.blue{background:rgba(47,128,255,.13);border-color:rgba(77,163,255,.30)}
    .chip.purple{background:rgba(139,92,255,.13);border-color:rgba(139,92,255,.30)}
    .glass-card{
      background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.055));
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px) saturate(130%);
      position:relative;
      overflow:hidden;
    }
    .glass-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(77,163,255,.15),transparent 38%,rgba(139,92,255,.12));
      pointer-events:none;
      opacity:.75;
    }
    .dashboard{
      padding:26px;
      min-height:536px;
      transform:translateY(4px);
    }
    .dashboard > *{position:relative;z-index:1}
    .dash-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      margin-bottom:18px;
      gap:14px;
    }
    .dash-title{
      font-weight:800;
      color:#fff;
    }
    .status-pill{
      color:#aff6ff;
      background:rgba(34,211,238,.11);
      border:1px solid rgba(34,211,238,.28);
      border-radius:999px;
      padding:6px 10px;
      font-size:.78rem;
      font-weight:720;
    }
    .preview-cover{
      height:190px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 22% 18%,rgba(77,163,255,.55),transparent 24%),
        radial-gradient(circle at 76% 20%,rgba(255,92,168,.25),transparent 26%),
        linear-gradient(135deg,rgba(10,22,46,.94),rgba(28,18,54,.86));
      position:relative;
      overflow:hidden;
      margin-bottom:18px;
    }
    .preview-cover:before{
      content:"";
      position:absolute;
      width:150px;
      height:210px;
      left:50%;
      bottom:-56px;
      transform:translateX(-50%);
      border-radius:70px 70px 24px 24px;
      background:linear-gradient(180deg,rgba(234,242,255,.20),rgba(234,242,255,.035));
      filter:blur(1px);
    }
    .preview-cover:after{
      content:"中文字幕";
      position:absolute;
      left:18px;
      bottom:18px;
      padding:6px 12px;
      border-radius:999px;
      font-size:.84rem;
      font-weight:800;
      color:#121827;
      background:var(--amber);
      box-shadow:0 8px 22px rgba(255,209,102,.22);
    }
    .dash-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-bottom:16px;
    }
    .mini-panel{
      border-radius:20px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.10);
      padding:15px;
    }
    .mini-label{
      color:var(--weak);
      font-size:.8rem;
      margin-bottom:6px;
    }
    .mini-value{
      color:#fff;
      font-weight:800;
      font-size:1.18rem;
    }
    .progress-list{
      display:grid;
      gap:12px;
    }
    .progress-item{
      display:grid;
      grid-template-columns:92px 1fr 36px;
      gap:10px;
      align-items:center;
      font-size:.84rem;
      color:var(--muted);
    }
    .bar{
      height:8px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--blue-2),var(--purple));
      box-shadow:0 0 16px rgba(77,163,255,.35);
    }
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:70px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-head.center{
      text-align:center;
      margin-left:auto;
      margin-right:auto;
    }
    .section-kicker{
      color:var(--cyan);
      font-weight:800;
      letter-spacing:.04em;
      font-size:.9rem;
      margin-bottom:8px;
    }
    .pain-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 420px;
      gap:28px;
      align-items:stretch;
    }
    .pain-list{
      display:grid;
      gap:15px;
    }
    .pain-item{
      display:flex;
      gap:15px;
      align-items:flex-start;
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      transition:.22s ease;
    }
    .pain-item:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.08);
      border-color:rgba(77,163,255,.30);
      box-shadow:var(--glow);
    }
    .pain-num{
      width:38px;
      height:38px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:820;
      background:linear-gradient(135deg,rgba(47,128,255,.9),rgba(139,92,255,.86));
      flex:0 0 auto;
    }
    .timeline-card{
      padding:28px;
    }
    .timeline{
      position:relative;
      padding-left:18px;
      display:grid;
      gap:22px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:5px;
      top:6px;
      bottom:8px;
      width:2px;
      background:linear-gradient(var(--blue-2),var(--purple),transparent);
    }
    .timeline-step{
      position:relative;
      padding-left:20px;
    }
    .timeline-step:before{
      content:"";
      position:absolute;
      left:-18px;
      top:7px;
      width:12px;
      height:12px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(34,211,238,.72);
    }
    .bento{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:20px;
    }
    .bento-card{
      padding:24px;
      min-height:220px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.11);
      backdrop-filter:blur(16px);
      transition:.24s ease;
      overflow:hidden;
      position:relative;
    }
    .bento-card:hover{
      transform:translateY(-4px);
      border-color:rgba(77,163,255,.35);
      box-shadow:var(--glow);
    }
    .bento-card.large{
      grid-row:span 2;
      min-height:460px;
      background:
        radial-gradient(circle at 80% 10%,rgba(139,92,255,.18),transparent 36%),
        rgba(255,255,255,.07);
    }
    .icon-box{
      width:48px;
      height:48px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      background:linear-gradient(135deg,rgba(47,128,255,.23),rgba(34,211,238,.12));
      border:1px solid rgba(77,163,255,.25);
      color:#fff;
      font-size:1.35rem;
      margin-bottom:18px;
    }
    .subtitle-lines{
      margin-top:24px;
      border-radius:22px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.10);
      padding:18px;
      display:grid;
      gap:11px;
    }
    .subtitle-line{
      height:13px;
      border-radius:999px;
      background:linear-gradient(90deg,rgba(255,209,102,.72),rgba(255,255,255,.18));
    }
    .subtitle-line:nth-child(2){width:84%;background:linear-gradient(90deg,rgba(77,163,255,.66),rgba(255,255,255,.13))}
    .subtitle-line:nth-child(3){width:62%;background:linear-gradient(90deg,rgba(139,92,255,.62),rgba(255,255,255,.12))}
    .stats-panel{
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,rgba(47,128,255,.12),rgba(139,92,255,.08));
      border:1px solid rgba(77,163,255,.22);
    }
    .stat{
      padding:22px;
      border-radius:22px;
      background:rgba(0,0,0,.16);
      border:1px solid rgba(255,255,255,.09);
      height:100%;
    }
    .stat strong{
      display:block;
      font-size:2.25rem;
      line-height:1;
      color:#fff;
      letter-spacing:-.04em;
      margin-bottom:8px;
    }
    .stat span{
      color:var(--muted);
      font-size:.95rem;
    }
    .channel-scroller{
      display:flex;
      gap:20px;
      overflow-x:auto;
      padding:8px 4px 20px;
      scroll-snap-type:x mandatory;
      scrollbar-color:rgba(77,163,255,.55) rgba(255,255,255,.05);
    }
    .channel-card{
      flex:0 0 360px;
      scroll-snap-align:start;
      border-radius:26px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.11);
      overflow:hidden;
      transition:.24s ease;
    }
    .channel-card:hover{
      transform:translateY(-5px);
      border-color:rgba(77,163,255,.34);
      box-shadow:var(--glow);
    }
    .cover{
      height:168px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 24% 20%,rgba(47,128,255,.48),transparent 28%),
        radial-gradient(circle at 75% 30%,rgba(139,92,255,.40),transparent 32%),
        linear-gradient(135deg,#0b1832,#22183f);
    }
    .cover:before{
      content:"";
      position:absolute;
      inset:22px 28px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.13);
      background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.025));
      transform:skewX(-5deg);
    }
    .cover:after{
      content:"▶";
      position:absolute;
      right:22px;
      bottom:18px;
      width:42px;
      height:42px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.20);
      color:#fff;
      backdrop-filter:blur(8px);
    }
    .channel-body{padding:20px}
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:14px 0 18px;
    }
    .muted-small{color:var(--weak);font-size:.88rem}
    .scene-wrap{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:20px;
    }
    .quote-card{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.11);
      min-height:250px;
      transition:.22s ease;
    }
    .quote-card:hover{
      transform:translateY(-4px);
      border-color:rgba(77,163,255,.28);
      background:rgba(255,255,255,.08);
    }
    .quote-mark{
      font-size:2.5rem;
      line-height:1;
      color:var(--blue-2);
      opacity:.8;
    }
    .quote-author{
      margin-top:18px;
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:750;
    }
    .avatar{
      width:40px;
      height:40px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--blue),var(--purple));
      box-shadow:0 0 24px rgba(47,128,255,.28);
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.11);
      transition:.2s ease;
    }
    .accordion-item.is-active{
      border-color:rgba(77,163,255,.38);
      box-shadow:0 0 28px rgba(47,128,255,.12);
    }
    .accordion-title{
      color:#fff;
      font-size:1.06rem;
      font-weight:760;
      padding:20px 54px 20px 22px;
      border:none;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:#fff;
      background:rgba(77,163,255,.08);
    }
    .accordion-title:before{
      right:22px;
      color:var(--cyan);
      font-size:1.4rem;
      margin-top:-.7rem;
    }
    .accordion-content{
      background:rgba(0,0,0,.12);
      border:none;
      color:var(--muted);
      padding:0 22px 22px;
    }
    .cta-band{
      padding:42px;
      border-radius:32px;
      background:
        radial-gradient(circle at 15% 20%,rgba(47,128,255,.23),transparent 32%),
        radial-gradient(circle at 86% 50%,rgba(139,92,255,.24),transparent 34%),
        linear-gradient(135deg,rgba(255,255,255,.105),rgba(255,255,255,.055));
      border:1px solid rgba(77,163,255,.24);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .cta-band:before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      opacity:.8;
    }
    .cta-band p{max-width:720px}
    .footer{
      padding:62px 0 30px;
      background:rgba(0,0,0,.20);
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer h3,.footer h4{color:#fff}
    .footer h4{
      font-size:1rem;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer p,.footer a,.footer li{
      color:var(--muted);
      font-size:.94rem;
    }
    .footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
    .compliance{
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,209,102,.08);
      border:1px solid rgba(255,209,102,.20);
      color:#ffe7a3;
      font-size:.92rem;
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.09);
      color:var(--weak);
      font-size:.88rem;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1100px){
      .nav-wrap{flex-wrap:wrap;padding:14px 0}
      .brand{min-width:auto}
      .nav-actions{min-width:auto}
      .search-mini{width:190px}
      .pain-layout{grid-template-columns:1fr}
      .bento{grid-template-columns:1fr 1fr}
      .bento-card.large{grid-row:auto;grid-column:span 2;min-height:340px}
    }
    @media (max-width:860px){
      .site-header{position:sticky}
      .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-wrap{min-height:68px}
      .nav-links{
        order:3;
        width:100%;
        justify-content:flex-start;
        overflow-x:auto;
        padding-bottom:4px;
        display:none;
      }
      .site-header.menu-open .nav-links{display:flex}
      .nav-actions .search-mini{display:none}
      .nav-actions .btn-ghost{display:none}
      .nav-actions{gap:8px}
      .hero{padding:62px 0 56px}
      .dashboard{min-height:auto;margin-top:30px}
      .scene-wrap{grid-template-columns:1fr}
      .channel-card{flex-basis:310px}
      .section{padding:66px 0}
    }
    @media (max-width:640px){
      .brand-title{font-size:.88rem;max-width:205px;overflow:hidden;text-overflow:ellipsis}
      .brand-sub{display:none}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .nav-actions .btn-primary{padding:0 14px;min-height:42px;font-size:.9rem}
      .hero-actions .btn{width:100%}
      .trust-row .chip{width:100%;justify-content:center}
      .dash-grid{grid-template-columns:1fr}
      .progress-item{grid-template-columns:82px 1fr 34px}
      .bento{grid-template-columns:1fr}
      .bento-card.large{grid-column:auto;min-height:300px}
      .stats-panel{padding:18px}
      .stat{padding:18px}
      .channel-card{flex-basis:86vw}
      .cta-band{padding:28px 20px;border-radius:24px}
      .footer{padding-top:46px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root {
      --bg-0: #060B18;
      --bg-1: #08111F;
      --bg-2: #0B1020;
      --panel: rgba(255, 255, 255, .065);
      --panel-strong: rgba(255, 255, 255, .095);
      --panel-soft: rgba(255, 255, 255, .045);
      --line: rgba(255, 255, 255, .12);
      --line-blue: rgba(77, 163, 255, .28);
      --primary: #2F80FF;
      --primary-2: #4DA3FF;
      --cyan: #22D3EE;
      --violet: #8B5CFF;
      --pink: #FF5CA8;
      --amber: #FFD166;
      --text: #EAF2FF;
      --muted: #A9B8D3;
      --weak: #6F7E99;
      --shadow: 0 18px 60px rgba(0, 0, 0, .36);
      --glow: 0 0 36px rgba(47, 128, 255, .28);
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-pill: 999px;
      --header-h: 78px;
      --transition: .22s ease;
      --font-cn: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font-cn);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 10% 0%, rgba(47, 128, 255, .24), transparent 32%),
        radial-gradient(circle at 88% 14%, rgba(139, 92, 255, .20), transparent 34%),
        radial-gradient(circle at 72% 78%, rgba(34, 211, 238, .10), transparent 30%),
        linear-gradient(180deg, var(--bg-0), var(--bg-1) 45%, var(--bg-2));
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .34;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.2));
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background: repeating-linear-gradient(
        180deg,
        rgba(255,255,255,.026) 0,
        rgba(255,255,255,.026) 1px,
        transparent 1px,
        transparent 9px
      );
      opacity: .18;
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    a:hover,
    a:focus {
      color: var(--text);
    }

    button,
    input,
    select {
      font-family: inherit;
    }

    button {
      cursor: pointer;
    }

    input,
    select {
      color: var(--text);
    }

    input::placeholder {
      color: rgba(169, 184, 211, .68);
    }

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

    h1,
    h2,
    h3,
    h4,
    p {
      margin-top: 0;
    }

    h1 {
      font-size: clamp(2.05rem, 4vw, 3.5rem);
      line-height: 1.12;
      font-weight: 800;
      letter-spacing: -.045em;
      margin-bottom: 22px;
    }

    h2 {
      font-size: clamp(1.65rem, 3vw, 2.45rem);
      line-height: 1.2;
      font-weight: 780;
      letter-spacing: -.035em;
      margin-bottom: 16px;
    }

    h3 {
      font-size: 1.22rem;
      line-height: 1.35;
      font-weight: 740;
      margin-bottom: 10px;
    }

    h4 {
      font-size: 1rem;
      font-weight: 740;
      margin-bottom: 14px;
      color: var(--text);
    }

    p {
      color: var(--muted);
      font-size: 1rem;
    }

    .grid-container {
      max-width: 1220px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      min-height: var(--header-h);
      background: rgba(6, 11, 24, .74);
      backdrop-filter: blur(18px) saturate(135%);
      border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .nav-wrap {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      min-width: 252px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: inline-block;
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.45), transparent 22%),
        linear-gradient(135deg, var(--primary), var(--violet));
      box-shadow: 0 0 26px rgba(47, 128, 255, .42);
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      left: 16px;
      top: 12px;
      width: 0;
      height: 0;
      border-top: 9px solid transparent;
      border-bottom: 9px solid transparent;
      border-left: 13px solid rgba(255,255,255,.92);
      filter: drop-shadow(0 0 8px rgba(255,255,255,.45));
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 9px;
      right: 9px;
      bottom: 9px;
      height: 4px;
      border-radius: 99px;
      background: rgba(255, 209, 102, .92);
      box-shadow: 0 -8px 0 rgba(255,255,255,.16);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-title {
      font-weight: 800;
      font-size: .98rem;
      letter-spacing: -.02em;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-sub {
      font-size: .76rem;
      color: var(--weak);
      margin-top: 3px;
      white-space: nowrap;
    }

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

    .nav-links a {
      position: relative;
      color: var(--muted);
      font-size: .94rem;
      font-weight: 700;
      padding: 10px 15px;
      border-radius: var(--radius-pill);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 5px;
      height: 2px;
      border-radius: 99px;
      background: linear-gradient(90deg, var(--primary), var(--cyan));
      transform: scaleX(0);
      transform-origin: center;
      transition: transform var(--transition);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(77, 163, 255, .10);
    }

    .nav-links a.active::after,
    .nav-links a:hover::after {
      transform: scaleX(1);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .search-mini {
      width: 245px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 13px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.055);
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .search-mini:focus-within {
      border-color: rgba(77, 163, 255, .72);
      box-shadow: 0 0 0 4px rgba(47,128,255,.14);
      background: rgba(255,255,255,.075);
    }

    .search-mini input {
      width: 100%;
      height: 38px;
      border: 0;
      box-shadow: none;
      margin: 0;
      padding: 0;
      background: transparent;
      color: var(--text);
      font-size: .88rem;
    }

    .search-mini input:focus {
      border: 0;
      box-shadow: none;
      background: transparent;
    }

    .search-mini span {
      color: var(--primary-2);
      font-size: 1.05rem;
      line-height: 1;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 14px;
      background: rgba(255,255,255,.07);
      color: var(--text);
      font-size: 1.25rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
      font-weight: 760;
      line-height: 1.1;
      white-space: nowrap;
      min-height: 46px;
      padding: 0 21px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition), filter var(--transition);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:focus-visible,
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(255, 209, 102, .45);
      outline-offset: 3px;
    }

    .btn-primary {
      color: white;
      background: linear-gradient(135deg, var(--primary), var(--violet));
      box-shadow: 0 14px 32px rgba(47,128,255,.24), 0 0 26px rgba(139,92,255,.18);
    }

    .btn-primary:hover {
      color: white;
      filter: brightness(1.08);
      box-shadow: 0 18px 42px rgba(47,128,255,.36), 0 0 34px rgba(139,92,255,.25);
    }

    .btn-ghost {
      color: var(--text);
      border-color: rgba(77,163,255,.28);
      background: rgba(255,255,255,.055);
    }

    .btn-ghost:hover {
      color: var(--text);
      border-color: rgba(77,163,255,.55);
      background: rgba(47,128,255,.12);
      box-shadow: 0 0 24px rgba(47,128,255,.13);
    }

    .btn-small {
      min-height: 40px;
      padding: 0 15px;
      font-size: .9rem;
    }

    .main {
      position: relative;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-compact {
      padding: 70px 0;
    }

    .eyebrow,
    .badge,
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: var(--radius-pill);
      line-height: 1;
      white-space: nowrap;
    }

    .eyebrow {
      padding: 9px 13px;
      color: #DCEBFF;
      font-size: .84rem;
      font-weight: 760;
      border: 1px solid rgba(77,163,255,.25);
      background: rgba(47,128,255,.10);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(34,211,238,.75);
    }

    .hero-channel {
      padding: 66px 0 42px;
      overflow: hidden;
    }

    .hero-panel {
      position: relative;
      padding: 34px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg, rgba(255,255,255,.105), rgba(255,255,255,.045)),
        radial-gradient(circle at 88% 8%, rgba(139,92,255,.22), transparent 34%),
        radial-gradient(circle at 12% 90%, rgba(47,128,255,.18), transparent 36%);
      box-shadow: var(--shadow);
      backdrop-filter: blur(20px) saturate(135%);
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0 8%, rgba(255,255,255,.045) 8.2%, transparent 8.6%),
        repeating-linear-gradient(0deg, transparent 0 22px, rgba(255,255,255,.035) 23px, transparent 24px);
      opacity: .38;
      pointer-events: none;
    }

    .hero-panel > * {
      position: relative;
      z-index: 1;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
      color: var(--weak);
      font-size: .92rem;
    }

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

    .breadcrumb a:hover {
      color: var(--primary-2);
    }

    .hero-desc {
      max-width: 760px;
      font-size: 1.08rem;
      margin-bottom: 24px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 24px 0 0;
    }

    .chip {
      min-height: 34px;
      padding: 0 13px;
      font-size: .86rem;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
    }

    .chip.active,
    .chip:hover {
      color: var(--text);
      border-color: rgba(77,163,255,.45);
      background: rgba(47,128,255,.13);
    }

    .chip.amber {
      color: #ffe8aa;
      border-color: rgba(255,209,102,.32);
      background: rgba(255,209,102,.105);
    }

    .channel-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 8px;
    }

    .metric-card {
      padding: 18px;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(6,11,24,.34);
      backdrop-filter: blur(16px);
    }

    .metric-card strong {
      display: block;
      font-size: 1.58rem;
      line-height: 1.1;
      color: var(--text);
      letter-spacing: -.03em;
      margin-bottom: 8px;
    }

    .metric-card span {
      display: block;
      color: var(--muted);
      font-size: .88rem;
      line-height: 1.5;
    }

    .filter-panel {
      margin-top: 24px;
      padding: 22px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(77,163,255,.22);
      background: rgba(255,255,255,.065);
      box-shadow: 0 18px 48px rgba(0,0,0,.22);
      backdrop-filter: blur(18px) saturate(130%);
    }

    .filter-panel label {
      color: var(--muted);
      font-size: .86rem;
      font-weight: 720;
      margin-bottom: 8px;
    }

    .filter-panel input,
    .filter-panel select {
      height: 48px;
      margin: 0;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.13);
      background: rgba(5,10,22,.62);
      box-shadow: none;
      color: var(--text);
      padding: 0 14px;
    }

    .filter-panel input:focus,
    .filter-panel select:focus {
      border-color: rgba(77,163,255,.70);
      box-shadow: 0 0 0 4px rgba(47,128,255,.13);
      background: rgba(5,10,22,.76);
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .filter-chips button {
      min-height: 36px;
      padding: 0 14px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.055);
      color: var(--muted);
      font-size: .88rem;
      font-weight: 720;
      transition: all var(--transition);
    }

    .filter-chips button:hover,
    .filter-chips button.is-active {
      color: var(--text);
      border-color: rgba(77,163,255,.48);
      background: rgba(47,128,255,.15);
      transform: translateY(-2px);
    }

    .section-heading {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 22px;
      margin-bottom: 30px;
    }

    .section-heading p {
      max-width: 620px;
      margin-bottom: 0;
    }

    .featured-banner {
      padding: 26px;
      min-height: 245px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(77,163,255,.28);
      background:
        linear-gradient(135deg, rgba(47,128,255,.16), rgba(139,92,255,.10)),
        rgba(255,255,255,.055);
      box-shadow: var(--shadow), var(--glow);
      display: grid;
      grid-template-columns: 1fr 1.05fr;
      gap: 28px;
      align-items: center;
      overflow: hidden;
      backdrop-filter: blur(18px);
    }

    .abstract-cover {
      position: relative;
      min-height: 220px;
      border-radius: 26px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 34% 28%, rgba(255,255,255,.18), transparent 18%),
        radial-gradient(circle at 62% 46%, rgba(139,92,255,.48), transparent 24%),
        radial-gradient(circle at 28% 78%, rgba(34,211,238,.30), transparent 28%),
        linear-gradient(135deg, rgba(7,15,35,.96), rgba(13,21,45,.90));
    }

    .abstract-cover::before {
      content: "";
      position: absolute;
      left: 18%;
      top: 20%;
      width: 38%;
      height: 62%;
      border-radius: 44% 44% 16% 16%;
      background:
        linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.035));
      filter: blur(1px);
      opacity: .42;
    }

    .abstract-cover::after {
      content: "中文字幕";
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: rgba(255,255,255,.9);
      font-weight: 800;
      letter-spacing: .08em;
      background: rgba(0,0,0,.42);
      border: 1px solid rgba(255,255,255,.16);
      box-shadow: 0 -18px 44px rgba(47,128,255,.16);
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin: 15px 0 18px;
    }

    .badge {
      min-height: 30px;
      padding: 0 10px;
      font-size: .78rem;
      font-weight: 760;
      color: var(--muted);
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(255,255,255,.12);
    }

    .badge.subtitle {
      color: #ffe8aa;
      background: rgba(255,209,102,.10);
      border-color: rgba(255,209,102,.28);
    }

    .badge.hot {
      color: #ffd4e6;
      background: rgba(255,92,168,.105);
      border-color: rgba(255,92,168,.26);
    }

    .content-layout {
      align-items: flex-start;
    }

    .item-list {
      display: grid;
      gap: 18px;
    }

    .index-card {
      position: relative;
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 20px;
      padding: 18px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255,255,255,.115);
      background: rgba(255,255,255,.06);
      box-shadow: 0 14px 42px rgba(0,0,0,.20);
      backdrop-filter: blur(18px) saturate(130%);
      overflow: hidden;
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .index-card:hover {
      transform: translateY(-4px);
      border-color: rgba(77,163,255,.42);
      background: rgba(255,255,255,.078);
      box-shadow: 0 20px 54px rgba(0,0,0,.30), 0 0 30px rgba(47,128,255,.14);
    }

    .thumb {
      position: relative;
      min-height: 132px;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.11);
      background:
        radial-gradient(circle at 28% 28%, rgba(255,255,255,.16), transparent 15%),
        radial-gradient(circle at 65% 32%, rgba(47,128,255,.36), transparent 28%),
        radial-gradient(circle at 55% 80%, rgba(139,92,255,.30), transparent 30%),
        linear-gradient(145deg, rgba(8,17,37,.95), rgba(16,25,52,.92));
    }

    .thumb::before {
      content: "";
      position: absolute;
      inset: 13px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(90deg, transparent, rgba(255,255,255,.055), transparent),
        repeating-linear-gradient(90deg, rgba(255,255,255,.06) 0 2px, transparent 2px 13px);
      opacity: .65;
    }

    .thumb::after {
      content: "";
      position: absolute;
      left: 18px;
      bottom: 18px;
      width: 72%;
      height: 12px;
      border-radius: 999px;
      background: rgba(255,209,102,.82);
      box-shadow: 0 -18px 0 rgba(255,255,255,.10);
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      color: var(--weak);
      font-size: .86rem;
      margin: 10px 0 16px;
    }

    .card-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .card-meta span::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: rgba(77,163,255,.85);
      box-shadow: 0 0 10px rgba(77,163,255,.5);
    }

    .card-actions {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-top: 14px;
    }

    .quiet-note {
      color: var(--weak);
      font-size: .86rem;
      margin: 0;
    }

    .side-panel {
      position: sticky;
      top: 100px;
      display: grid;
      gap: 18px;
    }

    .glass-card {
      border: 1px solid rgba(255,255,255,.115);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.06);
      box-shadow: 0 16px 48px rgba(0,0,0,.24);
      backdrop-filter: blur(18px) saturate(130%);
      overflow: hidden;
    }

    .side-card {
      padding: 22px;
    }

    .trend-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 12px;
    }

    .trend-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
    }

    .trend-name {
      display: flex;
      flex-direction: column;
      gap: 3px;
    }

    .trend-name strong {
      color: var(--text);
      font-size: .94rem;
    }

    .trend-name span {
      color: var(--weak);
      font-size: .78rem;
    }

    .trend-score {
      min-width: 46px;
      text-align: center;
      color: var(--cyan);
      font-weight: 800;
      font-size: .92rem;
    }

    .mini-timeline {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 14px;
    }

    .mini-timeline li {
      position: relative;
      padding-left: 20px;
      color: var(--muted);
      font-size: .92rem;
    }

    .mini-timeline li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .72em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary-2);
      box-shadow: 0 0 14px rgba(77,163,255,.55);
    }

    .explain-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: stretch;
    }

    .explain-copy,
    .process-card {
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.058);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
    }

    .process-steps {
      list-style: none;
      padding: 0;
      margin: 22px 0 0;
      display: grid;
      gap: 14px;
      counter-reset: step;
    }

    .process-steps li {
      counter-increment: step;
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: flex-start;
      padding: 15px;
      border-radius: 18px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
    }

    .process-steps li::before {
      content: counter(step);
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 820;
      background: linear-gradient(135deg, var(--primary), var(--violet));
      box-shadow: 0 0 24px rgba(47,128,255,.22);
    }

    .process-steps strong {
      display: block;
      margin-bottom: 2px;
      color: var(--text);
    }

    .process-steps span {
      color: var(--muted);
      font-size: .94rem;
    }

    .note-box {
      margin-top: 22px;
      padding: 16px 18px;
      border-radius: 18px;
      color: #ffedbd;
      background: rgba(255,209,102,.095);
      border: 1px solid rgba(255,209,102,.24);
      font-size: .94rem;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 0 auto;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 14px;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.06);
      backdrop-filter: blur(18px);
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .accordion-item.is-active {
      border-color: rgba(77,163,255,.44);
      box-shadow: 0 0 30px rgba(47,128,255,.12);
    }

    .accordion-title {
      border: 0 !important;
      color: var(--text) !important;
      background: transparent !important;
      font-weight: 760;
      font-size: 1.02rem;
      padding: 19px 22px;
    }

    .accordion-title::before {
      color: var(--primary-2);
      font-size: 1.2rem;
      margin-top: -.7rem;
    }

    .accordion-content {
      border: 0 !important;
      color: var(--muted);
      background: rgba(0,0,0,.08) !important;
      padding: 0 22px 20px;
      line-height: 1.75;
    }

    .cta-band {
      position: relative;
      padding: 34px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(77,163,255,.25);
      background:
        radial-gradient(circle at 10% 20%, rgba(47,128,255,.22), transparent 30%),
        radial-gradient(circle at 86% 36%, rgba(139,92,255,.18), transparent 35%),
        rgba(255,255,255,.065);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      backdrop-filter: blur(18px);
    }

    .cta-band::after {
      content: "";
      position: absolute;
      inset: auto -10% -46% 16%;
      height: 190px;
      background: linear-gradient(90deg, transparent, rgba(34,211,238,.14), rgba(139,92,255,.14), transparent);
      transform: rotate(-4deg);
      filter: blur(10px);
    }

    .cta-band > * {
      position: relative;
      z-index: 1;
    }

    .cta-actions {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .footer {
      padding: 72px 0 30px;
      border-top: 1px solid rgba(255,255,255,.10);
      background:
        radial-gradient(circle at 20% 0%, rgba(47,128,255,.12), transparent 28%),
        rgba(3,7,16,.78);
    }

    .footer-brand {
      display: flex;
      gap: 12px;
      align-items: center;
      margin-bottom: 18px;
    }

    .footer p {
      max-width: 520px;
      font-size: .95rem;
    }

    .muted-small {
      color: var(--weak);
      font-size: .82rem;
      margin-top: 2px;
    }

    .compliance {
      margin-top: 18px;
      padding: 14px 16px;
      border-radius: 18px;
      color: #ffe9b2;
      background: rgba(255,209,102,.08);
      border: 1px solid rgba(255,209,102,.22);
      font-size: .9rem;
      line-height: 1.65;
    }

    .footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer li,
    .footer a {
      color: var(--muted);
      font-size: .94rem;
    }

    .footer a:hover {
      color: var(--primary-2);
    }

    .copyright {
      margin-top: 46px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.10);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--weak);
      font-size: .86rem;
      flex-wrap: wrap;
    }

    @media (max-width: 1180px) {
      .brand {
        min-width: auto;
      }

      .brand-sub {
        display: none;
      }

      .search-mini {
        width: 205px;
      }

      .nav-links a {
        padding-inline: 12px;
      }
    }

    @media (max-width: 1024px) {
      .site-header {
        position: sticky;
      }

      .nav-wrap {
        flex-wrap: wrap;
        padding: 14px 0;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        order: 2;
      }

      .brand {
        order: 1;
      }

      .nav-links {
        order: 4;
        flex: 1 0 100%;
        display: none;
        justify-content: flex-start;
        padding: 12px;
        border-radius: 20px;
        border: 1px solid rgba(255,255,255,.10);
        background: rgba(255,255,255,.055);
      }

      .nav-links.is-open {
        display: flex;
      }

      .nav-actions {
        order: 3;
        margin-left: auto;
      }

      .search-mini {
        display: none;
      }

      .hero-channel {
        padding-top: 44px;
      }

      .featured-banner,
      .explain-grid {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
        margin-top: 22px;
      }

      .section {
        padding: 76px 0;
      }
    }

    @media (max-width: 760px) {
      :root {
        --header-h: auto;
      }

      .grid-container {
        padding-left: 18px;
        padding-right: 18px;
      }

      .brand-title {
        max-width: 205px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-actions {
        flex: 1 0 100%;
        width: 100%;
        justify-content: space-between;
      }

      .nav-actions .btn {
        flex: 1 1 0;
      }

      .nav-links {
        flex-direction: column;
        align-items: stretch;
      }

      .nav-links a {
        width: 100%;
      }

      .hero-panel,
      .cta-band,
      .explain-copy,
      .process-card {
        padding: 24px;
        border-radius: 26px;
      }

      .channel-metrics {
        grid-template-columns: 1fr;
      }

      .section-heading {
        align-items: flex-start;
        flex-direction: column;
      }

      .featured-banner {
        padding: 20px;
        gap: 20px;
      }

      .index-card {
        grid-template-columns: 1fr;
      }

      .thumb,
      .abstract-cover {
        min-height: 180px;
      }

      .card-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .card-actions .btn {
        width: 100%;
      }

      .cta-actions {
        justify-content: stretch;
      }

      .cta-actions .btn {
        width: 100%;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 2rem;
      }

      h2 {
        font-size: 1.55rem;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .brand-title {
        font-size: .9rem;
        max-width: 178px;
      }

      .btn-small {
        padding: 0 12px;
        font-size: .84rem;
      }

      .filter-panel {
        padding: 18px;
      }

      .hero-tags,
      .filter-chips,
      .badge-row {
        gap: 8px;
      }

      .chip,
      .badge {
        white-space: normal;
      }
    }