/* roulang page: index */
:root {
            --bg-base: #0b1120;
            --c-primary: #1d4ed8;
            --c-primary-soft: rgba(29, 78, 216, 0.25);
            --c-accent: #22d3ee;
            --c-accent-2: #2dd4bf;
            --c-hot: #f59e0b;
            --text-1: #f8fafc;
            --text-2: rgba(226, 232, 240, 0.75);
            --text-3: rgba(148, 163, 184, 0.9);
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.10);
            --glass-bg-hover: rgba(255, 255, 255, 0.08);
            --glass-border-hover: rgba(255, 255, 255, 0.22);
            --shadow-card: 0 12px 40px rgba(2, 6, 23, 0.5);
            --glow-accent: 0 0 30px rgba(34, 211, 238, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
            background: var(--bg-base);
            color: var(--text-1);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            background-image: radial-gradient(1200px 600px at 80% -10%, rgba(34, 211, 238, 0.10), transparent), linear-gradient(180deg, #0b1120, #0e1730 50%, #0b1120);
            background-attachment: fixed;
        }

        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            display: block;
            max-width: 100%;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
        }
        input {
            font-family: inherit;
        }

        .bg-grid {
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        .section-title-bar {
            width: 6px;
            height: 22px;
            border-radius: 3px;
            background: linear-gradient(180deg, var(--c-accent), var(--c-accent-2));
            margin-bottom: 10px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 24px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(90deg, #22d3ee, #2dd4bf);
            color: #0f172a;
            font-weight: 700;
            font-size: 15px;
            box-shadow: var(--glow-accent);
            transition: all 0.25s ease;
            border: none;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            box-shadow: 0 0 45px rgba(34, 211, 238, 0.55);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 20px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            backdrop-filter: blur(8px);
        }
        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-1px);
        }
        .btn-glass:active {
            transform: scale(0.98);
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.15);
            color: #fcd34d;
            border: 1px solid rgba(245, 158, 11, 0.2);
            font-size: 12px;
            font-weight: 600;
        }
        .badge-normal {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            color: #cbd5e1;
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            backdrop-filter: blur(8px);
        }

        .category-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            color: #e2e8f0;
            font-size: 13px;
            white-space: nowrap;
            transition: all 0.2s ease;
            backdrop-filter: blur(8px);
        }
        .category-pill:hover {
            background: rgba(34, 211, 238, 0.15);
            border-color: rgba(34, 211, 238, 0.3);
            color: #67e8f9;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #94a3b8;
            font-size: 13px;
            transition: all 0.2s ease;
        }
        .filter-pill.active {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.3);
            color: #67e8f9;
        }
        .filter-pill:hover {
            background: rgba(34, 211, 238, 0.08);
            color: #e2e8f0;
        }

        .video-play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0.8);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(2, 6, 23, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            opacity: 0;
            transition: all 0.3s ease;
            backdrop-filter: blur(4px);
        }
        .video-card:hover .video-play-icon {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }
        .video-play-icon i {
            margin-left: 2px;
            font-size: 13px;
        }

        .video-card {
            transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
        }
        .video-card:hover {
            transform: translateY(-4px);
        }

        .card-glass {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(12px);
            border-radius: 16px;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .card-glass:hover {
            transform: translateY(-4px);
            border-color: var(--glass-border-hover);
            box-shadow: 0 16px 60px rgba(2, 6, 23, 0.6);
        }

        .mega-panel {
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all 0.25s ease;
            pointer-events: none;
        }
        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.25s ease;
        }
        .faq-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 16px 40px 16px 0;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            position: relative;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 20px;
            color: #22d3ee;
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary::after {
            transform: translateY(-50%) rotate(45deg);
        }
        .faq-item p {
            padding-bottom: 16px;
            font-size: 14px;
            color: rgba(148, 163, 184, 0.9);
            line-height: 1.8;
        }

        .scrollbar-hide {
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .scrollbar-hide::-webkit-scrollbar {
            height: 5px;
        }
        .scrollbar-hide::-webkit-scrollbar-track {
            background: transparent;
        }
        .scrollbar-hide::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid rgba(34, 211, 238, 0.6);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .nav-link {
            position: relative;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, #22d3ee, #2dd4bf);
        }

        .mobile-menu-open {
            display: block !important;
        }

        @media (max-width: 639px) {
            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: article */
:root {
  --bg-base: #0b1120;
  --c-primary: #1d4ed8;
  --c-primary-soft: rgba(29,78,216,0.25);
  --c-accent: #22d3ee;
  --c-accent-2: #2dd4bf;
  --c-hot: #f59e0b;
  --text-1: #f8fafc;
  --text-2: rgba(226,232,240,0.75);
  --text-3: rgba(148,163,184,0.9);
  --glass-bg: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.10);
  --glass-bg-hover: rgba(255,255,255,0.08);
  --glass-border-hover: rgba(255,255,255,0.22);
  --shadow-card: 0 12px 40px rgba(2,6,23,0.5);
  --glow-accent: 0 0 30px rgba(34,211,238,0.35);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(34,211,238,0.10), transparent),
    linear-gradient(180deg, #0b1120, #0e1730 50%, #0b1120);
  color: var(--text-1);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
.bg-grid {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 24px; height: 44px; border-radius: 12px;
  background: linear-gradient(to right, #22d3ee, #2dd4bf);
  color: #0f172a; font-weight: 700; font-size: 14px;
  box-shadow: var(--glow-accent);
  transition: all .3s ease; border: none;
}
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 0 45px rgba(34,211,238,0.55); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-glass {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 16px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15);
  color: #fff; font-weight: 500; backdrop-filter: blur(12px);
  transition: all .3s ease;
}
.btn-glass:hover { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.25); color: #22d3ee; }
.nav-link { position: relative; transition: all .3s ease; }
.nav-link.active::after {
  content: '';
  position: absolute; left: 50%; transform: translateX(-50%); bottom: -4px;
  width: 20px; height: 2px;
  background: linear-gradient(to right, #22d3ee, #2dd4bf);
  border-radius: 2px;
}
.mega-panel {
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .28s ease; pointer-events: none;
}
.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
  pointer-events: auto;
}
.article-body p { font-size: 16px; line-height: 1.9; color: #cbd5e1; margin: 1.25em 0; }
.article-body p:first-child { font-size: 17px; color: #e2e8f0; }
.article-body h2 { font-size: 24px; font-weight: 700; margin: 1.4em 0 0.8em; padding-left: 12px; border-left: 4px solid var(--c-accent); color: #f8fafc; line-height: 1.4; }
.article-body h3 { font-size: 19px; font-weight: 600; margin: 1.3em 0 0.6em; color: #e2e8f0; }
.article-body img { border-radius: 16px; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 12px 40px rgba(2,6,23,0.4); }
.article-body blockquote { border-left: 4px solid var(--c-accent); background: rgba(255,255,255,0.03); padding: 1rem 1.5rem; border-radius: 8px; color: #94a3b8; margin: 1em 0; }
.article-body a { color: #22d3ee; text-decoration: underline; text-decoration-color: rgba(34,211,238,0.4); text-underline-offset: 4px; transition: all .3s; }
.article-body a:hover { text-decoration-color: rgba(34,211,238,0.9); }
.article-body ul { list-style: disc; padding-left: 1.5em; line-height: 1.8; color: #cbd5e1; }
.article-body ol { list-style: decimal; padding-left: 1.5em; line-height: 1.8; color: #cbd5e1; }
.article-body li { margin: 0.4em 0; }
.article-body pre { background: #0f172a; border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 1rem; font-size: 14px; color: #22d3ee; overflow-x: auto; margin: 1.2em 0; }
.article-body code { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; }
.article-body p code, .article-body li code { display: inline; padding: 2px 6px; border-radius: 4px; background: #0f172a; border: 1px solid rgba(255,255,255,0.08); }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 15px; }
.article-body th, .article-body td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,0.08); text-align: left; color: #cbd5e1; }
.article-body th { background: rgba(255,255,255,0.04); color: #f1f5f9; font-weight: 600; }
.article-body hr { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin: 2em 0; }
.card-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  backdrop-filter: blur(12px);
  transition: all .35s ease;
  overflow: hidden;
}
.card-glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 25px rgba(34,211,238,0.08);
}
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
summary::-webkit-details-marker { display: none; }
details > summary { list-style: none; }
details[open] .fa-plus { transform: rotate(45deg); }
.faq-answer { animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.hero-section {
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
@media (max-width: 640px) {
  .article-body h2 { font-size: 20px; }
  .article-body p { font-size: 15px; }
}

/* roulang page: category1 */
:root {
    --bg-base: #0b1120;
    --c-primary: #1d4ed8;
    --c-primary-soft: rgba(29, 78, 216, 0.25);
    --c-accent: #22d3ee;
    --c-accent-2: #2dd4bf;
    --c-hot: #f59e0b;
    --text-1: #f8fafc;
    --text-2: rgba(226, 232, 240, 0.75);
    --text-3: rgba(148, 163, 184, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.10);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.22);
    --shadow-card: 0 12px 40px rgba(2, 6, 23, 0.5);
    --glow-accent: 0 0 30px rgba(34, 211, 238, 0.35);
  }
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
    background: radial-gradient(1200px 600px at 80% -10%, rgba(34, 211, 238, 0.10), transparent), linear-gradient(180deg, #0b1120, #0e1730 50%, #0b1120);
    background-attachment: fixed;
    color: var(--text-1);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }
  a {
    text-decoration: none;
    color: inherit;
  }
  img {
    max-width: 100%;
    display: block;
  }
  button {
    cursor: pointer;
    font-family: inherit;
  }
  input {
    font-family: inherit;
  }
  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width:640px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }
  @media (min-width:1024px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }
  .bg-grid {
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
  }
  .nav-link {
    position: relative;
    transition: color .2s ease, background .2s ease;
  }
  .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
  }
  .nav-link:focus-visible {
    outline: 2px solid rgba(34, 211, 238, 0.6);
    outline-offset: 2px;
    border-radius: 8px;
  }
  .btn-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 42px;
    padding: 0 1.25rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-weight: 500;
    font-size: .875rem;
    backdrop-filter: blur(12px);
    transition: background .2s, border-color .2s, transform .15s;
  }
  .btn-glass:hover {
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.25);
  }
  .btn-glass:active {
    transform: scale(0.98);
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 44px;
    padding: 0 2rem;
    border-radius: 12px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
    color: #0b1120;
    font-weight: 700;
    font-size: .9375rem;
    box-shadow: var(--glow-accent);
    transition: filter .2s, box-shadow .2s, transform .15s;
  }
  @media (min-width:768px) {
    .btn-primary {
      height: 48px;
      padding: 0 2.25rem;
      font-size: 1rem;
    }
  }
  .btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 45px rgba(34, 211, 238, 0.55);
  }
  .btn-primary:active {
    transform: scale(0.98);
  }
  .badge {
    display: inline-flex;
    align-items: center;
    font-size: .75rem;
    padding: .25rem .75rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.75);
  }
  .badge-hot {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.2);
  }
  .card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px rgba(2, 6, 23, 0.65);
    border-color: var(--glass-border-hover);
  }
  .play-icon {
    opacity: 0;
    transition: opacity .3s ease;
  }
  .card:hover .play-icon {
    opacity: 1;
  }
  .mega-panel {
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s;
  }
  .mega-trigger:hover .mega-panel,
  .mega-trigger:focus-within .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .section-title {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-1);
  }
  @media (min-width:768px) {
    .section-title {
      font-size: 1.875rem;
    }
  }
  .section-title::before {
    content: "";
    display: block;
    width: 6px;
    height: 22px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--c-accent), var(--c-accent-2));
    flex-shrink: 0;
  }
  .filter-pill {
    display: inline-flex;
    align-items: center;
    padding: .375rem 1rem;
    border-radius: 9999px;
    font-size: .8125rem;
    font-weight: 500;
    color: rgba(148, 163, 184, 0.9);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all .2s ease;
  }
  .filter-pill:hover {
    background: rgba(34, 211, 238, 0.15);
    color: var(--c-accent);
    border-color: rgba(34, 211, 238, 0.2);
  }
  .filter-pill.active {
    background: rgba(34, 211, 238, 0.15);
    color: var(--c-accent);
    border-color: rgba(34, 211, 238, 0.25);
  }
  .stat-number {
    font-family: ui-sans-serif, system-ui, sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-variant-numeric: tabular-nums;
  }
  details.faq-item summary {
    list-style: none;
    cursor: pointer;
    position: relative;
    padding: 1rem 2.5rem 1rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-1);
    transition: color .2s;
  }
  details.faq-item summary::-webkit-details-marker {
    display: none;
  }
  details.faq-item summary::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2322d3ee' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat;
    transition: transform .3s ease;
  }
  details.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
  }
  details.faq-item .faq-answer {
    padding-bottom: 1rem;
    font-size: .875rem;
    line-height: 1.7;
    color: rgba(148, 163, 184, 0.9);
  }
  details.faq-item:hover {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
  }
  .input-custom {
    width: 100%;
    height: 46px;
    padding: 0 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: #f8fafc;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
  }
  .input-custom::placeholder {
    color: rgba(100, 116, 139, 0.8);
  }
  .input-custom:focus {
    border-color: rgba(34, 211, 238, 0.6);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
  }
  .hero-gradient-overlay {
    background: linear-gradient(90deg, rgba(11, 17, 32, 0.95) 0%, rgba(11, 17, 32, 0.6) 60%, transparent 100%);
  }
  .hero-bottom-overlay {
    background: linear-gradient(0deg, #0b1120 0%, transparent 100%);
  }
  .category-hero {
    background: linear-gradient(90deg, rgba(11, 17, 32, 0.92) 0%, rgba(11, 17, 32, 0.75) 50%, rgba(11, 17, 32, 0.4) 100%);
  }
  .line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .scrollbar-thin {
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.15) transparent;
  }
  .scrollbar-thin::-webkit-scrollbar {
    height: 6px;
  }
  .scrollbar-thin::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
  }
  .faq-divide> :not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  @media (max-width: 1023px) {
    .mega-panel {
      display: none;
    }
    .mega-trigger:hover .mega-panel {
      display: none;
    }
  }