:root {
      --primary: #A3E635;
      --primary-hover: #bef264;
      --secondary: #2563EB;
      --privacy-accent: #E2E8F0;
      --crypto-accent: #64748B;
      --bg-dark: #050505;
      --bg-card: #101114;
      --bg-light-card: #F8FAFC;
      --text-light: #F8FAFC;
      --text-dark: #111827;
      --text-muted: #CBD5E1;
      --border-color: rgba(163, 230, 53, 0.22);
      --border-soft: rgba(226, 232, 240, 0.1);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html, body { width: 100%; margin: 0; overflow-x: hidden; }
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-dark);
      color: var(--text-light);
      line-height: 1.6;
    }
    a { color: var(--primary); text-decoration: none; }

    
    .site-header {
      position: sticky; top: 0; z-index: 1000; width: 100%; background: rgba(5, 5, 5, 0.90); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-color);
    }
    .header-inner {
      width: min(1200px, calc(100% - 32px)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 18px;
    }
    .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
    .logo img { height: 36px; max-width: 150px; object-fit: contain; }
    .logo span { font-size: 18px; font-weight: 800; color: var(--text-light); }
    .desktop-nav-wrap { display: flex; justify-content: flex-end; flex: 1; }
    .desktop-nav { display: flex; gap: 8px; }
    .desktop-nav a { padding: 8px 14px; border-radius: 99px; color: var(--text-muted); font-size: 14px; font-weight: 700; }
    .desktop-nav a:hover { color: var(--text-light); background: rgba(163, 230, 53, 0.18); }
    .mobile-menu-btn {
      display: none; width: 44px; height: 44px; border: 0; border-radius: 14px;
      background: rgba(163, 230, 53, 0.14); align-items: center; justify-content: center;
      flex-direction: column; gap: 5px; cursor: pointer;
    }
    .mobile-menu-btn span { display: block; width: 20px; height: 2px; background: var(--text-light); }

    
    .mobile-nav-mask {
      position: fixed; inset: 0; z-index: 1100; background: rgba(15, 23, 42, 0.75);
      opacity: 0; visibility: hidden; transition: opacity .25s ease;
    }
    .mobile-drawer {
      position: fixed; top: 0; left: 0; z-index: 1110; width: min(86vw, 360px); height: 100vh;
      background: #101114; transform: translateX(-105%); transition: transform .28s ease; display: flex; flex-direction: column;
    }
    .drawer-head { padding: 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); }
    .drawer-logo span { font-size: 16px; }
    .drawer-close { width: 40px; height: 40px; border: 0; border-radius: 14px; background: rgba(163, 230, 53, 0.14); color: var(--text-light); font-size: 26px; }
    .drawer-body { padding: 14px; overflow-y: auto; }
    .drawer-nav { display: flex; flex-direction: column; gap: 8px; }
    .drawer-nav a { padding: 13px 14px; border-radius: 14px; background: rgba(163, 230, 53, 0.1); border: 1px solid rgba(163,230,53,.14); color: var(--text-light); font-weight: 700; }
    body.drawer-open .mobile-nav-mask { opacity: 1; visibility: visible; pointer-events: auto; }
    body.drawer-open .mobile-drawer { transform: translateX(0); }
    body.drawer-open { overflow: hidden; }

    
    .topic-board-masthead {
      background: radial-gradient(circle at 50% 100%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
      padding: 60px 0;
      border-bottom: 1px solid var(--border-soft);
    }
    .board-container {
      width: min(1200px, calc(100% - 32px));
      margin: 0 auto;
    }
    .board-badge {
      display: inline-flex;
      background: rgba(163, 230, 53, 0.12);
      border: 1px solid var(--primary);
      padding: 4px 12px;
      border-radius: 4px;
      font-size: 11px;
      color: var(--primary);
      font-weight: 800;
      text-transform: uppercase;
      margin-bottom: 14px;
    }
    .board-title { font-size: clamp(26px, 4vw, 38px); font-weight: 900; margin: 0; }
    .board-counter { font-size: 14px; color: var(--crypto-accent); margin-top: 8px; }

    
    .board-deck {
      padding: 60px 0;
    }
    .board-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-bottom: 50px;
    }
    .board-card {
      background: var(--bg-card);
      border-radius: 16px;
      border: 1px solid var(--border-soft);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .board-card-img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }
    .board-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .board-card-title { font-size: 18px; font-weight: 800; line-height: 1.4; margin: 0 0 10px; }
    .board-card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 20px; }
    .board-card-meta {
      margin-top: auto;
      border-top: 1px solid var(--border-soft);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--crypto-accent);
    }

    
    .pagination-dock {
      display: flex;
      justify-content: center;
      gap: 8px;
    }
    .pagination-dock a, .pagination-dock span {
      display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 44px; padding: 0 14px; border-radius: 10px; background: var(--bg-card); border: 1px solid var(--border-soft); color: var(--text-muted); font-weight: 700;
    }
    .pagination-dock .current { background: var(--primary); color: var(--text-dark); border-color: var(--primary); }

    
    .site-footer {
      position: relative; z-index: 1; width: 100%; background: #050505; color: var(--text-muted); padding: 56px 0 24px; border-top: 1px solid var(--border-color);
    }
    .footer-inner {
      width: min(1200px, calc(100% - 32px)); margin: 0 auto; display: grid; grid-template-columns: minmax(260px,1.35fr) repeat(3, minmax(150px,1fr)); gap: 28px;
    }
    .footer-brand p { margin: 16px 0 0; color: rgba(226,232,240,.78); line-height: 1.8; font-size: 14px; }
    .footer-column h3 { margin: 0 0 14px; font-size: 15px; color: #ffffff; }
    .footer-column ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
    .footer-column a, .footer-column span { color: rgba(226,232,240,.78); text-decoration: none; font-size: 14px; }
    .footer-column a:hover { color: #ffffff; }
    .footer-bottom {
      width: min(1200px, calc(100% - 32px)); margin: 32px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12);
      display: flex; align-items: center; justify-content: space-between; gap: 16px; color: rgba(226,232,240,.62); font-size: 13px;
    }
    .footer-bottom p { margin: 0; }
    .footer-bottom a { color: rgba(226,232,240,.78); }

    @media (max-width: 900px) {
      .header-inner { width: min(100% - 24px, 1200px); min-height: 64px; gap: 12px; }
      .desktop-nav-wrap, .desktop-nav { display: none !important; }
      .mobile-menu-btn {
        display: inline-flex !important; visibility: visible !important; opacity: 1 !important;
        pointer-events: auto !important; position: relative; z-index: 1200; flex: 0 0 auto;
      }
      .logo img { height: 34px; max-width: 118px; }
      .logo span { font-size: 16px; max-width: 145px; }
      .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

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

    @media (max-width: 640px) {
      .footer-inner { grid-template-columns: 1fr; }
    }