/* roulang page: index */
:root {
            --hk-primary: #0F172A;
            --hk-accent: #E11D48;
            --hk-accent-glow: #FF385C;
            --hk-secondary: #0284C7;
            --hk-secondary-glow: #38BDF8;
            --hk-bg-deep: #0B0F19;
            --hk-card-bg: #131B2E;
            --hk-card-sub: #1A2338;
            --hk-text-main: #F8FAFC;
            --hk-text-muted: #94A3B8;
            --hk-border-color: rgba(255, 255, 255, 0.08);
            --hk-border-glow: rgba(2, 132, 199, 0.3);
            --hk-radius: 6px;
        }

        /* Reset & Base */
        * { box-sizing: border-box; }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--hk-bg-deep);
            color: var(--hk-text-main);
            font-family: -apple-system, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
            line-height: 1.6;
        }

        a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
        a:hover, a:focus { color: var(--hk-secondary-glow); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--hk-radius); }

        /* Typography & Utilities */
        .font-mono-num { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
        .text-accent { color: var(--hk-accent) !important; }
        .text-cyan { color: var(--hk-secondary-glow) !important; }
        .text-muted { color: var(--hk-text-muted) !important; }
        .bg-card { background-color: var(--hk-card-bg); border: 1px solid var(--hk-border-color); border-radius: var(--hk-radius); }
        .bg-card:hover { border-color: var(--hk-border-glow); }

        /* Header Navigation */
        .hk-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 25, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hk-border-color);
            padding: 0.85rem 0;
        }
        .hk-brand-logo {
            font-size: 1.4rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }
        .hk-brand-logo span {
            background: linear-gradient(135deg, var(--hk-accent), var(--hk-accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hk-nav-menu {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            margin: 0;
            list-style: none;
        }
        .hk-nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--hk-text-muted);
            padding: 0.25rem 0;
            position: relative;
        }
        .hk-nav-menu a.active, .hk-nav-menu a:hover {
            color: #FFFFFF;
        }
        .hk-nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--hk-accent);
        }

        /* Buttons */
        .hk-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--hk-radius);
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .hk-btn-primary {
            background: linear-gradient(135deg, var(--hk-accent), var(--hk-accent-glow));
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
        }
        .hk-btn-primary:hover {
            background: linear-gradient(135deg, #c0133a, var(--hk-accent));
            color: #FFFFFF;
            box-shadow: 0 6px 20px rgba(225, 29, 72, 0.5);
            transform: translateY(-1px);
        }
        .hk-btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--hk-border-color);
            color: #FFFFFF;
        }
        .hk-btn-secondary:hover {
            background: rgba(2, 132, 199, 0.15);
            border-color: var(--hk-secondary);
            color: var(--hk-secondary-glow);
        }

        /* Hero Area */
        .hk-hero {
            position: relative;
            padding: 4.5rem 0 3rem;
            background: radial-gradient(circle at 80% 20%, rgba(225, 29, 72, 0.12), transparent 45%),
                        radial-gradient(circle at 20% 70%, rgba(2, 132, 199, 0.15), transparent 45%),
                        url('/assets/images/0809840f420b2d05.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--hk-border-color);
        }
        .hk-hero-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(11, 15, 25, 0.88);
            z-index: 1;
        }
        .hk-hero-content {
            position: relative;
            z-index: 2;
        }
        .hk-badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            color: var(--hk-secondary-glow);
            background: rgba(2, 132, 199, 0.12);
            border: 1px solid rgba(2, 132, 199, 0.3);
            border-radius: 9999px;
            margin-bottom: 1.2rem;
            text-transform: uppercase;
        }
        .hk-hero-h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 1.2rem;
            letter-spacing: -0.8px;
        }
        .hk-hero-p {
            font-size: 1.05rem;
            color: var(--hk-text-muted);
            line-height: 1.75;
            margin-bottom: 2rem;
            max-width: 680px;
        }

        /* Pill Navigation Bar */
        .hk-pill-bar {
            background: #0E1424;
            border-bottom: 1px solid var(--hk-border-color);
            padding: 0.8rem 0;
            position: relative;
            z-index: 10;
        }
        .hk-pill-container {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 2px;
            scrollbar-width: none;
        }
        .hk-pill-container::-webkit-scrollbar { display: none; }
        .hk-pill-item {
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--hk-text-muted);
            border: 1px solid var(--hk-border-color);
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.02);
            transition: all 0.2s ease;
        }
        .hk-pill-item:hover {
            color: #FFFFFF;
            border-color: var(--hk-secondary-glow);
            background: rgba(2, 132, 199, 0.08);
        }
        .hk-pill-item.active {
            background: var(--hk-accent);
            color: #FFFFFF;
            border-color: var(--hk-accent);
            box-shadow: 0 2px 8px rgba(225, 29, 72, 0.4);
        }

        /* Countdown Strip */
        .hk-countdown-strip {
            background: #111827;
            border-bottom: 1px solid var(--hk-border-color);
            padding: 1.25rem 0;
        }
        .hk-timer-box {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #172239;
            padding: 0.35rem 0.8rem;
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            font-family: monospace;
            font-size: 1.1rem;
            color: var(--hk-accent-glow);
            font-weight: 700;
        }

        /* Section Commons */
        .hk-section {
            padding: 4.5rem 0;
            border-bottom: 1px solid var(--hk-border-color);
            position: relative;
        }
        .hk-section:nth-of-type(even) {
            background-color: #0E1322;
        }
        .hk-section-title-wrap {
            margin-bottom: 2.8rem;
        }
        .hk-section-h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
        }
        .hk-section-desc {
            font-size: 0.95rem;
            color: var(--hk-text-muted);
            line-height: 1.65;
            max-width: 760px;
            margin: 0;
        }

        /* Cards & Components */
        .hk-feature-card {
            padding: 1.8rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .hk-icon-sq {
            width: 44px;
            height: 44px;
            background: rgba(2, 132, 199, 0.1);
            border: 1px solid rgba(2, 132, 199, 0.25);
            border-radius: var(--hk-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--hk-secondary-glow);
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
        }
        .hk-stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .hk-stat-cell {
            padding: 1.5rem;
            text-align: left;
            background: #101726;
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
        }
        .hk-stat-cell .hk-stat-num {
            font-size: 2.1rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 0.35rem;
            font-family: monospace;
        }

        /* Scenario Visual Section */
        .hk-scenario-box {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }
        .hk-scenario-row {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            background: #11182B;
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            overflow: hidden;
            padding: 1.8rem;
        }
        .hk-scenario-row:nth-child(even) {
            flex-direction: row-reverse;
        }
        .hk-scenario-thumb {
            flex: 1 1 45%;
            min-height: 220px;
            position: relative;
            overflow: hidden;
            border-radius: var(--hk-radius);
            border: 1px solid var(--hk-border-color);
        }
        .hk-scenario-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hk-scenario-info {
            flex: 1 1 55%;
        }

        /* Pricing & Tier Tables */
        .hk-pricing-col {
            padding: 2.2rem 1.8rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
            position: relative;
        }
        .hk-pricing-col.featured {
            border-color: var(--hk-accent);
            box-shadow: 0 0 25px rgba(225, 29, 72, 0.18);
            background: #162038;
        }
        .hk-pricing-tag {
            position: absolute;
            top: 0;
            right: 1.5rem;
            background: var(--hk-accent);
            color: #FFFFFF;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-bottom-left-radius: 4px;
            border-bottom-right-radius: 4px;
            font-weight: 600;
        }

        /* CMS News Cards */
        .hk-news-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 1.4rem;
        }
        .hk-news-meta {
            font-size: 0.78rem;
            color: var(--hk-text-muted);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .hk-news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #FFFFFF;
            line-height: 1.45;
            margin-bottom: 0.7rem;
        }
        .hk-news-excerpt {
            font-size: 0.85rem;
            color: var(--hk-text-muted);
            line-height: 1.6;
            margin-bottom: 1.2rem;
            flex-grow: 1;
        }

        /* Footer */
        .hk-footer {
            background: #090C14;
            border-top: 1px solid var(--hk-border-color);
            padding: 4rem 0 2rem;
            font-size: 0.88rem;
            color: var(--hk-text-muted);
        }
        .hk-footer-heading {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .hk-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .hk-footer-links li {
            margin-bottom: 0.5rem;
        }
        .hk-copyright-strip {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.8rem;
        }

        /* Responsive Breakpoints */
        @media screen and (max-width: 1024px) {
            .hk-stat-grid { grid-template-columns: repeat(2, 1fr); }
            .hk-hero-h1 { font-size: 2.1rem; }
        }
        @media screen and (max-width: 768px) {
            .hk-scenario-row, .hk-scenario-row:nth-child(even) { flex-direction: column; }
            .hk-hero { padding: 3rem 0 2rem; }
            .hk-hero-h1 { font-size: 1.75rem; }
            .hk-stat-grid { grid-template-columns: 1fr; }
            .hk-section { padding: 3rem 0; }
        }

/* roulang page: article */
:root {
            --hk-primary: #0F172A;
            --hk-accent: #E11D48;
            --hk-accent-glow: #FF385C;
            --hk-secondary: #0284C7;
            --hk-secondary-glow: #38BDF8;
            --hk-bg-deep: #0B0F19;
            --hk-card-bg: #131B2E;
            --hk-card-sub: #1A2338;
            --hk-text-main: #F8FAFC;
            --hk-text-muted: #94A3B8;
            --hk-border-color: rgba(255, 255, 255, 0.08);
            --hk-border-glow: rgba(2, 132, 199, 0.3);
            --hk-radius: 6px;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--hk-bg-deep);
            color: var(--hk-text-main);
            font-family: -apple-system, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
            line-height: 1.6;
        }

        a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
        a:hover, a:focus { color: var(--hk-secondary-glow); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--hk-radius); }
        .text-accent { color: var(--hk-accent) !important; }
        .text-cyan { color: var(--hk-secondary-glow) !important; }
        .text-muted { color: var(--hk-text-muted) !important; }
        .bg-card { background-color: var(--hk-card-bg); border: 1px solid var(--hk-border-color); border-radius: var(--hk-radius); }
        .bg-card:hover { border-color: var(--hk-border-glow); }

        /* Header Navigation */
        .hk-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 25, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hk-border-color);
            padding: 0.85rem 0;
        }
        .hk-brand-logo {
            font-size: 1.4rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }
        .hk-brand-logo span {
            background: linear-gradient(135deg, var(--hk-accent), var(--hk-accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hk-nav-menu {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            margin: 0;
            list-style: none;
        }
        .hk-nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--hk-text-muted);
            padding: 0.25rem 0;
            position: relative;
        }
        .hk-nav-menu a.active, .hk-nav-menu a:hover {
            color: #FFFFFF;
        }
        .hk-nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--hk-accent);
        }

        /* Buttons */
        .hk-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--hk-radius);
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .hk-btn-primary {
            background: linear-gradient(135deg, var(--hk-accent), var(--hk-accent-glow));
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
        }
        .hk-btn-primary:hover {
            background: linear-gradient(135deg, #c0133a, var(--hk-accent));
            color: #FFFFFF;
            box-shadow: 0 6px 20px rgba(225, 29, 72, 0.5);
            transform: translateY(-1px);
        }
        .hk-btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--hk-border-color);
            color: #FFFFFF;
        }
        .hk-btn-secondary:hover {
            background: rgba(2, 132, 199, 0.15);
            border-color: var(--hk-secondary);
            color: var(--hk-secondary-glow);
        }

        /* Pill Navigation Bar */
        .hk-pill-bar {
            background: #0E1424;
            border-bottom: 1px solid var(--hk-border-color);
            padding: 0.8rem 0;
            position: relative;
            z-index: 10;
        }
        .hk-pill-container {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 2px;
            scrollbar-width: none;
        }
        .hk-pill-container::-webkit-scrollbar { display: none; }
        .hk-pill-item {
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--hk-text-muted);
            border: 1px solid var(--hk-border-color);
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.03);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hk-pill-item:hover, .hk-pill-item.active {
            border-color: var(--hk-accent);
            color: #FFFFFF;
            background: rgba(225, 29, 72, 0.1);
        }

        /* Article Specific Layouts */
        .article-section {
            padding: 3.5rem 0;
            border-bottom: 1px solid var(--hk-border-color);
        }

        .hk-breadcrumbs {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
            color: var(--hk-text-muted);
            margin-bottom: 1.5rem;
        }
        .hk-breadcrumbs a:hover {
            color: var(--hk-secondary-glow);
        }

        .article-h1 {
            font-size: 2.3rem;
            font-weight: 800;
            line-height: 1.35;
            color: #FFFFFF;
            margin-bottom: 1.5rem;
            letter-spacing: -0.5px;
        }

        .meta-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--hk-border-color);
            margin-bottom: 2rem;
            font-size: 0.85rem;
            color: var(--hk-text-muted);
        }
        .meta-strip-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* Takeaways Box */
        .hk-takeaways-card {
            background: linear-gradient(135deg, rgba(2, 132, 199, 0.08), rgba(19, 27, 46, 0.95));
            border: 1px solid var(--hk-border-glow);
            border-left: 4px solid var(--hk-secondary);
            border-radius: var(--hk-radius);
            padding: 1.5rem 1.8rem;
            margin-bottom: 2.5rem;
        }
        .hk-takeaways-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--hk-secondary-glow);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hk-takeaways-list {
            margin: 0;
            padding-left: 1.2rem;
            color: #CBD5E1;
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* Prose Content */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: #E2E8F0;
        }
        .article-content p {
            margin-bottom: 1.6rem;
        }
        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #FFFFFF;
            margin: 2.8rem 0 1.2rem;
            padding-left: 0.8rem;
            border-left: 3px solid var(--hk-accent);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--hk-secondary-glow);
            margin: 2.2rem 0 1rem;
        }
        .article-content blockquote {
            background: rgba(255, 255, 255, 0.03);
            border-left: 3px solid var(--hk-border-glow);
            padding: 1rem 1.5rem;
            margin: 1.8rem 0;
            color: var(--hk-text-muted);
            font-style: normal;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            font-size: 0.92rem;
            background: var(--hk-card-bg);
            border-radius: var(--hk-radius);
            overflow: hidden;
            border: 1px solid var(--hk-border-color);
        }
        .article-content th, .article-content td {
            padding: 0.85rem 1rem;
            border: 1px solid var(--hk-border-color);
            text-align: left;
        }
        .article-content th {
            background: rgba(255, 255, 255, 0.04);
            color: #FFFFFF;
            font-weight: 600;
        }
        .article-content img {
            margin: 2rem 0;
            border: 1px solid var(--hk-border-color);
        }

        /* Author Badge Card */
        .creator-verification-card {
            background: var(--hk-card-bg);
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            padding: 1.8rem;
            margin-top: 3rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .creator-avatar-wrap {
            position: relative;
            width: 64px;
            height: 64px;
            flex-shrink: 0;
        }
        .creator-avatar {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--hk-secondary);
        }
        .verified-badge {
            position: absolute;
            bottom: 0;
            right: 0;
            background: var(--hk-accent);
            color: #FFFFFF;
            font-size: 0.65rem;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--hk-card-bg);
        }

        /* Interaction Panel */
        .hk-interaction-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            margin: 2rem 0;
        }
        .copyright-fingerprint {
            font-size: 0.82rem;
            color: var(--hk-text-muted);
            font-family: monospace;
        }

        /* Section Headings */
        .section-title-wrap {
            margin-bottom: 2rem;
        }
        .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        /* Related Cards Grid */
        .related-card {
            background: var(--hk-card-bg);
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: all 0.25s ease;
        }
        .related-card:hover {
            transform: translateY(-3px);
            border-color: var(--hk-border-glow);
        }
        .related-card-img-wrap {
            position: relative;
            padding-top: 56.25%;
            background: #0E1424;
            overflow: hidden;
        }
        .related-card-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card-body {
            padding: 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: #FFFFFF;
            line-height: 1.5;
            margin-bottom: 0.6rem;
        }
        .related-card-desc {
            font-size: 0.82rem;
            color: var(--hk-text-muted);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }

        /* Footer */
        .hk-footer {
            background: #080C14;
            border-top: 1px solid var(--hk-border-color);
            padding: 4rem 0 2rem;
        }
        .hk-footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1.2rem;
            letter-spacing: 0.5px;
        }
        .hk-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .hk-footer-links li {
            margin-bottom: 0.6rem;
        }
        .hk-footer-links a {
            font-size: 0.85rem;
            color: var(--hk-text-muted);
        }
        .hk-footer-links a:hover {
            color: #FFFFFF;
        }
        .hk-footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--hk-border-color);
            font-size: 0.8rem;
            color: #64748B;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        @media (max-width: 768px) {
            .article-h1 { font-size: 1.7rem; }
            .creator-verification-card { flex-direction: column; text-align: center; }
            .meta-strip { gap: 0.8rem; font-size: 0.8rem; }
        }

/* roulang page: category1 */
:root {
            --hk-primary: #0F172A;
            --hk-accent: #E11D48;
            --hk-accent-glow: #FF385C;
            --hk-secondary: #0284C7;
            --hk-secondary-glow: #38BDF8;
            --hk-bg-deep: #0B0F19;
            --hk-card-bg: #131B2E;
            --hk-card-sub: #1A2338;
            --hk-text-main: #F8FAFC;
            --hk-text-muted: #94A3B8;
            --hk-border-color: rgba(255, 255, 255, 0.08);
            --hk-border-glow: rgba(2, 132, 199, 0.3);
            --hk-radius: 6px;
        }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--hk-bg-deep);
            color: var(--hk-text-main);
            font-family: -apple-system, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            -webkit-font-smoothing: antialiased;
            line-height: 1.6;
        }
        a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
        a:hover, a:focus { color: var(--hk-secondary-glow); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--hk-radius); }
        .text-accent { color: var(--hk-accent) !important; }
        .text-cyan { color: var(--hk-secondary-glow) !important; }
        .text-muted { color: var(--hk-text-muted) !important; }
        .bg-card { background-color: var(--hk-card-bg); border: 1px solid var(--hk-border-color); border-radius: var(--hk-radius); }
        .bg-card:hover { border-color: var(--hk-border-glow); }
        
        .hk-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 25, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hk-border-color);
            padding: 0.85rem 0;
        }
        .hk-brand-logo {
            font-size: 1.4rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }
        .hk-brand-logo span {
            background: linear-gradient(135deg, var(--hk-accent), var(--hk-accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hk-nav-menu {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            margin: 0;
            list-style: none;
        }
        .hk-nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--hk-text-muted);
            padding: 0.25rem 0;
            position: relative;
        }
        .hk-nav-menu a.active, .hk-nav-menu a:hover {
            color: #FFFFFF;
        }
        .hk-nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--hk-accent);
        }
        
        .hk-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--hk-radius);
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .hk-btn-primary {
            background: linear-gradient(135deg, var(--hk-accent), var(--hk-accent-glow));
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
        }
        .hk-btn-primary:hover {
            background: linear-gradient(135deg, #c0133a, var(--hk-accent));
            color: #FFFFFF;
            box-shadow: 0 6px 20px rgba(225, 29, 72, 0.5);
            transform: translateY(-1px);
        }
        .hk-btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--hk-border-color);
            color: #FFFFFF;
        }
        .hk-btn-secondary:hover {
            background: rgba(2, 132, 199, 0.15);
            border-color: var(--hk-secondary);
            color: var(--hk-secondary-glow);
        }

        /* Pill Navigation Bar */
        .hk-pill-bar {
            background: #0E1424;
            border-bottom: 1px solid var(--hk-border-color);
            padding: 0.8rem 0;
            position: relative;
            z-index: 10;
        }
        .hk-pill-container {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 2px;
            scrollbar-width: none;
        }
        .hk-pill-container::-webkit-scrollbar { display: none; }
        .hk-pill-item {
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--hk-text-muted);
            border: 1px solid var(--hk-border-color);
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.03);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hk-pill-item:hover {
            border-color: var(--hk-secondary-glow);
            color: #FFFFFF;
        }
        .hk-pill-item.active {
            background: var(--hk-accent);
            color: #FFFFFF;
            border-color: var(--hk-accent);
            box-shadow: 0 2px 8px rgba(225, 29, 72, 0.4);
        }

        /* Category Hero Banner */
        .hk-cat-banner {
            position: relative;
            padding: 3.5rem 0 2.5rem;
            background: radial-gradient(circle at 85% 30%, rgba(2, 132, 199, 0.18), transparent 40%),
                        radial-gradient(circle at 15% 75%, rgba(225, 29, 72, 0.12), transparent 40%),
                        url('/assets/images/39dca566ae89e2dd.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--hk-border-color);
        }
        .hk-cat-overlay {
            position: absolute;
            inset: 0;
            background: rgba(11, 15, 25, 0.9);
            z-index: 1;
        }
        .hk-cat-content {
            position: relative;
            z-index: 2;
        }
        .hk-kpi-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px dashed var(--hk-border-color);
        }
        .hk-kpi-unit {
            display: flex;
            flex-direction: column;
        }
        .hk-kpi-val {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FFFFFF;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }
        .hk-kpi-lbl {
            font-size: 0.78rem;
            color: var(--hk-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Filter Controls */
        .hk-filter-section {
            background: #0D1322;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--hk-border-color);
        }
        .hk-filter-row {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 0.75rem;
        }
        .hk-filter-row:last-child {
            margin-bottom: 0;
        }
        .hk-filter-title {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--hk-text-muted);
            min-width: 72px;
        }
        .hk-tag-btn {
            font-size: 0.8rem;
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            color: var(--hk-text-muted);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            cursor: pointer;
        }
        .hk-tag-btn.active, .hk-tag-btn:hover {
            color: #FFFFFF;
            border-color: var(--hk-secondary-glow);
            background: rgba(2, 132, 199, 0.15);
        }

        /* Video Card Grid */
        .hk-video-card {
            background: var(--hk-card-bg);
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.2s ease, border-color 0.2s ease;
            height: 100%;
        }
        .hk-video-card:hover {
            transform: translateY(-3px);
            border-color: var(--hk-border-glow);
        }
        .hk-thumb-box {
            position: relative;
            aspect-ratio: 16/9;
            background: #1A2338;
            overflow: hidden;
        }
        .hk-thumb-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .hk-video-duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            padding: 2px 6px;
            background: rgba(0, 0, 0, 0.75);
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 3px;
            color: #FFFFFF;
        }
        .hk-verify-mark {
            position: absolute;
            top: 8px;
            left: 8px;
            padding: 2px 6px;
            background: rgba(2, 132, 199, 0.85);
            font-size: 0.7rem;
            border-radius: 3px;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 3px;
        }
        .hk-card-body {
            padding: 1.1rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .hk-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.45;
            color: #FFFFFF;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hk-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--hk-text-muted);
            margin-top: auto;
            padding-top: 0.6rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* Topics Track */
        .hk-topics-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.25rem;
        }
        .hk-topic-box {
            background: linear-gradient(145deg, #131B2E, #18223B);
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            padding: 1.25rem;
            position: relative;
        }
        .hk-topic-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--hk-secondary);
        }

        /* Leaderboard Table */
        .hk-table-wrap {
            overflow-x: auto;
            border: 1px solid var(--hk-border-color);
            border-radius: var(--hk-radius);
            background: var(--hk-card-bg);
        }
        .hk-data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
            margin: 0;
        }
        .hk-data-table th {
            background: #162035;
            color: var(--hk-text-muted);
            font-weight: 600;
            text-align: left;
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--hk-border-color);
        }
        .hk-data-table td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: #FFFFFF;
        }
        .hk-data-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        /* Section Layouts */
        .hk-section {
            padding: 4rem 0;
            border-bottom: 1px solid var(--hk-border-color);
        }
        .hk-section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.4rem;
            letter-spacing: -0.5px;
        }
        .hk-section-subtitle {
            font-size: 0.92rem;
            color: var(--hk-text-muted);
            margin-bottom: 2rem;
        }

        /* Subscribe Box */
        .hk-sub-box {
            background: linear-gradient(135deg, #131B2E 0%, #1A2642 100%);
            border: 1px solid var(--hk-border-glow);
            border-radius: var(--hk-radius);
            padding: 2.5rem;
            text-align: center;
        }

        /* Footer */
        .hk-footer {
            background-color: #070B12;
            border-top: 1px solid var(--hk-border-color);
            padding: 4rem 0 2rem;
        }
        .hk-footer-heading {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 1.2rem;
        }
        .hk-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .hk-footer-links li {
            margin-bottom: 0.6rem;
        }
        .hk-footer-links a {
            font-size: 0.85rem;
            color: var(--hk-text-muted);
        }
        .hk-footer-links a:hover {
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .hk-nav-menu { gap: 1rem; }
            .hk-hero-h1 { font-size: 1.8rem; }
            .hk-filter-row { flex-wrap: wrap; }
            .hk-sub-box { padding: 1.5rem; }
        }