/* roulang page: index */
:root {
            --dn-color-bg: #0a0b0e;
            --dn-color-bg-alt: #0f1114;
            --dn-color-card: #16181d;
            --dn-color-card-hover: #1a1d23;
            --dn-color-neon: #8bff00;
            --dn-color-neon-dim: rgba(139, 255, 0, 0.15);
            --dn-color-neon-glow: rgba(139, 255, 0, 0.45);
            --dn-color-violet: #8b5cf6;
            --dn-color-violet-dim: rgba(139, 92, 246, 0.18);
            --dn-color-violet-glow: rgba(139, 92, 246, 0.5);
            --dn-color-text: #e8e8e8;
            --dn-color-muted: #bdbdbd;
            --dn-color-faint: #8a8a8a;
            --dn-color-white: #f5f6f7;
            --dn-radius: 12px;
            --dn-radius-sm: 8px;
            --dn-border: rgba(139, 255, 0, 0.12);
            --dn-border-strong: rgba(139, 255, 0, 0.3);
            --dn-border-violet: rgba(139, 92, 246, 0.2);
            --dn-shadow-rest: 0 4px 16px rgba(0, 0, 0, 0.4);
            --dn-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
            --dn-shadow-neon: 0 0 24px rgba(139, 255, 0, 0.25);
            --dn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --dn-font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --dn-section-padding: 72px 0;
            --dn-section-padding-mobile: 48px 0;
            --dn-transition: 0.2s ease;
            --dn-transition-slow: 0.35s ease;
            --dn-max-width: 1200px;
            --dn-nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dn-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dn-color-text);
            background-color: var(--dn-color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            color: var(--dn-color-neon);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        a:hover {
            color: var(--dn-color-violet);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--dn-color-neon);
            outline-offset: 3px;
            border-radius: 4px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--dn-font-sans);
            color: var(--dn-color-white);
            line-height: 1.25;
            margin-top: 0;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.7rem, 3vw, 2.35rem);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0;
        }

        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        p {
            margin-top: 0;
            margin-bottom: 16px;
            color: var(--dn-color-muted);
            max-width: 72ch;
        }

        .dn-container {
            max-width: var(--dn-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .dn-section {
            padding: var(--dn-section-padding);
            position: relative;
        }

        .dn-section--alt {
            background-color: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }

        .dn-section--grid-bg {
            background-image:
                linear-gradient(rgba(139, 255, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
        }

        .dn-section--dark-overlay {
            position: relative;
            background-size: cover;
            background-position: center;
        }

        .dn-section--dark-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 11, 14, 0.88);
            z-index: 1;
        }

        .dn-section--dark-overlay .dn-container {
            position: relative;
            z-index: 2;
        }

        .dn-section__eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 5px 14px;
            margin-bottom: 18px;
        }

        .dn-section__title {
            margin-bottom: 14px;
        }

        .dn-section__lead {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            margin-bottom: 36px;
            max-width: 680px;
        }

        .dn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--dn-font-sans);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all var(--dn-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            position: relative;
            line-height: 1.4;
        }

        .dn-btn--neon {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.35);
        }

        .dn-btn--neon:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 26px rgba(139, 92, 246, 0.5);
            transform: translateY(-3px);
        }

        .dn-btn--outline {
            background: transparent;
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border-strong);
            box-shadow: none;
        }

        .dn-btn--outline:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
            transform: translateY(-3px);
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.25);
        }

        .dn-btn--ghost {
            background: transparent;
            color: var(--dn-color-muted);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 10px 20px;
        }

        .dn-btn--ghost:hover {
            color: var(--dn-color-white);
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
        }

        .dn-btn--sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .dn-btn--lg {
            padding: 16px 36px;
            font-size: 1.08rem;
        }

        /* Header & Navigation */
        .dn-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--dn-nav-height);
            background: rgba(10, 11, 14, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(139, 255, 0, 0.1);
            display: flex;
            align-items: center;
            transition: box-shadow var(--dn-transition);
        }

        .dn-header.dn-header--scrolled {
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.55);
        }

        .dn-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }

        .dn-nav__logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dn-color-white);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .dn-nav__logo .dn-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .dn-nav__links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-nav__links li {
            margin: 0;
        }

        .dn-nav__links a {
            display: block;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--dn-color-muted);
            text-decoration: none;
            border-radius: 6px;
            transition: all var(--dn-transition);
            white-space: nowrap;
            letter-spacing: 0;
        }

        .dn-nav__links a:hover {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }

        .dn-nav__links a.dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            font-weight: 600;
        }

        .dn-nav__right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .dn-nav__search {
            display: flex;
            align-items: center;
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            transition: border-color var(--dn-transition);
        }

        .dn-nav__search:focus-within {
            border-color: var(--dn-color-neon);
            box-shadow: 0 0 0 3px rgba(139, 255, 0, 0.12);
        }

        .dn-nav__search i {
            color: var(--dn-color-faint);
            font-size: 0.8rem;
        }

        .dn-nav__search input {
            background: transparent;
            border: none;
            color: var(--dn-color-text);
            font-size: 0.85rem;
            font-family: var(--dn-font-sans);
            padding: 4px 0;
            width: 130px;
            outline: none;
        }

        .dn-nav__search input::placeholder {
            color: var(--dn-color-faint);
        }

        .dn-nav__toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 6px;
            color: var(--dn-color-text);
            font-size: 1.2rem;
            padding: 6px 12px;
            cursor: pointer;
            transition: all var(--dn-transition);
        }

        .dn-nav__toggle:hover {
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
        }

        .dn-nav__cta {
            white-space: nowrap;
        }

        /* Mobile nav drawer */
        .dn-mobile-nav {
            display: none;
            position: fixed;
            top: var(--dn-nav-height);
            left: 0;
            right: 0;
            background: rgba(10, 11, 14, 0.98);
            backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--dn-border);
            z-index: 999;
            padding: 16px 24px 24px;
        }

        .dn-mobile-nav.dn-mobile-nav--open {
            display: block;
        }

        .dn-mobile-nav__list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-mobile-nav__list li {
            margin: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .dn-mobile-nav__list a {
            display: block;
            padding: 14px 4px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dn-color-muted);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        .dn-mobile-nav__list a:hover {
            color: var(--dn-color-neon);
        }

        .dn-mobile-nav__cta {
            margin-top: 16px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Hero section */
        .dn-hero {
            position: relative;
            min-height: clamp(600px, 78vh, 800px);
            display: flex;
            align-items: center;
            background: var(--dn-color-bg);
            overflow: hidden;
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            padding: 0;
        }

        .dn-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 25% 30%, rgba(139, 255, 0, 0.07) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
                linear-gradient(180deg, #0a0b0e 0%, #0c0e11 50%, #0a0b0e 100%);
            pointer-events: none;
        }

        .dn-hero__grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
            padding: 42px 0;
        }

        .dn-hero__content {
            padding-right: 12px;
        }

        .dn-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 6px 14px;
            margin-bottom: 20px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .dn-hero__badge i {
            font-size: 0.7rem;
        }

        .dn-hero__title {
            font-size: clamp(2.3rem, 4.8vw, 3.8rem);
            font-weight: 800;
            color: var(--dn-color-white);
            line-height: 1.18;
            letter-spacing: -0.025em;
            margin-bottom: 22px;
        }

        .dn-hero__title .dn-hero__title-accent {
            color: var(--dn-color-neon);
            text-shadow: 0 0 30px rgba(139, 255, 0, 0.4);
        }

        .dn-hero__subtitle {
            font-size: 1.08rem;
            color: var(--dn-color-muted);
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 520px;
        }

        .dn-hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .dn-hero__stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .dn-hero__stat {
            display: flex;
            flex-direction: column;
        }

        .dn-hero__stat-value {
            font-family: var(--dn-font-mono);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dn-color-neon);
            text-shadow: 0 0 12px rgba(139, 255, 0, 0.35);
            letter-spacing: -0.01em;
        }

        .dn-hero__stat-label {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            letter-spacing: 0.04em;
        }

        .dn-hero__visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .dn-hero__image-wrap {
            position: relative;
            width: 100%;
            max-width: 520px;
            border-radius: var(--dn-radius);
            overflow: hidden;
            box-shadow: var(--dn-shadow-hover);
            border: 1px solid var(--dn-border);
        }

        .dn-hero__image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            filter: saturate(1.15) contrast(1.05);
        }

        .dn-hero__image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 11, 14, 0.25) 0%, rgba(10, 11, 14, 0.5) 100%);
            pointer-events: none;
        }

        .dn-hero__floating-card {
            position: absolute;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border-strong);
            border-radius: 10px;
            padding: 14px 18px;
            box-shadow: var(--dn-shadow-hover);
            z-index: 5;
        }

        .dn-hero__floating-card--top {
            top: -12px;
            right: -16px;
            background: rgba(22, 24, 29, 0.95);
            backdrop-filter: blur(10px);
        }

        .dn-hero__floating-card--bottom {
            bottom: -14px;
            left: -14px;
            background: rgba(22, 24, 29, 0.95);
            backdrop-filter: blur(10px);
        }

        .dn-hero__fc-label {
            font-size: 0.7rem;
            color: var(--dn-color-faint);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }

        .dn-hero__fc-value {
            font-family: var(--dn-font-mono);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dn-color-neon);
        }

        /* KPI section */
        .dn-kpi {
            background: var(--dn-color-bg-alt);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
            padding: 52px 0;
        }

        .dn-kpi__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .dn-kpi__item {
            text-align: center;
            padding: 26px 16px;
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            transition: all var(--dn-transition);
        }

        .dn-kpi__item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-neon);
            transform: translateY(-3px);
        }

        .dn-kpi__number {
            font-family: var(--dn-font-mono);
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            text-shadow: 0 0 18px rgba(139, 255, 0, 0.3);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .dn-kpi__label {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* Services section */
        .dn-services__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .dn-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 26px 24px;
            transition: all var(--dn-transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .dn-card:hover {
            border-color: var(--dn-border-strong);
            background: var(--dn-color-card-hover);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-4px);
        }

        .dn-card__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
            background: var(--dn-color-neon-dim);
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border);
            transition: all var(--dn-transition);
        }

        .dn-card:hover .dn-card__icon {
            background: rgba(139, 255, 0, 0.22);
            box-shadow: 0 0 16px rgba(139, 255, 0, 0.2);
        }

        .dn-card--violet .dn-card__icon {
            background: var(--dn-color-violet-dim);
            color: var(--dn-color-violet);
            border-color: var(--dn-border-violet);
        }

        .dn-card--violet:hover .dn-card__icon {
            background: rgba(139, 92, 246, 0.28);
            box-shadow: 0 0 16px rgba(139, 92, 246, 0.25);
        }

        .dn-card__title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 8px;
        }

        .dn-card__desc {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            line-height: 1.65;
            margin-bottom: 0;
            flex-grow: 1;
        }

        .dn-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dn-color-neon);
            margin-top: 16px;
            text-decoration: none;
            transition: all var(--dn-transition);
        }

        .dn-card__link:hover {
            color: var(--dn-color-violet);
            gap: 10px;
        }

        /* Comparison section */
        .dn-comparison__wrap {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 36px 32px;
            box-shadow: var(--dn-shadow-rest);
        }

        .dn-comparison__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .dn-comparison__col {
            padding: 22px 20px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .dn-comparison__col--highlight {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-border-strong);
            box-shadow: 0 0 20px rgba(139, 255, 0, 0.1);
        }

        .dn-comparison__col-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dn-comparison__col-title i {
            color: var(--dn-color-faint);
        }

        .dn-comparison__col--highlight .dn-comparison__col-title {
            color: var(--dn-color-neon);
        }

        .dn-comparison__list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-comparison__list li {
            padding: 9px 0;
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .dn-comparison__list li:last-child {
            border-bottom: none;
        }

        .dn-comparison__list li i {
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 0.75rem;
        }

        .dn-comparison__col--highlight .dn-comparison__list li {
            color: var(--dn-color-text);
        }

        .dn-comparison__col--highlight .dn-comparison__list li i {
            color: var(--dn-color-neon);
        }

        /* Milestones */
        .dn-milestones__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            position: relative;
        }

        .dn-milestone {
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            padding: 24px 20px;
            transition: all var(--dn-transition);
            position: relative;
        }

        .dn-milestone:hover {
            border-color: var(--dn-border-strong);
            transform: translateY(-4px);
            box-shadow: var(--dn-shadow-hover);
        }

        .dn-milestone__year {
            font-family: var(--dn-font-mono);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--dn-color-violet);
            text-shadow: 0 0 14px rgba(139, 92, 246, 0.4);
            line-height: 1;
            margin-bottom: 8px;
        }

        .dn-milestone__title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }

        .dn-milestone__desc {
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* News section */
        .dn-news__layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .dn-news__list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .dn-news__item {
            display: flex;
            gap: 18px;
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            padding: 18px;
            transition: all var(--dn-transition);
            align-items: center;
        }

        .dn-news__item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-rest);
            transform: translateX(3px);
        }

        .dn-news__thumb {
            width: 96px;
            height: 68px;
            flex-shrink: 0;
            border-radius: 8px;
            overflow: hidden;
            background: #1a1d23;
        }

        .dn-news__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .dn-news__content {
            flex: 1;
            min-width: 0;
        }

        .dn-news__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.75rem;
            color: var(--dn-color-faint);
            margin-bottom: 5px;
            flex-wrap: wrap;
        }

        .dn-news__title {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--dn-color-text);
            margin-bottom: 3px;
            line-height: 1.4;
        }

        .dn-news__summary {
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .dn-news__sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .dn-news__widget {
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            padding: 20px;
        }

        .dn-news__widget-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .dn-news__widget-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-news__widget-list li {
            padding: 8px 0;
            font-size: 0.82rem;
            color: var(--dn-color-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dn-news__widget-list li:last-child {
            border-bottom: none;
        }

        .dn-news__widget-list li i {
            color: var(--dn-color-neon);
            font-size: 0.55rem;
        }

        .dn-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 3px;
            letter-spacing: 0.03em;
            background: var(--dn-color-neon-dim);
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border);
        }

        .dn-tag--violet {
            background: var(--dn-color-violet-dim);
            color: var(--dn-color-violet);
            border-color: var(--dn-border-violet);
        }

        .dn-tag--ghost {
            background: rgba(255, 255, 255, 0.06);
            color: var(--dn-color-muted);
            border-color: rgba(255, 255, 255, 0.1);
        }

        /* Assurance section */
        .dn-assurance__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dn-assurance-item {
            text-align: center;
            padding: 26px 18px;
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            transition: all var(--dn-transition);
        }

        .dn-assurance-item:hover {
            border-color: var(--dn-border-strong);
            transform: translateY(-4px);
            box-shadow: var(--dn-shadow-rest);
        }

        .dn-assurance-item__icon {
            font-size: 1.7rem;
            color: var(--dn-color-neon);
            margin-bottom: 12px;
            display: block;
        }

        .dn-assurance-item__title {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }

        .dn-assurance-item__desc {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            line-height: 1.5;
            margin-bottom: 0;
        }

        /* FAQ */
        .dn-faq__wrap {
            max-width: 760px;
            margin: 0 auto;
        }

        .dn-faq__item {
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--dn-transition);
        }

        .dn-faq__item:hover {
            border-color: var(--dn-border);
        }

        .dn-faq__item.dn-faq__item--open {
            border-color: var(--dn-border-strong);
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.1);
        }

        .dn-faq__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: var(--dn-font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dn-color-text);
            text-align: left;
            transition: color var(--dn-transition);
            line-height: 1.5;
        }

        .dn-faq__question:hover {
            color: var(--dn-color-neon);
        }

        .dn-faq__question i {
            color: var(--dn-color-neon);
            font-size: 0.8rem;
            transition: transform var(--dn-transition);
            flex-shrink: 0;
        }

        .dn-faq__item--open .dn-faq__question i {
            transform: rotate(180deg);
        }

        .dn-faq__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 22px;
        }

        .dn-faq__item--open .dn-faq__answer {
            max-height: 240px;
            padding-bottom: 20px;
        }

        .dn-faq__answer p {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Brand intro */
        .dn-brand {
            background: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }

        .dn-brand__layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .dn-brand__text h2 {
            margin-bottom: 18px;
        }

        .dn-brand__text p {
            font-size: 0.95rem;
            color: var(--dn-color-muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .dn-brand__image-wrap {
            border-radius: var(--dn-radius);
            overflow: hidden;
            border: 1px solid var(--dn-border);
            box-shadow: var(--dn-shadow-hover);
        }

        .dn-brand__image-wrap img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        /* Schedule */
        .dn-schedule__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .dn-schedule-card {
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            padding: 22px 20px;
            transition: all var(--dn-transition);
            display: flex;
            flex-direction: column;
        }

        .dn-schedule-card:hover {
            border-color: var(--dn-border-strong);
            transform: translateY(-4px);
            box-shadow: var(--dn-shadow-hover);
        }

        .dn-schedule-card__date {
            font-family: var(--dn-font-mono);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--dn-color-violet);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .dn-schedule-card__match {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }

        .dn-schedule-card__info {
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
            flex-grow: 1;
        }

        /* Rankings */
        .dn-rankings__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .dn-rankings__panel {
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            padding: 22px 20px;
        }

        .dn-rankings__panel-title {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dn-rankings__list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-rankings__list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .dn-rankings__list li:last-child {
            border-bottom: none;
        }

        .dn-rankings__rank {
            font-family: var(--dn-font-mono);
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .dn-rankings__rank--top {
            color: var(--dn-color-violet);
            text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
        }

        .dn-rankings__name {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dn-color-text);
            flex: 1;
        }

        .dn-rankings__score {
            font-family: var(--dn-font-mono);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dn-color-muted);
        }

        /* Gear */
        .dn-gear__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .dn-gear-card {
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--dn-radius);
            overflow: hidden;
            transition: all var(--dn-transition);
        }

        .dn-gear-card:hover {
            border-color: var(--dn-border-strong);
            transform: translateY(-4px);
            box-shadow: var(--dn-shadow-hover);
        }

        .dn-gear-card__image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }

        .dn-gear-card__body {
            padding: 16px 18px;
        }

        .dn-gear-card__title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 4px;
        }

        .dn-gear-card__spec {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* Partners */
        .dn-partners__grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }

        .dn-partner-logo {
            padding: 18px 28px;
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dn-color-faint);
            filter: grayscale(1);
            opacity: 0.65;
            transition: all var(--dn-transition);
            cursor: default;
            user-select: none;
            letter-spacing: 0.05em;
        }

        .dn-partner-logo:hover {
            filter: grayscale(0);
            opacity: 1;
            color: var(--dn-color-text);
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-rest);
            transform: translateY(-2px);
        }

        /* CTA */
        .dn-cta {
            background: var(--dn-color-bg);
            border-top: 1px solid rgba(139, 255, 0, 0.1);
            border-bottom: 1px solid rgba(139, 255, 0, 0.1);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .dn-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at center, rgba(139, 255, 0, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
            pointer-events: none;
        }

        .dn-cta__content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .dn-cta__title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.015em;
        }

        .dn-cta__subtitle {
            font-size: 1rem;
            color: var(--dn-color-muted);
            margin-bottom: 28px;
        }

        /* Footer */
        .dn-footer {
            background: #08090b;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 32px;
        }

        .dn-footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .dn-footer__brand .dn-nav__logo {
            margin-bottom: 12px;
            display: flex;
        }

        .dn-footer__desc {
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            line-height: 1.6;
            margin-bottom: 0;
            max-width: 280px;
        }

        .dn-footer__title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--dn-color-text);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .dn-footer__links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-footer__links li {
            margin-bottom: 8px;
        }

        .dn-footer__links a {
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            text-decoration: none;
            transition: color var(--dn-transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .dn-footer__links a:hover {
            color: var(--dn-color-neon);
        }

        .dn-footer__subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .dn-footer__subscribe input {
            flex: 1;
            background: var(--dn-color-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 10px 14px;
            color: var(--dn-color-text);
            font-size: 0.85rem;
            font-family: var(--dn-font-sans);
            outline: none;
            transition: border-color var(--dn-transition);
        }

        .dn-footer__subscribe input:focus {
            border-color: var(--dn-color-neon);
            box-shadow: 0 0 0 3px rgba(139, 255, 0, 0.1);
        }

        .dn-footer__sub-btn {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border: none;
            border-radius: 8px;
            padding: 10px 16px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--dn-transition);
            white-space: nowrap;
        }

        .dn-footer__sub-btn:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            transform: translateY(-2px);
        }

        .dn-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            text-align: center;
        }

        .dn-footer__copyright {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
        }

        .dn-footer__legal {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
        }

        .dn-footer__legal a {
            color: var(--dn-color-faint);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        .dn-footer__legal a:hover {
            color: var(--dn-color-neon);
        }

        .dn-footer__sep {
            margin: 0 6px;
            color: var(--dn-color-faint);
            opacity: 0.5;
        }

        /* Section divider accent */
        .dn-divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--dn-color-neon-glow), var(--dn-color-violet-glow), transparent);
            margin: 0;
            border: none;
            opacity: 0.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .dn-hero__grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 32px 0;
            }

            .dn-hero {
                min-height: auto;
                padding: 52px 0;
            }

            .dn-hero__visual {
                order: 2;
            }

            .dn-hero__content {
                order: 1;
                padding-right: 0;
            }

            .dn-hero__image-wrap {
                max-width: 100%;
            }

            .dn-kpi__grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-services__grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-milestones__grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-news__layout {
                grid-template-columns: 1fr;
            }

            .dn-brand__layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .dn-rankings__grid {
                grid-template-columns: 1fr;
            }

            .dn-gear__grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-assurance__grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .dn-section {
                padding: var(--dn-section-padding-mobile);
            }

            .dn-nav__links,
            .dn-nav__search {
                display: none;
            }

            .dn-nav__toggle {
                display: block;
            }

            .dn-nav__cta {
                display: none;
            }

            .dn-mobile-nav__cta {
                display: flex;
            }

            .dn-kpi__grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .dn-services__grid {
                grid-template-columns: 1fr;
            }

            .dn-comparison__grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .dn-milestones__grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .dn-news__item {
                flex-direction: column;
                align-items: flex-start;
            }

            .dn-news__thumb {
                width: 100%;
                height: 160px;
            }

            .dn-schedule__grid {
                grid-template-columns: 1fr;
            }

            .dn-gear__grid {
                grid-template-columns: 1fr;
            }

            .dn-assurance__grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .dn-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .dn-hero__floating-card--top {
                right: 0;
                top: -8px;
            }

            .dn-hero__floating-card--bottom {
                left: 0;
                bottom: -8px;
            }

            .dn-hero__stats {
                gap: 18px;
            }

            .dn-cta {
                padding: 52px 0;
            }

            .dn-kpi__number {
                font-size: 1.7rem;
            }

            .dn-partners__grid {
                gap: 10px;
            }

            .dn-partner-logo {
                padding: 14px 18px;
                font-size: 0.78rem;
            }

            .dn-footer__subscribe {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .dn-kpi__grid {
                grid-template-columns: 1fr;
            }

            .dn-kpi__item {
                padding: 20px 14px;
            }

            .dn-hero__title {
                font-size: 1.9rem;
            }

            .dn-hero__actions {
                flex-direction: column;
                gap: 10px;
            }

            .dn-hero__actions .dn-btn {
                width: 100%;
                justify-content: center;
            }

            .dn-comparison__wrap {
                padding: 22px 16px;
            }

            .dn-news__item {
                padding: 14px;
            }

            .dn-footer {
                padding: 36px 0 24px;
            }

            .dn-footer__bottom {
                gap: 6px;
            }
        }

/* roulang page: category2 */
:root {
            --dn-color-bg: #0a0b0e;
            --dn-color-bg-alt: #0f1114;
            --dn-color-card: #16181d;
            --dn-color-card-hover: #1a1d23;
            --dn-color-neon: #8bff00;
            --dn-color-neon-dim: rgba(139, 255, 0, 0.15);
            --dn-color-neon-glow: rgba(139, 255, 0, 0.45);
            --dn-color-violet: #8b5cf6;
            --dn-color-violet-dim: rgba(139, 92, 246, 0.18);
            --dn-color-violet-glow: rgba(139, 92, 246, 0.5);
            --dn-color-text: #e8e8e8;
            --dn-color-muted: #bdbdbd;
            --dn-color-faint: #8a8a8a;
            --dn-color-white: #f5f6f7;
            --dn-radius: 12px;
            --dn-radius-sm: 8px;
            --dn-border: rgba(139, 255, 0, 0.12);
            --dn-border-strong: rgba(139, 255, 0, 0.3);
            --dn-border-violet: rgba(139, 92, 246, 0.2);
            --dn-shadow-rest: 0 4px 16px rgba(0, 0, 0, 0.4);
            --dn-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
            --dn-shadow-neon: 0 0 24px rgba(139, 255, 0, 0.25);
            --dn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --dn-font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --dn-section-padding: 72px 0;
            --dn-section-padding-mobile: 48px 0;
            --dn-transition: 0.2s ease;
            --dn-transition-slow: 0.35s ease;
            --dn-max-width: 1200px;
            --dn-nav-height: 68px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--dn-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dn-color-text);
            background-color: var(--dn-color-bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--dn-color-neon);
            text-decoration: none;
            transition: color var(--dn-transition);
        }
        a:hover {
            color: var(--dn-color-violet);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--dn-color-neon);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .dn-container {
            max-width: var(--dn-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .dn-section {
            padding: var(--dn-section-padding);
            position: relative;
        }
        .dn-section--alt {
            background-color: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }
        .dn-section--grid-bg {
            background-image: linear-gradient(rgba(139, 255, 0, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(139, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .dn-section__eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 5px 14px;
            margin-bottom: 18px;
        }
        .dn-section__title {
            margin-bottom: 14px;
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--dn-color-white);
        }
        .dn-section__lead {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            margin-bottom: 36px;
            max-width: 680px;
        }
        .dn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--dn-font-sans);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all var(--dn-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .dn-btn--neon {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.35);
        }
        .dn-btn--neon:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 26px rgba(139, 92, 246, 0.5);
            transform: translateY(-3px);
        }
        .dn-btn--outline {
            background: transparent;
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border-strong);
        }
        .dn-btn--outline:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
            box-shadow: var(--dn-shadow-neon);
            transform: translateY(-2px);
        }
        .dn-btn--sm {
            padding: 9px 18px;
            font-size: 0.85rem;
            border-radius: 6px;
        }
        .dn-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            background: var(--dn-color-violet-dim);
            color: var(--dn-color-violet);
            border: 1px solid var(--dn-border-violet);
        }
        .dn-badge--neon {
            background: var(--dn-color-neon-dim);
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border);
        }
        .dn-badge--muted {
            background: rgba(138, 138, 138, 0.12);
            color: var(--dn-color-faint);
            border: 1px solid rgba(138, 138, 138, 0.2);
        }
        .dn-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            box-shadow: var(--dn-shadow-rest);
            transition: all var(--dn-transition);
            overflow: hidden;
        }
        .dn-card:hover {
            background: var(--dn-color-card-hover);
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover), var(--dn-shadow-neon);
            transform: translateY(-4px);
        }
        .dn-card__body {
            padding: 20px 22px;
        }
        .dn-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .dn-card__text {
            font-size: 0.9rem;
            color: var(--dn-color-muted);
            line-height: 1.65;
            margin-bottom: 12px;
        }
        .dn-card__meta {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .dn-card__img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .dn-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--dn-transition-slow);
        }
        .dn-card:hover .dn-card__img-wrap img {
            transform: scale(1.04);
        }
        .dn-card__img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 11, 14, 0.85) 100%);
            pointer-events: none;
        }
        .dn-card__tag-row {
            position: absolute;
            bottom: 12px;
            left: 14px;
            z-index: 2;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        /* Header */
        .dn-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 11, 14, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            height: var(--dn-nav-height);
        }
        .dn-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--dn-nav-height);
            gap: 20px;
        }
        .dn-nav__logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dn-color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .dn-nav__logo:hover {
            color: var(--dn-color-neon);
        }
        .dn-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--dn-color-neon);
            color: #0a0b0e;
            font-weight: 800;
            font-size: 1.05rem;
            border-radius: 8px;
            box-shadow: 0 0 14px rgba(139, 255, 0, 0.3);
        }
        .dn-nav__links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-nav__links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dn-color-muted);
            border-radius: 6px;
            transition: all var(--dn-transition);
            white-space: nowrap;
        }
        .dn-nav__links a:hover {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }
        .dn-nav__links a.dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
        }
        .dn-nav__right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .dn-nav__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 7px 14px;
            min-width: 210px;
            transition: border-color var(--dn-transition);
        }
        .dn-nav__search i {
            color: var(--dn-color-faint);
            font-size: 0.85rem;
        }
        .dn-nav__search input {
            background: transparent;
            border: none;
            color: var(--dn-color-text);
            font-size: 0.85rem;
            font-family: var(--dn-font-sans);
            width: 100%;
            outline: none;
        }
        .dn-nav__search input::placeholder {
            color: var(--dn-color-faint);
        }
        .dn-nav__search:focus-within {
            border-color: var(--dn-border-strong);
            box-shadow: 0 0 0 3px var(--dn-color-neon-dim);
        }
        .dn-nav__toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--dn-color-white);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: all var(--dn-transition);
        }
        .dn-nav__toggle:hover {
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }
        /* Breadcrumb */
        .dn-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .dn-breadcrumb a {
            color: var(--dn-color-faint);
            transition: color var(--dn-transition);
        }
        .dn-breadcrumb a:hover {
            color: var(--dn-color-neon);
        }
        .dn-breadcrumb .dn-breadcrumb__sep {
            color: var(--dn-color-faint);
            font-size: 0.7rem;
        }
        .dn-breadcrumb .dn-breadcrumb__current {
            color: var(--dn-color-neon);
            font-weight: 600;
        }
        /* Category Hero */
        .dn-cat-hero {
            background: var(--dn-color-bg-alt);
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            position: relative;
            overflow: hidden;
            padding: 52px 0 44px;
        }
        .dn-cat-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(139, 255, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .dn-cat-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .dn-cat-hero__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .dn-cat-hero__content h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--dn-color-white);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .dn-cat-hero__desc {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            line-height: 1.75;
            max-width: 540px;
        }
        .dn-cat-hero__visual {
            position: relative;
            border-radius: var(--dn-radius);
            overflow: hidden;
            box-shadow: var(--dn-shadow-hover);
            border: 1px solid var(--dn-border);
        }
        .dn-cat-hero__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 10;
        }
        .dn-cat-hero__visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(139, 255, 0, 0.12) 0%, transparent 50%, rgba(139, 92, 246, 0.1) 100%);
            pointer-events: none;
        }
        /* Stats strip */
        .dn-stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .dn-stat-item {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius-sm);
            padding: 18px 16px;
            text-align: center;
            transition: all var(--dn-transition);
        }
        .dn-stat-item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-neon);
            transform: translateY(-2px);
        }
        .dn-stat-item__num {
            font-family: var(--dn-font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--dn-color-neon);
            text-shadow: 0 0 16px rgba(139, 255, 0, 0.3);
            line-height: 1.2;
        }
        .dn-stat-item__label {
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            margin-top: 4px;
        }
        /* Schedule timeline */
        .dn-schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .dn-schedule-item {
            display: grid;
            grid-template-columns: 110px 1fr 160px;
            gap: 18px;
            align-items: center;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius-sm);
            padding: 18px 20px;
            transition: all var(--dn-transition);
        }
        .dn-schedule-item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-rest);
            background: var(--dn-color-card-hover);
        }
        .dn-schedule-item__time {
            font-family: var(--dn-font-mono);
            font-size: 0.9rem;
            color: var(--dn-color-neon);
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .dn-schedule-item__match {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .dn-schedule-item__team {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--dn-color-white);
        }
        .dn-schedule-item__vs {
            font-family: var(--dn-font-mono);
            font-size: 0.8rem;
            color: var(--dn-color-violet);
            font-weight: 700;
            padding: 2px 8px;
            background: var(--dn-color-violet-dim);
            border-radius: 4px;
        }
        .dn-schedule-item__tag {
            display: flex;
            justify-content: flex-end;
        }
        /* Bracket */
        .dn-bracket-panel {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 28px 24px;
            box-shadow: var(--dn-shadow-rest);
        }
        .dn-bracket-grid {
            display: grid;
            grid-template-columns: 1fr 72px 1fr;
            gap: 12px;
            align-items: center;
            margin-bottom: 16px;
        }
        .dn-bracket-team {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 6px;
            padding: 10px 14px;
            font-size: 0.88rem;
            color: var(--dn-color-text);
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--dn-transition);
        }
        .dn-bracket-team:hover {
            border-color: var(--dn-border-strong);
            background: var(--dn-color-neon-dim);
        }
        .dn-bracket-team__score {
            font-family: var(--dn-font-mono);
            color: var(--dn-color-neon);
            font-weight: 700;
        }
        .dn-bracket-vs {
            text-align: center;
            font-family: var(--dn-font-mono);
            font-size: 0.85rem;
            color: var(--dn-color-violet);
            font-weight: 700;
        }
        .dn-bracket-round-label {
            text-align: center;
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            margin-bottom: 4px;
            letter-spacing: 0.06em;
        }
        /* Hot matches */
        .dn-hot-match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        /* Info list */
        .dn-info-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .dn-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 16px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius-sm);
            transition: all var(--dn-transition);
            cursor: default;
        }
        .dn-info-item:hover {
            border-color: var(--dn-border-strong);
            background: var(--dn-color-card-hover);
        }
        .dn-info-item__dot {
            flex-shrink: 0;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--dn-color-neon);
            margin-top: 8px;
            box-shadow: 0 0 8px var(--dn-color-neon-glow);
        }
        .dn-info-item__text {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
        }
        .dn-info-item__text strong {
            color: var(--dn-color-white);
            font-weight: 600;
        }
        /* Ranking table */
        .dn-ranking-table-wrap {
            overflow-x: auto;
            border-radius: var(--dn-radius-sm);
            border: 1px solid var(--dn-border);
        }
        .dn-ranking-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .dn-ranking-table th {
            background: rgba(139, 255, 0, 0.06);
            color: var(--dn-color-neon);
            font-weight: 700;
            font-size: 0.82rem;
            text-align: left;
            padding: 12px 16px;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--dn-border);
        }
        .dn-ranking-table td {
            padding: 11px 16px;
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .dn-ranking-table tr:hover td {
            background: rgba(139, 255, 0, 0.03);
        }
        .dn-ranking-table .dn-rank-num {
            font-family: var(--dn-font-mono);
            font-weight: 700;
            color: var(--dn-color-violet);
            font-size: 0.95rem;
        }
        .dn-ranking-table .dn-rank-top1 {
            color: var(--dn-color-neon);
            font-weight: 800;
            text-shadow: 0 0 12px rgba(139, 255, 0, 0.4);
        }
        /* CTA banner */
        .dn-cta-banner {
            background: linear-gradient(135deg, rgba(139, 255, 0, 0.08) 0%, rgba(139, 92, 246, 0.1) 100%);
            border: 1px solid var(--dn-border-strong);
            border-radius: var(--dn-radius);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .dn-cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: 10%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(139, 255, 0, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .dn-cta-banner__text h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }
        .dn-cta-banner__text p {
            font-size: 0.9rem;
            color: var(--dn-color-muted);
            margin-bottom: 0;
        }
        /* Footer */
        .dn-footer {
            background: #07080a;
            border-top: 1px solid rgba(139, 255, 0, 0.08);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .dn-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .dn-footer__brand .dn-nav__logo {
            margin-bottom: 12px;
            display: inline-flex;
        }
        .dn-footer__desc {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            line-height: 1.7;
            max-width: 300px;
        }
        .dn-footer__title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .dn-footer__links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-footer__links li {
            margin-bottom: 8px;
        }
        .dn-footer__links a {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            transition: all var(--dn-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .dn-footer__links a:hover {
            color: var(--dn-color-neon);
            transform: translateX(3px);
        }
        .dn-footer__links i {
            font-size: 0.6rem;
            color: var(--dn-color-violet);
        }
        .dn-footer__subscribe {
            display: flex;
            gap: 8px;
        }
        .dn-footer__subscribe input {
            flex: 1;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            padding: 10px 14px;
            color: var(--dn-color-text);
            font-size: 0.82rem;
            font-family: var(--dn-font-sans);
            outline: none;
            transition: border-color var(--dn-transition);
            min-width: 0;
        }
        .dn-footer__subscribe input:focus {
            border-color: var(--dn-border-strong);
        }
        .dn-footer__sub-btn {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border: none;
            border-radius: 6px;
            padding: 10px 16px;
            font-weight: 700;
            font-size: 0.82rem;
            cursor: pointer;
            transition: all var(--dn-transition);
            white-space: nowrap;
            font-family: var(--dn-font-sans);
        }
        .dn-footer__sub-btn:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 16px rgba(139, 92, 246, 0.4);
        }
        .dn-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
        }
        .dn-footer__copyright {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
        }
        .dn-footer__legal {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-bottom: 0;
        }
        .dn-footer__bottom a {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
        }
        .dn-footer__bottom a:hover {
            color: var(--dn-color-neon);
        }
        /* Responsive */
        @media (max-width: 1023px) {
            .dn-nav__search {
                display: none;
            }
            .dn-cat-hero__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dn-cat-hero__visual {
                max-height: 280px;
            }
            .dn-cat-hero__visual img {
                aspect-ratio: 16 / 8;
            }
            .dn-stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-hot-match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-schedule-item {
                grid-template-columns: 90px 1fr;
                gap: 10px;
            }
            .dn-schedule-item__tag {
                grid-column: 2;
                justify-content: flex-start;
            }
            .dn-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 767px) {
            .dn-section {
                padding: var(--dn-section-padding-mobile);
            }
            .dn-container {
                padding: 0 16px;
            }
            .dn-nav__links {
                display: none;
                position: absolute;
                top: var(--dn-nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 11, 14, 0.98);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--dn-border);
                gap: 4px;
                z-index: 99;
            }
            .dn-nav__links.dn-nav__links--open {
                display: flex;
            }
            .dn-nav__links a {
                padding: 12px 14px;
                font-size: 0.95rem;
                display: block;
                width: 100%;
            }
            .dn-nav__cta {
                display: none;
            }
            .dn-nav__toggle {
                display: inline-flex;
            }
            .dn-cat-hero {
                padding: 32px 0 28px;
            }
            .dn-cat-hero__content h1 {
                font-size: 1.5rem;
            }
            .dn-cat-hero__desc {
                font-size: 0.92rem;
            }
            .dn-cat-hero__visual {
                max-height: 200px;
            }
            .dn-cat-hero__visual img {
                aspect-ratio: 16 / 7;
            }
            .dn-stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .dn-stat-item__num {
                font-size: 1.4rem;
            }
            .dn-schedule-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 14px 16px;
            }
            .dn-schedule-item__tag {
                grid-column: auto;
            }
            .dn-schedule-item__match {
                gap: 8px;
            }
            .dn-bracket-grid {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .dn-bracket-vs {
                font-size: 0.75rem;
            }
            .dn-hot-match-grid {
                grid-template-columns: 1fr;
            }
            .dn-cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 26px 20px;
            }
            .dn-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dn-footer__bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .dn-stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .dn-stat-item {
                padding: 12px 10px;
            }
            .dn-stat-item__num {
                font-size: 1.2rem;
            }
            .dn-section__title {
                font-size: 1.35rem;
            }
            .dn-btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --dn-color-bg: #0a0b0e;
            --dn-color-bg-alt: #0f1114;
            --dn-color-card: #16181d;
            --dn-color-card-hover: #1a1d23;
            --dn-color-neon: #8bff00;
            --dn-color-neon-dim: rgba(139, 255, 0, 0.15);
            --dn-color-neon-glow: rgba(139, 255, 0, 0.45);
            --dn-color-violet: #8b5cf6;
            --dn-color-violet-dim: rgba(139, 92, 246, 0.18);
            --dn-color-violet-glow: rgba(139, 92, 246, 0.5);
            --dn-color-text: #e8e8e8;
            --dn-color-muted: #bdbdbd;
            --dn-color-faint: #8a8a8a;
            --dn-color-white: #f5f6f7;
            --dn-radius: 12px;
            --dn-radius-sm: 8px;
            --dn-border: rgba(139, 255, 0, 0.12);
            --dn-border-strong: rgba(139, 255, 0, 0.3);
            --dn-border-violet: rgba(139, 92, 246, 0.2);
            --dn-shadow-rest: 0 4px 16px rgba(0, 0, 0, 0.4);
            --dn-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
            --dn-shadow-neon: 0 0 24px rgba(139, 255, 0, 0.25);
            --dn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --dn-font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --dn-section-padding: 72px 0;
            --dn-section-padding-mobile: 48px 0;
            --dn-transition: 0.2s ease;
            --dn-transition-slow: 0.35s ease;
            --dn-max-width: 1200px;
            --dn-nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--dn-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dn-color-text);
            background-color: var(--dn-color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--dn-color-neon);
            text-decoration: none;
            transition: color var(--dn-transition);
        }
        a:hover {
            color: var(--dn-color-violet);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--dn-color-neon);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .dn-container {
            max-width: var(--dn-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .dn-section {
            padding: var(--dn-section-padding);
            position: relative;
        }
        .dn-section--alt {
            background-color: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }
        .dn-section--grid-bg {
            background-image:
                linear-gradient(rgba(139, 255, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .dn-section--dark-overlay {
            position: relative;
            background-size: cover;
            background-position: center;
        }
        .dn-section--dark-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 11, 14, 0.88);
            z-index: 1;
        }
        .dn-section--dark-overlay .dn-container {
            position: relative;
            z-index: 2;
        }
        .dn-section__eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 5px 14px;
            margin-bottom: 18px;
        }
        .dn-section__title {
            margin-bottom: 14px;
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dn-color-white);
            letter-spacing: -0.01em;
        }
        .dn-section__lead {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            margin-bottom: 36px;
            max-width: 680px;
            line-height: 1.75;
        }
        .dn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--dn-font-sans);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all var(--dn-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            position: relative;
            line-height: 1.4;
        }
        .dn-btn--neon {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.35);
        }
        .dn-btn--neon:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 26px rgba(139, 92, 246, 0.5);
            transform: translateY(-3px);
        }
        .dn-btn--outline {
            background: transparent;
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border-strong);
            box-shadow: none;
        }
        .dn-btn--outline:hover {
            background: var(--dn-color-neon-dim);
            color: var(--dn-color-neon);
            border-color: var(--dn-color-neon);
            transform: translateY(-3px);
        }
        .dn-btn--sm {
            padding: 9px 18px;
            font-size: 0.85rem;
        }
        .dn-btn--lg {
            padding: 16px 34px;
            font-size: 1.05rem;
        }
        .dn-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 11, 14, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(139, 255, 0, 0.1);
            min-height: var(--dn-nav-height);
            display: flex;
            align-items: center;
        }
        .dn-header .dn-container {
            width: 100%;
        }
        .dn-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .dn-nav__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dn-color-white);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: color var(--dn-transition);
        }
        .dn-nav__logo:hover {
            color: var(--dn-color-neon);
        }
        .dn-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--dn-color-neon);
            color: #0a0b0e;
            font-size: 1.1rem;
            font-weight: 900;
            border-radius: 8px;
            box-shadow: 0 0 14px rgba(139, 255, 0, 0.35);
        }
        .dn-nav__links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-nav__links li {
            margin: 0;
        }
        .dn-nav__links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dn-color-muted);
            border-radius: 6px;
            transition: all var(--dn-transition);
            white-space: nowrap;
        }
        .dn-nav__links a:hover {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }
        .dn-nav__links a.dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
        }
        .dn-nav__right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .dn-nav__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: 8px;
            padding: 7px 14px;
            transition: border-color var(--dn-transition);
        }
        .dn-nav__search:focus-within {
            border-color: var(--dn-color-neon);
            box-shadow: 0 0 12px rgba(139, 255, 0, 0.15);
        }
        .dn-nav__search i {
            color: var(--dn-color-faint);
            font-size: 0.85rem;
        }
        .dn-nav__search input {
            background: transparent;
            border: none;
            color: var(--dn-color-text);
            font-family: var(--dn-font-sans);
            font-size: 0.85rem;
            outline: none;
            width: 170px;
        }
        .dn-nav__search input::placeholder {
            color: var(--dn-color-faint);
        }
        .dn-nav__toggle {
            display: none;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            color: var(--dn-color-white);
            font-size: 1.2rem;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--dn-transition);
        }
        .dn-nav__toggle:hover {
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
        }
        .dn-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .dn-breadcrumb a {
            color: var(--dn-color-muted);
            transition: color var(--dn-transition);
        }
        .dn-breadcrumb a:hover {
            color: var(--dn-color-neon);
        }
        .dn-breadcrumb i {
            font-size: 0.65rem;
            color: var(--dn-color-faint);
        }
        .dn-breadcrumb .dn-breadcrumb__current {
            color: var(--dn-color-neon);
            font-weight: 600;
        }
        .dn-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            transition: all var(--dn-transition);
        }
        .dn-tag--neon {
            background: var(--dn-color-neon-dim);
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border);
        }
        .dn-tag--violet {
            background: var(--dn-color-violet-dim);
            color: #b39ddb;
            border: 1px solid var(--dn-border-violet);
        }
        .dn-tag--gray {
            background: rgba(189, 189, 189, 0.1);
            color: var(--dn-color-muted);
            border: 1px solid rgba(189, 189, 189, 0.15);
        }
        .dn-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 24px;
            transition: all var(--dn-transition);
            position: relative;
            overflow: hidden;
            box-shadow: var(--dn-shadow-rest);
        }
        .dn-card:hover {
            background: var(--dn-color-card-hover);
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover), 0 0 20px rgba(139, 255, 0, 0.08);
            transform: translateY(-4px);
        }
        .dn-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .dn-card__desc {
            font-size: 0.9rem;
            color: var(--dn-color-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .dn-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--dn-color-faint);
        }
        .dn-card__image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 16px;
            background: var(--dn-color-bg-alt);
        }
        .dn-article-card {
            display: flex;
            gap: 20px;
            padding: 18px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            margin-bottom: 16px;
            transition: all var(--dn-transition);
            position: relative;
            overflow: hidden;
        }
        .dn-article-card:hover {
            background: var(--dn-color-card-hover);
            border-color: var(--dn-border-strong);
            transform: translateY(-3px);
            box-shadow: var(--dn-shadow-hover);
        }
        .dn-article-card__thumb {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: 8px;
            object-fit: cover;
            background: var(--dn-color-bg-alt);
        }
        .dn-article-card__body {
            flex: 1;
            min-width: 0;
        }
        .dn-article-card__title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dn-color-white);
            line-height: 1.45;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .dn-article-card__title a {
            color: var(--dn-color-white);
            transition: color var(--dn-transition);
        }
        .dn-article-card__title a:hover {
            color: var(--dn-color-neon);
        }
        .dn-article-card__excerpt {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            line-height: 1.65;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .dn-article-card__footer {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--dn-color-faint);
        }
        .dn-sidebar {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 22px;
            margin-bottom: 20px;
        }
        .dn-sidebar__title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(139, 255, 0, 0.1);
        }
        .dn-sidebar__list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-sidebar__list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(189, 189, 189, 0.08);
        }
        .dn-sidebar__list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .dn-sidebar__list a {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            line-height: 1.5;
            display: block;
            transition: color var(--dn-transition);
        }
        .dn-sidebar__list a:hover {
            color: var(--dn-color-neon);
        }
        .dn-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .dn-tag-cloud .dn-tag {
            cursor: pointer;
        }
        .dn-tag-cloud .dn-tag:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
        }
        .dn-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .dn-stat-item {
            text-align: center;
            padding: 20px 16px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            transition: all var(--dn-transition);
        }
        .dn-stat-item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-neon);
        }
        .dn-stat-item__number {
            font-family: var(--dn-font-mono);
            font-size: 2rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            text-shadow: 0 0 20px rgba(139, 255, 0, 0.4);
            margin-bottom: 6px;
            line-height: 1.2;
        }
        .dn-stat-item__label {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
        }
        .dn-topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .dn-topic-card {
            position: relative;
            border-radius: var(--dn-radius);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--dn-color-bg-alt);
            border: 1px solid var(--dn-border);
            transition: all var(--dn-transition);
            cursor: pointer;
        }
        .dn-topic-card:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-4px);
        }
        .dn-topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--dn-transition-slow);
        }
        .dn-topic-card:hover img {
            transform: scale(1.05);
        }
        .dn-topic-card__overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 18px;
            background: linear-gradient(transparent, rgba(10, 11, 14, 0.92));
        }
        .dn-topic-card__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }
        .dn-topic-card__meta {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
        }
        .dn-related-links {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }
        .dn-related-link {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 18px;
            text-align: center;
            transition: all var(--dn-transition);
            display: block;
        }
        .dn-related-link:hover {
            border-color: var(--dn-border-strong);
            background: var(--dn-color-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--dn-shadow-hover);
        }
        .dn-related-link i {
            font-size: 1.6rem;
            color: var(--dn-color-neon);
            margin-bottom: 10px;
            display: block;
        }
        .dn-related-link span {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dn-color-white);
        }
        .dn-footer {
            background: #08090b;
            border-top: 1px solid rgba(139, 255, 0, 0.08);
            padding: 56px 0 28px;
        }
        .dn-footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .dn-footer__brand .dn-nav__logo {
            margin-bottom: 14px;
        }
        .dn-footer__desc {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            line-height: 1.7;
            max-width: 300px;
        }
        .dn-footer__title {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .dn-footer__links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-footer__links li {
            margin-bottom: 10px;
        }
        .dn-footer__links a {
            font-size: 0.85rem;
            color: var(--dn-color-muted);
            transition: color var(--dn-transition);
        }
        .dn-footer__links a:hover {
            color: var(--dn-color-neon);
        }
        .dn-footer__links i {
            font-size: 0.6rem;
            margin-right: 6px;
            color: var(--dn-color-neon);
            opacity: 0.6;
        }
        .dn-footer__subscribe {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }
        .dn-footer__subscribe input {
            flex: 1;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: 6px;
            padding: 10px 14px;
            color: var(--dn-color-text);
            font-family: var(--dn-font-sans);
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--dn-transition);
            min-width: 0;
        }
        .dn-footer__subscribe input:focus {
            border-color: var(--dn-color-neon);
        }
        .dn-footer__sub-btn {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border: none;
            border-radius: 6px;
            padding: 10px 18px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            font-family: var(--dn-font-sans);
            transition: all var(--dn-transition);
            white-space: nowrap;
        }
        .dn-footer__sub-btn:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 18px rgba(139, 92, 246, 0.45);
        }
        .dn-footer__bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            padding-top: 24px;
            border-top: 1px solid rgba(189, 189, 189, 0.08);
            font-size: 0.78rem;
            color: var(--dn-color-faint);
        }
        .dn-footer__bottom a {
            color: var(--dn-color-muted);
        }
        .dn-footer__bottom a:hover {
            color: var(--dn-color-neon);
        }
        .dn-footer__bottom p {
            margin: 0;
        }
        .dn-page-header {
            padding: 42px 0 28px;
            background: var(--dn-color-bg-alt);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }
        .dn-page-header h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dn-color-white);
            margin-bottom: 10px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .dn-page-header p {
            font-size: 1rem;
            color: var(--dn-color-muted);
            max-width: 650px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .dn-mobile-menu {
            display: none;
            position: fixed;
            top: var(--dn-nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 11, 14, 0.98);
            z-index: 99;
            padding: 24px;
            overflow-y: auto;
        }
        .dn-mobile-menu.open {
            display: block;
        }
        .dn-mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-mobile-menu ul li {
            margin-bottom: 4px;
        }
        .dn-mobile-menu ul a {
            display: block;
            padding: 14px 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dn-color-muted);
            border-radius: 8px;
            transition: all var(--dn-transition);
        }
        .dn-mobile-menu ul a:hover,
        .dn-mobile-menu ul a.dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }
        @media (max-width: 1024px) {
            .dn-nav__search input {
                width: 120px;
            }
            .dn-topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-related-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-footer__grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .dn-nav__links,
            .dn-nav__right .dn-nav__search,
            .dn-nav__right .dn-nav__cta {
                display: none;
            }
            .dn-nav__toggle {
                display: inline-flex;
            }
            .dn-article-card {
                flex-direction: column;
            }
            .dn-article-card__thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
            .dn-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .dn-topic-grid {
                grid-template-columns: 1fr;
            }
            .dn-related-links {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .dn-related-link {
                padding: 14px 10px;
            }
            .dn-related-link i {
                font-size: 1.2rem;
            }
            .dn-section {
                padding: var(--dn-section-padding-mobile);
            }
            .dn-section__title {
                font-size: 1.6rem;
            }
            .dn-page-header h1 {
                font-size: 1.7rem;
            }
            .dn-footer__grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .dn-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .dn-container {
                padding: 0 16px;
            }
            .dn-related-links {
                grid-template-columns: 1fr;
            }
            .dn-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .dn-stat-item {
                padding: 14px 10px;
            }
            .dn-stat-item__number {
                font-size: 1.5rem;
            }
            .dn-section__title {
                font-size: 1.4rem;
            }
            .dn-page-header h1 {
                font-size: 1.45rem;
            }
        }

/* roulang page: category3 */
:root {
            --dn-color-bg: #0a0b0e;
            --dn-color-bg-alt: #0f1114;
            --dn-color-card: #16181d;
            --dn-color-card-hover: #1a1d23;
            --dn-color-neon: #8bff00;
            --dn-color-neon-dim: rgba(139, 255, 0, 0.15);
            --dn-color-neon-glow: rgba(139, 255, 0, 0.45);
            --dn-color-violet: #8b5cf6;
            --dn-color-violet-dim: rgba(139, 92, 246, 0.18);
            --dn-color-violet-glow: rgba(139, 92, 246, 0.5);
            --dn-color-text: #e8e8e8;
            --dn-color-muted: #bdbdbd;
            --dn-color-faint: #8a8a8a;
            --dn-color-white: #f5f6f7;
            --dn-radius: 12px;
            --dn-radius-sm: 8px;
            --dn-border: rgba(139, 255, 0, 0.12);
            --dn-border-strong: rgba(139, 255, 0, 0.3);
            --dn-border-violet: rgba(139, 92, 246, 0.2);
            --dn-shadow-rest: 0 4px 16px rgba(0, 0, 0, 0.4);
            --dn-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
            --dn-shadow-neon: 0 0 24px rgba(139, 255, 0, 0.25);
            --dn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --dn-font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --dn-section-padding: 72px 0;
            --dn-section-padding-mobile: 48px 0;
            --dn-transition: 0.2s ease;
            --dn-transition-slow: 0.35s ease;
            --dn-max-width: 1200px;
            --dn-nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dn-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dn-color-text);
            background-color: var(--dn-color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            color: var(--dn-color-neon);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        a:hover {
            color: var(--dn-color-violet);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible,
        .dn-accordion-title:focus-visible {
            outline: 2px solid var(--dn-color-neon);
            outline-offset: 3px;
            border-radius: 4px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--dn-font-sans);
            font-weight: 700;
            line-height: 1.25;
            color: var(--dn-color-white);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 700;
        }

        h3 {
            font-size: 1.2rem;
            font-weight: 700;
        }

        p {
            margin: 0 0 16px;
            color: var(--dn-color-muted);
        }

        .dn-container {
            max-width: var(--dn-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .dn-section {
            padding: var(--dn-section-padding);
            position: relative;
        }

        .dn-section--alt {
            background-color: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }

        .dn-section--grid-bg {
            background-image:
                linear-gradient(rgba(139, 255, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
        }

        .dn-section--dark-overlay {
            position: relative;
            background-size: cover;
            background-position: center;
        }

        .dn-section--dark-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 11, 14, 0.88);
            z-index: 1;
        }

        .dn-section--dark-overlay .dn-container {
            position: relative;
            z-index: 2;
        }

        .dn-section__eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 5px 14px;
            margin-bottom: 18px;
        }

        .dn-section__title {
            margin-bottom: 14px;
        }

        .dn-section__lead {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            margin-bottom: 36px;
            max-width: 680px;
        }

        .dn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--dn-font-sans);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: var(--dn-radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--dn-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            position: relative;
            line-height: 1.4;
        }

        .dn-btn--neon {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.35);
        }

        .dn-btn--neon:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 26px rgba(139, 92, 246, 0.5);
            transform: translateY(-3px);
        }

        .dn-btn--outline {
            background: transparent;
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border-strong);
            box-shadow: none;
        }

        .dn-btn--outline:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.2);
            transform: translateY(-3px);
        }

        .dn-btn--violet {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 18px rgba(139, 92, 246, 0.35);
        }

        .dn-btn--violet:hover {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 26px rgba(139, 255, 0, 0.5);
            transform: translateY(-3px);
        }

        .dn-btn--sm {
            padding: 9px 18px;
            font-size: 0.85rem;
        }

        .dn-btn--lg {
            padding: 15px 34px;
            font-size: 1.05rem;
        }

        .dn-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        .dn-badge--neon {
            background: var(--dn-color-neon-dim);
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border);
        }

        .dn-badge--violet {
            background: var(--dn-color-violet-dim);
            color: var(--dn-color-violet);
            border: 1px solid var(--dn-border-violet);
        }

        .dn-badge--gray {
            background: rgba(255, 255, 255, 0.06);
            color: var(--dn-color-faint);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ============ HEADER / NAV ============ */
        .dn-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 11, 14, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            min-height: var(--dn-nav-height);
            display: flex;
            align-items: center;
        }

        .dn-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            font-family: var(--dn-font-sans);
        }

        .dn-nav__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dn-color-white);
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
            transition: color var(--dn-transition);
        }

        .dn-nav__logo:hover {
            color: var(--dn-color-neon);
        }

        .dn-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--dn-color-neon) 0%, var(--dn-color-violet) 100%);
            color: #0a0b0e;
            font-size: 0.95rem;
            font-weight: 800;
            border-radius: 8px;
            letter-spacing: 0;
        }

        .dn-nav__links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dn-nav__links li {
            margin: 0;
        }

        .dn-nav__links a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--dn-color-muted);
            text-decoration: none;
            border-radius: 6px;
            transition: all var(--dn-transition);
            letter-spacing: 0.01em;
            position: relative;
        }

        .dn-nav__links a:hover {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }

        .dn-nav__links .dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            font-weight: 600;
        }

        .dn-nav__links .dn-nav__link--active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--dn-color-neon);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--dn-color-neon-glow);
        }

        .dn-nav__right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .dn-nav__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 7px 14px;
            transition: border-color var(--dn-transition);
        }

        .dn-nav__search:focus-within {
            border-color: var(--dn-color-neon);
            box-shadow: 0 0 8px rgba(139, 255, 0, 0.15);
        }

        .dn-nav__search i {
            color: var(--dn-color-faint);
            font-size: 0.85rem;
        }

        .dn-nav__search input {
            background: transparent;
            border: none;
            color: var(--dn-color-text);
            font-size: 0.85rem;
            outline: none;
            font-family: var(--dn-font-sans);
            width: 170px;
        }

        .dn-nav__search input::placeholder {
            color: var(--dn-color-faint);
        }

        .dn-nav__toggle {
            display: none;
            background: none;
            border: none;
            color: var(--dn-color-text);
            font-size: 1.3rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: color var(--dn-transition);
        }

        .dn-nav__toggle:hover {
            color: var(--dn-color-neon);
        }

        /* ============ BREADCRUMB ============ */
        .dn-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .dn-breadcrumb a {
            color: var(--dn-color-faint);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        .dn-breadcrumb a:hover {
            color: var(--dn-color-neon);
        }

        .dn-breadcrumb .dn-breadcrumb__sep {
            color: rgba(139, 255, 0, 0.4);
            font-size: 0.7rem;
        }

        .dn-breadcrumb .dn-breadcrumb__current {
            color: var(--dn-color-neon);
            font-weight: 600;
        }

        /* ============ CATEGORY HERO ============ */
        .dn-cat-hero {
            position: relative;
            padding: 48px 0 56px;
            background: var(--dn-color-bg);
            overflow: hidden;
            border-bottom: 1px solid var(--dn-border);
        }

        .dn-cat-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .dn-cat-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(139, 255, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .dn-cat-hero__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .dn-cat-hero__content h1 {
            font-size: 2.2rem;
            margin-bottom: 16px;
            color: var(--dn-color-white);
        }

        .dn-cat-hero__content h1 .dn-highlight {
            color: var(--dn-color-neon);
            text-shadow: 0 0 20px rgba(139, 255, 0, 0.3);
        }

        .dn-cat-hero__desc {
            font-size: 1rem;
            color: var(--dn-color-muted);
            margin-bottom: 20px;
            max-width: 520px;
        }

        .dn-cat-hero__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .dn-cat-hero__visual {
            position: relative;
            border-radius: var(--dn-radius);
            overflow: hidden;
            box-shadow: var(--dn-shadow-hover);
            border: 1px solid var(--dn-border);
        }

        .dn-cat-hero__visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform var(--dn-transition-slow);
        }

        .dn-cat-hero__visual:hover img {
            transform: scale(1.04);
        }

        .dn-cat-hero__visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(10, 11, 14, 0.85));
            font-size: 0.85rem;
            color: var(--dn-color-muted);
        }

        /* ============ EQUIPMENT CARDS ============ */
        .dn-gear-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dn-gear-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            overflow: hidden;
            transition: all var(--dn-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--dn-shadow-rest);
        }

        .dn-gear-card:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover), var(--dn-shadow-neon);
            transform: translateY(-4px);
            background: var(--dn-color-card-hover);
        }

        .dn-gear-card__image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .dn-gear-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--dn-transition-slow);
        }

        .dn-gear-card:hover .dn-gear-card__image img {
            transform: scale(1.06);
        }

        .dn-gear-card__image .dn-gear-card__label {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .dn-gear-card__body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .dn-gear-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .dn-gear-card__desc {
            font-size: 0.88rem;
            color: var(--dn-color-muted);
            margin-bottom: 14px;
            line-height: 1.6;
            flex: 1;
        }

        .dn-gear-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }

        .dn-gear-card__score {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--dn-color-neon);
            font-family: var(--dn-font-mono);
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* ============ COMPARISON TABLE ============ */
        .dn-table-wrap {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            overflow: hidden;
            box-shadow: var(--dn-shadow-rest);
        }

        .dn-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
            color: var(--dn-color-muted);
        }

        .dn-table thead {
            background: rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid var(--dn-border-strong);
        }

        .dn-table th {
            font-weight: 700;
            font-size: 0.82rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--dn-color-neon);
            padding: 14px 18px;
            text-align: left;
            white-space: nowrap;
        }

        .dn-table td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--dn-color-muted);
        }

        .dn-table tbody tr:last-child td {
            border-bottom: none;
        }

        .dn-table tbody tr {
            transition: background var(--dn-transition);
        }

        .dn-table tbody tr:hover {
            background: rgba(139, 255, 0, 0.04);
        }

        .dn-table .dn-table__name {
            font-weight: 600;
            color: var(--dn-color-white);
        }

        .dn-table .dn-table__highlight {
            color: var(--dn-color-neon);
            font-family: var(--dn-font-mono);
            font-weight: 700;
        }

        /* ============ RECOMMENDED BUNDLES ============ */
        .dn-bundle-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dn-bundle-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 28px 24px;
            transition: all var(--dn-transition);
            position: relative;
            box-shadow: var(--dn-shadow-rest);
        }

        .dn-bundle-card:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-4px);
        }

        .dn-bundle-card--featured {
            border-color: var(--dn-border-strong);
            background: linear-gradient(180deg, rgba(139, 255, 0, 0.05) 0%, var(--dn-color-card) 40%);
            box-shadow: var(--dn-shadow-rest), var(--dn-shadow-neon);
        }

        .dn-bundle-card__badge {
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--dn-color-neon);
            color: #0a0b0e;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 12px rgba(139, 255, 0, 0.4);
        }

        .dn-bundle-card__name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }

        .dn-bundle-card__target {
            font-size: 0.8rem;
            color: var(--dn-color-violet);
            font-weight: 600;
            margin-bottom: 16px;
            display: inline-block;
            background: var(--dn-color-violet-dim);
            padding: 3px 10px;
            border-radius: 50px;
        }

        .dn-bundle-card__items {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .dn-bundle-card__items li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
            color: var(--dn-color-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dn-bundle-card__items li:last-child {
            border-bottom: none;
        }

        .dn-bundle-card__items li::before {
            content: '▸';
            color: var(--dn-color-neon);
            font-weight: 700;
        }

        .dn-bundle-card__price {
            font-size: 1.4rem;
            font-weight: 800;
            font-family: var(--dn-font-mono);
            color: var(--dn-color-neon);
            margin-bottom: 16px;
        }

        /* ============ REVIEW LIST ============ */
        .dn-review-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .dn-review-item {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 16px;
            transition: all var(--dn-transition);
            cursor: pointer;
        }

        .dn-review-item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-rest);
            background: var(--dn-color-card-hover);
        }

        .dn-review-item__image {
            border-radius: var(--dn-radius-sm);
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .dn-review-item__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--dn-transition-slow);
        }

        .dn-review-item:hover .dn-review-item__image img {
            transform: scale(1.06);
        }

        .dn-review-item__content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .dn-review-item__title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
            line-height: 1.35;
        }

        .dn-review-item__excerpt {
            font-size: 0.85rem;
            color: var(--dn-color-muted);
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .dn-review-item__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--dn-color-faint);
        }

        /* ============ DATA SNAPSHOT ============ */
        .dn-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 32px 24px;
            box-shadow: var(--dn-shadow-rest);
        }

        .dn-stat-item {
            text-align: center;
            position: relative;
            padding: 0 12px;
        }

        .dn-stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 50px;
            background: rgba(139, 255, 0, 0.1);
        }

        .dn-stat-item__number {
            font-family: var(--dn-font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            text-shadow: 0 0 20px rgba(139, 255, 0, 0.35);
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .dn-stat-item__label {
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            font-weight: 500;
        }

        /* ============ CTA ============ */
        .dn-cta-box {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border-strong);
            border-radius: var(--dn-radius);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--dn-shadow-rest), var(--dn-shadow-neon);
            position: relative;
            overflow: hidden;
        }

        .dn-cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(139, 255, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .dn-cta-box h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .dn-cta-box p {
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            color: var(--dn-color-muted);
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }

        .dn-cta-box .dn-btn {
            position: relative;
            z-index: 1;
        }

        /* ============ FOOTER ============ */
        .dn-footer {
            background: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.08);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .dn-footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .dn-footer__brand .dn-nav__logo {
            margin-bottom: 12px;
        }

        .dn-footer__desc {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            line-height: 1.6;
            max-width: 280px;
            margin-bottom: 0;
        }

        .dn-footer__title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .dn-footer__links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dn-footer__links li {
            margin-bottom: 8px;
        }

        .dn-footer__links a {
            font-size: 0.85rem;
            color: var(--dn-color-muted);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--dn-transition);
        }

        .dn-footer__links a i {
            font-size: 0.6rem;
            color: var(--dn-color-neon);
            opacity: 0.7;
        }

        .dn-footer__links a:hover {
            color: var(--dn-color-neon);
        }

        .dn-footer__subscribe {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .dn-footer__subscribe input {
            flex: 1;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 9px 14px;
            font-size: 0.82rem;
            color: var(--dn-color-text);
            outline: none;
            font-family: var(--dn-font-sans);
            min-width: 0;
        }

        .dn-footer__subscribe input:focus {
            border-color: var(--dn-color-neon);
            box-shadow: 0 0 8px rgba(139, 255, 0, 0.15);
        }

        .dn-footer__subscribe input::placeholder {
            color: var(--dn-color-faint);
        }

        .dn-footer__sub-btn {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border: none;
            padding: 9px 16px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.82rem;
            cursor: pointer;
            transition: all var(--dn-transition);
            white-space: nowrap;
        }

        .dn-footer__sub-btn:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 14px rgba(139, 92, 246, 0.4);
        }

        .dn-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--dn-color-faint);
        }

        .dn-footer__bottom p {
            margin: 0;
        }

        .dn-footer__bottom a {
            color: var(--dn-color-faint);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        .dn-footer__bottom a:hover {
            color: var(--dn-color-neon);
        }

        .dn-footer__legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .dn-nav__search input {
                width: 130px;
            }
            .dn-gear-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-bundle-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-footer__grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --dn-section-padding: 48px 0;
            }
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .dn-nav__links {
                display: none;
                position: absolute;
                top: var(--dn-nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 11, 14, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--dn-border);
                z-index: 99;
                box-shadow: var(--dn-shadow-hover);
            }
            .dn-nav__links.show {
                display: flex;
            }
            .dn-nav__links a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .dn-nav__links .dn-nav__link--active::after {
                display: none;
            }
            .dn-nav__right {
                gap: 6px;
            }
            .dn-nav__search {
                display: none;
            }
            .dn-nav__cta {
                display: none;
            }
            .dn-nav__toggle {
                display: block;
            }
            .dn-cat-hero__grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .dn-cat-hero__content h1 {
                font-size: 1.75rem;
            }
            .dn-cat-hero__visual img {
                height: 220px;
            }
            .dn-gear-grid {
                grid-template-columns: 1fr;
            }
            .dn-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px 16px;
                padding: 24px 16px;
            }
            .dn-stat-item:not(:last-child)::after {
                display: none;
            }
            .dn-stat-item:nth-child(odd)::after {
                content: '';
                position: absolute;
                right: -8px;
                top: 50%;
                transform: translateY(-50%);
                width: 1px;
                height: 40px;
                background: rgba(139, 255, 0, 0.1);
            }
            .dn-bundle-grid {
                grid-template-columns: 1fr;
            }
            .dn-review-item {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .dn-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dn-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .dn-cta-box {
                padding: 32px 20px;
            }
            .dn-cta-box h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .dn-container {
                padding: 0 16px;
            }
            .dn-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 18px 10px;
                padding: 20px 12px;
            }
            .dn-stat-item__number {
                font-size: 1.6rem;
            }
            .dn-stat-item__label {
                font-size: 0.72rem;
            }
            .dn-table-wrap {
                overflow-x: auto;
            }
            .dn-table {
                font-size: 0.78rem;
                min-width: 600px;
            }
            .dn-table th,
            .dn-table td {
                padding: 10px 12px;
            }
            .dn-cat-hero__visual img {
                height: 180px;
            }
        }

/* roulang page: category4 */
:root {
            --dn-color-bg: #0a0b0e;
            --dn-color-bg-alt: #0f1114;
            --dn-color-card: #16181d;
            --dn-color-card-hover: #1a1d23;
            --dn-color-neon: #8bff00;
            --dn-color-neon-dim: rgba(139, 255, 0, 0.15);
            --dn-color-neon-glow: rgba(139, 255, 0, 0.45);
            --dn-color-violet: #8b5cf6;
            --dn-color-violet-dim: rgba(139, 92, 246, 0.18);
            --dn-color-violet-glow: rgba(139, 92, 246, 0.5);
            --dn-color-text: #e8e8e8;
            --dn-color-muted: #bdbdbd;
            --dn-color-faint: #8a8a8a;
            --dn-color-white: #f5f6f7;
            --dn-radius: 12px;
            --dn-radius-sm: 8px;
            --dn-border: rgba(139, 255, 0, 0.12);
            --dn-border-strong: rgba(139, 255, 0, 0.3);
            --dn-border-violet: rgba(139, 92, 246, 0.2);
            --dn-shadow-rest: 0 4px 16px rgba(0, 0, 0, 0.4);
            --dn-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
            --dn-shadow-neon: 0 0 24px rgba(139, 255, 0, 0.25);
            --dn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --dn-font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --dn-section-padding: 64px 0;
            --dn-section-padding-mobile: 44px 0;
            --dn-transition: 0.2s ease;
            --dn-transition-slow: 0.35s ease;
            --dn-max-width: 1200px;
            --dn-nav-height: 68px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dn-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dn-color-text);
            background-color: var(--dn-color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            color: var(--dn-color-neon);
            text-decoration: none;
            transition: color var(--dn-transition);
        }

        a:hover {
            color: var(--dn-color-violet);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--dn-color-neon);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .dn-container {
            max-width: var(--dn-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .dn-section {
            padding: var(--dn-section-padding);
            position: relative;
        }

        .dn-section--alt {
            background-color: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }

        .dn-section--grid-bg {
            background-image:
                linear-gradient(rgba(139, 255, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
        }

        .dn-section--dark-overlay {
            position: relative;
            background-size: cover;
            background-position: center;
        }

        .dn-section--dark-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 11, 14, 0.88);
            z-index: 1;
        }

        .dn-section--dark-overlay .dn-container {
            position: relative;
            z-index: 2;
        }

        .dn-section__eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 4px 14px;
            margin-bottom: 16px;
        }

        .dn-section__title {
            margin-bottom: 12px;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--dn-color-white);
        }

        .dn-section__lead {
            font-size: 1rem;
            color: var(--dn-color-muted);
            margin-bottom: 32px;
            max-width: 680px;
        }

        .dn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--dn-font-sans);
            font-weight: 700;
            font-size: 0.92rem;
            padding: 11px 24px;
            border-radius: var(--dn-radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--dn-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            position: relative;
            line-height: 1.4;
        }

        .dn-btn--neon {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.35);
        }

        .dn-btn--neon:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 26px rgba(139, 92, 246, 0.5);
            transform: translateY(-3px);
        }

        .dn-btn--outline {
            background: transparent;
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border-strong);
        }

        .dn-btn--outline:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-color-neon);
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.2);
            transform: translateY(-3px);
        }

        .dn-btn--sm {
            padding: 8px 18px;
            font-size: 0.82rem;
        }

        .dn-btn--violet {
            background: var(--dn-color-violet-dim);
            color: var(--dn-color-violet);
            border: 1px solid var(--dn-border-violet);
        }

        .dn-btn--violet:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 22px rgba(139, 92, 246, 0.4);
            transform: translateY(-3px);
        }

        .dn-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 26px;
            transition: all var(--dn-transition);
            box-shadow: var(--dn-shadow-rest);
            position: relative;
        }

        .dn-card:hover {
            background: var(--dn-color-card-hover);
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-4px);
        }

        .dn-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        .dn-tag--neon {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
        }

        .dn-tag--violet {
            color: var(--dn-color-violet);
            background: var(--dn-color-violet-dim);
            border: 1px solid var(--dn-border-violet);
        }

        .dn-tag--muted {
            color: var(--dn-color-faint);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .dn-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: var(--dn-nav-height);
            flex-wrap: nowrap;
        }

        .dn-nav__logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--dn-color-white);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .dn-nav__logo:hover {
            color: var(--dn-color-neon);
        }

        .dn-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border-strong);
            color: var(--dn-color-neon);
            font-size: 1rem;
            font-weight: 800;
            box-shadow: 0 0 12px rgba(139, 255, 0, 0.2);
        }

        .dn-nav__links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .dn-nav__links li a {
            display: inline-block;
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--dn-color-muted);
            padding: 6px 12px;
            border-radius: 6px;
            transition: all var(--dn-transition);
            white-space: nowrap;
        }

        .dn-nav__links li a:hover {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }

        .dn-nav__links li a.dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            font-weight: 600;
        }

        .dn-nav__right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .dn-nav__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--dn-color-card);
            border: 1px solid rgba(139, 255, 0, 0.1);
            border-radius: 8px;
            padding: 7px 12px;
            width: 190px;
            transition: all var(--dn-transition);
        }

        .dn-nav__search:focus-within {
            border-color: var(--dn-border-strong);
            box-shadow: 0 0 12px rgba(139, 255, 0, 0.12);
        }

        .dn-nav__search i {
            color: var(--dn-color-faint);
            font-size: 0.8rem;
        }

        .dn-nav__search input {
            background: transparent;
            border: none;
            color: var(--dn-color-text);
            font-size: 0.82rem;
            outline: none;
            width: 100%;
            padding: 0;
            font-family: var(--dn-font-sans);
        }

        .dn-nav__search input::placeholder {
            color: var(--dn-color-faint);
        }

        .dn-nav__toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--dn-border);
            border-radius: 8px;
            color: var(--dn-color-neon);
            font-size: 1.1rem;
            cursor: pointer;
            padding: 8px 12px;
            transition: all var(--dn-transition);
        }

        .dn-nav__toggle:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-border-strong);
        }

        .dn-header {
            background: rgba(10, 11, 14, 0.95);
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
        }

        .dn-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

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

        .dn-breadcrumb a:hover {
            color: var(--dn-color-neon);
        }

        .dn-breadcrumb .dn-breadcrumb__sep {
            color: var(--dn-color-faint);
            opacity: 0.6;
        }

        .dn-breadcrumb .dn-breadcrumb__current {
            color: var(--dn-color-neon);
            font-weight: 500;
        }

        .dn-hero-compact {
            padding: 44px 0 40px;
            position: relative;
            background: var(--dn-color-bg-alt);
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            overflow: hidden;
        }

        .dn-hero-compact::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 100%;
            background: radial-gradient(circle at top right, rgba(139, 255, 0, 0.07), transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .dn-hero-compact .dn-container {
            position: relative;
            z-index: 2;
        }

        .dn-hero-compact__grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }

        .dn-hero-compact__title {
            font-size: clamp(1.7rem, 3.5vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--dn-color-white);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .dn-hero-compact__title span {
            color: var(--dn-color-neon);
        }

        .dn-hero-compact__desc {
            font-size: 0.98rem;
            color: var(--dn-color-muted);
            max-width: 560px;
        }

        .dn-hero-compact__visual {
            border-radius: var(--dn-radius);
            overflow: hidden;
            border: 1px solid var(--dn-border);
            box-shadow: var(--dn-shadow-rest);
            position: relative;
            aspect-ratio: 16/10;
        }

        .dn-hero-compact__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .dn-hero-compact__visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(139, 255, 0, 0.1), rgba(139, 92, 246, 0.06));
            pointer-events: none;
        }

        .dn-steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 10px;
        }

        .dn-step-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 22px 20px;
            transition: all var(--dn-transition);
            position: relative;
        }

        .dn-step-card:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-4px);
        }

        .dn-step-card__num {
            font-family: var(--dn-font-mono);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dn-color-violet);
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .dn-step-card__title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 6px;
        }

        .dn-step-card__desc {
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            line-height: 1.6;
        }

        .dn-stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .dn-stat-box {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--dn-transition);
        }

        .dn-stat-box:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
        }

        .dn-stat-box__num {
            font-family: var(--dn-font-mono);
            font-size: 2rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
            text-shadow: 0 0 16px var(--dn-color-neon-glow);
        }

        .dn-stat-box__label {
            font-size: 0.8rem;
            color: var(--dn-color-muted);
        }

        .dn-resource-card {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 18px 20px;
            transition: all var(--dn-transition);
        }

        .dn-resource-card:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-3px);
        }

        .dn-resource-card__icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dn-color-neon);
            font-size: 1rem;
        }

        .dn-resource-card__body {
            flex: 1;
        }

        .dn-resource-card__title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 4px;
        }

        .dn-resource-card__desc {
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            line-height: 1.55;
        }

        .dn-article-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .dn-article-item {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--dn-transition);
        }

        .dn-article-item:hover {
            border-color: var(--dn-border-strong);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-3px);
        }

        .dn-article-item__thumb {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            border-radius: var(--dn-radius-sm);
            overflow: hidden;
            border: 1px solid var(--dn-border);
        }

        .dn-article-item__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .dn-article-item__body {
            flex: 1;
        }

        .dn-article-item__title {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .dn-article-item__desc {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            line-height: 1.55;
            margin-bottom: 6px;
        }

        .dn-article-item__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.72rem;
            color: var(--dn-color-faint);
            flex-wrap: wrap;
        }

        .dn-article-item__meta i {
            color: var(--dn-color-violet);
            font-size: 0.68rem;
        }

        .dn-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .dn-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .dn-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .dn-divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--dn-border-strong), transparent);
            margin: 20px 0;
        }

        .dn-section--cta {
            background: var(--dn-color-bg-alt);
            border-top: 1px solid var(--dn-border);
            border-bottom: 1px solid var(--dn-border);
            text-align: center;
            padding: 56px 0;
        }

        .dn-section--cta .dn-section__title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            margin-bottom: 20px;
        }

        .dn-section--cta .dn-btn {
            margin: 0 6px;
        }

        .dn-footer {
            background: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.08);
            padding: 48px 0 24px;
        }

        .dn-footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .dn-footer__brand .dn-nav__logo {
            margin-bottom: 14px;
        }

        .dn-footer__desc {
            font-size: 0.82rem;
            color: var(--dn-color-faint);
            line-height: 1.7;
            max-width: 300px;
        }

        .dn-footer__title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 14px;
        }

        .dn-footer__links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .dn-footer__links li a {
            color: var(--dn-color-faint);
            font-size: 0.82rem;
            transition: all var(--dn-transition);
        }

        .dn-footer__links li a i {
            font-size: 0.68rem;
            margin-right: 4px;
            color: var(--dn-color-neon);
            opacity: 0.6;
        }

        .dn-footer__links li a:hover {
            color: var(--dn-color-neon);
        }

        .dn-footer__subscribe {
            display: flex;
            gap: 8px;
            margin-top: 6px;
        }

        .dn-footer__subscribe input {
            flex: 1;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius-sm);
            color: var(--dn-color-text);
            font-size: 0.82rem;
            padding: 10px 14px;
            outline: none;
            font-family: var(--dn-font-sans);
            transition: all var(--dn-transition);
            min-width: 0;
        }

        .dn-footer__subscribe input:focus {
            border-color: var(--dn-border-strong);
            box-shadow: 0 0 10px rgba(139, 255, 0, 0.1);
        }

        .dn-footer__subscribe input::placeholder {
            color: var(--dn-color-faint);
        }

        .dn-footer__sub-btn {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border: none;
            border-radius: var(--dn-radius-sm);
            padding: 10px 16px;
            font-size: 0.82rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--dn-transition);
            white-space: nowrap;
            font-family: var(--dn-font-sans);
        }

        .dn-footer__sub-btn:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 16px rgba(139, 92, 246, 0.4);
        }

        .dn-footer__bottom {
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            padding-top: 20px;
            text-align: center;
        }

        .dn-footer__copyright {
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-bottom: 6px;
        }

        .dn-footer__legal {
            font-size: 0.72rem;
            color: var(--dn-color-faint);
            opacity: 0.7;
            margin-bottom: 4px;
        }

        .dn-footer__bottom-links {
            display: flex;
            justify-content: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--dn-color-faint);
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .dn-footer__bottom-links a {
            color: var(--dn-color-faint);
        }

        .dn-footer__bottom-links a:hover {
            color: var(--dn-color-neon);
        }

        .dn-mobile-menu {
            display: none;
            background: var(--dn-color-bg-alt);
            border-bottom: 1px solid var(--dn-border);
            padding: 16px 24px;
            z-index: 99;
        }

        .dn-mobile-menu--open {
            display: block;
        }

        .dn-mobile-menu__links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .dn-mobile-menu__links li a {
            display: block;
            padding: 10px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dn-color-muted);
            border-radius: 6px;
            transition: all var(--dn-transition);
        }

        .dn-mobile-menu__links li a:hover,
        .dn-mobile-menu__links li a.dn-nav__link--active {
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
        }

        .dn-note-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius-sm);
            padding: 14px 18px;
            color: var(--dn-color-muted);
            font-size: 0.82rem;
            margin-top: 16px;
        }

        .dn-note-bar i {
            color: var(--dn-color-neon);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .dn-nav__search {
                width: 140px;
            }

            .dn-hero-compact__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .dn-hero-compact__visual {
                aspect-ratio: 21/9;
                order: -1;
            }

            .dn-steps-grid,
            .dn-stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .dn-footer__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .dn-nav__links {
                display: none;
            }

            .dn-nav__search {
                display: none;
            }

            .dn-nav__toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .dn-nav__cta {
                display: none;
            }

            .dn-mobile-menu--open {
                display: block;
            }

            .dn-section {
                padding: var(--dn-section-padding-mobile);
            }

            .dn-steps-grid,
            .dn-stats-strip {
                grid-template-columns: 1fr;
            }

            .dn-grid-2,
            .dn-grid-3,
            .dn-grid-4 {
                grid-template-columns: 1fr;
            }

            .dn-footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .dn-hero-compact {
                padding: 28px 0 24px;
            }

            .dn-hero-compact__visual {
                aspect-ratio: 16/9;
            }

            .dn-article-item {
                flex-direction: column;
            }

            .dn-article-item__thumb {
                width: 100%;
                height: 160px;
            }

            .dn-footer__bottom-links {
                gap: 10px;
                font-size: 0.72rem;
            }
        }

        @media (max-width: 520px) {
            .dn-container {
                padding: 0 16px;
            }

            .dn-section__title {
                font-size: 1.4rem;
            }

            .dn-btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }

            .dn-stat-box__num {
                font-size: 1.5rem;
            }

            .dn-hero-compact__title {
                font-size: 1.5rem;
            }
        }

/* roulang page: category5 */
:root {
            --dn-color-bg: #0a0b0e;
            --dn-color-bg-alt: #0f1114;
            --dn-color-card: #16181d;
            --dn-color-card-hover: #1a1d23;
            --dn-color-neon: #8bff00;
            --dn-color-neon-dim: rgba(139, 255, 0, 0.15);
            --dn-color-neon-glow: rgba(139, 255, 0, 0.45);
            --dn-color-violet: #8b5cf6;
            --dn-color-violet-dim: rgba(139, 92, 246, 0.18);
            --dn-color-violet-glow: rgba(139, 92, 246, 0.5);
            --dn-color-text: #e8e8e8;
            --dn-color-muted: #bdbdbd;
            --dn-color-faint: #8a8a8a;
            --dn-color-white: #f5f6f7;
            --dn-radius: 12px;
            --dn-radius-sm: 8px;
            --dn-border: rgba(139, 255, 0, 0.12);
            --dn-border-strong: rgba(139, 255, 0, 0.3);
            --dn-border-violet: rgba(139, 92, 246, 0.2);
            --dn-shadow-rest: 0 4px 16px rgba(0, 0, 0, 0.4);
            --dn-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
            --dn-shadow-neon: 0 0 24px rgba(139, 255, 0, 0.25);
            --dn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --dn-font-mono: 'SF Mono', 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
            --dn-section-padding: 72px 0;
            --dn-section-padding-mobile: 48px 0;
            --dn-transition: 0.2s ease;
            --dn-transition-slow: 0.35s ease;
            --dn-max-width: 1200px;
            --dn-nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--dn-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dn-color-text);
            background-color: var(--dn-color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--dn-color-neon);
            text-decoration: none;
            transition: color var(--dn-transition);
        }
        a:hover {
            color: var(--dn-color-violet);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--dn-color-neon);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .dn-container {
            max-width: var(--dn-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .dn-section {
            padding: var(--dn-section-padding);
            position: relative;
        }
        .dn-section--alt {
            background-color: var(--dn-color-bg-alt);
            border-top: 1px solid rgba(139, 255, 0, 0.06);
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
        }
        .dn-section--grid-bg {
            background-image:
                linear-gradient(rgba(139, 255, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(139, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .dn-section__eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 5px 14px;
            margin-bottom: 18px;
        }
        .dn-section__title {
            margin-bottom: 14px;
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dn-color-white);
            letter-spacing: -0.01em;
        }
        .dn-section__lead {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            margin-bottom: 36px;
            max-width: 680px;
        }
        .dn-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--dn-font-sans);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all var(--dn-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            position: relative;
            line-height: 1.4;
        }
        .dn-btn--neon {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            box-shadow: 0 0 18px rgba(139, 255, 0, 0.35);
        }
        .dn-btn--neon:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            box-shadow: 0 0 26px rgba(139, 92, 246, 0.5);
            transform: translateY(-3px);
        }
        .dn-btn--outline {
            background: transparent;
            color: var(--dn-color-neon);
            border: 1px solid var(--dn-border-strong);
            box-shadow: none;
        }
        .dn-btn--outline:hover {
            background: var(--dn-color-neon-dim);
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
            transform: translateY(-3px);
            box-shadow: var(--dn-shadow-neon);
        }
        .dn-btn--sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* Header / Navigation */
        .dn-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 11, 14, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--dn-border);
            height: var(--dn-nav-height);
            display: flex;
            align-items: center;
        }
        .dn-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            width: 100%;
        }
        .dn-nav__logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--dn-color-white);
            letter-spacing: 0.02em;
            transition: color var(--dn-transition);
            text-decoration: none;
            margin-right: 8px;
            flex-shrink: 0;
        }
        .dn-nav__logo:hover {
            color: var(--dn-color-neon);
        }
        .dn-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--dn-color-neon), var(--dn-color-violet));
            border-radius: 8px;
            color: #0a0b0e;
            font-weight: 900;
            font-size: 1.1rem;
            box-shadow: 0 0 16px rgba(139, 255, 0, 0.35);
        }
        .dn-nav__links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .dn-nav__links li a {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--dn-color-muted);
            text-decoration: none;
            padding: 6px 2px;
            position: relative;
            transition: color var(--dn-transition);
            white-space: nowrap;
        }
        .dn-nav__links li a:hover {
            color: var(--dn-color-neon);
        }
        .dn-nav__links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--dn-color-neon);
            transition: width var(--dn-transition);
            border-radius: 2px;
        }
        .dn-nav__links li a:hover::after,
        .dn-nav__links li a.dn-nav__link--active::after {
            width: 100%;
        }
        .dn-nav__links li a.dn-nav__link--active {
            color: var(--dn-color-neon);
        }
        .dn-nav__right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
            flex-shrink: 0;
        }
        .dn-nav__search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: 8px;
            padding: 6px 14px;
            transition: border-color var(--dn-transition), box-shadow var(--dn-transition);
        }
        .dn-nav__search:focus-within {
            border-color: var(--dn-color-neon);
            box-shadow: var(--dn-shadow-neon);
        }
        .dn-nav__search i {
            color: var(--dn-color-faint);
            font-size: 0.85rem;
        }
        .dn-nav__search input {
            background: transparent;
            border: none;
            color: var(--dn-color-text);
            font-size: 0.85rem;
            outline: none;
            width: 150px;
        }
        .dn-nav__search input::placeholder {
            color: var(--dn-color-faint);
        }
        .dn-nav__toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--dn-border);
            border-radius: 8px;
            color: var(--dn-color-text);
            font-size: 1.2rem;
            padding: 6px 10px;
            cursor: pointer;
            transition: all var(--dn-transition);
        }
        .dn-nav__toggle:hover {
            border-color: var(--dn-color-neon);
            color: var(--dn-color-neon);
        }

        /* Breadcrumb */
        .dn-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            margin-bottom: 18px;
        }
        .dn-breadcrumb a {
            color: var(--dn-color-muted);
            text-decoration: none;
            transition: color var(--dn-transition);
        }
        .dn-breadcrumb a:hover {
            color: var(--dn-color-neon);
        }
        .dn-breadcrumb span {
            color: var(--dn-color-faint);
        }
        .dn-breadcrumb .dn-breadcrumb__current {
            color: var(--dn-color-neon);
        }

        /* Category Header */
        .dn-cat-header {
            padding: 48px 0 36px;
            background: linear-gradient(180deg, rgba(139, 255, 0, 0.04) 0%, transparent 100%);
            border-bottom: 1px solid var(--dn-border);
            position: relative;
            overflow: hidden;
        }
        .dn-cat-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .dn-cat-header__content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .dn-cat-header__title {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--dn-color-white);
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .dn-cat-header__desc {
            font-size: 1.05rem;
            color: var(--dn-color-muted);
            margin-bottom: 20px;
            max-width: 560px;
        }
        .dn-cat-header__visual {
            border-radius: var(--dn-radius);
            overflow: hidden;
            border: 1px solid var(--dn-border);
            box-shadow: var(--dn-shadow-rest);
            position: relative;
        }
        .dn-cat-header__visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .dn-cat-header__visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 11, 14, 0.6) 100%);
            pointer-events: none;
        }
        .dn-cat-header__badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(10, 11, 14, 0.85);
            border: 1px solid var(--dn-border-strong);
            border-radius: 6px;
            padding: 6px 14px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--dn-color-neon);
            z-index: 2;
            letter-spacing: 0.05em;
        }

        /* Card grid */
        .dn-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .dn-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            overflow: hidden;
            transition: all var(--dn-transition);
            box-shadow: var(--dn-shadow-rest);
            display: flex;
            flex-direction: column;
        }
        .dn-card:hover {
            border-color: var(--dn-color-neon);
            box-shadow: var(--dn-shadow-hover), var(--dn-shadow-neon);
            transform: translateY(-4px);
            background: var(--dn-color-card-hover);
        }
        .dn-card__img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .dn-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--dn-transition-slow);
        }
        .dn-card:hover .dn-card__img img {
            transform: scale(1.04);
        }
        .dn-card__body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .dn-card__tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--dn-color-neon);
            background: var(--dn-color-neon-dim);
            border: 1px solid var(--dn-border);
            border-radius: 50px;
            padding: 3px 10px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .dn-card__title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .dn-card__desc {
            font-size: 0.9rem;
            color: var(--dn-color-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.65;
        }
        .dn-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--dn-color-faint);
            border-top: 1px solid rgba(139, 255, 0, 0.08);
            padding-top: 12px;
        }
        .dn-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Comparison table */
        .dn-table-wrap {
            overflow-x: auto;
            border-radius: var(--dn-radius);
            border: 1px solid var(--dn-border);
            background: var(--dn-color-card);
            box-shadow: var(--dn-shadow-rest);
        }
        .dn-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }
        .dn-table th,
        .dn-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid rgba(139, 255, 0, 0.08);
            color: var(--dn-color-muted);
        }
        .dn-table th {
            background: rgba(139, 255, 0, 0.06);
            color: var(--dn-color-neon);
            font-weight: 700;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .dn-table tr:last-child td {
            border-bottom: none;
        }
        .dn-table tr:hover td {
            background: rgba(139, 255, 0, 0.03);
        }
        .dn-table .dn-table__highlight {
            color: var(--dn-color-neon);
            font-weight: 700;
            font-family: var(--dn-font-mono);
        }

        /* Config combo cards */
        .dn-combo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .dn-combo-card {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border-violet);
            border-radius: var(--dn-radius);
            padding: 28px;
            transition: all var(--dn-transition);
            position: relative;
            overflow: hidden;
        }
        .dn-combo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--dn-color-neon), var(--dn-color-violet));
        }
        .dn-combo-card:hover {
            border-color: var(--dn-color-violet);
            box-shadow: var(--dn-shadow-hover);
            transform: translateY(-4px);
        }
        .dn-combo-card__label {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--dn-color-violet);
            margin-bottom: 10px;
        }
        .dn-combo-card__title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 12px;
        }
        .dn-combo-card__list {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
        }
        .dn-combo-card__list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(139, 255, 0, 0.06);
            font-size: 0.9rem;
            color: var(--dn-color-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .dn-combo-card__list li i {
            color: var(--dn-color-neon);
            font-size: 0.7rem;
            flex-shrink: 0;
        }
        .dn-combo-card__price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            font-family: var(--dn-font-mono);
            margin-bottom: 16px;
        }

        /* Data snapshot */
        .dn-data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--dn-color-bg-alt);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius);
            padding: 32px 28px;
            box-shadow: var(--dn-shadow-rest);
        }
        .dn-data-strip__item {
            text-align: center;
            padding: 8px 0;
        }
        .dn-data-strip__value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dn-color-neon);
            font-family: var(--dn-font-mono);
            text-shadow: 0 0 20px var(--dn-color-neon-glow);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .dn-data-strip__label {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            font-weight: 500;
        }

        /* Related category entry */
        .dn-related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .dn-related-item {
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: var(--dn-radius-sm);
            padding: 18px;
            text-align: center;
            transition: all var(--dn-transition);
            text-decoration: none;
            display: block;
        }
        .dn-related-item:hover {
            border-color: var(--dn-color-neon);
            background: var(--dn-color-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--dn-shadow-neon);
        }
        .dn-related-item i {
            font-size: 1.6rem;
            color: var(--dn-color-neon);
            margin-bottom: 10px;
            display: block;
        }
        .dn-related-item span {
            color: var(--dn-color-muted);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .dn-related-item:hover span {
            color: var(--dn-color-neon);
        }

        /* CTA */
        .dn-cta {
            background: linear-gradient(135deg, rgba(139, 255, 0, 0.06) 0%, rgba(139, 92, 246, 0.08) 50%, transparent 100%);
            border: 1px solid var(--dn-border-strong);
            border-radius: var(--dn-radius);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .dn-cta::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(139, 255, 0, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .dn-cta__title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dn-color-white);
            margin-bottom: 12px;
        }
        .dn-cta__desc {
            font-size: 1rem;
            color: var(--dn-color-muted);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .dn-footer {
            background: #07080a;
            border-top: 1px solid var(--dn-border);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .dn-footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .dn-footer__brand .dn-nav__logo {
            margin-bottom: 12px;
        }
        .dn-footer__desc {
            font-size: 0.85rem;
            color: var(--dn-color-faint);
            line-height: 1.7;
            max-width: 280px;
            margin-bottom: 0;
        }
        .dn-footer__title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dn-color-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .dn-footer__links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .dn-footer__links li {
            margin-bottom: 8px;
        }
        .dn-footer__links li a {
            font-size: 0.85rem;
            color: var(--dn-color-muted);
            text-decoration: none;
            transition: color var(--dn-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .dn-footer__links li a i {
            font-size: 0.6rem;
            color: var(--dn-color-faint);
        }
        .dn-footer__links li a:hover {
            color: var(--dn-color-neon);
        }
        .dn-footer__subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .dn-footer__subscribe input {
            flex: 1;
            background: var(--dn-color-card);
            border: 1px solid var(--dn-border);
            border-radius: 8px;
            padding: 10px 14px;
            color: var(--dn-color-text);
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--dn-transition);
            min-width: 0;
        }
        .dn-footer__subscribe input:focus {
            border-color: var(--dn-color-neon);
        }
        .dn-footer__sub-btn {
            background: var(--dn-color-neon);
            color: #0a0b0e;
            border: none;
            border-radius: 8px;
            padding: 10px 18px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--dn-transition);
            white-space: nowrap;
        }
        .dn-footer__sub-btn:hover {
            background: var(--dn-color-violet);
            color: var(--dn-color-white);
            transform: translateY(-2px);
        }
        .dn-footer__bottom {
            border-top: 1px solid rgba(139, 255, 0, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--dn-color-faint);
        }
        .dn-footer__copyright {
            margin: 0;
        }
        .dn-footer__legal {
            margin: 0;
        }
        .dn-footer__bottom a {
            color: var(--dn-color-faint);
            text-decoration: none;
            transition: color var(--dn-transition);
        }
        .dn-footer__bottom a:hover {
            color: var(--dn-color-neon);
        }

        /* Mobile nav */
        @media (max-width: 767px) {
            .dn-nav {
                gap: 12px;
            }
            .dn-nav__links {
                display: none;
                position: absolute;
                top: var(--dn-nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 11, 14, 0.98);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--dn-border);
                gap: 12px;
                z-index: 99;
            }
            .dn-nav__links.is-open {
                display: flex;
            }
            .dn-nav__links li a {
                font-size: 1rem;
                padding: 8px 0;
                display: block;
            }
            .dn-nav__right {
                margin-left: auto;
            }
            .dn-nav__search {
                display: none;
            }
            .dn-nav__toggle {
                display: inline-flex;
            }
            .dn-nav__cta {
                display: none;
            }
            .dn-cat-header__content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dn-cat-header__title {
                font-size: 1.8rem;
            }
            .dn-cat-header__visual img {
                height: 200px;
            }
            .dn-card-grid,
            .dn-combo-grid {
                grid-template-columns: 1fr;
            }
            .dn-data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dn-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .dn-cta {
                padding: 32px 20px;
            }
            .dn-section {
                padding: var(--dn-section-padding-mobile);
            }
            .dn-section__title {
                font-size: 1.5rem;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .dn-card-grid,
            .dn-combo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dn-footer__grid {
                grid-template-columns: 1fr 1fr;
            }
            .dn-cat-header__content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dn-nav__search input {
                width: 100px;
            }
        }