/* roulang page: index */
:root {
            --bg-deep: #060A13;
            --bg-card: #0D1421;
            --bg-float: #111B2E;
            --primary: #00E5A0;
            --primary-hover: #2AF5B5;
            --electric: #3D7EFF;
            --text-main: #f1f5f9;
            --text-body: rgba(226, 232, 240, 0.8);
            --text-weak: rgba(148, 163, 184, 0.6);
            --border-glass: rgba(255, 255, 255, 0.06);
            --radius-lg: 24px;
            --radius-md: 20px;
            --radius-sm: 14px;
            --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
            --container-max: 1440px;
            --nav-height: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-deep);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-feature-settings: "tnum" on, "lnum" on;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s var(--ease-out);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            background: none;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container_global {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 1024px) {
            .container_global {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        @media (max-width: 640px) {
            .container_global {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ===== Glass & Effects ===== */
        .glass {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .glass-strong {
            background: rgba(17, 27, 46, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

        .glass-hover {
            transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), background-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
        }

        .glass-hover:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(0, 229, 160, 0.25);
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
        }

        /* ===== Header & Nav ===== */
        .header_fixed {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            width: 100%;
            height: var(--nav-height);
            background: rgba(8, 11, 20, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background-color 0.3s, box-shadow 0.3s;
        }

        .header_fixed.scrolled {
            background: rgba(8, 11, 20, 0.95);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
        }

        .nav_logo {
            font-size: 26px;
            font-weight: 900;
            letter-spacing: -0.6px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .nav_logo i {
            color: var(--primary);
            font-size: 30px;
        }

        .nav_link {
            position: relative;
            display: flex;
            align-items: center;
            height: var(--nav-height);
            padding: 0 6px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            letter-spacing: 0.3px;
            transition: color 0.2s var(--ease-out);
            cursor: pointer;
            border: none;
            background: none;
        }

        .nav_link:hover {
            color: #ffffff;
        }

        .nav_link.active {
            color: #ffffff;
            font-weight: 600;
        }

        .nav_link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.3);
        }

        .btn_cta_nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #041018;
            padding: 10px 20px;
            border-radius: 9999px;
            transition: all 0.25s var(--ease-out);
            white-space: nowrap;
        }

        .btn_cta_nav:hover {
            background: var(--primary-hover);
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.3);
            transform: translateY(-1px);
        }

        .icon_btn {
            width: 42px;
            height: 42px;
            border-radius: 9999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.55);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.2s var(--ease-out);
            cursor: pointer;
            font-size: 16px;
        }

        .icon_btn:hover {
            color: var(--primary);
            border-color: rgba(0, 229, 160, 0.4);
            background: rgba(0, 229, 160, 0.08);
        }

        .search_expand {
            position: absolute;
            top: var(--nav-height);
            left: 0;
            width: 100%;
            height: auto;
            background: rgba(8, 11, 20, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            animation: fadeInDown 0.2s var(--ease-out);
        }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .search_input {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            padding: 14px 24px;
            color: #fff;
            font-size: 15px;
            transition: border-color 0.2s;
        }

        .search_input:focus {
            border-color: rgba(0, 229, 160, 0.5);
        }

        .mobile_menu_panel {
            position: fixed;
            top: 0;
            right: -88%;
            width: 84%;
            max-width: 390px;
            height: 100vh;
            background: #080B14;
            z-index: 2000;
            padding: 24px;
            transition: right 0.35s var(--ease-out);
            border-left: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
            overflow-y: auto;
        }

        .mobile_menu_panel.open {
            right: 0;
        }

        .overlay_black {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1500;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .overlay_black.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile_menu_link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.2s;
        }

        .mobile_menu_link i {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.3);
        }

        .mobile_menu_link.active {
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero_wrapper {
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 80px;
            isolation: isolate;
        }

        .hero_bg_img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
        }

        .hero_bg_overlay {
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(90deg, rgba(6, 10, 19, 0.96) 5%, rgba(6, 10, 19, 0.7) 55%, rgba(6, 10, 19, 0.2) 100%);
        }

        .hero_bg_overlay_secondary {
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(0deg, rgba(6, 10, 19, 0.9) 0%, transparent 60%);
        }

        .hero_badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.15);
            border-radius: 9999px;
            padding: 8px 18px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.4px;
            margin-bottom: 28px;
        }

        .pulse_dot {
            width: 8px;
            height: 8px;
            border-radius: 9999px;
            background: var(--primary);
            position: relative;
            display: inline-block;
        }

        .pulse_dot::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 9999px;
            background: rgba(0, 229, 160, 0.6);
            animation: ping 1.8s infinite;
        }

        @keyframes ping {
            0% { transform: scale(1); opacity: 1; }
            75%, 100% { transform: scale(2.4); opacity: 0; }
        }

        .hero_stats_panel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 56px;
            max-width: 580px;
        }

        .stat_item {
            padding: 18px 20px;
            background: rgba(8, 11, 20, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 16px;
            backdrop-filter: blur(8px);
        }

        .stat_item .stat_number {
            font-size: 28px;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1.1;
        }

        .stat_item .stat_label {
            margin-top: 4px;
            color: rgba(148, 163, 184, 0.6);
            font-size: 13px;
        }

        .btn_primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #041018;
            font-weight: 700;
            font-size: 16px;
            border-radius: 9999px;
            padding: 16px 36px;
            transition: all 0.3s var(--ease-out);
            border: 2px solid transparent;
            cursor: pointer;
        }

        .btn_primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 0 40px rgba(0, 229, 160, 0.3);
            transform: translateY(-2px);
        }

        .btn_ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 600;
            font-size: 16px;
            border-radius: 9999px;
            padding: 16px 36px;
            transition: all 0.3s var(--ease-out);
            cursor: pointer;
            backdrop-filter: blur(10px);
        }

        .btn_ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(0, 229, 160, 0.05);
            transform: translateY(-2px);
        }

        /* ===== Section title components ===== */
        .section_tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section_tag::before {
            content: '';
            display: inline-block;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section_title {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .section_title {
                font-size: 27px;
            }
        }

        /* ===== Horizontal scroll ===== */
        .hscroll_wrap {
            overflow-x: auto;
            scroll-behavior: smooth;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            display: flex;
            gap: 20px;
            padding-bottom: 8px;
        }

        .hscroll_wrap::-webkit-scrollbar {
            display: none;
        }

        .hscroll_card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            height: 190px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.06);
            cursor: grab;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        @media (min-width: 768px) {
            .hscroll_card {
                flex-basis: 330px;
            }
        }

        .hscroll_card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .hscroll_card .card_img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s var(--ease-out);
        }

        .hscroll_card:hover .card_img {
            transform: scale(1.06);
        }

        .card_shade {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(6, 10, 19, 0.9) 0%, rgba(6, 10, 19, 0.3) 55%, rgba(6, 10, 19, 0.05) 100%);
        }

        /* Feature cards */
        .feature_grid_main {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 22px;
        }

        .feature_card_large {
            grid-column: span 7;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .feature_card_large {
                grid-column: span 12;
                min-height: 360px;
            }
        }

        .feature_card_small {
            grid-column: span 5;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 198px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .feature_card_small {
                grid-column: span 12;
            }
        }

        /* categories */
        .category_card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.055);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all 0.3s var(--ease-out);
            position: relative;
            overflow: hidden;
            display: block;
            min-height: 230px;
        }

        .category_card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .category_card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }

        .category_card:hover::before {
            opacity: 1;
        }

        .category_num {
            font-size: 42px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, 0.25);
            line-height: 1;
            transition: all 0.3s;
        }

        .category_card:hover .category_num {
            -webkit-text-stroke: 1px rgba(0, 229, 160, 0.4);
        }

        .category_arrow {
            position: absolute;
            right: 24px;
            bottom: 24px;
            font-size: 20px;
            color: rgba(255, 255, 255, 0.4);
            transition: all 0.25s var(--ease-out);
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .category_card:hover .category_arrow {
            color: var(--primary);
            transform: translateX(4px);
            border-color: rgba(0, 229, 160, 0.3);
        }

        /* News list */
        .news_item_row {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            padding: 22px 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .news_item_row:last-child {
            border-bottom: none;
        }

        .news_badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            background: rgba(61, 126, 255, 0.2);
            color: rgba(160, 190, 255, 0.95);
            letter-spacing: 0.4px;
        }

        .news_link {
            font-size: 16px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: color 0.2s;
            line-height: 1.5;
            display: block;
        }

        .news_link:hover {
            color: var(--primary);
        }

        /* FAQ */
        .faq_item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq_question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 26px 4px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.87);
            transition: color 0.2s;
        }

        .faq_question:hover {
            color: var(--primary);
        }

        .faq_arrow {
            transition: transform 0.3s var(--ease-out);
            color: rgba(255, 255, 255, 0.4);
            flex-shrink: 0;
            font-size: 18px;
        }

        .faq_item.open .faq_arrow {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq_answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s var(--ease-out);
        }

        .faq_answer p {
            color: rgba(165, 180, 205, 0.7);
            line-height: 1.7;
            padding: 0 4px 22px;
        }

        /* CTA */
        .cta_banner_dark {
            position: relative;
            border-radius: var(--radius-lg);
            background: radial-gradient(circle at 20% 30%, rgba(0, 229, 160, 0.15) 0%, transparent 45%), linear-gradient(135deg, #0B2A25 0%, #062019 50%, #0A1D25 100%);
            border: 1px solid rgba(0, 229, 160, 0.15);
            overflow: hidden;
        }

        .cta_banner_dark::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 20%;
            width: 400px;
            height: 400px;
            background: repeating-linear-gradient(45deg, rgba(0, 229, 160, 0.03) 0px, rgba(0, 229, 160, 0.03) 2px, transparent 2px, transparent 8px);
            pointer-events: none;
        }

        /* footer */
        .footer_site {
            background: #04070D;
            border-top: 1px solid rgba(0, 229, 160, 0.12);
            padding: 70px 0 30px;
            margin-top: 80px;
        }

        .footer-footnote {
            color: rgba(148, 163, 184, 0.4);
            font-size: 13px;
        }

        .social_icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            transition: all 0.25s var(--ease-out);
            font-size: 15px;
        }

        .social_icon:hover {
            color: var(--primary);
            border-color: rgba(0, 229, 160, 0.35);
        }

        .footer_link {
            color: rgba(148, 163, 184, 0.6);
            font-size: 15px;
            display: inline-block;
            padding: 6px 0;
            transition: all 0.2s;
        }

        .footer_link:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .footer_hd {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        /* ===== empty state ===== */
        .empty-state {
            border: 1px dashed rgba(255, 255, 255, 0.18);
            border-radius: 20px;
            padding: 60px 20px;
            text-align: center;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.015);
            width: 100%;
        }

        .focus-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* ======================= */
        @media (max-width: 768px) {
            .hero_wrapper {
                padding-top: calc(var(--nav-height) + 40px);
                align-items: flex-start;
            }

            .hero_h1 {
                font-size: 36px !important;
            }

            .hero_stats_panel {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .stat_item .stat_number {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .hero_stats_panel {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }

            .stat_item {
                padding: 12px 10px;
            }

            .stat_item .stat_number {
                font-size: 19px;
            }

            .stat_item .stat_label {
                font-size: 11px;
            }

            .btn_primary,
            .btn_ghost {
                width: 100%;
                padding: 14px 20px;
                font-size: 15px;
            }

            .section_title {
                font-size: 26px !important;
            }
        }
        nav [hidden] { display: none !important; }

/* roulang page: article */
:root{
  --bg:#060A13;
  --bg-soft:#0D1421;
  --bg-deep:#04070D;
  --brand:#00E5A0;
  --brand-hover:#2AF5B5;
  --accent:#3D7EFF;
  --heading:#ffffff;
  --text:#b6c0d2;
  --text-muted:#64748B;
  --border-alpha:rgba(255,255,255,.06);
  --card-radius:1rem;
  --ease:cubic-bezier(.33,1,.68,1);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:#cbd5e1;
  font-family: -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:rgba(0,229,160,.25);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.container_global{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
@media(max-width:640px){.container_global{padding-left:18px;padding-right:18px}}
.brand_logo_text{letter-spacing:-.03em}
.nav_link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.58);
  padding:10px 2px;
  transition:color .25s var(--ease);
}
.nav_link::after{
  content:'';
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s var(--ease);
}
.nav_link:hover{color:#fff}
.nav_link:hover::after{transform:scaleX(1)}
.nav_link.active{color:#fff}
.nav_link.active::after{
  content:'';
  position:absolute;
  left:0;bottom:-2px;
  width:20px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(1);
}
.header_avatar{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  color:#94a3b8;
  cursor:pointer;
  transition:border-color .25s ease,color .25s ease;
}
.header_avatar:hover{border-color:rgba(0,229,160,.45);color:#00E5A0}
.btn_line{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  color:#e2e8f0;
  font-size:14px;font-weight:600;
  padding:9px 19px;
  background:rgba(255,255,255,.04);
  transition:all .25s var(--ease);
}
.btn_line:hover{background:rgba(0,229,160,.08);border-color:rgba(0,229,160,.5);color:#00E5A0;transform:translateY(-1px)}
.btn_brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);
  color:#04150f;
  border-radius:999px;
  font-weight:800;
  font-size:14px;
  padding:10px 22px;
  box-shadow:0 0 0 rgba(0,229,160,0);
  transition:all .25s var(--ease);
}
.btn_brand:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,229,160,.18)}
.btn_brand i{font-size:13px}
.site_header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(8,11,20,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.05);
  transition:background .3s ease;
}
.site_header.scrolled{background:rgba(8,11,20,.96);box-shadow:0 12px 32px rgba(0,0,0,.35)}
.header_inner{display:flex;align-items:center;height:74px;gap:24px}
.breadcrumb_bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:#64748B;padding-top:32px}
.breadcrumb_bar a{color:#94a3b8;transition:color .2s ease}
.breadcrumb_bar a:hover{color:#00E5A0}
.breadcrumb_bar .sep{color:rgba(100,116,139,.5)}
.breadcrumb_bar .current{color:#cbd5e1;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:640px){.breadcrumb_bar .current{max-width:190px}}
.article_title{
  font-size:clamp(30px,4vw,50px);
  line-height:1.15;
  letter-spacing:-.025em;
  color:#fff;
  font-weight:900;
  margin:20px 0 18px;
}
.section_eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#00E5A0;
}
.section_eyebrow::before{content:'';width:16px;height:2px;background:#00E5A0;display:inline-block}
.category_badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(0,229,160,.1);
  border:1px solid rgba(0,229,160,.2);
  color:#7df5cd;
  font-size:12px;
  font-weight:600;
  border-radius:6px;
  padding:3px 10px;
}
.meta_blocks{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:#64748B;font-size:13px}
.meta_blocks .dot{width:3px;height:3px;border-radius:50%;background:#475569;display:inline-block}
.meta_user{display:flex;align-items:center;gap:8px;color:#94a3b8}
.meta_user .avatar{
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,#111B2E,#0B1220);
  border:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:#00E5A0;
}
.article_feature_img{
  margin-top:28px;
  border-radius:28px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
  aspect-ratio:16/8;
  background:linear-gradient(135deg,#111B2E,#080C18);
}
.article_feature_img img{width:100%;height:100%;object-fit:cover}
.image_caption_muted{margin-top:10px;font-size:12px;color:#64748B;text-align:center}
.article_body{
  color:var(--text);
  font-size:17px;
  line-height:1.95;
  margin-top:36px;
  word-break:break-word;
}
.article_body p{margin:0 0 24px;color:#c2cad9}
.article_body h2{color:#fff;font-size:24px;font-weight:800;line-height:1.4;margin:44px 0 16px;letter-spacing:-.02em}
.article_body h3{color:#f1f5f9;font-size:20px;font-weight:700;line-height:1.45;margin:36px 0 12px}
.article_body ul,.article_body ol{margin:0 0 24px;padding-left:22px;color:#c2cad9}
.article_body ul li,.article_body ol li{margin-bottom:10px;line-height:1.9}
.article_body ul li::marker{color:#00E5A0}
.article_body blockquote{
  border-left:4px solid #00E5A0;
  background:rgba(0,229,160,.05);
  padding:16px 24px;
  margin:28px 0;
  border-radius:0 18px 18px 0;
  color:#f1f5f9;
  font-style:italic;
}
.article_body a{color:#00E5A0;border-bottom:1px solid rgba(0,229,160,.25);transition:border-color .2s}
.article_body a:hover{border-color:#00E5A0}
.article_body strong{color:#fff;font-weight:700}
.article_body .highlight_score{
  color:#00E5A0;
  font-weight:800;
  font-feature-settings:"tnum";
}
.article_body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article_body th,.article_body td{border-bottom:1px solid rgba(255,255,255,.08);padding:12px 14px;text-align:left;color:#cbd5e1}
.article_body th{color:#fff;background:rgba(255,255,255,.03);font-weight:700}
.article_card_wrap{background:var(--bg-soft);border:1px solid rgba(255,255,255,.07);border-radius:20px;padding:22px}
.ui_card{
  background:var(--bg-soft);
  border:1px solid rgba(255,255,255,.06);
  border-radius:20px;
  transition:all .3s var(--ease);
}
.ui_card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.18);box-shadow:0 24px 48px rgba(0,0,0,.32)}
.tag_pill{
  display:inline-flex;
  align-items:center;
  background:rgba(61,126,255,.08);
  border:1px solid rgba(61,126,255,.16);
  color:#b9cdff;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  padding:5px 14px;
  line-height:1.4;
  cursor:default;
}
.article_share_btn{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#94a3b8;
  font-size:14px;
  cursor:pointer;
  transition:all .25s ease;
}
.article_share_btn:hover{color:#00E5A0;border-color:rgba(0,229,160,.4);transform:translateY(-2px)}
.prev_next_grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:14px}
@media(max-width:640px){.prev_next_grid{grid-template-columns:1fr;gap:8px}}
.pn_item{
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:22px;
}
.pn_label{font-size:12px;color:#64748B;margin-bottom:4px;display:flex;align-items:center;gap:6px}
.pn_link{font-size:16px;font-weight:700;color:#e2e8f0;transition:color .25s ease;line-height:1.4}
.pn_link:hover{color:#00E5A0}
.pn_arrow{transition:transform .25s ease;display:inline-block}
a:hover .pn_arrow{-prefix-transform:translateX(-6px);transform:translateX(-6px)}
a:hover .pn_arrow_next{transform:translateX(6px)}
.aside_sticky{position:sticky;top:100px}
.related_sub_img{aspect-ratio:16/10;overflow:hidden;border-radius:16px;border:1px solid rgba(255,255,255,.06);background:linear-gradient(135deg,#0d1421,#0a0f1a)}
.related_sub_img img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.article_scroll_card:hover .related_sub_img img{transform:scale(1.05)}
.footer_site{
  background:#04070D;
  border-top:1px solid rgba(0,229,160,.08);
  margin-top:60px;
  padding-top:72px;
  padding-bottom:36px;
}
.footer_hd{color:#f1f5f9;font-size:14px;font-weight:700;margin-bottom:16px}
.footer_link{
  color:#64748B;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer_link:hover{color:#00E5A0;transform:translateX(3px)}
.social_icon{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#64748B;
  font-size:13px;
  transition:all .25s ease;
}
.social_icon:hover{color:#00E5A0;border-color:rgba(0,229,160,.5)}
.footer_bottom{
  border-top:1px solid rgba(255,255,255,.05);
  margin-top:40px;
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:#475569;
  font-size:13px;
}
.empty_state_box{
  border:1px dashed rgba(255,255,255,.18);
  border-radius:22px;
  background:rgba(13,20,33,.6);
  padding:64px 24px;
  text-align:center;
}
.skeleton_shine{
  position:relative;
  overflow:hidden;
  background:linear-gradient(90deg,#111B2E,#182338,#111B2E);
  background-size:200% 100%;
  animation:skeletonShine 4s linear infinite;
}
@keyframes skeletonShine{
  0%{background-position:200% 0}
  100%{background-position:-200% 0}
}
.mobile_panel{
  display:none;
}
@media(max-width:1023px){
  .desktop_nav{display:none}
  .desktop_action_cta{display:none}
  .menu_toggle{display:inline-flex}
  .mobile_panel{
    position:fixed;
    top:0;right:-290px;
    width:280px;
    height:100vh;
    background:rgba(6,10,19,.98);
    z-index:80;
    padding:80px 26px 30px;
    border-left:1px solid rgba(255,255,255,.07);
    transition:right .35s var(--ease);
    display:block;
    visibility:hidden;
    box-shadow:-20px 0 60px rgba(0,0,0,.3);
  }
  .mobile_panel.open{
    right:0;
    visibility:visible;
  }
  .mobile_panel a{
    display:block;
    color:rgba(255,255,255,.72);
    font-size:17px;
    font-weight:600;
    padding:13px 16px;
    border-radius:12px;
    transition:background .2s ease,color .2s ease;
  }
  .mobile_panel a:hover{background:rgba(0,229,160,.08);color:#00E5A0}
  .mobile_panel a.active{background:rgba(0,229,160,.1);color:#00E5A0}
  .menu_overlay{
    position:fixed;inset:0;
    background:rgba(0,0,0,.45);
    z-index:70;
    opacity:0;
    visibility:hidden;
    transition:opacity .3s ease;
  }
  .menu_overlay.show{opacity:1;visibility:visible}
}
.menu_toggle{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);
  align-items:center;
  justify-content:center;
  color:#fff;
  cursor:pointer;
}
@media(max-width:1023px){
  .menu_toggle{display:inline-flex}
}
@media(max-width:767px){
  .article_scroll_grid{display:block}
  .related_card_row{margin-bottom:16px}
}
@media(min-width:1024px){
  .article_scroll_grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
}

/* roulang page: category1 */
:root {
            --bg: #060A13;
            --bg-card: #0D1421;
            --bg-card-hover: #111B2E;
            --brand: #00E5A0;
            --brand-hover: #2AF5B5;
            --accent: #3D7EFF;
            --text-default: #cbd5e1;
            --text-weak: #64748b;
            --text-dim: #475569;
            --text-white: #ffffff;
            --border-soft: rgba(255, 255, 255, .06);
            --border-hard: rgba(255, 255, 255, .14);
            --radius-card: 1.15rem;
            --radius-panel: 1.8rem;
            --radius-pill: 999px;
            --shadow-card: 0 18px 40px rgba(0, 0, 0, .32);
            --shadow-brand: 0 0 32px rgba(0, 229, 160, .26);
            --ease: cubic-bezier(.33, 1, .68, 1);
        }
        * {
            box-sizing: border-box;
            font-feature-settings: "tnum";
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text-default);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s var(--ease), background-color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease), opacity .25s var(--ease);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        input {
            font-family: inherit;
        }
        .container_global {
            max-width: 80rem;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .section_gap {
            padding: 4.5rem 0;
        }
        @media (min-width:768px) {
            .section_gap {
                padding: 6.5rem 0;
            }
        }
        /* ---------- header ---------- */
        .site_header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(8, 11, 20, .82);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
        }
        .site_header.scrolled {
            background: rgba(8, 11, 20, .96);
            box-shadow: 0 18px 42px rgba(0, 0, 0, .4);
        }
        .brand_logo {
            display: flex;
            align-items: center;
            gap: .7rem;
            white-space: nowrap;
        }
        .brand_logo .brand_name {
            font-size: 1.2rem;
            font-weight: 900;
            letter-spacing: -.02em;
            color: #fff;
        }
        .nav_link {
            position: relative;
            font-size: .92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, .52);
            padding: .4rem .1rem;
            transition: color .25s var(--ease);
        }
        .nav_link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            height: 2px;
            width: 100%;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s var(--ease), opacity .3s var(--ease);
            opacity: 0;
            border-radius: 2px;
        }
        .nav_link:hover {
            color: rgba(255, 255, 255, .95);
        }
        .nav_link:hover::after {
            transform: scaleX(.7);
            opacity: .5;
        }
        .nav_link.active {
            color: #fff;
            font-weight: 600;
        }
        .nav_link.active::after {
            transform: scaleX(1);
            opacity: 1;
            width: 1.4rem;
            left: 0;
        }
        .nav_link.active:hover {
            color: #fff;
        }
        .btn_primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--brand);
            color: #06120d;
            font-weight: 800;
            padding: .72rem 1.5rem;
            border-radius: var(--radius-pill);
            transition: all .25s var(--ease);
            box-shadow: 0 0 0 rgba(0, 229, 160, 0);
            white-space: nowrap;
        }
        .btn_primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 229, 160, .28);
            color: #06120d;
        }
        .btn_secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            padding: .72rem 1.5rem;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, .14);
            color: rgba(255, 255, 255, .85);
            font-weight: 600;
            background: rgba(255, 255, 255, .03);
            backdrop-filter: blur(11px);
            white-space: nowrap;
            transition: all .25s var(--ease);
        }
        .btn_secondary:hover {
            border-color: var(--brand);
            color: var(--brand);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
        }
        .pill_btn {
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 999px;
            color: #fff;
            background: rgba(255, 255, 255, .05);
            padding: .55rem 1.2rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            backdrop-filter: blur(18px);
            transition: all .25s var(--ease);
        }
        .pill_btn:hover {
            border-color: rgba(0, 229, 160, .8);
            color: #00E5A0;
        }
        .icon_action {
            width: 2.4rem;
            height: 2.4rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .55);
            border: 1px solid transparent;
            transition: all .25s var(--ease);
        }
        .icon_action:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .05);
        }
        .header_search {
            position: absolute;
            left: 0;
            right: 0;
            top: 100%;
            background: rgba(8, 11, 20, .98);
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            box-shadow: 0 30px 55px rgba(0, 0, 0, .5);
            padding: 1rem 0;
            display: none;
        }
        .header_search.open {
            display: block;
        }
        .header_search input {
            width: 100%;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 999px;
            padding: .8rem 1.5rem .8rem 2.8rem;
            color: #fff;
            font-size: .95rem;
            outline: none;
            transition: all .25s var(--ease);
        }
        .header_search input::placeholder {
            color: var(--text-weak);
        }
        .header_search input:focus {
            border-color: rgba(0, 229, 160, .65);
            box-shadow: 0 0 0 4px rgba(0, 229, 160, .1);
        }
        .mobile_mask {
            position: fixed;
            inset: 0;
            background: rgba(2, 6, 12, .78);
            backdrop-filter: blur(2px);
            z-index: 70;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s var(--ease);
        }
        .mobile_mask.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile_drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(340px, 82vw);
            z-index: 75;
            background: #0a0f19;
            box-shadow: -22px 0 60px rgba(0, 0, 0, .45);
            border-left: 1px solid rgba(255, 255, 255, .06);
            padding: 1.5rem;
            transform: translateX(102%);
            transition: transform .3s var(--ease);
            overflow-y: auto;
        }
        .mobile_drawer.open {
            transform: translateX(0);
        }
        .mobile_drawer a {
            display: block;
            padding: .72rem 0;
            font-weight: 600;
            color: rgba(255, 255, 255, .7);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }
        .mobile_drawer a.active {
            color: #00E5A0;
            border-bottom-color: transparent;
        }
        /* ---------- hero cat ---------- */
        .cat_hero {
            background-size: cover;
            background-position: center 42%;
            min-height: 70vh;
            display: flex;
            align-items: flex-end;
            padding-top: 8.5rem;
            padding-bottom: 3.5rem;
            position: relative;
            isolation: isolate;
        }
        .cat_hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            top: 0;
            z-index: -1;
            background: linear-gradient(90deg, rgba(6, 10, 19, .98) 6%, rgba(6, 10, 19, .66) 46%, rgba(6, 10, 19, .05) 100%),
                linear-gradient(0deg, rgba(6, 10, 19, .96) 0%, rgba(6, 10, 19, .28) 72%, rgba(6, 10, 19, .45) 100%);
        }
        .breadcrumb_line {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: .8rem;
            color: var(--text-weak);
            letter-spacing: .02em;
        }
        .breadcrumb_line a {
            color: rgba(255, 255, 255, .45);
        }
        .breadcrumb_line a:hover {
            color: #00E5A0;
        }
        .breadcrumb_line span {
            color: rgba(255, 255, 255, .8);
        }
        .breadcrumb_line i {
            font-size: .72rem;
            color: #3f4b60;
        }
        .cat_title_outer {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-top: 1.7rem;
        }
        .cat_title_outer .strip {
            width: 5px;
            height: 3rem;
            background: var(--brand);
            border-radius: 4px;
            margin-top: .38rem;
            box-shadow: 0 0 18px rgba(0, 229, 160, .42);
        }
        .cat_h1 {
            font-size: clamp(2.6rem, 5.5vw, 4.7rem);
            font-weight: 900;
            color: #fff;
            letter-spacing: -.04em;
            line-height: 1.08;
            margin: 0 0 .4rem;
        }
        .cat_sub {
            max-width: 45rem;
            color: #b7c0d0;
            font-size: 1.06rem;
            line-height: 1.8;
        }
        .live_pulse {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .75rem;
            font-weight: 600;
            letter-spacing: .1em;
            color: #d8e1ee;
            background: rgba(0, 229, 160, .08);
            border: 1px solid rgba(0, 229, 160, .22);
            border-radius: 999px;
            padding: .36rem 1rem;
        }
        .live_pulse .dot {
            width: .45rem;
            height: .45rem;
            background: #00E5A0;
            border-radius: 999px;
            animation: pulseDot 2s infinite;
        }
        @keyframes pulseDot {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, .6);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(0, 229, 160, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0);
            }
        }
        /* ---------- stat panel glass ---------- */
        .glass_panel {
            background: rgba(255, 255, 255, .045);
            border: 1px solid rgba(255, 255, 255, .08);
            backdrop-filter: blur(18px);
            border-radius: var(--radius-panel);
            box-shadow: 0 18px 45px rgba(0, 0, 0, .22);
        }
        .stat_item {
            text-align: left;
            padding: 1.5rem;
        }
        .stat_item .stat_num {
            color: var(--brand);
            font-weight: 900;
            font-size: clamp(1.6rem, 2.3vw, 2.15rem);
            letter-spacing: -.03em;
            line-height: 1.2;
            font-feature-settings: "tnum";
        }
        .stat_item .stat_label {
            color: var(--text-weak);
            font-size: .8rem;
            letter-spacing: .04em;
            margin-top: .3rem;
            text-transform: uppercase;
        }
        /* ---------- section headings ---------- */
        .sec_label {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            font-size: .78rem;
            font-weight: 800;
            letter-spacing: .1em;
            color: #00E5A0;
            text-transform: uppercase;
        }
        .sec_label::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }
        .sec_title {
            color: #fff;
            font-size: clamp(1.7rem, 3vw, 2.45rem);
            font-weight: 900;
            letter-spacing: -.02em;
            line-height: 1.2;
            margin: .55rem 0 0;
        }
        .sec_desc {
            color: var(--text-weak);
            margin-top: .7rem;
            max-width: 44rem;
        }
        /* ---------- cards ---------- */
        .feature_card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 1.4rem;
            overflow: hidden;
            transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
        }
        .feature_card:hover {
            transform: translateY(-5px);
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 160, .26);
            box-shadow: 0 22px 46px rgba(0, 0, 0, .32);
        }
        .feature_card .img_wrap {
            overflow: hidden;
            background: #0c141f;
        }
        .feature_card .img_wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s var(--ease), opacity .4s ease;
        }
        .feature_card:hover .img_wrap img {
            transform: scale(1.05);
        }
        .feature_card .card_body {
            padding: 1.4rem;
        }
        .tag_status {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(0, 229, 160, .1);
            color: #2af5b5;
            border: 1px solid rgba(0, 229, 160, .2);
            font-size: .7rem;
            border-radius: 999px;
            padding: .22rem .7rem;
            font-weight: 600;
            letter-spacing: .02em;
        }
        .tag_blue {
            background: rgba(61, 126, 255, .15);
            border-color: rgba(61, 126, 255, .28);
            color: #94b8e8;
        }
        .arrow_link {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: .85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, .75);
        }
        .arrow_link i {
            transition: transform .25s var(--ease);
        }
        .feature_card:hover .arrow_link i {
            transform: translateX(5px);
        }
        .arrow_link:hover {
            color: #00E5A0;
        }
        /* ---------- hot recommended ---------- */
        .hot_feature {
            position: relative;
            border-radius: 1.4rem;
            overflow: hidden;
            min-height: 400px;
            display: flex;
            align-items: flex-end;
            background-color: #0b1421;
            border: 1px solid rgba(255, 255, 255, .07);
            transition: all .35s var(--ease);
        }
        .hot_feature:hover {
            border-color: rgba(0, 229, 160, .32);
            box-shadow: 0 24px 55px rgba(0, 0, 0, .38);
        }
        .hot_feature img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s var(--ease);
        }
        .hot_feature:hover img {
            transform: scale(1.04);
        }
        .hot_feature .mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(5, 8, 18, .95) 4%, rgba(5, 8, 18, .08) 72%, rgba(5, 8, 18, .26) 100%);
            transition: background .3s ease;
        }
        .hot_feature .content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 1.6rem;
        }
        .badge_top {
            position: absolute;
            top: 1.15rem;
            left: 1.15rem;
            z-index: 5;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            border-radius: 999px;
            padding: .34rem .9rem;
            font-size: .75rem;
            font-weight: 700;
            background: rgba(9, 13, 24, .8);
            backdrop-filter: blur(9px);
            border: 1px solid rgba(255, 255, 255, .13);
            color: #fff;
        }
        .badge_top.warm {
            background: rgba(255, 170, 66, .15);
            border-color: rgba(255, 170, 66, .45);
            color: #ffab55;
        }
        .badge_top.live {
            background: rgba(0, 229, 160, .13);
            border-color: rgba(0, 229, 160, .35);
            color: #02eaa7;
        }
        .divider_x {
            height: 1px;
            background: linear-gradient(90deg, rgba(255, 255, 255, .11), transparent);
        }
        /* ---------- project scroll ---------- */
        .game_scroll {
            display: flex;
            gap: .8rem;
            overflow-x: auto;
            padding-bottom: .65rem;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            scroll-snap-type: x mandatory;
        }
        .game_scroll::-webkit-scrollbar {
            display: none;
        }
        .game_scroll .game_pill {
            scroll-snap-align: start;
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .82rem;
            font-weight: 600;
            color: rgba(255, 255, 255, .68);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: .45rem 1.1rem;
            background: rgba(255, 255, 255, .045);
            transition: all .25s var(--ease);
        }
        .game_scroll .game_pill:hover {
            border-color: rgba(0, 229, 160, .65);
            color: #00E5A0;
            background: rgba(0, 229, 160, .05);
        }
        .icon_dot {
            width: 6px;
            height: 6px;
            border-radius: 999px;
            background: #00E5A0;
            box-shadow: 0 0 10px rgba(0, 229, 160, .7);
        }
        /* ---------- features list ---------- */
        .check_item {
            display: flex;
            gap: .9rem;
            align-items: flex-start;
        }
        .check_item .mark {
            flex: 0 0 auto;
            width: 1.65rem;
            height: 1.65rem;
            border-radius: 999px;
            background: rgba(0, 229, 160, .1);
            border: 1px solid rgba(0, 229, 160, .33);
            color: #00E5A0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .72rem;
            font-weight: 800;
            margin-top: .2rem;
        }
        .timeline_step {
            position: relative;
            padding-left: 2.65rem;
            padding-bottom: 2.45rem;
        }
        .timeline_step::before {
            content: "";
            position: absolute;
            left: .74rem;
            top: 1.8rem;
            bottom: .35rem;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 229, 160, .55), rgba(61, 126, 255, .18), transparent);
        }
        .timeline_step:last-child::before {
            display: none;
        }
        .timeline_step .step_no {
            position: absolute;
            left: 0;
            top: .2rem;
            width: 1.55rem;
            height: 1.55rem;
            border-radius: 999px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #0f1929;
            border: 1px solid rgba(0, 229, 160, .28);
            color: #00E5A0;
            font-weight: 800;
            font-size: .76rem;
        }
        /* ---------- faq ---------- */
        .faq_card {
            border: 1px solid transparent;
            border-bottom-color: rgba(255, 255, 255, .1);
            transition: border-color .25s ease, background .25s ease;
        }
        .faq_card[open] {
            border-color: transparent;
            border-bottom-color: rgba(255, 255, 255, .1);
        }
        .faq_card summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            list-style: none;
            cursor: pointer;
            padding: 1.3rem .1rem;
            font-weight: 650;
            color: #fff;
            font-size: .98rem;
        }
        .faq_card summary::-webkit-details-marker {
            display: none;
        }
        .faq_card summary .faq_arrow {
            flex: 0 0 auto;
            width: 2rem;
            height: 2rem;
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 999px;
            color: #ffffffaa;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .28s var(--ease);
        }
        .faq_card summary .faq_arrow i {
            font-size: .8rem;
            transition: transform .28s var(--ease);
        }
        .faq_card[open] summary .faq_arrow {
            border-color: rgba(0, 229, 160, .7);
            color: #00E5A0;
        }
        .faq_card[open] summary .faq_arrow i {
            transform: rotate(45deg);
        }
        .faq_body {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .25s var(--ease);
        }
        .faq_card[open] .faq_body {
            grid-template-rows: 1fr;
        }
        .faq_body_inner {
            overflow: hidden;
            padding-right: 2.5rem;
            padding-bottom: 1.35rem;
            color: #94a0b5;
            font-size: .92rem;
            line-height: 1.85;
        }
        /* ---------- CTA banner ---------- */
        .cta_banner {
            position: relative;
            border-radius: 2rem;
            padding: 2.8rem 2.5rem;
            background: linear-gradient(128deg, rgba(2, 34, 26, .95), rgba(7, 23, 31, .95));
            border: 1px solid rgba(0, 229, 160, .19);
            overflow: hidden;
        }
        @media (min-width:768px) {
            .cta_banner {
                padding: 3.8rem 3.5rem;
            }
        }
        .cta_banner::after {
            content: "";
            position: absolute;
            right: -5rem;
            bottom: -8rem;
            width: 28rem;
            height: 28rem;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 160, .17), transparent 68%);
            pointer-events: none;
        }
        .cta_banner .cta_inner {
            position: relative;
            z-index: 2;
        }
        .cta_title {
            font-size: clamp(1.55rem, 3vw, 2.4rem);
            color: #fff;
            font-weight: 900;
            letter-spacing: -.02em;
            line-height: 1.2;
            margin: 0;
        }
        .cta_text {
            color: #99b9b0;
            margin-top: .65rem;
        }
        /* ---------- footer ---------- */
        .footer_site {
            background: #04070d;
            border-top: 1px solid rgba(0, 229, 160, .18);
            margin-top: 0;
            font-size: .93rem;
        }
        .footer_site::before {
            content: "";
            height: 1px;
            display: block;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, .38), transparent);
        }
        .footer_hd {
            color: #fff;
            font-weight: 700;
            font-size: .96rem;
            margin-bottom: 1rem;
        }
        .footer_link {
            color: #5d697c;
            font-size: .88rem;
            line-height: 1.55;
            transition: color .25s ease;
        }
        .footer_link:hover {
            color: #00E5A0;
        }
        .social_icon {
            width: 2.25rem;
            height: 2.25rem;
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #64748b;
            transition: all .25s var(--ease);
        }
        .social_icon:hover {
            color: #00E5A0;
            border-color: rgba(0, 229, 160, .55);
            transform: translateY(-2px);
        }
        /* ---------- skeleton ---------- */
        .skeleton {
            position: relative;
            overflow: hidden;
            background: #101823;
        }
        .skeleton::after {
            content: "";
            position: absolute;
            inset: 0;
            transform: translateX(-100%);
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .055), transparent);
            animation: skeletonScan 1.6s infinite;
        }
        @keyframes skeletonScan {
            to {
                transform: translateX(100%);
            }
        }
        :focus-visible {
            outline: 2px solid #00E5A0;
            outline-offset: 3px;
            border-radius: 3px;
        }

/* roulang page: category2 */
:root {
    --bg: #060A13;
    --surface: #0D1421;
    --surface-deep: #04070D;
    --rise: #111B2E;
    --brand: #00E5A0;
    --brand-bright: #2AF5B5;
    --electric: #3D7EFF;
    --line: rgba(255, 255, 255, 0.06);
    --line-strong: rgba(255, 255, 255, 0.09);
    --text: #cbd5e1;
    --muted: #8fa2b8;
    --dim: #64748b;
    --yellow: #FFC53D;
    --radius: 24px;
    --radius-card: 18px;
    --ease: cubic-bezier(0.33, 1, 0.68, 1);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "HarmonyOS Sans SC", system-ui, -apple-system, sans-serif;
    font-feature-settings: "tnum";
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  body, section, main {
    letter-spacing: 0.01em;
  }

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

  a {
    color: inherit;
    text-decoration: none;
  }

  button,
  input {
    font-family: inherit;
  }

  ::selection {
    background: rgba(0, 229, 160, 0.22);
    color: #fff;
  }

  :focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 6px;
  }

  .container_global {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 28px;
  }

  .section_pad {
    padding-top: 96px;
    padding-bottom: 96px;
  }

  .eyebrow_label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: rgba(0, 229, 160, 0.08);
    border: 1px solid rgba(0, 229, 160, 0.18);
    padding: 6px 14px;
    border-radius: 999px;
  }

  .eyebrow_label .pulse_dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5);
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5); }
    70% { box-shadow: 0 0 0 8px rgba(0, 229, 160, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 229, 160, 0); }
  }

  .section_h2 {
    color: #fff;
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.18;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-top: 16px;
    margin-bottom: 14px;
  }

  .section_lead {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.9;
    max-width: 720px;
  }

  .green_bar {
    width: 28px;
    height: 4px;
    border-radius: 999px;
    background: var(--brand);
    box-shadow: 0 0 16px rgba(0, 229, 160, 0.35);
    display: inline-block;
    margin-bottom: 14px;
  }

  .site_header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 80;
    background: rgba(8, 11, 20, 0.8);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }

  .site_header.scrolled {
    background: rgba(6, 9, 16, 0.95);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  }

  .header_inner {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .brand_group {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
  }

  .brand_text {
    font-size: 22px;
    font-weight: 900;
    color: #fff;
    white-space: nowrap;
    letter-spacing: -0.02em;
  }

  .brand_text em {
    font-style: italic;
    color: var(--brand);
  }

  .brand_group .brand_caption {
    display: none;
  }

  .nav_link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 16px 2px 12px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.55);
    white-space: nowrap;
    transition: color 0.25s var(--ease);
  }

  .nav_link::after {
    content: "";
    position: absolute;
    left: 2px;
    bottom: 4px;
    width: 0;
    height: 2px;
    background: var(--brand);
    transition: width 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }

  .nav_link:hover {
    color: #fff;
  }

  .nav_link:hover::after {
    width: 18px;
  }

  .nav_link.active {
    color: #fff;
    font-weight: 700;
  }

  .nav_link.active::after {
    width: 100%;
    box-shadow: 0 0 12px rgba(0, 229, 160, 0.6);
  }

  .icon_btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.25s var(--ease);
    cursor: pointer;
  }

  .icon_btn:hover {
    color: var(--brand);
    border-color: rgba(0, 229, 160, 0.4);
  }

  .header_avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(61, 126, 255, 0.55), rgba(0, 229, 160, 0.35));
    border: 1px solid rgba(255, 255, 255, 0.16);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    cursor: default;
  }

  .pill_btn_dark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 20px;
    border-radius: 999px;
    background: #fff;
    color: #060A13;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
    transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  }

  .pill_btn_dark:hover {
    background: var(--brand);
    transform: translateY(-1px);
    box-shadow: 0 0 24px rgba(0, 229, 160, 0.2);
  }

  .header_search {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: min(760px, calc(100vw - 30px));
    display: none;
    align-items: center;
    gap: 10px;
    background: rgba(17, 27, 46, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 999px;
    padding: 8px 12px;
    backdrop-filter: blur(20px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  }

  .header_search.show {
    display: flex;
  }

  .header_search input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 14px;
    padding: 8px 14px;
  }

  .header_search input::placeholder {
    color: #64748b;
  }

  .header_search input:focus {
    outline: none;
  }

  .header_search_btn {
    height: 38px;
    padding: 0 20px;
    background: var(--brand);
    color: #030711;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: background 0.2s var(--ease);
  }

  .header_search_btn:hover {
    background: var(--brand-bright);
  }

  .drawer_mask {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(3, 5, 10, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), visibility 0.3s;
  }

  .drawer_mask.show {
    opacity: 1;
    visibility: visible;
  }

  .mobile_drawer {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    width: min(340px, 86vw);
    background: #070B14;
    border-left: 1px solid rgba(255, 255, 255, 0.07);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
  }

  .mobile_drawer.open {
    transform: translateX(0);
  }

  .drawer_close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #94a3b8;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    cursor: pointer;
    margin-left: auto;
  }

  .drawer_link {
    display: block;
    padding: 14px 6px;
    font-size: 17px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: color 0.25s, padding-left 0.25s var(--ease);
  }

  .drawer_link:hover {
    color: var(--brand);
    padding-left: 12px;
  }

  .drawer_link.active {
    color: #fff;
  }

  .category_hero {
    position: relative;
    overflow: hidden;
    padding: 152px 0 72px;
    background: #080C18;
  }

  .category_hero .hero_bg_img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.4;
  }

  .category_hero .hero_bg_overlay {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(90deg, rgba(6, 10, 19, 0.96) 0%, rgba(6, 10, 19, 0.8) 35%, rgba(6, 10, 19, 0.25) 80%, rgba(6, 10, 19, 0.15) 100%),
      linear-gradient(0deg, rgba(6, 10, 19, 0.95) 0%, rgba(6, 10, 19, 0.2) 100%);
  }

  .hero_content_wrap {
    position: relative;
    z-index: 5;
  }

  .hero_split {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 56px;
    align-items: center;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #7c8ba0;
    margin-bottom: 26px;
  }

  .breadcrumb a {
    transition: color 0.2s;
  }

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

  .breadcrumb .sep {
    color: rgba(255, 255, 255, 0.18);
  }

  .breadcrumb .current {
    color: rgba(255, 255, 255, 0.48);
  }

  .h1_wrap {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: 20px;
  }

  .h1_rail {
    width: 6px;
    height: 56px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--brand), rgba(0, 229, 160, 0.15));
    margin-top: 10px;
    flex-shrink: 0;
  }

  .hero_h1 {
    color: #fff;
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin: 0;
  }

  .hero_h1 .accent_text {
    color: var(--brand);
  }

  .hero_lead {
    margin-top: 20px;
    color: #9CB0C4;
    font-size: 17px;
    line-height: 1.9;
    max-width: 580px;
  }

  .hero_lead strong {
    color: #fff;
    font-weight: 700;
  }

  .hero_actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
  }

  .btn_primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 28px;
    border-radius: 999px;
    background: var(--brand);
    color: #04120C;
    font-size: 15px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: all 0.28s var(--ease);
  }

  .btn_primary:hover {
    background: var(--brand-bright);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 229, 160, 0.24);
  }

  .btn_ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 28px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #e2e8f0;
    font-size: 15px;
    font-weight: 600;
    backdrop-filter: blur(12px);
    transition: all 0.28s var(--ease);
    cursor: pointer;
  }

  .btn_ghost:hover {
    border-color: rgba(0, 229, 160, 0.6);
    color: var(--brand-bright);
    transform: translateY(-1px);
  }

  .hero_dashboard {
    background: rgba(10, 16, 28, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    backdrop-filter: blur(20px);
    padding: 22px 24px 26px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.38);
    position: relative;
  }

  .hero_dashboard::after {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
    pointer-events: none;
  }

  .board_tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(0, 229, 160, 0.1);
    border: 1px solid rgba(0, 229, 160, 0.14);
    color: var(--brand);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
  }

  .board_tag i {
    font-size: 8px;
  }

  .board_meta {
    color: #5e728c;
    font-size: 12px;
    text-align: right;
  }

  .score_line {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-top: 22px;
  }

  .team_name {
    color: #94a3b8;
    font-size: 15px;
    font-weight: 600;
  }

  .score_digits {
    color: #fff;
    font-size: 48px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -0.05em;
  }

  .score_digits span {
    color: var(--brand);
  }

  .board_phase {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    font-size: 13px;
    color: #8ea0b8;
  }

  .board_phase em {
    font-style: normal;
    color: #fff;
    font-weight: 700;
  }

  .time_bar {
    height: 5px;
    border-radius: 999px;
    margin-top: 14px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
  }

  .time_bar i {
    display: block;
    width: 68%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--electric), var(--brand));
  }

  .mini_stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 20px;
  }

  .mini_stats_item {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.045);
    border-radius: 14px;
    padding: 10px 6px;
    text-align: center;
  }

  .mini_stats_item b {
    display: block;
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
  }

  .mini_stats_item span {
    display: block;
    margin-top: 3px;
    color: #60758f;
    font-size: 11px;
  }

  .feature_card {
    height: 100%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(13, 20, 33, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 22px;
    overflow: hidden;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  }

  .feature_card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 229, 160, 0.3);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
  }

  .feature_visual {
    position: relative;
    height: 168px;
    overflow: hidden;
    background: #101a2d;
  }

  .feature_visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .feature_card:hover .feature_visual img {
    transform: scale(1.05);
  }

  .feature_visual_overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 25%, rgba(6, 10, 18, 0.85) 100%);
  }

  .feature_index {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(6, 10, 19, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    letter-spacing: 0.06em;
  }

  .feature_status {
    position: absolute;
    right: 14px;
    top: 14px;
    color: #fff;
    background: rgba(0, 229, 160, 0.18);
    border: 1px solid rgba(0, 229, 160, 0.22);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 700;
  }

  .feature_body {
    padding: 22px 22px 26px;
  }

  .feature_body h3 {
    color: #fff;
    font-size: 19px;
    font-weight: 800;
    margin: 0 0 10px;
    letter-spacing: -0.01em;
  }

  .feature_body p {
    color: #889ab1;
    font-size: 14px;
    line-height: 1.85;
    margin: 0;
  }

  .icon_chip {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: rgba(0, 229, 160, 0.1);
    border: 1px solid rgba(0, 229, 160, 0.18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 16px;
  }

  .path_card {
    background: rgba(13, 20, 33, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 22px;
    padding: 26px 26px 32px;
    height: 100%;
    transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
  }

  .path_card:hover {
    border-color: rgba(0, 229, 160, 0.3);
    transform: translateY(-3px);
  }

  .path_num {
    font-size: 42px;
    font-weight: 900;
    color: rgba(0, 229, 160, 0.18);
    line-height: 1;
    margin-bottom: 14px;
    font-style: italic;
  }

  .path_card h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    margin: 0 0 12px;
  }

  .path_card p {
    color: #8194ad;
    font-size: 14px;
    line-height: 1.85;
    margin: 0 0 18px;
  }

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

  .path_list li {
    position: relative;
    padding-left: 20px;
    color: #91a3bb;
    font-size: 14px;
    line-height: 1.8;
  }

  .path_list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--electric);
    box-shadow: 0 0 10px rgba(61, 126, 255, 0.3);
  }

  .path_list li + li {
    margin-top: 6px;
  }

  .split_insight {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
    align-items: center;
  }

  .split_media {
    grid-column: span 7;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    min-height: 340px;
  }

  .split_media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }

  .split_media:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 20%, rgba(6, 10, 19, 0.7) 100%);
  }

  .split_text {
    grid-column: span 5;
  }

  .split_text h3 {
    color: #fff;
    font-size: 30px;
    line-height: 1.3;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 14px 0 12px;
  }

  .split_text .section_lead {
    font-size: 15px;
    color: #8da0b8;
  }

  .feature_check_list {
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 18px;
  }

  .feature_check_list li {
    border-left: 2px solid rgba(0, 229, 160, 0.75);
    padding: 2px 0 2px 16px;
  }

  .feature_check_list strong {
    display: block;
    color: #eef2f7;
    font-size: 15px;
    font-weight: 700;
  }

  .feature_check_list span {
    display: block;
    color: #667b95;
    font-size: 13px;
    line-height: 1.7;
    margin-top: 3px;
  }

  .faq_section {
    background: linear-gradient(180deg, rgba(7, 12, 21, 0.2) 0%, rgba(10, 16, 28, 0.32) 100%);
  }

  .faq_intro {
    position: sticky;
    top: 110px;
  }

  .faq_list .faq_item {
    background: rgba(13, 20, 33, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.25s, background 0.25s;
  }

  .faq_item[open] {
    border-color: rgba(0, 229, 160, 0.22);
    background: rgba(14, 24, 41, 0.72);
  }

  .faq_item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    list-style: none;
    padding: 22px 22px;
    color: #e6edf5;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
  }

  .faq_item summary::-webkit-details-marker {
    display: none;
  }

  .faq_icon {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s var(--ease);
  }

  .faq_icon::before,
  .faq_icon::after {
    content: "";
    position: absolute;
    background: #7c8ba0;
    border-radius: 2px;
    transition: background 0.2s;
  }

  .faq_icon::before {
    width: 16px;
    height: 2px;
    top: 9px;
    left: 2px;
  }

  .faq_icon::after {
    width: 2px;
    height: 16px;
    top: 2px;
    left: 9px;
  }

  .faq_item[open] .faq_icon {
    transform: rotate(45deg);
  }

  .faq_item[open] .faq_icon::before,
  .faq_item[open] .faq_icon::after {
    background: var(--brand);
  }

  .faq_answer {
    padding: 0 24px 22px;
    color: #8396ad;
    font-size: 14px;
    line-height: 1.9;
  }

  .cta_banner {
    background:
      radial-gradient(circle at 12% 20%, rgba(0, 229, 160, 0.14), transparent 280px),
      radial-gradient(circle at 90% 0%, rgba(61, 126, 255, 0.1), transparent 240px),
      linear-gradient(135deg, #0d1d25 0%, #07141a 55%, #060E1B 100%);
    border: 1px solid rgba(0, 229, 160, 0.15);
    border-radius: 30px;
    padding: 54px 56px;
    position: relative;
    overflow: hidden;
  }

  .cta_banner:after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(115deg, transparent 0%, transparent 42%, rgba(255, 255, 255, 0.025) 50%, transparent 57%);
    pointer-events: none;
  }

  .footer_site {
    background: var(--surface-deep);
    border-top: 1px solid rgba(0, 229, 160, 0.15);
    padding-top: 72px;
    margin-top: 0;
  }

  .footer_hd {
    color: #f1f5f9;
    font-size: 14px;
    font-weight: 800;
    margin: 0 0 18px;
    letter-spacing: 0.04em;
  }

  .footer_link {
    color: rgba(148, 163, 184, 0.78);
    font-size: 14px;
    line-height: 2.1;
    display: inline-block;
    transition: color 0.2s, transform 0.2s var(--ease);
  }

  .footer_link:hover {
    color: var(--brand);
    transform: translateX(2px);
  }

  .social_icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #71849b;
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: all 0.25s var(--ease);
  }

  .social_icon:hover {
    color: var(--brand);
    border-color: rgba(0, 229, 160, 0.4);
  }

  .text_small_muted {
    font-size: 12px;
    color: #516579;
  }

  .glass_pattern_bg {
    background-image:
      linear-gradient(120deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
      linear-gradient(0deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 28px 28px;
  }

  @media (max-width: 1023px) {
    .hero_split {
      grid-template-columns: 1fr;
      gap: 36px;
    }

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

    .split_media {
      grid-column: span 1;
      min-height: 280px;
      position: relative;
    }

    .split_text {
      grid-column: span 1;
    }
  }

  @media (max-width: 767px) {
    .container_global {
      padding-inline: 20px;
    }

    .section_pad {
      padding-top: 56px;
      padding-bottom: 56px;
    }

    .category_hero {
      padding-top: 124px;
      padding-bottom: 48px;
    }

    .h1_wrap {
      gap: 10px;
    }

    .h1_rail {
      height: 42px;
      width: 4px;
    }

    .hero_h1 {
      font-size: 38px;
    }

    .hero_lead {
      font-size: 15px;
    }

    .hero_actions .btn_primary,
    .hero_actions .btn_ghost {
      width: 100%;
    }

    .score_digits {
      font-size: 34px;
    }

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

    .cta_banner {
      padding: 34px 24px;
    }

    .footer_site {
      padding-top: 52px;
    }
  }

  @media (max-width: 520px) {
    .brand_text {
      font-size: 18px;
    }

    .header_utility .pill_btn_dark {
      display: none;
    }

    .header_utility .icon_btn {
      width: 36px;
      height: 36px;
    }
  }

/* roulang page: category3 */
:root {
            --brand: #00E5A0;
            --brand2: #2AF5B5;
            --accent: #3D7EFF;
            --bg: #060A13;
            --surface: #0D1421;
            --raised: #111B2E;
            --line: rgba(255, 255, 255, .06);
            --text: #cbd5e1;
            --weak: #64748b;
            --heading: #ffffff;
            --ease: cubic-bezier(.33, 1, .68, 1);
            --radius: 1.25rem;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-feature-settings: "tnum";
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font: inherit;
            color: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
            border-radius: 999px;
        }

        .container_global {
            width: min(100% - 2.5rem, 80rem);
            margin-inline: auto;
        }

        .header_site {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background: rgba(8, 11, 20, .78);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--line);
            transition: background .3s var(--ease), box-shadow .3s var(--ease);
        }

        .header_site.scrolled {
            background: rgba(6, 10, 19, .96);
            box-shadow: 0 14px 44px rgba(0, 0, 0, .32);
        }

        .nav_link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 2px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .01em;
            color: rgba(255, 255, 255, .55);
            transition: color .25s var(--ease);
        }

        .nav_link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            height: 2px;
            width: 0;
            border-radius: 2px;
            background: var(--brand);
            transition: width .3s var(--ease);
        }

        .nav_link:hover {
            color: #fff;
        }

        .nav_link:hover::after {
            width: 100%;
        }

        .nav_link.active {
            color: #fff;
        }

        .nav_link.active::after {
            width: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border-radius: 999px;
            font-weight: 700;
            white-space: nowrap;
            transition: all .25s var(--ease);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .btn_primary {
            background: var(--brand);
            color: #03120c;
            box-shadow: 0 0 0 rgba(0, 229, 160, 0);
            border-color: transparent;
        }

        .btn_primary:hover {
            background: var(--brand2);
            box-shadow: 0 0 30px rgba(0, 229, 160, .25);
            transform: translateY(-2px);
        }

        .btn_ghost {
            background: rgba(255, 255, 255, .04);
            border-color: rgba(255, 255, 255, .15);
            color: #fff;
        }

        .btn_ghost:hover {
            border-color: rgba(0, 229, 160, .7);
            color: var(--brand2);
            transform: translateY(-2px);
        }

        .glass_card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--line);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius);
            transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
        }

        .glass_card:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 229, 160, .32);
            box-shadow: 0 22px 50px rgba(0, 0, 0, .35);
        }

        .hero_bg_layer {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-color: #0f172a;
        }

        .img_layer {
            background-size: cover;
            background-position: center;
            background-color: #1e293b;
        }

        .bg_visual_grad {
            background-image: linear-gradient(135deg, #0E1830 0%, #080C18 100%);
        }

        .section_tag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .18em;
            color: var(--brand);
        }

        .bar_green {
            display: inline-block;
            width: 4px;
            height: 18px;
            background: var(--brand);
            border-radius: 99px;
            box-shadow: 0 0 16px rgba(0, 229, 160, .45);
        }

        .section_title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            line-height: 1.15;
            font-weight: 900;
            letter-spacing: -.02em;
            color: var(--heading);
        }

        .live_dot {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--brand);
            box-shadow: 0 0 0 0 rgba(0, 229, 160, .5);
            animation: pulse_dot 1.8s infinite;
            display: inline-block;
        }

        @keyframes pulse_dot {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, .5);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(0, 229, 160, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0);
            }
        }

        .h_scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
            cursor: grab;
            padding: 4px 4px 16px;
            touch-action: pan-x pan-y;
        }

        .h_scroll::-webkit-scrollbar {
            display: none;
        }

        .h_scroll.dragging {
            cursor: grabbing;
            scroll-snap-type: none;
        }

        .h_scroll.dragging .h_card {
            pointer-events: none;
        }

        .h_card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            min-height: 180px;
            border-radius: 1.4rem;
            overflow: hidden;
            position: relative;
            border: 1px solid rgba(255, 255, 255, .06);
            background: #111B2E;
            transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
        }

        .h_card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 160, .3);
            box-shadow: 0 24px 54px rgba(0, 0, 0, .36);
        }

        .icon_ring {
            width: 46px;
            height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            font-size: 22px;
            line-height: 1;
        }

        .stat_cell {
            border-left: 1px solid rgba(255, 255, 255, .06);
        }

        .stat_cell:first-child {
            border-left: none;
        }

        .arrow_link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .6);
            font-weight: 700;
            transition: color .2s var(--ease), gap .2s var(--ease);
        }

        .arrow_link:hover {
            color: var(--brand);
            gap: 10px;
        }

        .project_emoji {
            font-size: 34px;
            display: block;
            filter: drop-shadow(0 4px 14px rgba(0, 0, 0, .35));
        }

        .project_card_visual {
            position: relative;
            width: 100%;
            height: 180px;
            overflow: hidden;
        }

        .project_card_visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 20, 33, .05) 0%, rgba(13, 20, 33, .82) 100%);
            pointer-events: none;
        }

        .footer_site {
            background: #04070D;
            border-top: 1px solid rgba(0, 229, 160, .24);
            position: relative;
        }

        .footer_site::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, .45), transparent);
        }

        .footer_hd {
            font-size: 14px;
            font-weight: 700;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .footer_link {
            display: inline-flex;
            color: #64748b;
            font-size: 14px;
            transition: color .2s var(--ease), transform .2s var(--ease);
            line-height: 2;
        }

        .footer_link:hover {
            color: var(--brand2);
            transform: translateX(3px);
        }

        .social_icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .12);
            color: #94a3b8;
            transition: all .25s var(--ease);
            cursor: default;
        }

        .social_icon:hover {
            color: var(--brand);
            border-color: rgba(0, 229, 160, .5);
        }

        .faq_item {
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .faq_btn {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            text-align: left;
            padding: 22px 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            line-height: 1.5;
            transition: color .2s var(--ease);
        }

        .faq_btn:hover {
            color: var(--brand2);
        }

        .faq_icon {
            position: relative;
            width: 16px;
            height: 16px;
            flex: 0 0 16px;
            opacity: .7;
            transition: transform .22s var(--ease);
        }

        .faq_icon::before,
        .faq_icon::after {
            content: "";
            position: absolute;
            background: currentColor;
            border-radius: 2px;
        }

        .faq_icon::before {
            width: 16px;
            height: 2px;
            top: 7px;
            left: 0;
        }

        .faq_icon::after {
            width: 2px;
            height: 16px;
            left: 7px;
            top: 0;
        }

        .faq_item.open .faq_icon {
            transform: rotate(45deg);
            color: var(--brand);
        }

        .faq_answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .24s var(--ease);
        }

        .faq_answer_inner {
            padding: 0 36px 22px 4px;
            color: rgba(203, 213, 225, .82);
            font-size: 15px;
            line-height: 1.85;
        }

        .shimmer_mask {
            position: relative;
            overflow: hidden;
            background: linear-gradient(110deg, #111B2E 8%, #1B2840 18%, #111B2E 33%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite linear;
        }

        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        .img_soft_shadow {
            box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
        }

        .no_scrollbar::-webkit-scrollbar {
            display: none;
        }

        .no_scrollbar {
            scrollbar-width: none;
        }

        .drawer_mask {
            position: fixed;
            inset: 0;
            background: rgba(2, 4, 10, .64);
            z-index: 60;
            opacity: 0;
            visibility: hidden;
            transition: all .3s var(--ease);
        }

        .drawer_mask.show {
            opacity: 1;
            visibility: visible;
        }

        .mobile_drawer {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 70;
            width: min(86vw, 330px);
            height: 100%;
            background: rgba(8, 11, 20, .97);
            backdrop-filter: blur(28px);
            border-left: 1px solid var(--line);
            transform: translateX(100%);
            transition: transform .34s var(--ease);
            padding: 28px 26px;
        }

        .mobile_drawer.show {
            transform: translateX(0);
        }

        @media (max-width: 768px) {
            .container_global {
                width: min(100% - 1.5rem, 80rem);
            }
            .stat_cell {
                border-left: none;
                border-top: 1px solid rgba(255, 255, 255, .06);
            }
            .stat_cell:first-child {
                border-top: none;
            }
            .h_card {
                flex-basis: 260px;
            }
        }

/* roulang page: category4 */
:root {
            --c-bg: #060A13;
            --c-card: #0D1421;
            --c-raise: #111B2E;
            --c-line: rgba(255, 255, 255, .06);
            --c-soft-line: rgba(255, 255, 255, .09);
            --c-primary: #00E5A0;
            --c-primary-strong: #2AF5B5;
            --c-accent: #3D7EFF;
            --c-title: #ffffff;
            --c-body: #cbd5e1;
            --c-weak: #64748b;
            --c-muted: #94a3b8;
            --radius-xl: 1.5rem;
            --radius-2xl: 1.75rem;
            --shadow-card: 0 18px 50px rgba(0, 0, 0, .32);
            --ease-site: cubic-bezier(.33, 1, .68, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            min-height: 100vh;
            background: var(--c-bg);
            color: var(--c-body);
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            font-feature-settings: "tnum";
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        button {
            font: inherit;
            color: inherit;
        }

        input {
            font: inherit;
        }

        ::selection {
            background: rgba(0, 229, 160, .22);
            color: #fff;
        }

        :focus-visible {
            outline: 2px solid var(--c-primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container_global {
            width: 100%;
            max-width: 80rem;
            margin-inline: auto;
            padding-inline: 1.25rem;
        }

        @media (min-width: 768px) {
            .container_global {
                padding-inline: 2rem;
            }
        }

        .section_pad {
            padding-top: 5.25rem;
            padding-bottom: 5.25rem;
        }

        @media (max-width: 767px) {
            .section_pad {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
        }

        .site_header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(8, 11, 20, .78);
            -webkit-backdrop-filter: blur(22px);
            backdrop-filter: blur(22px);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            transition: background .3s var(--ease-site), box-shadow .3s var(--ease-site);
        }

        .site_header.is-scrolled {
            background: rgba(8, 11, 20, .96);
            box-shadow: 0 12px 44px rgba(0, 0, 0, .35);
        }

        .brand_logo {
            font-size: 1.35rem;
            font-weight: 900;
            letter-spacing: -.02em;
            color: #fff;
            white-space: nowrap;
        }

        .nav_link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: .4rem .1rem;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .02em;
            transition: color .2s var(--ease-site);
        }

        .nav_link:hover {
            color: #fff;
        }

        .nav_link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -5px;
            width: 100%;
            height: 2px;
            border-radius: 999px;
            background: var(--c-primary);
            opacity: 0;
            transform: scaleX(0);
            transform-origin: right;
            transition: transform .28s var(--ease-site), opacity .2s var(--ease-site), background .2s var(--ease-site);
        }

        .nav_link:hover::after {
            opacity: 1;
            transform: scaleX(1);
            transform-origin: left;
        }

        .nav_link.active {
            color: #fff;
            font-weight: 700;
        }

        .nav_link.active::after {
            width: 20px;
            opacity: 1;
            transform: scaleX(1);
            transform-origin: left;
            background: var(--c-primary);
        }

        .btn_primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border-radius: 999px;
            background: var(--c-primary);
            color: #031b11;
            font-weight: 800;
            font-size: 15px;
            line-height: 1;
            padding: .95rem 1.7rem;
            border: 1px solid transparent;
            box-shadow: none;
            transition: background .25s var(--ease-site), transform .25s var(--ease-site), box-shadow .25s var(--ease-site), border-color .25s var(--ease-site);
        }

        .btn_primary:hover {
            background: var(--c-primary-strong);
            box-shadow: 0 0 34px rgba(0, 229, 160, .3);
            transform: translateY(-2px);
            color: #031b11;
        }

        .btn_ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, .035);
            border: 1px solid rgba(255, 255, 255, .16);
            color: #e2e8f0;
            font-weight: 600;
            font-size: 15px;
            padding: .9rem 1.55rem;
            transition: border-color .25s var(--ease-site), color .25s var(--ease-site), background .25s var(--ease-site), transform .25s var(--ease-site);
        }

        .btn_ghost:hover {
            border-color: rgba(0, 229, 160, .7);
            color: var(--c-primary);
            transform: translateY(-2px);
        }

        .icon_btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 999px;
            color: rgba(255, 255, 255, .55);
            border: 1px solid rgba(255, 255, 255, .07);
            background: transparent;
            transition: color .2s var(--ease-site), background .2s var(--ease-site), border-color .2s var(--ease-site), transform .2s var(--ease-site);
        }

        .icon_btn:hover {
            color: var(--c-primary);
            border-color: rgba(0, 229, 160, .4);
            transform: translateY(-1px);
        }

        .search_panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(7, 11, 20, .98);
            -webkit-backdrop-filter: blur(24px);
            backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--c-line);
            box-shadow: 0 24px 60px rgba(0, 0, 0, .4);
        }

        .search_panel.open {
            display: block;
        }

        .mobile_menu {
            position: fixed;
            inset: 0;
            z-index: 80;
            display: flex;
        }

        .mobile_menu.hidden {
            display: none;
        }

        .mobile_drawer {
            width: min(84vw, 380px);
            margin-left: auto;
            height: 100%;
            background: #0a1019;
            border-left: 1px solid rgba(255, 255, 255, .08);
            padding: 6rem 2rem 2rem;
            overflow-y: auto;
            box-shadow: -20px 0 60px rgba(0, 0, 0, .45);
        }

        .mobile_nav_link {
            display: block;
            color: rgba(255, 255, 255, .62);
            font-weight: 600;
            padding: .75rem .25rem;
            font-size: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            transition: color .2s var(--ease-site), padding-left .2s var(--ease-site);
        }

        .mobile_nav_link:hover {
            color: var(--c-primary);
            padding-left: .5rem;
        }

        .mobile_nav_link.active {
            color: #fff;
            font-weight: 800;
        }

        .glass_card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--c-line);
            -webkit-backdrop-filter: blur(18px);
            backdrop-filter: blur(18px);
            transition: background .3s var(--ease-site), border-color .3s var(--ease-site), transform .3s var(--ease-site), box-shadow .3s var(--ease-site);
        }

        .glass_card:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(255, 255, 255, .1);
        }

        .section_label {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-size: .78rem;
            font-weight: 800;
            letter-spacing: .12em;
            color: var(--c-primary);
            text-transform: uppercase;
        }

        .section_label::before {
            content: "";
            width: 26px;
            height: 2px;
            border-radius: 999px;
            background: var(--c-primary);
            opacity: .75;
        }

        .vertical_accent {
            width: 4px;
            align-self: stretch;
            background: linear-gradient(to bottom, var(--c-primary), rgba(0, 229, 160, .1));
            border-radius: 999px;
        }

        .link_arrow {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-weight: 600;
            color: var(--c-muted);
            transition: color .2s var(--ease-site), gap .2s var(--ease-site);
        }

        .link_arrow i {
            font-style: normal;
            transition: transform .22s var(--ease-site);
        }

        .link_arrow:hover {
            color: var(--c-primary);
        }

        .link_arrow:hover i {
            transform: translateX(4px);
        }

        .image_overlay_gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 10, 19, .08) 0%, rgba(6, 10, 19, .45) 48%, rgba(6, 10, 19, .9) 100%);
        }

        .image_overlay_left {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(6, 10, 19, .92) 0%, rgba(6, 10, 19, .65) 55%, rgba(6, 10, 19, .15) 100%);
        }

        .kicker_tag {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .04em;
            color: var(--c-primary);
            background: rgba(0, 229, 160, .08);
            border: 1px solid rgba(0, 229, 160, .18);
            padding: .35rem .6rem;
            border-radius: 4px;
            line-height: 1;
        }

        .channel_card {
            position: relative;
            border-radius: var(--radius-xl);
            background: linear-gradient(145deg, rgba(17, 27, 46, .96), rgba(11, 19, 33, .98));
            border: 1px solid rgba(255, 255, 255, .06);
            padding: 1.7rem 1.55rem;
            min-height: 260px;
            display: flex;
            flex-direction: column;
            transition: transform .3s var(--ease-site), border-color .3s var(--ease-site), box-shadow .3s var(--ease-site), background .3s var(--ease-site);
        }

        .channel_card::before {
            content: "";
            position: absolute;
            left: 1.55rem;
            right: 1.55rem;
            top: 0;
            height: 1px;
            background: linear-gradient(90deg, rgba(0, 229, 160, .65), rgba(255, 255, 255, .04));
            opacity: .4;
            transition: opacity .3s var(--ease-site);
        }

        .channel_card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 160, .3);
            box-shadow: var(--shadow-card);
        }

        .channel_card:hover::before {
            opacity: 1;
        }

        .channel_icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .06);
            transition: background .25s var(--ease-site), transform .25s var(--ease-site);
        }

        .channel_card:hover .channel_icon {
            background: rgba(0, 229, 160, .1);
            transform: scale(1.04);
        }

        .flow_row {
            position: relative;
            padding: 1.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            display: grid;
            gap: .75rem;
            grid-template-columns: 3.6rem 1fr;
            transition: background .2s var(--ease-site);
        }

        @media (min-width: 768px) {
            .flow_row {
                grid-template-columns: 5rem 1fr;
                align-items: start;
            }
        }

        .flow_num {
            font-size: 1.25rem;
            font-weight: 900;
            font-feature-settings: "tnum";
            color: rgba(0, 229, 160, .55);
            line-height: 1;
        }

        .flow_content {
            min-width: 0;
        }

        .dot_pulse {
            position: relative;
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-primary);
            box-shadow: 0 0 0 0 rgba(0, 229, 160, .4);
            animation: pulseDot 2s infinite;
        }

        @keyframes pulseDot {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, .4);
            }
            70% {
                box-shadow: 0 0 0 9px rgba(0, 229, 160, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 160, 0);
            }
        }

        .faq_item {
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .faq_item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.25rem;
            cursor: pointer;
            color: #f8fafc;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 1.4rem .15rem;
            transition: color .2s var(--ease-site);
            list-style: none;
        }

        .faq_item summary::-webkit-details-marker {
            display: none;
        }

        .faq_item summary::after {
            content: "+";
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 1.2rem;
            font-weight: 400;
            transition: transform .25s var(--ease-site), color .25s var(--ease-site), border-color .25s var(--ease-site);
        }

        .faq_item summary:hover {
            color: var(--c-primary);
        }

        .faq_item[open] summary::after {
            transform: rotate(45deg);
            color: var(--c-primary);
            border-color: rgba(0, 229, 160, .4);
        }

        .faq_answer {
            color: var(--c-muted);
            line-height: 1.85;
            padding: 0 .4rem 1.75rem;
            max-width: 54rem;
        }

        .gradient_cta {
            position: relative;
            overflow: hidden;
            border-radius: 32px;
            background: radial-gradient(circle at 12% 0%, rgba(0, 229, 160, .13), transparent 38%), radial-gradient(circle at 88% 120%, rgba(61, 126, 255, .12), transparent 44%), linear-gradient(135deg, #0A1D16 0%, #072317 45%, #0B1524 100%);
            border: 1px solid rgba(0, 229, 160, .2);
            box-shadow: 0 30px 90px rgba(0, 0, 0, .4);
        }

        .gradient_cta::after {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image: linear-gradient(115deg, rgba(255, 255, 255, .035) 0%, transparent 18%, rgba(255, 255, 255, .015) 40%, transparent 70%);
            background-size: 180% 180%;
        }

        .subscribe_input {
            width: 100%;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 16px;
            padding: .95rem 1rem 1rem;
            color: #fff;
            outline: none;
            transition: border-color .25s var(--ease-site), box-shadow .25s var(--ease-site), background .25s var(--ease-site);
        }

        .subscribe_input::placeholder {
            color: #64748b;
        }

        .subscribe_input:focus {
            border-color: rgba(0, 229, 160, .55);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, .09);
            background: rgba(255, 255, 255, .08);
        }

        .footer_site {
            background: #04070D;
            border-top: 1px solid rgba(0, 229, 160, .14);
            padding-top: 4.25rem;
            padding-bottom: 2.25rem;
        }

        .footer_hd {
            color: #f1f5f9;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: .06em;
            margin-bottom: 1rem;
        }

        .footer_link {
            display: inline-block;
            color: #64748b;
            font-size: 14px;
            padding: .28rem 0;
            transition: color .2s var(--ease-site), transform .2s var(--ease-site);
        }

        .footer_link:hover {
            color: var(--c-primary);
            transform: translateX(3px);
        }

        .social_icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .1);
            color: #64748b;
            transition: color .2s var(--ease-site), border-color .2s var(--ease-site), transform .2s var(--ease-site);
        }

        .social_icon:hover {
            color: var(--c-primary);
            border-color: rgba(0, 229, 160, .45);
            transform: translateY(-2px);
        }

        @media (max-width: 1023px) {
            .nav_desktop_wrap {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .brand_logo {
                font-size: 1.1rem;
            }

            .btn_primary,
            .btn_ghost {
                padding: .85rem 1.2rem;
                font-size: 14px;
            }

            .section_label {
                font-size: .72rem;
            }
        }