/* roulang page: index */
:root {
    --brand-primary: #0f1228;
    --brand-secondary: #2b3d7e;
    --gold-primary: #d4af37;
    --gold-light: #eccb6b;
    --gold-dark: #b8912a;
    --bg-light: #f4f6fb;
    --text-primary: #1e293b;
    --text-muted: #64748b;
    --border-light: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
    --radius: 16px;
    --radius-lg: 24px;
    --transition: all .3s ease;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: #fff;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  section {
    scroll-margin-top: 80px;
  }

  .hero-bg {
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
  }

  .cta-bg {
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
  }

  .glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid rgba(212, 175, 55, 0.35);
    color: #eccb6b;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
  }

  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #e0b748, #d4af37);
    color: #0f1228;
    font-weight: 700;
    padding: 12px 30px;
    border-radius: 999px;
    transition: all .3s ease;
    box-shadow: 0 4px 14px rgba(212, 175, 55, 0.28);
  }
  .btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #eccb6b, #d4af37);
  }
  .btn-gold:active {
    transform: translateY(0);
  }

  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    font-weight: 600;
    padding: 11px 28px;
    border-radius: 999px;
    transition: all .3s ease;
    background: rgba(255, 255, 255, 0.04);
  }
  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.7);
  }

  .feature-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
  }
  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #d4af37, #e0b748);
    opacity: 0;
    transition: opacity .3s ease;
  }
  .feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(212, 175, 55, 0.4);
  }
  .feature-card:hover::before {
    opacity: 1;
  }
  .icon-box {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.04));
    color: #b8912a;
    font-size: 22px;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
  }

  .category-card {
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-light);
    transition: all .35s ease;
    position: relative;
  }
  .category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
  }
  .category-card .cover {
    height: 180px;
    overflow: hidden;
    position: relative;
  }
  .category-card .cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .category-card:hover .cover img {
    transform: scale(1.05);
  }
  .category-card .cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15,18,40,0.55));
  }

  .article-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 18px;
    padding: 1.75rem;
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .article-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-3px);
  }

  .step-item {
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--border-light);
    transition: all .3s ease;
  }
  .step-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }
  .step-num {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, #0f1228, #2b3d7e);
    color: #eccb6b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(15,18,40,0.18);
  }

  details.faq-item {
    border-bottom: 1px solid var(--border-light);
    padding: 0.5rem 0;
  }
  details.faq-item summary {
    cursor: pointer;
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
    list-style: none;
    transition: color .2s;
  }
  details.faq-item summary::-webkit-details-marker {
    display: none;
  }
  details.faq-item summary:hover {
    color: #b8912a;
  }
  details.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    line-height: 1;
    color: #d4af37;
    font-weight: 400;
    transition: transform .3s ease;
    margin-left: 1rem;
  }
  details[open].faq-item summary::after {
    content: '−';
  }
  details.faq-item .faq-answer {
    padding: 0 0 1.25rem;
    color: var(--text-muted);
    line-height: 1.75;
  }

  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .topbar {
    background: #0a0c1a;
    color: #9aa4bf;
    font-size: 0.78rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .nav-link {
    position: relative;
    font-weight: 500;
    transition: color .25s ease;
    padding: 6px 2px;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: #d4af37;
    border-radius: 2px;
    transition: width .25s ease;
  }
  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }
  .nav-link.active {
    color: #eccb6b;
  }

  .auto-grid {
    display: grid;
    gap: 1.5rem;
  }
  @media (min-width: 768px) {
    .auto-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (min-width: 1024px) {
    .auto-grid { grid-template-columns: repeat(4, 1fr); }
  }

  input:focus-visible,
  button:focus-visible,
  a:focus-visible {
    outline: 2px solid #d4af37;
    outline-offset: 2px;
  }

  .fade-up {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp .6s ease forwards;
  }
  @keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
  }

/* roulang page: article */
*, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif; }

  .nav-link {
    position: relative;
    color: rgba(255,255,255,.85);
    transition: color .2s;
    padding: .375rem 0;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: #fbbf24;
    border-radius: 2px;
    transition: width .25s ease;
  }
  .nav-link:hover { color: #fbbf24; }
  .nav-link.active { color: #fbbf24; }
  .nav-link.active::after { width: 100%; }

  .article-body {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: #334155;
  }
  .article-body > * + * { margin-top: 1.25rem; }
  .article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid #f1f5f9;
    letter-spacing: -.01em;
  }
  .article-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-top: 2rem;
    margin-bottom: .75rem;
  }
  .article-body p { margin-bottom: 1.5rem; }
  .article-body img {
    border-radius: .75rem;
    margin: 2rem 0;
    max-width: 100%;
    height: auto;
    box-shadow: 0 4px 24px rgba(2,6,23,.08);
  }
  .article-body a {
    color: #4f46e5;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color .2s;
  }
  .article-body a:hover { color: #d97706; }
  .article-body blockquote {
    border-left: 3px solid #fbbf24;
    background: #fffbeb;
    padding: 1rem 1.25rem;
    border-radius: 0 .75rem .75rem 0;
    font-style: italic;
    color: #78350f;
  }
  .article-body ul { list-style: none; padding-left: 0; }
  .article-body ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: .75rem;
  }
  .article-body ul li::before {
    content: '✔';
    position: absolute;
    left: 0; top: 0;
    color: #f59e0b;
    font-size: .875rem;
  }
  .article-body ol { list-style: none; counter-reset: li; padding-left: 0; }
  .article-body ol li {
    counter-increment: li;
    padding-left: 2rem;
    position: relative;
    margin-bottom: .75rem;
  }
  .article-body ol li::before {
    content: counter(li);
    position: absolute;
    left: 0; top: .125rem;
    width: 1.375rem; height: 1.375rem;
    background: #eef2ff;
    color: #4f46e5;
    border-radius: .375rem;
    font-size: .75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: .9375rem;
  }
  .article-body table th,
  .article-body table td {
    border: 1px solid #e2e8f0;
    padding: .625rem .875rem;
    text-align: left;
  }
  .article-body table th {
    background: #f8fafc;
    font-weight: 600;
    color: #0f172a;
  }

  .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;
  }

  .animate-fade-up {
    animation: fadeUp .5s ease-out forwards;
    opacity: 0;
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }

/* roulang page: category1 */
:root {
            --brand-950: #070c18;
            --brand-900: #0f1630;
            --gold-400: #e3b04b;
            --gold-600: #b87d1a;
            --text-body: #dbe2f0;
            --text-muted: #7c8aa0;
            --border-light: rgba(255, 255, 255, 0.07);
            --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--brand-950);
            color: var(--text-body);
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            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; }
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input {
            outline: none;
        }

        /* 导航链接 */
        .nav-link {
            position: relative;
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: color 0.25s ease;
            padding: 0.5rem 0;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #e3b04b, #f5d78c);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease;
            border-radius: 2px;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: #f5d78c;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #e3b04b 0%, #f5d78c 50%, #d99e2b 100%);
            color: #070c18;
            font-weight: 700;
            padding: 0.875rem 2.25rem;
            border-radius: 9999px;
            transition: all 0.35s ease;
            box-shadow: 0 8px 24px rgba(227, 176, 75, 0.25);
            font-size: 0.875rem;
            letter-spacing: 0.03em;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(227, 176, 75, 0.4);
        }
        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(227, 176, 75, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-weight: 600;
            padding: 0.875rem 2.25rem;
            border-radius: 9999px;
            transition: all 0.35s ease;
            background: rgba(255, 255, 255, 0.03);
            font-size: 0.875rem;
        }
        .btn-outline:hover {
            border-color: rgba(227, 176, 75, 0.6);
            color: #f5d78c;
            background: rgba(227, 176, 75, 0.08);
            transform: translateY(-3px);
        }
        .btn-outline:active {
            transform: translateY(-1px);
        }
        .btn-outline:focus-visible,
        .btn-primary:focus-visible {
            outline: 2px solid #e3b04b;
            outline-offset: 3px;
        }

        /* 卡片 */
        .feature-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.015) 100%);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 1.25rem;
            padding: 2rem 1.75rem;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, rgba(227, 176, 75, 0.6), transparent);
            opacity: 0;
            transition: opacity 0.4s;
        }
        .feature-card:hover {
            transform: translateY(-8px);
            border-color: rgba(227, 176, 75, 0.3);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 50px rgba(227, 176, 75, 0.06);
        }
        .feature-card:hover::before {
            opacity: 1;
        }

        /* 步骤卡片 */
        .step-card {
            position: relative;
            text-align: center;
            padding: 2.5rem 1.75rem;
            border-radius: 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.4s;
        }
        .step-card:hover {
            border-color: rgba(227, 176, 75, 0.35);
            transform: translateY(-6px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: linear-gradient(135deg, #e3b04b, #d99e2b);
            color: #070c18;
            font-weight: 800;
            font-size: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            box-shadow: 0 8px 24px rgba(227, 176, 75, 0.3);
        }

        /* 游戏卡片 */
        .game-card {
            flex-shrink: 0;
            width: 280px;
            border-radius: 1.25rem;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: all 0.4s;
            position: relative;
        }
        .game-card:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: rgba(227, 176, 75, 0.4);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
        }
        .game-card-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.08);
        }
        .game-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(7, 12, 24, 0.6) 0%, transparent 50%);
        }
        .game-card-tag {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(7, 12, 24, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(227, 176, 75, 0.3);
            color: #f5d78c;
            font-size: 0.65rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            z-index: 2;
        }

        /* 横向滚动 */
        .horizontal-scroll {
            display: flex;
            gap: 1.5rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .horizontal-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .horizontal-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 8px;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb {
            background: rgba(227, 176, 75, 0.35);
            border-radius: 8px;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb:hover {
            background: rgba(227, 176, 75, 0.55);
        }
        .horizontal-scroll > * {
            scroll-snap-align: start;
        }

        /* FAQ 项 */
        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 1rem;
            padding: 1.75rem;
            transition: all 0.35s;
        }
        .faq-item:hover {
            border-color: rgba(227, 176, 75, 0.25);
            background: rgba(255, 255, 255, 0.045);
            transform: translateX(4px);
        }
        .faq-item i {
            color: #e3b04b;
            flex-shrink: 0;
        }

        .stat-card {
            text-align: center;
            padding: 2rem 1rem;
            border-radius: 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s;
        }
        .stat-card:hover {
            border-color: rgba(227, 176, 75, 0.3);
            background: rgba(255, 255, 255, 0.05);
        }

        /* Hero 装饰 */
        .hero-glow {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            pointer-events: none;
        }
        .hero-glow-1 {
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(227, 176, 75, 0.15) 0%, transparent 70%);
            top: -100px;
            right: -100px;
        }
        .hero-glow-2 {
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(59, 108, 246, 0.12) 0%, transparent 70%);
            bottom: -120px;
            left: -80px;
        }

        /* 倒计时 */
        .countdown-box {
            background: rgba(7, 12, 24, 0.6);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(227, 176, 75, 0.25);
            border-radius: 1.5rem;
            padding: 2rem;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }
        .countdown-item {
            min-width: 68px;
            text-align: center;
            padding: 0.75rem 0.5rem;
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .countdown-num {
            font-size: 2rem;
            font-weight: 800;
            color: #f5d78c;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .countdown-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 0.25rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.8s ease both;
        }
        .delay-100 { animation-delay: 0.1s; }
        .delay-200 { animation-delay: 0.25s; }
        .delay-300 { animation-delay: 0.4s; }
        .delay-400 { animation-delay: 0.55s; }

        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        .float-y {
            animation: floatY 4s ease-in-out infinite;
        }

        /* 区块标题装饰 */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(227, 176, 75, 0.1);
            border: 1px solid rgba(227, 176, 75, 0.2);
            color: #f5d78c;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.15em;
            padding: 0.35rem 1.25rem;
            border-radius: 9999px;
            text-transform: uppercase;
        }

        .divider-gold {
            width: 64px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, #e3b04b, #f5d78c, transparent);
        }

        /* 移动端菜单 */
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .mobile-menu.open {
            max-height: 320px;
        }

        /* 页脚链接 */
        .footer-link {
            position: relative;
        }
        .footer-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 1px;
            background: #e3b04b;
            transform: scaleX(0);
            transition: transform 0.3s;
            transform-origin: left;
        }
        .footer-link:hover::after {
            transform: scaleX(1);
        }

        /* 背景遮罩 */
        .bg-cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 12, 24, 0.85) 0%, rgba(7, 12, 24, 0.9) 45%, rgba(7, 12, 24, 0.96) 100%);
        }

        /* 响应式辅助 */
        @media (max-width: 768px) {
            .hero-glow-1 {
                width: 300px;
                height: 300px;
                right: -80px;
            }
            .hero-glow-2 {
                width: 250px;
                height: 250px;
                left: -60px;
            }
            .countdown-item {
                min-width: 56px;
                padding: 0.5rem 0.25rem;
            }
            .countdown-num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .feature-card {
                padding: 1.5rem 1.25rem;
            }
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .countdown-box {
                padding: 1.5rem;
            }
        }