/* roulang page: index */
:root {
            --color-bg: #091410;
            --color-surface: #0C1F14;
            --color-card: #11241B;
            --color-card-hover: #153024;
            --color-float: #0F241A;
            --color-primary: #A3E635;
            --color-primary-hover: #C0F76A;
            --color-accent: #FB6B4B;
            --color-text: #F4F7F0;
            --color-text-secondary: #B7C4B0;
            --color-text-muted: #7F8F7E;
            --color-border: rgba(163, 230, 53, 0.20);
            --color-border-hover: rgba(163, 230, 53, 0.45);
            --color-border-accent: rgba(251, 107, 75, 0.45);
            --radius-nav: 16px;
            --radius-card: 20px;
            --radius-small: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(163, 230, 53, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
            --font-mono: "DIN Alternate", "Barlow Condensed", "Roboto Mono", "SF Mono", monospace;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        #site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
            transition: top 0.35s ease;
        }

        @media (max-width: 767px) {
            #site-header {
                top: 8px;
                padding: 0 12px;
            }
        }

        #site-header .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            pointer-events: auto;
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            gap: 16px;
            transition: all 0.35s ease;
        }

        #site-header.scrolled .nav-inner {
            border-color: rgba(163, 230, 53, 0.30);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }

        #site-header.scrolled {
            top: 8px;
        }

        .brand-logo {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--color-text);
            background-color: rgba(163, 230, 53, 0.10);
        }

        .nav-menu a.active {
            color: var(--color-primary);
            background-color: rgba(163, 230, 53, 0.08);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #0C1F14;
            font-size: 13px;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(163, 230, 53, 0.3);
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #0C1F14;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(163, 230, 53, 0.35);
        }

        .nav-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(163, 230, 53, 0.25);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 20px;
            flex-shrink: 0;
            transition: all 0.25s ease;
        }

        .nav-toggle:hover {
            background: rgba(163, 230, 53, 0.15);
            border-color: var(--color-border-hover);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 80px;
            left: 24px;
            right: 24px;
            z-index: 999;
            background: rgba(12, 31, 20, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            padding: 12px;
            flex-direction: column;
            gap: 4px;
            pointer-events: auto;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 10px;
            transition: all 0.25s ease;
            border-bottom: 1px solid rgba(163, 230, 53, 0.06);
        }

        .mobile-nav-panel a:last-child {
            border-bottom: none;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.08);
        }

        @media (max-width: 999px) {
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
        }

        @media (min-width: 1000px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }

        @media (max-width: 767px) {
            #site-header .nav-inner {
                height: 56px;
                padding: 0 14px;
                border-radius: 14px;
            }
            #site-header {
                top: 8px;
                padding: 0 12px;
            }
            .brand-logo {
                font-size: 16px;
            }
            .mobile-nav-panel {
                top: 72px;
                left: 12px;
                right: 12px;
                border-radius: 14px;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 72px;
            background: linear-gradient(180deg, #0C1F14 0%, #091410 55%, #091410 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/8c75c2f0a0cb1272.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 31, 20, 0.55) 0%, rgba(9, 20, 16, 0.75) 50%, #091410 100%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 48px;
            align-items: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid rgba(163, 230, 53, 0.2);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-tag .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(163, 230, 53, 0);
            }
        }

        .hero h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--color-text);
        }

        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }

        .hero-sub {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            padding: 14px 26px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #0C1F14;
            box-shadow: 0 4px 16px rgba(163, 230, 53, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #0C1F14;
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(163, 230, 53, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(163, 230, 53, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

        .btn-secondary:hover {
            background: rgba(163, 230, 53, 0.10);
            color: var(--color-primary);
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(163, 230, 53, 0.15);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .hero-trust-item .icon {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }

        .hero-live-card {
            background: rgba(12, 31, 20, 0.75);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .hero-live-card .card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .hero-live-card .card-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-live-card .card-title .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 1.5s infinite;
        }

        .hero-live-card .refresh-label {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .live-score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(163, 230, 53, 0.08);
        }

        .live-score-row:last-child {
            border-bottom: none;
        }

        .live-score-row .match-info {
            flex: 1;
        }

        .live-score-row .match-name {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 4px;
        }

        .live-score-row .score {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 1px;
        }

        .live-score-row .status {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            white-space: nowrap;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .status-live {
            background: rgba(251, 107, 75, 0.15);
            color: var(--color-accent);
            border: 1px solid rgba(251, 107, 75, 0.3);
        }

        .status-finished {
            background: rgba(127, 143, 126, 0.15);
            color: var(--color-text-muted);
            border: 1px solid rgba(127, 143, 126, 0.3);
        }

        .status-upcoming {
            background: rgba(163, 230, 53, 0.12);
            color: var(--color-primary);
            border: 1px solid rgba(163, 230, 53, 0.25);
        }

        @media (max-width: 1023px) {
            .hero {
                min-height: 620px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-live-card {
                max-width: 520px;
            }
            .hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 767px) {
            .hero {
                min-height: 560px;
                padding-top: 100px;
                padding-bottom: 48px;
            }
            .hero h1 {
                font-size: 24px;
                letter-spacing: -0.3px;
            }
            .hero-sub {
                font-size: 14px;
                line-height: 1.7;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn {
                font-size: 13px;
                padding: 12px 20px;
            }
            .hero-trust {
                gap: 14px;
            }
            .hero-live-card {
                padding: 16px;
                border-radius: 14px;
            }
            .live-score-row .score {
                font-size: 16px;
            }
        }

        /* ========== SECTION BASE ========== */
        section {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 3px;
            height: 16px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.3px;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 32px;
        }

        @media (max-width: 767px) {
            section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 20px;
            }
            .section-desc {
                font-size: 14px;
                line-height: 1.7;
            }
        }

        /* ========== LIVE SCORE STRIP ========== */
        .score-strip-section {
            padding-top: 0;
            padding-bottom: 48px;
            background: var(--color-bg);
        }

        .score-strip {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            padding: 8px 4px 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(163, 230, 53, 0.3) transparent;
        }

        .score-strip::-webkit-scrollbar {
            height: 4px;
        }

        .score-strip::-webkit-scrollbar-track {
            background: transparent;
        }

        .score-strip::-webkit-scrollbar-thumb {
            background: rgba(163, 230, 53, 0.3);
            border-radius: 4px;
        }

        .score-strip-item {
            flex: 0 0 auto;
            min-width: 200px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all 0.3s ease;
        }

        .score-strip-item:hover {
            border-color: var(--color-border-hover);
            background: var(--color-card-hover);
            transform: translateY(-2px);
        }

        .score-strip-item .match-label {
            font-size: 12px;
            color: var(--color-text-muted);
            min-width: 0;
        }

        .score-strip-item .match-label .team {
            display: block;
            font-size: 13px;
            color: var(--color-text);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100px;
        }

        .score-strip-item .strip-score {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .score-strip-item .strip-status {
            font-size: 10px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 10px;
            flex-shrink: 0;
        }

        /* ========== FEATURE CARDS ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
        }

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

        .feature-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

        .feature-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .feature-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-card {
                padding: 18px 16px;
                border-radius: 14px;
            }
        }

        /* ========== DATA TOOLS ========== */
        .data-tools-section {
            background: var(--color-surface);
        }

        .data-tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .data-tool-card {
            background: rgba(17, 36, 27, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 20px 18px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all 0.3s ease;
        }

        .data-tool-card:hover {
            border-color: var(--color-border-hover);
            background: rgba(21, 48, 36, 0.8);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .data-tool-card .tool-num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            min-width: 36px;
            line-height: 1;
        }

        .data-tool-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .data-tool-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 1023px) {
            .data-tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .data-tools-grid {
                grid-template-columns: 1fr;
            }
            .data-tool-card {
                padding: 16px 14px;
                border-radius: 10px;
            }
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            transition: all 0.35s ease;
            border-top: 3px solid transparent;
            box-shadow: var(--shadow-card);
        }

        .scenario-card:hover {
            border-top-color: var(--color-primary);
            border-color: var(--color-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .scenario-card .scenario-phase {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        @media (max-width: 1023px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scenario-card {
                padding: 20px 16px;
                border-radius: 14px;
            }
        }

        /* ========== SCREENSHOT / DEMO ========== */
        .demo-section {
            background: var(--color-surface);
        }

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

        .demo-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .demo-text p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .demo-text ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .demo-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .demo-text ul li::before {
            content: '▸';
            color: var(--color-primary);
            flex-shrink: 0;
            font-weight: 700;
        }

        .demo-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .demo-visual img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/10;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .demo-visual:hover img {
            transform: scale(1.03);
        }

        .demo-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(9, 20, 16, 0.1) 0%, rgba(9, 20, 16, 0.7) 100%);
        }

        .demo-visual .visual-label {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            font-size: 12px;
            color: var(--color-text);
            background: rgba(12, 31, 20, 0.75);
            padding: 8px 12px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
        }

        @media (max-width: 1023px) {
            .demo-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            .demo-text h3 {
                font-size: 18px;
            }
            .demo-visual {
                border-radius: 14px;
            }
        }

        /* ========== SUCCESS CASES ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }

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

        .case-card .case-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(251, 107, 75, 0.1);
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .case-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .case-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .case-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .case-card {
                padding: 18px 16px;
                border-radius: 14px;
            }
        }

        /* ========== PRICING ========== */
        .pricing-section {
            background: var(--color-surface);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .price-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }

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

        .price-card.featured {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 1px rgba(163, 230, 53, 0.2), var(--shadow-card);
        }

        .price-card.featured .price-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            font-size: 11px;
            font-weight: 700;
            color: #0C1F14;
            background: var(--color-primary);
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }

        .price-card .plan-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .price-card .plan-desc {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }

        .price-card .price-amount {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .price-card .price-note {
            font-size: 11px;
            color: var(--color-text-muted);
            margin-bottom: 18px;
        }

        .price-card ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 20px;
            flex: 1;
        }

        .price-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .price-card ul li::before {
            content: '✓';
            color: var(--color-primary);
            flex-shrink: 0;
            font-weight: 700;
        }

        @media (max-width: 1023px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
        }

        @media (max-width: 767px) {
            .price-card {
                padding: 22px 18px;
                border-radius: 14px;
            }
        }

        /* ========== REVIEW WALL ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .review-item {
            background: rgba(12, 31, 20, 0.6);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 16px 14px;
            transition: all 0.3s ease;
        }

        .review-item:hover {
            border-color: var(--color-border-hover);
            background: rgba(21, 48, 36, 0.7);
        }

        .review-item .review-text {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .review-item .review-author {
            font-size: 11px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        @media (max-width: 1023px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== USER PRAISE ========== */
        .praise-section {
            background: var(--color-surface);
        }

        .praise-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
        }

        .praise-item {
            background: rgba(17, 36, 27, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 20px 22px;
            border-left: 3px solid var(--color-primary);
            transition: all 0.3s ease;
        }

        .praise-item:hover {
            border-color: var(--color-border-hover);
            border-left-color: var(--color-primary);
            background: rgba(21, 48, 36, 0.8);
            transform: translateX(4px);
        }

        .praise-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 8px;
        }

        .praise-item .praise-source {
            font-size: 11px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        @media (max-width: 767px) {
            .praise-item {
                padding: 16px 14px;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-section {
            background: var(--color-bg);
            padding: 60px 0;
        }

        .brand-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            max-width: 900px;
            margin: 0 auto;
        }

        .brand-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 18px;
            letter-spacing: -0.3px;
        }

        .brand-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .brand-card p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 767px) {
            .brand-card {
                padding: 24px 18px;
                border-radius: 14px;
            }
            .brand-card h2 {
                font-size: 18px;
            }
            .brand-card p {
                font-size: 13px;
                line-height: 1.75;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-section {
            background: var(--color-bg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 16px 18px;
            transition: all 0.3s ease;
        }

        .news-item:hover {
            border-color: var(--color-border-hover);
            background: var(--color-card-hover);
            transform: translateX(4px);
        }

        .news-item .news-img {
            width: 72px;
            height: 56px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            border: 1px solid var(--color-border);
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item .news-summary {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        @media (max-width: 767px) {
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px;
            }
            .news-item .news-img {
                width: 100%;
                height: 120px;
                border-radius: 6px;
            }
            .news-item .news-date {
                align-self: flex-end;
            }
        }

        /* ========== MILESTONE ========== */
        .milestone-section {
            background: var(--color-surface);
        }

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

        .milestone-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(17, 36, 27, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            transition: all 0.3s ease;
        }

        .milestone-item:hover {
            border-color: var(--color-border-hover);
            transform: translateY(-3px);
        }

        .milestone-item .milestone-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .milestone-item .milestone-label {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        @media (max-width: 1023px) {
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 767px) {
            .milestone-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .milestone-item .milestone-num {
                font-size: 24px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 18px 20px;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--color-border-hover);
        }

        .faq-item summary {
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

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

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-primary);
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item[open] {
            border-left: 3px solid var(--color-primary);
        }

        .faq-item .faq-answer {
            padding-top: 12px;
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            border-top: 1px solid rgba(163, 230, 53, 0.08);
            margin-top: 12px;
        }

        @media (max-width: 767px) {
            .faq-item {
                padding: 14px 16px;
                border-radius: 10px;
            }
            .faq-item summary {
                font-size: 14px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-surface);
            padding: 60px 0;
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(12, 31, 20, 0.9) 0%, rgba(21, 48, 36, 0.8) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 44px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(163, 230, 53, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 520px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 767px) {
            .cta-banner {
                padding: 32px 20px;
                border-radius: 14px;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .cta-actions {
                gap: 10px;
            }
        }

        /* ========== FOOTER ========== */
        footer {
            background: #0C1F14;
            border-top: 1px solid rgba(163, 230, 53, 0.25);
            padding: 40px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-size: 17px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .logo-mark {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(163, 230, 53, 0.12);
            padding-top: 20px;
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
            line-height: 1.7;
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            footer {
                padding: 28px 0 16px;
                margin-bottom: 60px;
            }
            .footer-bottom {
                text-align: center;
                font-size: 11px;
            }
        }

        @media (min-width: 768px) {
            footer {
                margin-bottom: 0;
            }
        }

        /* ========== MOBILE BOTTOM NAV ========== */
        .mobile-bottom-nav {
            display: none;
        }

        @media (max-width: 767px) {
            .mobile-bottom-nav {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 998;
                background: rgba(12, 31, 20, 0.96);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-top: 1px solid rgba(163, 230, 53, 0.2);
                padding: 6px 4px env(safe-area-inset-bottom, 6px);
                justify-content: space-around;
                align-items: center;
            }
            .mobile-bottom-nav a {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 2px;
                font-size: 10px;
                color: var(--color-text-muted);
                padding: 4px 10px;
                border-radius: 8px;
                transition: all 0.25s ease;
            }
            .mobile-bottom-nav a .mnav-icon {
                font-size: 18px;
                line-height: 1;
            }
            .mobile-bottom-nav a.active {
                color: var(--color-primary);
                background: rgba(163, 230, 53, 0.06);
            }
            .mobile-bottom-nav a:hover {
                color: var(--color-primary);
            }
        }

        /* ========== FOCUS ACCESSIBILITY ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== UTILITY ========== */
        .text-primary {
            color: var(--color-primary);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-muted {
            color: var(--color-text-muted);
        }
        .text-secondary {
            color: var(--color-text-secondary);
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .font-mono {
            font-family: var(--font-mono);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category2 */
:root {
            --color-bg: #091410;
            --color-surface: #0C1F14;
            --color-card: #11241B;
            --color-card-hover: #153024;
            --color-float: #0F241A;
            --color-primary: #A3E635;
            --color-primary-hover: #C0F76A;
            --color-accent: #FB6B4B;
            --color-text: #F4F7F0;
            --color-text-secondary: #B7C4B0;
            --color-text-muted: #7F8F7E;
            --color-border: rgba(163, 230, 53, 0.20);
            --color-border-hover: rgba(163, 230, 53, 0.45);
            --color-border-accent: rgba(251, 107, 75, 0.45);
            --radius-nav: 16px;
            --radius-card: 20px;
            --radius-small: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(163, 230, 53, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
            --font-mono: "DIN Alternate", "Barlow Condensed", "Roboto Mono", "SF Mono", monospace;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAVIGATION ========== */
        #site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
            transition: top 0.35s ease;
        }

        #site-header.scrolled {
            top: 8px;
        }

        #site-header .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            pointer-events: auto;
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            gap: 16px;
            transition: all 0.35s ease;
        }

        #site-header.scrolled .nav-inner {
            border-color: rgba(163, 230, 53, 0.30);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }

        .brand-logo {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--color-text);
            background-color: rgba(163, 230, 53, 0.10);
        }

        .nav-menu a.active {
            color: var(--color-primary);
            background-color: rgba(163, 230, 53, 0.08);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-surface);
            background-color: var(--color-primary);
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--color-primary-hover);
            color: var(--color-surface);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.25);
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            line-height: 1;
            padding: 8px;
            color: var(--color-text);
            border-radius: 8px;
            pointer-events: auto;
            cursor: pointer;
            transition: background-color 0.25s ease;
        }

        .nav-toggle:hover {
            background-color: rgba(163, 230, 53, 0.10);
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            z-index: 999;
            background: #0C1F14;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
            padding: 16px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-small);
            border-bottom: 1px solid rgba(163, 230, 53, 0.08);
            transition: all 0.25s ease;
        }

        .mobile-nav-panel a:last-child {
            border-bottom: none;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--color-primary);
            background-color: rgba(163, 230, 53, 0.08);
        }

        /* ========== PAGE HEADER (分类页H1区) ========== */
        .page-header {
            padding: 160px 0 56px;
            background: linear-gradient(180deg, #0C1F14 0%, #091410 100%);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(163, 230, 53, 0.15);
        }

        .page-header::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        .page-header-content {
            max-width: 800px;
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 18px;
            color: var(--color-text);
        }

        .page-header h1 .highlight {
            color: var(--color-primary);
        }

        .page-header .intro-text {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            max-width: 700px;
        }

        .page-header .header-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.10);
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .header-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.3px;
            line-height: 1.35;
            color: var(--color-text);
            position: relative;
            padding-left: 16px;
        }

        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .section-header p {
            margin-top: 10px;
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 18px 0;
            margin-bottom: 32px;
            border-bottom: 1px solid rgba(163, 230, 53, 0.12);
        }

        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .filter-chip:hover {
            color: var(--color-text);
            border-color: var(--color-border-hover);
            background: var(--color-card-hover);
        }

        .filter-chip.active {
            color: var(--color-surface);
            background: var(--color-primary);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== DATA CARD LIST ========== */
        .data-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .data-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .data-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        .data-card:hover::before {
            opacity: 1;
        }

        .data-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .data-card .card-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            white-space: nowrap;
        }

        .card-tag.tag-updating {
            color: var(--color-accent);
            background: rgba(251, 107, 75, 0.12);
            border: 1px solid rgba(251, 107, 75, 0.30);
        }

        .card-tag.tag-finished {
            color: var(--color-text-muted);
            background: rgba(127, 143, 126, 0.12);
            border: 1px solid rgba(127, 143, 126, 0.25);
        }

        .card-tag.tag-upcoming {
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.10);
            border: 1px solid rgba(163, 230, 53, 0.25);
        }

        .data-card .card-date {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }

        .data-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .data-card .card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .data-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .data-card .card-meta .value {
            font-family: var(--font-mono);
            color: var(--color-primary);
            font-weight: 600;
        }

        .data-card .card-img {
            width: 100%;
            height: 140px;
            border-radius: var(--radius-small);
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--color-float);
            border: 1px solid rgba(163, 230, 53, 0.10);
        }

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

        .data-card:hover .card-img img {
            transform: scale(1.03);
        }

        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            border-bottom: 1px solid rgba(163, 230, 53, 0.35);
            transition: all 0.25s ease;
            padding-bottom: 2px;
        }

        .view-more-link:hover {
            color: var(--color-primary-hover);
            border-bottom-color: var(--color-primary-hover);
            gap: 10px;
        }

        .list-footer {
            margin-top: 28px;
            text-align: center;
        }

        /* ========== DATA SUMMARY ========== */
        .data-summary-strip {
            background: linear-gradient(135deg, #0C1F14 0%, #11241B 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
        }

        .data-summary-strip::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .summary-item {
            text-align: center;
            padding: 16px 12px;
            background: rgba(9, 20, 16, 0.6);
            border-radius: var(--radius-small);
            border: 1px solid rgba(163, 230, 53, 0.10);
            transition: all 0.3s ease;
        }

        .summary-item:hover {
            border-color: var(--color-border-hover);
            background: rgba(9, 20, 16, 0.85);
        }

        .summary-item .num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }

        .summary-item .label {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== TOOLS SECTION ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 24px 20px;
            transition: all 0.3s ease;
            text-align: left;
        }

        .tool-card:hover {
            border-color: var(--color-border-hover);
            background: var(--color-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .tool-card .tool-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(163, 230, 53, 0.10);
            border: 1px solid rgba(163, 230, 53, 0.20);
            margin-bottom: 14px;
            font-size: 18px;
            color: var(--color-primary);
        }

        .tool-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .tool-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--color-border-hover);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            list-style: none;
            transition: all 0.25s ease;
            position: relative;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--color-primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item summary:hover {
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.04);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-left: 2px solid var(--color-primary);
            margin-left: 20px;
            padding-left: 16px;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(163, 230, 53, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-cta h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            background: #0C1F14;
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: var(--radius-input);
            color: var(--color-text);
            font-size: 14px;
            outline: none;
            transition: all 0.3s ease;
        }

        .subscribe-form input::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-surface);
            background: var(--color-primary);
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(163, 230, 53, 0.10);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        footer {
            background: var(--color-surface);
            border-top: 1px solid rgba(163, 230, 53, 0.25);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-top: 10px;
            max-width: 300px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 800;
            color: var(--color-text);
        }

        .footer-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(163, 230, 53, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .summary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-card-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            #site-header {
                top: 8px;
                padding: 0 12px;
            }
            #site-header .nav-inner {
                padding: 0 14px;
                height: 56px;
            }
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .brand-logo {
                font-size: 16px;
            }
            .page-header {
                padding: 120px 0 40px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .page-header .intro-text {
                font-size: 14px;
            }
            section {
                padding: var(--section-gap-mobile) 0;
            }
            .data-card-grid {
                grid-template-columns: 1fr;
            }
            .summary-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-cta {
                padding: 28px 20px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .summary-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .summary-item .num {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 21px;
            }
            .data-card {
                padding: 18px 16px;
            }
            .data-card h3 {
                font-size: 15px;
            }
            .data-card .card-desc {
                font-size: 13px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 5px 10px;
                font-size: 11px;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #091410;
            --color-surface: #0C1F14;
            --color-card: #11241B;
            --color-card-hover: #153024;
            --color-float: #0F241A;
            --color-primary: #A3E635;
            --color-primary-hover: #C0F76A;
            --color-accent: #FB6B4B;
            --color-text: #F4F7F0;
            --color-text-secondary: #B7C4B0;
            --color-text-muted: #7F8F7E;
            --color-border: rgba(163, 230, 53, 0.20);
            --color-border-hover: rgba(163, 230, 53, 0.45);
            --color-border-accent: rgba(251, 107, 75, 0.45);
            --radius-nav: 16px;
            --radius-card: 20px;
            --radius-small: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(163, 230, 53, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
            --font-mono: "DIN Alternate", "Barlow Condensed", "Roboto Mono", "SF Mono", monospace;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAVIGATION ========== */
        #site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
            transition: top 0.35s ease;
        }

        #site-header .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            pointer-events: auto;
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            gap: 16px;
            transition: all 0.35s ease;
        }

        #site-header.scrolled {
            top: 8px;
            padding: 0 12px;
        }

        #site-header.scrolled .nav-inner {
            border-color: rgba(163, 230, 53, 0.30);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }

        .brand-logo {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--color-text);
            background-color: rgba(163, 230, 53, 0.10);
        }

        .nav-menu a.active {
            color: var(--color-primary);
            background-color: rgba(163, 230, 53, 0.08);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-block;
            background: var(--color-primary);
            color: #0C1F14;
            font-size: 13px;
            font-weight: 700;
            padding: 9px 18px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #0C1F14;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(163, 230, 53, 0.25);
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            pointer-events: auto;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background-color 0.25s ease;
        }

        .nav-toggle:hover {
            background-color: rgba(163, 230, 53, 0.10);
        }

        /* ========== MOBILE NAV DRAWER ========== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }

        /* ========== PAGE HERO / BREADCRUMB ========== */
        .page-hero {
            padding-top: calc(var(--nav-height) + 72px);
            padding-bottom: 48px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.06) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .sep {
            color: var(--color-text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .page-hero-content h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .page-hero-content .hero-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: 16px;
        }

        .page-hero-content .hero-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 540px;
        }

        .page-hero-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: box-shadow 0.4s ease, border-color 0.4s ease;
        }

        .page-hero-image:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }

        .page-hero-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
            position: relative;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--color-text);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-head h2::before {
            content: '';
            width: 3px;
            height: 22px;
            background: var(--color-primary);
            border-radius: 3px;
            flex-shrink: 0;
        }

        .section-head p {
            font-size: 14px;
            color: var(--color-text-muted);
            max-width: 600px;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .filter-bar .filter-btn {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 16px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .filter-bar .filter-btn:hover {
            color: var(--color-text);
            border-color: var(--color-border-hover);
            background: rgba(163, 230, 53, 0.05);
        }

        .filter-bar .filter-btn.active {
            color: #0C1F14;
            background: var(--color-primary);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== SCORE CARDS LIST ========== */
        .score-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .score-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .score-card:hover {
            background: var(--color-card-hover);
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .score-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }

        .score-card .league-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            letter-spacing: 0.3px;
        }

        .score-card .status-tag {
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            padding: 3px 10px;
            white-space: nowrap;
        }

        .status-tag.live {
            background: rgba(251, 107, 75, 0.15);
            color: var(--color-accent);
            border: 1px solid var(--color-border-accent);
        }

        .status-tag.ended {
            background: rgba(127, 143, 126, 0.15);
            color: var(--color-text-muted);
            border: 1px solid rgba(127, 143, 126, 0.3);
        }

        .status-tag.upcoming {
            background: rgba(163, 230, 53, 0.12);
            color: var(--color-primary);
            border: 1px solid var(--color-border);
        }

        .score-card .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .score-card .team {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            flex: 1;
            min-width: 0;
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
        }

        .score-card .team.right {
            text-align: right;
        }

        .score-card .score {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .score-card .score.pending {
            color: var(--color-text-muted);
        }

        .score-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid rgba(163, 230, 53, 0.08);
            padding-top: 10px;
        }

        .score-card .card-meta .half-score {
            font-family: var(--font-mono);
            color: var(--color-text-secondary);
        }

        .score-card .card-meta .live-minute {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== DATA SUMMARY BAR ========== */
        .data-summary-bar {
            background: var(--color-float);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
        }

        .data-summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-summary-item {
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-small);
            background: rgba(12, 31, 20, 0.5);
            border: 1px solid rgba(163, 230, 53, 0.08);
            transition: all 0.3s ease;
        }

        .data-summary-item:hover {
            border-color: var(--color-border);
            background: rgba(12, 31, 20, 0.8);
        }

        .data-summary-item .num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .data-summary-item .label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== TOOLS SECTION ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 24px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tool-card:hover {
            background: var(--color-card-hover);
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .tool-card .tool-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .tool-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
        }

        .tool-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .tool-card .tool-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tool-card .tool-link:hover {
            color: var(--color-primary-hover);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--color-border-hover);
        }

        .faq-item summary {
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all 0.3s ease;
            position: relative;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-item summary:hover {
            background: rgba(163, 230, 53, 0.05);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--color-primary);
            margin-left: 20px;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-section {
            padding-bottom: var(--section-gap);
        }

        .subscribe-box {
            background: linear-gradient(135deg, rgba(12, 31, 20, 0.95) 0%, rgba(15, 36, 26, 0.9) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .subscribe-box::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(163, 230, 53, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-box h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .subscribe-box .sub-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            background: #0C1F14;
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--color-text);
            outline: none;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .subscribe-form input::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.12);
        }

        .subscribe-form button {
            background: var(--color-primary);
            color: #0C1F14;
            font-size: 14px;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(163, 230, 53, 0.25);
        }

        /* ========== FOOTER ========== */
        footer {
            background: var(--color-surface);
            border-top: 1px solid rgba(163, 230, 53, 0.25);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(163, 230, 53, 0.1);
            padding-top: 20px;
            font-size: 13px;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .page-hero-image img {
                height: 220px;
            }

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

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

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

        @media (max-width: 767px) {
            #site-header {
                top: 8px;
                padding: 0 12px;
            }

            #site-header .nav-inner {
                padding: 0 14px;
                height: 56px;
                gap: 10px;
            }

            .nav-menu {
                display: none;
                position: fixed;
                top: 72px;
                left: 12px;
                right: 12px;
                background: rgba(12, 31, 20, 0.97);
                border: 1px solid var(--color-border);
                border-radius: var(--radius-nav);
                box-shadow: var(--shadow-card);
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                gap: 4px;
                z-index: 1001;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 8px;
            }

            .nav-menu a.active::after {
                display: none;
            }

            .nav-cta {
                font-size: 12px;
                padding: 8px 14px;
            }

            .nav-toggle {
                display: block;
                font-size: 20px;
            }

            .mobile-nav-overlay.open {
                display: block;
                opacity: 1;
            }

            .page-hero {
                padding-top: calc(56px + 48px);
                padding-bottom: 32px;
            }

            .page-hero-content h1 {
                font-size: 26px;
            }

            .page-hero-content .hero-desc {
                font-size: 14px;
            }

            .page-hero-image img {
                height: 180px;
            }

            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }

            .section-head h2 {
                font-size: 20px;
            }

            .score-list-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .score-card {
                padding: 16px;
            }

            .score-card .score {
                font-size: 20px;
            }

            .score-card .team {
                font-size: 14px;
            }

            .data-summary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .data-summary-item .num {
                font-size: 24px;
            }

            .tools-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .subscribe-box {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 20px;
            }

            .subscribe-box h2 {
                font-size: 20px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input {
                min-width: 100%;
            }

            .subscribe-form button {
                width: 100%;
            }

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

            .footer-brand p {
                max-width: 100%;
            }

            .filter-bar {
                padding: 12px 14px;
                gap: 8px;
            }

            .filter-bar .filter-btn {
                font-size: 12px;
                padding: 5px 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .page-hero-content h1 {
                font-size: 22px;
            }

            .page-hero-content .hero-desc {
                font-size: 13px;
                line-height: 1.7;
            }

            .page-hero-image img {
                height: 160px;
            }

            .score-card {
                padding: 14px;
                gap: 10px;
            }

            .score-card .match-row {
                gap: 8px;
            }

            .score-card .score {
                font-size: 18px;
            }

            .score-card .team {
                font-size: 13px;
            }

            .data-summary-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .data-summary-item .num {
                font-size: 22px;
            }

            .data-summary-item .label {
                font-size: 12px;
            }

            .subscribe-box h2 {
                font-size: 18px;
            }

            .subscribe-box .sub-desc {
                font-size: 13px;
            }

            .subscribe-form input {
                font-size: 13px;
                padding: 10px 14px;
            }

            .subscribe-form button {
                font-size: 13px;
                padding: 10px 18px;
            }
        }

/* roulang page: category4 */
:root {
            --color-bg: #091410;
            --color-surface: #0C1F14;
            --color-card: #11241B;
            --color-card-hover: #153024;
            --color-float: #0F241A;
            --color-primary: #A3E635;
            --color-primary-hover: #C0F76A;
            --color-accent: #FB6B4B;
            --color-text: #F4F7F0;
            --color-text-secondary: #B7C4B0;
            --color-text-muted: #7F8F7E;
            --color-border: rgba(163, 230, 53, 0.20);
            --color-border-hover: rgba(163, 230, 53, 0.45);
            --color-border-accent: rgba(251, 107, 75, 0.45);
            --radius-nav: 16px;
            --radius-card: 20px;
            --radius-small: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(163, 230, 53, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
            --font-mono: "DIN Alternate", "Barlow Condensed", "Roboto Mono", "SF Mono", monospace;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        a:hover {
            color: var(--color-primary);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER / NAVIGATION ========== */
        #site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
            transition: top 0.35s ease;
        }
        #site-header .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            pointer-events: auto;
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            gap: 16px;
            transition: all 0.35s ease;
        }
        #site-header.scrolled .nav-inner {
            border-color: rgba(163, 230, 53, 0.30);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }
        #site-header.scrolled {
            top: 8px;
        }
        .brand-logo {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
            flex-shrink: 0;
        }
        .brand-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }
        .brand-logo:hover {
            color: var(--color-primary);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            flex-wrap: nowrap;
            list-style: none;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.25s ease;
            position: relative;
        }
        .nav-menu a:hover {
            color: var(--color-text);
            background-color: rgba(163, 230, 53, 0.10);
        }
        .nav-menu a.active {
            color: var(--color-primary);
            background-color: rgba(163, 230, 53, 0.08);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 700;
            background: var(--color-primary);
            color: #0C1F14;
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all 0.25s ease;
        }
        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: #0C1F14;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(163, 230, 53, 0.25);
        }
        .nav-toggle {
            display: none;
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(163, 230, 53, 0.08);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            color: var(--color-primary);
            font-size: 22px;
            line-height: 1;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }
        .nav-toggle:hover {
            background: rgba(163, 230, 53, 0.15);
            border-color: var(--color-border-hover);
        }

        /* ========== PAGE HEADER / BREADCRUMB ========== */
        .page-header {
            padding: 148px 0 32px;
            background: linear-gradient(180deg, rgba(163, 230, 53, 0.06) 0%, rgba(9, 20, 16, 0) 100%);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }
        .page-header-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: center;
        }
        .page-header-content h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .page-header-content .lead {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        .page-header-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            background: var(--color-card);
        }
        .page-header-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .page-header-img:hover img {
            transform: scale(1.03);
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            margin: 32px 0 40px;
        }
        .filter-bar-inner {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 12px 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
        }
        .filter-bar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-chip {
            padding: 6px 14px;
            font-size: 13px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-chip:hover {
            color: var(--color-text);
            border-color: var(--color-border-hover);
            background: rgba(163, 230, 53, 0.08);
        }
        .filter-chip.active {
            background: rgba(163, 230, 53, 0.12);
            color: var(--color-primary);
            border-color: var(--color-border-hover);
            font-weight: 500;
        }

        /* ========== SECTION GENERAL ========== */
        .section {
            padding: 36px 0;
        }
        .section-title {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--color-text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--color-primary);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-sub {
            font-size: 14px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        /* ========== RULE CARDS LIST ========== */
        .rules-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .rule-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 20px 22px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .rule-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            background: var(--color-card-hover);
            transform: translateY(-3px);
        }
        .rule-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 10px;
        }
        .rule-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
        }
        .rule-tag {
            flex-shrink: 0;
            padding: 3px 10px;
            font-size: 12px;
            border-radius: 20px;
            font-weight: 500;
            white-space: nowrap;
        }
        .rule-tag.base {
            background: rgba(163, 230, 53, 0.10);
            color: var(--color-primary);
        }
        .rule-tag.advance {
            background: rgba(251, 107, 75, 0.10);
            color: var(--color-accent);
        }
        .rule-tag.common {
            background: rgba(163, 230, 53, 0.06);
            color: var(--color-text-secondary);
        }
        .rule-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        .rule-card-footer {
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid rgba(163, 230, 53, 0.10);
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .rule-card-footer .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }

        /* ========== DATA SUMMARY ========== */
        .data-summary {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin: 8px 0 24px;
        }
        .data-summary-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 18px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .data-summary-item:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card);
        }
        .data-summary-item .num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }
        .data-summary-item .label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== TOOLS / QUICK REF ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 20px;
            transition: all 0.3s ease;
        }
        .tool-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .tool-card .tool-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(163, 230, 53, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .tool-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .tool-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            list-style: none;
            transition: all 0.25s ease;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--color-primary);
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 6px;
            background: rgba(163, 230, 53, 0.08);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform 0.25s ease;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--color-primary);
            margin-left: 20px;
            padding-left: 16px;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: space-between;
            margin: 24px 0 8px;
        }
        .subscribe-cta .cta-text {
            flex: 1;
            min-width: 240px;
        }
        .subscribe-cta h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .subscribe-cta p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            min-width: 280px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
            padding: 10px 14px;
            background: var(--color-bg);
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: var(--radius-input);
            color: var(--color-text);
            font-size: 13px;
            outline: none;
            transition: all 0.25s ease;
        }
        .subscribe-form input::placeholder {
            color: var(--color-text-muted);
        }
        .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.10);
        }
        .subscribe-form button {
            padding: 10px 20px;
            background: var(--color-primary);
            color: #0C1F14;
            font-weight: 700;
            font-size: 13px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(163, 230, 53, 0.25);
        }

        /* ========== FOOTER ========== */
        footer {
            background: var(--color-surface);
            border-top: 1px solid rgba(163, 230, 53, 0.25);
            margin-top: 48px;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo .logo-mark {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(163, 230, 53, 0.15);
            padding-top: 20px;
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .page-header-grid {
                grid-template-columns: 1fr 300px;
                gap: 28px;
            }
            .data-summary {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991px) {
            .nav-menu {
                gap: 2px;
            }
            .nav-menu a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .page-header-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-header-img {
                max-width: 480px;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767px) {
            #site-header {
                padding: 0 12px;
                top: 8px;
            }
            #site-header .nav-inner {
                padding: 0 14px;
                height: 56px;
            }
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 12px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header {
                padding: 120px 0 20px;
            }
            .page-header-content h1 {
                font-size: 26px;
            }
            .page-header-content .lead {
                font-size: 14px;
            }
            .data-summary {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-summary-item .num {
                font-size: 22px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .rule-card {
                padding: 16px 18px;
            }
            .subscribe-cta {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                min-width: 100%;
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: span 2;
            }
            .section-title {
                font-size: 19px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
            .data-summary {
                grid-template-columns: 1fr;
            }
            .nav-cta {
                display: none;
            }
            .page-header-content h1 {
                font-size: 22px;
            }
        }

        /* Mobile nav drawer */
        .nav-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            right: 0;
            background: var(--color-float);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            padding: 12px;
            gap: 4px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
            z-index: 999;
        }
        .nav-menu.open li {
            width: 100%;
        }
        .nav-menu.open a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            border-radius: 10px;
            width: 100%;
        }
        .nav-menu.open a.active::after {
            display: none;
        }

/* roulang page: category3 */
:root {
            --color-bg: #091410;
            --color-surface: #0C1F14;
            --color-card: #11241B;
            --color-card-hover: #153024;
            --color-float: #0F241A;
            --color-primary: #A3E635;
            --color-primary-hover: #C0F76A;
            --color-accent: #FB6B4B;
            --color-text: #F4F7F0;
            --color-text-secondary: #B7C4B0;
            --color-text-muted: #7F8F7E;
            --color-border: rgba(163, 230, 53, 0.20);
            --color-border-hover: rgba(163, 230, 53, 0.45);
            --color-border-accent: rgba(251, 107, 75, 0.45);
            --radius-nav: 16px;
            --radius-card: 20px;
            --radius-small: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(163, 230, 53, 0.12);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
            --font-mono: "DIN Alternate", "Barlow Condensed", "Roboto Mono", "SF Mono", monospace;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 40px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

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

        /* ========== HEADER / NAVIGATION ========== */
        #site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
            transition: top 0.35s ease;
        }

        #site-header .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            pointer-events: auto;
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-nav);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            gap: 16px;
            transition: all 0.35s ease;
        }

        #site-header.scrolled .nav-inner {
            border-color: rgba(163, 230, 53, 0.30);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
        }

        #site-header.scrolled {
            top: 8px;
        }

        .brand-logo {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
            flex-shrink: 0;
        }

        .brand-logo .logo-mark {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--color-text);
            background-color: rgba(163, 230, 53, 0.10);
        }

        .nav-menu a.active {
            color: var(--color-primary);
            background-color: rgba(163, 230, 53, 0.08);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 700;
            background: var(--color-primary);
            color: var(--color-surface);
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-cta:hover {
            background: var(--color-primary-hover);
            color: var(--color-surface);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.25);
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            line-height: 1;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background-color 0.25s ease;
            pointer-events: auto;
        }

        .nav-toggle:hover {
            background: rgba(163, 230, 53, 0.10);
            color: var(--color-primary);
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 80px;
            left: 12px;
            right: 12px;
            z-index: 999;
            background: rgba(12, 31, 20, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 16px;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 10px;
            transition: all 0.25s ease;
            display: block;
        }

        .mobile-nav-panel a:hover {
            color: var(--color-text);
            background: rgba(163, 230, 53, 0.10);
        }

        .mobile-nav-panel a.active {
            color: var(--color-primary);
            background: rgba(163, 230, 53, 0.08);
        }

        .mobile-nav-panel .nav-cta-mobile {
            margin-top: 8px;
            padding: 14px 16px;
            text-align: center;
            background: var(--color-primary);
            color: var(--color-surface);
            font-weight: 700;
            border-radius: var(--radius-btn);
        }

        /* ========== MAIN CONTENT ========== */
        main {
            padding-top: 120px;
            min-height: 60vh;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Section common */
        .section {
            padding: var(--section-gap) 0;
            margin: 0;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--color-text);
            margin: 0 0 8px 0;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0 0 28px 0;
            line-height: 1.7;
            max-width: 720px;
        }

        .section-title-wrapper {
            margin-bottom: 28px;
        }

        .section-title-wrapper .section-title {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title-wrapper .section-title::before {
            content: '';
            display: inline-block;
            width: 3px;
            height: 22px;
            background: var(--color-primary);
            border-radius: 2px;
            flex-shrink: 0;
        }

        /* Page hero section for category */
        .page-hero {
            padding: 24px 0 8px 0;
            margin-bottom: 8px;
        }

        .page-hero h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        .page-hero .hero-desc {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            max-width: 820px;
            margin: 0;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 12px 16px;
            margin-bottom: 32px;
        }

        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            margin-right: 4px;
        }

        .filter-chip {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all 0.25s ease;
            user-select: none;
        }

        .filter-chip:hover {
            border-color: var(--color-border-hover);
            color: var(--color-text);
            background: rgba(163, 230, 53, 0.06);
        }

        .filter-chip.active {
            background: rgba(163, 230, 53, 0.12);
            border-color: var(--color-primary);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Schedule list */
        .schedule-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .schedule-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

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

        .schedule-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            gap: 10px;
            flex-wrap: wrap;
        }

        .schedule-card .match-time {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
        }

        .schedule-card .match-date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-left: 4px;
        }

        .status-tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .status-tag.upcoming {
            background: rgba(163, 230, 53, 0.12);
            color: var(--color-primary);
            border: 1px solid rgba(163, 230, 53, 0.35);
        }

        .status-tag.today {
            background: rgba(251, 107, 75, 0.12);
            color: var(--color-accent);
            border: 1px solid rgba(251, 107, 75, 0.40);
        }

        .status-tag.finished {
            background: rgba(127, 143, 126, 0.15);
            color: var(--color-text-muted);
            border: 1px solid rgba(127, 143, 126, 0.30);
        }

        .schedule-card .matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 14px;
        }

        .schedule-card .team {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            flex: 1;
            line-height: 1.3;
        }

        .schedule-card .vs {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-muted);
            flex-shrink: 0;
            padding: 0 4px;
        }

        .schedule-card .card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid rgba(163, 230, 53, 0.10);
        }

        .schedule-card .venue {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .schedule-card .venue svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: var(--color-text-muted);
            stroke-width: 1.5;
            flex-shrink: 0;
        }

        .schedule-card .card-img {
            width: 100%;
            height: 100px;
            border-radius: var(--radius-small);
            overflow: hidden;
            margin-bottom: 14px;
            border: 1px solid rgba(163, 230, 53, 0.10);
        }

        .schedule-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Data summary */
        .data-summary {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 8px;
        }

        .data-summary-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 18px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .data-summary-item:hover {
            border-color: var(--color-border-hover);
            background: var(--color-card-hover);
        }

        .data-summary-item .data-number {
            font-family: var(--font-mono);
            font-size: 30px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .data-summary-item .data-label {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* Tool cards */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .tool-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 18px;
            transition: all 0.3s ease;
            position: relative;
        }

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

        .tool-card .tool-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .tool-card .tool-desc {
            font-size: 12px;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .tool-card .tool-icon {
            font-size: 20px;
            margin-bottom: 10px;
            display: inline-block;
            color: var(--color-primary);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--color-border-hover);
        }

        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.25s ease;
        }

        .faq-item summary:hover {
            color: var(--color-primary);
        }

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

        .faq-item summary::before {
            content: '+';
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: transform 0.25s ease;
            width: 20px;
            text-align: center;
        }

        .faq-item[open] summary::before {
            content: '−';
            color: var(--color-accent);
        }

        .faq-item .faq-answer {
            padding: 0 20px 16px 50px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            text-align: center;
        }

        .subscribe-cta .cta-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px 0;
        }

        .subscribe-cta .cta-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 20px 0;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            font-size: 14px;
            background: var(--color-bg);
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: var(--radius-input);
            color: var(--color-text);
            outline: none;
            transition: all 0.25s ease;
        }

        .subscribe-form input::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
        }

        .subscribe-form button {
            padding: 12px 22px;
            font-size: 14px;
            font-weight: 700;
            background: var(--color-primary);
            color: var(--color-surface);
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .subscribe-form button:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(163, 230, 53, 0.25);
        }

        /* ========== FOOTER ========== */
        footer {
            background: var(--color-surface);
            border-top: 1px solid rgba(163, 230, 53, 0.25);
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-logo {
            font-size: 17px;
            font-weight: 800;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo .logo-mark {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
            box-shadow: 0 0 6px rgba(163, 230, 53, 0.5);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px 0;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(163, 230, 53, 0.10);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .schedule-list {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .data-summary {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            #site-header {
                top: 8px;
                padding: 0 12px;
            }

            #site-header .nav-inner {
                padding: 0 14px;
                height: 56px;
            }

            .nav-menu {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-block;
            }

            main {
                padding-top: 96px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .section {
                padding: var(--section-gap-mobile) 0;
            }

            .section-title {
                font-size: 21px;
            }

            .schedule-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .schedule-card {
                padding: 16px;
            }

            .schedule-card .team {
                font-size: 14px;
            }

            .schedule-card .match-time {
                font-size: 16px;
            }

            .data-summary {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .data-summary-item {
                padding: 14px 12px;
            }

            .data-summary-item .data-number {
                font-size: 24px;
            }

            .tool-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .tool-card {
                padding: 14px;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-item .faq-answer {
                padding: 0 16px 14px 40px;
                font-size: 13px;
            }

            .subscribe-cta {
                padding: 24px 18px;
            }

            .subscribe-cta .cta-title {
                font-size: 17px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 8px;
            }

            .subscribe-form input {
                min-width: auto;
                width: 100%;
                box-sizing: border-box;
            }

            .subscribe-form button {
                width: 100%;
            }

            footer {
                padding: 36px 0 20px;
                margin-top: var(--section-gap-mobile);
            }

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

            .filter-bar {
                padding: 10px 12px;
                gap: 8px;
            }

            .filter-chip {
                padding: 5px 10px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 22px;
                letter-spacing: -0.3px;
            }

            .page-hero .hero-desc {
                font-size: 13px;
            }

            .section-title {
                font-size: 18px;
            }

            .tool-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .data-summary {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .data-summary-item .data-number {
                font-size: 21px;
            }

            .schedule-card .matchup {
                flex-wrap: wrap;
            }

            .schedule-card .vs {
                font-size: 11px;
            }

            .mobile-nav-panel {
                top: 72px;
                left: 8px;
                right: 8px;
                padding: 12px;
            }

            .mobile-nav-panel a {
                padding: 10px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
  --color-bg: #091410;
  --color-surface: #0C1F14;
  --color-card: #11241B;
  --color-card-hover: #153024;
  --color-float: #0F241A;
  --color-primary: #A3E635;
  --color-primary-hover: #C0F76A;
  --color-accent: #FB6B4B;
  --color-text: #F4F7F0;
  --color-text-secondary: #B7C4B0;
  --color-text-muted: #7F8F7E;
  --color-border: rgba(163, 230, 53, 0.20);
  --color-border-hover: rgba(163, 230, 53, 0.45);
  --color-border-accent: rgba(251, 107, 75, 0.45);
  --radius-nav: 16px;
  --radius-card: 20px;
  --radius-small: 12px;
  --radius-btn: 10px;
  --radius-input: 8px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-card-hover: 0 12px 32px rgba(163, 230, 53, 0.12);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  --font-mono: "DIN Alternate", "Barlow Condensed", "Roboto Mono", "SF Mono", monospace;
  --container-max: 1200px;
  --nav-height: 64px;
  --section-gap: 72px;
  --section-gap-mobile: 40px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

a:hover {
  color: var(--color-primary);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

/* ========== HEADER / NAVIGATION ========== */
#site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  pointer-events: none;
  transition: top 0.35s ease;
}

#site-header .nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  pointer-events: auto;
  background: rgba(12, 31, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-nav);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
  transition: all 0.35s ease;
}

#site-header.scrolled .nav-inner {
  border-color: rgba(163, 230, 53, 0.30);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}

#site-header.scrolled {
  top: 8px;
}

.brand-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--color-text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  flex-shrink: 0;
}

.brand-logo .logo-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(163, 230, 53, 0.6);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-wrap: nowrap;
  list-style: none;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 8px;
  white-space: nowrap;
  transition: all 0.25s ease;
  position: relative;
}

.nav-menu a:hover {
  color: var(--color-text);
  background-color: rgba(163, 230, 53, 0.10);
}

.nav-menu a.active {
  color: var(--color-primary);
  background-color: rgba(163, 230, 53, 0.08);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 700;
  color: #0C1F14;
  background: var(--color-primary);
  border-radius: var(--radius-btn);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-primary-hover);
  color: #0C1F14;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(163, 230, 53, 0.25);
}

.nav-toggle {
  display: none;
  font-size: 24px;
  color: var(--color-text);
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(163, 230, 53, 0.08);
  line-height: 1;
  pointer-events: auto;
}

/* ========== MOBILE NAV ========== */
.mobile-nav-panel {
  display: none;
  position: fixed;
  top: 80px;
  left: 16px;
  right: 16px;
  z-index: 999;
  background: rgba(15, 36, 26, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-nav);
  padding: 16px 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

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

.mobile-nav-panel ul {
  list-style: none;
}

.mobile-nav-panel li {
  border-bottom: 1px solid rgba(163, 230, 53, 0.08);
}

.mobile-nav-panel li:last-child {
  border-bottom: none;
}

.mobile-nav-panel a {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 8px;
}

.mobile-nav-panel a:hover {
  background: rgba(163, 230, 53, 0.08);
  color: var(--color-text);
}

.mobile-nav-panel a.active {
  color: var(--color-primary);
}

.mobile-nav-panel .nav-cta {
  margin: 12px 8px 4px;
  width: calc(100% - 16px);
  text-align: center;
}

/* ========== MAIN ========== */
main {
  padding-top: 130px;
}

/* ========== BREADCRUMB ========== */
.breadcrumb-section {
  padding: 24px 0 8px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

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

.breadcrumb .sep {
  color: var(--color-text-muted);
}

.breadcrumb .current {
  color: var(--color-primary);
  font-weight: 500;
}

/* ========== PAGE H1 ========== */
.page-header-section {
  padding: 32px 0 24px;
}

.page-header-content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.page-header-text h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 14px;
}

.page-header-text h1 .highlight {
  color: var(--color-primary);
  border-bottom: 2px solid rgba(163, 230, 53, 0.4);
}

.page-header-text .lead {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 680px;
}

.page-header-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.page-header-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* ========== FILTER BAR ========== */
.filter-section {
  padding: 16px 0 8px;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  padding: 12px 16px;
}

.filter-bar .filter-label {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: rgba(163, 230, 53, 0.06);
  border: 1px solid rgba(163, 230, 53, 0.15);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--color-text);
  background: rgba(163, 230, 53, 0.12);
  border-color: var(--color-border-hover);
}

.filter-chip.active {
  color: #0C1F14;
  background: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
}

/* ========== NEWS LIST ========== */
.news-list-section {
  padding: 32px 0 16px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-card {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.news-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.3s ease;
}

.news-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  background: var(--color-card-hover);
}

.news-card:hover::before {
  background: var(--color-primary);
}

.news-card-image {
  border-radius: var(--radius-small);
  overflow: hidden;
  height: 120px;
  border: 1px solid rgba(163, 230, 53, 0.10);
}

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

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  transition: color 0.25s ease;
}

.news-card:hover .news-card-body h3 {
  color: var(--color-primary);
}

.news-card-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  justify-content: center;
  min-width: 110px;
}

.news-date {
  font-size: 13px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(163, 230, 53, 0.10);
  border-radius: 20px;
  white-space: nowrap;
}

.news-tag.hot {
  color: var(--color-accent);
  background: rgba(251, 107, 75, 0.10);
}

.news-tag.updated {
  color: #7F8F7E;
  background: rgba(127, 143, 126, 0.12);
}

.load-more {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.load-more a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-btn);
  transition: all 0.25s ease;
}

.load-more a:hover {
  background: rgba(163, 230, 53, 0.10);
  color: var(--color-primary-hover);
  transform: translateY(-2px);
}

/* ========== DATA SIDEBAR ========== */
.data-sidebar-section {
  padding: 32px 0 8px;
}

.data-sidebar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.data-sidebar-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  padding: 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.data-sidebar-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.data-sidebar-card .data-number {
  font-size: 28px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-primary);
  letter-spacing: 1px;
  line-height: 1.2;
  margin-bottom: 6px;
}

.data-sidebar-card .data-unit {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.data-sidebar-card .data-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ========== TOOLS ========== */
.tools-section {
  padding: 40px 0 8px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.3px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  width: 3px;
  height: 22px;
  background: var(--color-primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tool-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.3s ease;
}

.tool-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  background: var(--color-card-hover);
}

.tool-card .tool-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(163, 230, 53, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.tool-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

.tool-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 40px 0 8px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-item summary {
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  transition: all 0.25s ease;
  position: relative;
}

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

.faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-item[open] summary {
  color: var(--color-primary);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  border-left: 3px solid var(--color-primary);
  margin-left: 20px;
  padding-left: 16px;
}

/* ========== SUBSCRIBE CTA ========== */
.subscribe-section {
  padding: 40px 0 56px;
}

.subscribe-card {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-card) 60%, rgba(163, 230, 53, 0.05) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.subscribe-text h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.subscribe-text p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.subscribe-form input {
  width: 240px;
  padding: 11px 16px;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid rgba(163, 230, 53, 0.25);
  border-radius: var(--radius-input);
  outline: none;
  transition: all 0.25s ease;
}

.subscribe-form input::placeholder {
  color: var(--color-text-muted);
}

.subscribe-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(163, 230, 53, 0.15);
}

.subscribe-form button {
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 700;
  color: #0C1F14;
  background: var(--color-primary);
  border-radius: var(--radius-btn);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.subscribe-form button:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(163, 230, 53, 0.25);
}

/* ========== FOOTER ========== */
footer {
  background: var(--color-surface);
  border-top: 1px solid rgba(163, 230, 53, 0.25);
  padding: 48px 0 32px;
  margin-top: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand .footer-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-brand .footer-logo .logo-mark {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

.footer-brand p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.footer-col a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(163, 230, 53, 0.12);
  padding-top: 20px;
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .page-header-content {
    grid-template-columns: 1fr;
  }
  .page-header-image {
    max-width: 480px;
  }
  .news-card {
    grid-template-columns: 160px 1fr;
  }
  .news-card-meta {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
  }
  .data-sidebar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .subscribe-card {
    grid-template-columns: 1fr;
  }
  .subscribe-form {
    flex-wrap: wrap;
  }
  .subscribe-form input {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  main {
    padding-top: 100px;
  }
  #site-header {
    top: 8px;
    padding: 0 12px;
  }
  #site-header .nav-inner {
    padding: 0 12px;
    height: 56px;
  }
  .nav-menu {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
    pointer-events: auto;
  }
  .mobile-nav-panel {
    top: 72px;
  }
  .page-header-text h1 {
    font-size: 24px;
  }
  .page-header-image img {
    height: 160px;
  }
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 10px 12px;
    gap: 8px;
  }
  .filter-bar .filter-label {
    display: none;
  }
  .news-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }
  .news-card-image {
    height: 160px;
  }
  .news-card-meta {
    grid-column: 1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .data-sidebar-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .data-sidebar-card {
    padding: 14px;
  }
  .data-sidebar-card .data-number {
    font-size: 22px;
  }
  .tools-grid {
    grid-template-columns: 1fr;
  }
  .subscribe-card {
    padding: 24px 20px;
  }
  .subscribe-form button {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-title {
    font-size: 18px;
  }
}

@media (max-width: 520px) {
  .data-sidebar-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .data-sidebar-card {
    padding: 12px 8px;
  }
  .data-sidebar-card .data-number {
    font-size: 18px;
  }
  .news-card-body h3 {
    font-size: 15px;
  }
  .page-header-text h1 {
    font-size: 20px;
  }
  .faq-item summary {
    font-size: 14px;
    padding: 14px 16px;
  }
  .faq-answer {
    font-size: 13px;
    margin-left: 16px;
    padding-left: 12px;
  }
}