/* roulang page: index */
:root {
            --green: #1A7A3A;
            --green-dark: #0D4D24;
            --lime: #A8FF35;
            --charcoal: #1E1E1E;
            --amber: #F5A623;
            --blue: #4A90D9;
            --red: #E85555;
            --bg-light: #F7F5F0;
            --bg-dark: #121212;
            --text: #1E1E1E;
            --text-light: #5A5A5A;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
            --spacing-xxxl: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a:hover {
            color: var(--green-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        :focus-visible {
            outline: 3px solid var(--lime);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 14px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--green-dark);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--charcoal);
            flex-shrink: 0;
        }

        .nav-container {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex: 1;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
        }

        .main-nav a.active {
            background: var(--green);
            color: #fff;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }

        .chip {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .chip-warmup {
            background: rgba(30, 30, 30, 0.06);
            color: var(--text-light);
            cursor: not-allowed;
            opacity: 0.6;
        }

        .chip-live {
            background: var(--green);
            color: #fff;
            animation: pulse-chip 2s infinite ease-in-out;
            cursor: pointer;
        }

        .chip-live:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .chip-replay {
            background: #e0e0e0;
            color: #555;
            cursor: pointer;
        }

        .chip-replay:hover {
            background: #ccc;
            color: #333;
            transform: translateY(-1px);
        }

        @keyframes pulse-chip {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(168, 255, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(168, 255, 53, 0.15);
            }
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 30px;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: #fff;
            transition: border-color var(--transition);
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--charcoal);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            padding: var(--spacing-xxxl) 0 var(--spacing-xxl);
            background-image: linear-gradient(135deg, rgba(13, 77, 36, 0.92) 0%, rgba(26, 122, 58, 0.75) 50%, rgba(168, 255, 53, 0.35) 100%), url('/assets/images/294039a35e4e384d.webp');
            background-size: cover;
            background-position: center;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
            color: #fff;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(168, 255, 53, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--lime);
            width: fit-content;
        }

        .hero h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #fff;
        }

        .hero h1 .highlight {
            color: var(--lime);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 700;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--lime) 0%, #b8ff5e 100%);
            color: var(--charcoal);
            box-shadow: 0 4px 20px rgba(168, 255, 53, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(168, 255, 53, 0.45);
            color: var(--charcoal);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: 12px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .trust-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--lime);
            flex-shrink: 0;
        }

        .hero-visual {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            backdrop-filter: blur(8px);
        }

        .calc-preview {
            background: rgba(18, 18, 18, 0.75);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            color: #fff;
        }

        .calc-preview-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--spacing-md);
            font-size: 14px;
            font-weight: 700;
            color: var(--lime);
            letter-spacing: 1px;
        }

        .calc-preview-match {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 16px;
            font-weight: 600;
        }

        .calc-preview-prob {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-top: var(--spacing-md);
        }

        .prob-box {
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
        }

        .prob-box.win {
            background: rgba(245, 166, 35, 0.2);
            color: var(--amber);
        }

        .prob-box.draw {
            background: rgba(74, 144, 217, 0.2);
            color: var(--blue);
        }

        .prob-box.loss {
            background: rgba(232, 85, 85, 0.2);
            color: var(--red);
        }

        .calc-preview-result {
            margin-top: var(--spacing-md);
            padding: var(--spacing-sm);
            background: rgba(168, 255, 53, 0.12);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--lime);
            text-align: center;
        }

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

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background: rgba(26, 122, 58, 0.1);
            color: var(--green);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 720px;
            margin: 12px auto 0;
            line-height: 1.8;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-dark .section-tag {
            background: rgba(168, 255, 53, 0.2);
            color: var(--lime);
        }

        /* ========== PAIN TRANSITION ========== */
        .pain-transition {
            background: linear-gradient(180deg, var(--bg-light) 0%, #fff 50%, var(--bg-light) 100%);
            text-align: center;
            padding: var(--spacing-xl) 0;
        }

        .pain-text {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            max-width: 700px;
            margin: 0 auto;
        }

        .pain-arrow {
            font-size: 32px;
            color: var(--green);
            margin-top: var(--spacing-sm);
            display: block;
            animation: bounce-down 2s infinite;
        }

        @keyframes bounce-down {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(8px);
            }
        }

        /* ========== SOLUTION CARDS ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .solution-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            position: relative;
            transition: all var(--transition);
            border: 1px solid var(--border);
            overflow: hidden;
        }

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

        .solution-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            margin-bottom: var(--spacing-md);
        }

        .solution-card:nth-child(1) .solution-card-icon {
            background: rgba(245, 166, 35, 0.15);
            color: var(--amber);
        }

        .solution-card:nth-child(2) .solution-card-icon {
            background: rgba(74, 144, 217, 0.15);
            color: var(--blue);
        }

        .solution-card:nth-child(3) .solution-card-icon {
            background: rgba(232, 85, 85, 0.15);
            color: var(--red);
        }

        .solution-card:nth-child(4) .solution-card-icon {
            background: rgba(26, 122, 58, 0.15);
            color: var(--green);
        }

        .solution-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .solution-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .solution-badge {
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            background: var(--green);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
        }

        /* ========== STEPS ========== */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-lg);
            position: relative;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }

        .step-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .step-number {
            font-size: 40px;
            font-weight: 900;
            color: var(--green);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 8px;
            font-family: 'Courier New', monospace;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== ACHIEVEMENT DATA ========== */
        .achievement-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: center;
        }

        .achievement-badge {
            background: #fff;
            border-radius: 999px;
            padding: 12px 24px;
            box-shadow: var(--card-shadow);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .achievement-badge:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }

        .achievement-badge strong {
            color: var(--green);
            font-size: 20px;
            font-weight: 900;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .testimonial-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: var(--spacing-sm);
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--charcoal);
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 700;
            font-size: 15px;
            color: var(--text);
        }

        .testimonial-tag {
            font-size: 12px;
            color: var(--text-light);
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== AUDIENCE ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: var(--spacing-md);
        }

        .audience-tag {
            background: #fff;
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            font-weight: 600;
            font-size: 14px;
            color: var(--text);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .audience-tag:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
            color: var(--green);
        }

        /* ========== NEWS / ARTICLES ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .news-body {
            padding: var(--spacing-md);
        }

        .news-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .news-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== DATA METRICS ========== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .metric-card {
            text-align: center;
            padding: var(--spacing-lg);
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .metric-num {
            font-size: 36px;
            font-weight: 900;
            font-family: 'Courier New', monospace;
            color: var(--lime);
            line-height: 1.2;
        }

        .metric-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== CALCULATOR TOOL ========== */
        .calculator-section {
            background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, var(--bg-dark) 100%);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: var(--spacing-xxl) var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .calculator-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(168, 255, 53, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .calc-tool-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            position: relative;
            z-index: 2;
        }

        .calc-tool-info h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: #fff;
        }

        .calc-tool-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }

        .calc-tool-box {
            background: rgba(18, 18, 18, 0.8);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .calc-tool-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .calc-tool-form label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
        }

        .calc-tool-form input,
        .calc-tool-form select {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition);
            width: 100%;
        }

        .calc-tool-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .calc-tool-form input:focus,
        .calc-tool-form select:focus {
            border-color: var(--lime);
            outline: none;
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(168, 255, 53, 0.2);
        }

        .calc-tool-form select option {
            background: var(--charcoal);
            color: #fff;
        }

        .calc-tool-result {
            margin-top: var(--spacing-md);
            padding: var(--spacing-md);
            background: rgba(168, 255, 53, 0.12);
            border-radius: var(--radius-md);
            text-align: center;
        }

        .calc-tool-result strong {
            font-size: 20px;
            color: var(--lime);
            display: block;
        }

        .calc-tool-result span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
        }

        .brand-intro h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: var(--spacing-sm);
        }

        .brand-intro p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: var(--spacing-sm);
        }

        /* ========== CATEGORY ENTRY ========== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
        }

        .category-entry-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: block;
            text-decoration: none;
        }

        .category-entry-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: var(--green);
        }

        .category-entry-card .cat-icon {
            font-size: 28px;
            font-weight: 900;
            margin-bottom: 8px;
            color: var(--green);
        }

        .category-entry-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
        }

        /* ========== DATA SOURCE ========== */
        .data-source-box {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-color: var(--green);
            box-shadow: 0 4px 20px rgba(26, 122, 58, 0.12);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) var(--spacing-lg);
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            gap: var(--spacing-sm);
        }

        .faq-question:hover {
            color: var(--green);
        }

        .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--green);
            transition: transform var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--spacing-lg);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-md);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 40%, var(--lime) 120%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xxl) var(--spacing-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(168, 255, 53, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: var(--spacing-sm);
            position: relative;
            z-index: 2;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xxl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-top {
            border-top: 4px solid transparent;
            border-image: linear-gradient(90deg, var(--green), var(--lime), var(--green)) 1;
            padding-top: var(--spacing-lg);
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
        }

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 4px 0;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            margin-top: var(--spacing-xl);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: var(--lime);
        }

        /* ========== MOBILE NAV ========== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(18, 18, 18, 0.95);
            z-index: 2000;
            flex-direction: column;
            padding: var(--spacing-lg);
            gap: var(--spacing-md);
            overflow-y: auto;
        }

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

        .mobile-menu-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--spacing-md);
        }

        .mobile-menu-close {
            font-size: 28px;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
        }

        .mobile-menu .main-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
        }

        .mobile-menu .main-nav a {
            color: #fff;
            text-align: center;
            padding: 12px;
            font-size: 17px;
        }

        .mobile-menu .main-nav a.active {
            background: var(--green);
        }

        .mobile-menu .nav-chips {
            flex-direction: column;
            align-items: stretch;
            margin-left: 0;
            gap: 8px;
        }

        .mobile-menu .chip {
            justify-content: center;
            padding: 10px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1280px) {
            .hero h1 {
                font-size: 42px;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-horizontal {
                grid-template-columns: repeat(3, 1fr);
            }
            .audience-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-visual {
                max-width: 600px;
            }
            .nav-container {
                gap: var(--spacing-sm);
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .nav-chips {
                gap: 5px;
            }
            .chip {
                font-size: 11px;
                padding: 4px 10px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
                margin: 0 auto;
            }
            .calc-tool-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .hero {
                padding: var(--spacing-xl) 0 var(--spacing-lg);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .steps-horizontal {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .metrics-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .header-inner {
                padding: 10px 0;
            }
            .logo {
                font-size: 16px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
                border-radius: 8px;
            }
            .nav-container {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .achievement-badge {
                padding: 8px 16px;
                font-size: 13px;
            }
            .achievement-badge strong {
                font-size: 16px;
            }
            .calc-preview-prob {
                grid-template-columns: repeat(3, 1fr);
                gap: 5px;
            }
            .prob-box {
                font-size: 11px;
                padding: 8px 4px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .audience-grid {
                grid-template-columns: 1fr;
            }
            .metrics-row {
                grid-template-columns: 1fr;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-trust {
                flex-direction: column;
                gap: 8px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .calculator-section {
                padding: var(--spacing-lg) var(--spacing-sm);
                border-radius: var(--radius-md);
            }
            .brand-intro {
                padding: var(--spacing-md);
            }
            .brand-intro h3 {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --green: #1A7A3A;
            --green-dark: #0D4D24;
            --lime: #A8FF35;
            --charcoal: #1E1E1E;
            --amber: #F5A623;
            --blue: #4A90D9;
            --red: #E85555;
            --bg-light: #F7F5F0;
            --bg-dark: #121212;
            --text: #1E1E1E;
            --text-light: #5A5A5A;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
            --spacing-xxxl: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        a {
            color: var(--green);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--green-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 14px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--green-dark);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--green-dark);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--charcoal);
            flex-shrink: 0;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex: 1;
            justify-content: flex-end;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
        }
        .main-nav a.active {
            background: var(--green);
            color: #fff;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }
        .chip {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .chip-warmup {
            background: rgba(30, 30, 30, 0.06);
            color: var(--text-light);
            cursor: not-allowed;
            opacity: 0.6;
        }
        .chip-live {
            background: var(--green);
            color: #fff;
            animation: pulse-chip 2s infinite ease-in-out;
            cursor: pointer;
        }
        .chip-live:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .chip-replay {
            background: #e0e0e0;
            color: #555;
            cursor: pointer;
        }
        .chip-replay:hover {
            background: #ccc;
            color: #333;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 30px;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: #fff;
            transition: border-color var(--transition);
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--charcoal);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--green);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @keyframes pulse-chip {
            0%, 100% { box-shadow: 0 0 0 0 rgba(168, 255, 53, 0.4); }
            50% { box-shadow: 0 0 0 6px rgba(168, 255, 53, 0); }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-light);
            padding: 24px 0 0 0;
            border-bottom: none;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--green);
        }
        .breadcrumb-nav .separator {
            color: #bbb;
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--green);
            font-weight: 600;
        }

        /* ========== PAGE HEADER ========== */
        .page-header {
            background: var(--bg-light);
            padding: 32px 0 40px 0;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(168, 255, 53, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header h1 {
            font-size: 42px;
            font-weight: 900;
            color: var(--charcoal);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.25;
            position: relative;
            z-index: 1;
        }
        .page-header .subtitle {
            font-size: 17px;
            color: var(--text-light);
            max-width: 720px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }
        .header-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--lime);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            flex: 1;
            padding-bottom: var(--spacing-xxxl);
        }

        .section-block {
            padding: var(--spacing-xxl) 0;
        }
        .section-block.alt-bg {
            background: #fff;
            border-radius: 0;
        }
        .section-block.dark-bg {
            background: var(--bg-dark);
            color: var(--text-white);
            border-radius: var(--radius-lg);
            margin: var(--spacing-xl) auto;
        }
        .section-block.compact {
            padding: var(--spacing-xl) 0;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--charcoal);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-title .highlight {
            color: var(--green);
        }
        .dark-bg .section-title {
            color: #fff;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
        }
        .dark-bg .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== CARDS ========== */
        .custom-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .custom-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(26, 122, 58, 0.2);
        }
        .custom-card .card-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .custom-card .card-badge.badge-amber {
            background: rgba(245, 166, 35, 0.1);
            color: #c07d00;
        }
        .custom-card .card-badge.badge-blue {
            background: rgba(74, 144, 217, 0.1);
            color: #2a6eb0;
        }
        .custom-card .card-badge.badge-red {
            background: rgba(232, 85, 85, 0.1);
            color: #c03939;
        }
        .custom-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .custom-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .custom-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: #999;
            margin-top: 14px;
        }
        .custom-card .card-meta .tag {
            background: #f0ede6;
            color: #666;
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 11px;
        }

        /* ========== FEATURE CARDS (3-color) ========== */
        .outcome-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .outcome-card {
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            height: 100%;
            border-top: 5px solid;
            position: relative;
            background: #fff;
        }
        .outcome-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .outcome-card.win-card {
            border-top-color: var(--amber);
        }
        .outcome-card.draw-card {
            border-top-color: var(--blue);
        }
        .outcome-card.loss-card {
            border-top-color: var(--red);
        }
        .outcome-card .outcome-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            margin-bottom: 14px;
            color: #fff;
        }
        .win-card .outcome-icon {
            background: var(--amber);
        }
        .draw-card .outcome-icon {
            background: var(--blue);
        }
        .loss-card .outcome-icon {
            background: var(--red);
        }
        .outcome-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 8px;
        }
        .outcome-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .outcome-card .outcome-stat {
            margin-top: 14px;
            font-size: 28px;
            font-weight: 800;
            color: var(--charcoal);
            letter-spacing: -0.5px;
        }
        .outcome-card .outcome-stat span {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 0;
        }

        /* ========== SCENARIO LIST ========== */
        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .scenario-list li {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .scenario-list li:hover {
            border-color: rgba(26, 122, 58, 0.25);
            box-shadow: var(--card-shadow);
            transform: translateX(4px);
        }
        .scenario-list .scenario-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            color: var(--charcoal);
            font-weight: 900;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .scenario-list .scenario-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 4px;
        }
        .scenario-list .scenario-content p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== ARTICLE CARDS ========== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .article-card .article-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .article-card .article-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .article-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .article-card .article-tags .tag {
            background: rgba(26, 122, 58, 0.07);
            color: var(--green);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
        }
        .article-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .article-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .article-card .article-date {
            font-size: 12px;
            color: #999;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        /* ========== CALCULATOR SHOWCASE ========== */
        .calculator-showcase {
            background: linear-gradient(135deg, var(--charcoal) 0%, #1a3a2a 60%, var(--green-dark) 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .calculator-showcase::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(168, 255, 53, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .calc-mock {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
        }
        .calc-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }
        .calc-row:last-child {
            border-bottom: none;
        }
        .calc-row .label {
            color: rgba(255, 255, 255, 0.7);
        }
        .calc-row .value {
            font-weight: 700;
            color: var(--lime);
            font-size: 16px;
        }
        .calc-row .value.amber {
            color: var(--amber);
        }
        .calc-row .value.blue {
            color: var(--blue);
        }
        .calc-row .value.red {
            color: var(--red);
        }

        /* ========== BUTTONS ========== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
            border: none;
        }
        .btn-custom.btn-gradient {
            background: linear-gradient(135deg, var(--green), var(--lime));
            color: var(--charcoal);
            box-shadow: 0 4px 16px rgba(26, 122, 58, 0.25);
        }
        .btn-custom.btn-gradient:hover {
            background: linear-gradient(135deg, var(--green-dark), var(--lime));
            color: var(--charcoal);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 122, 58, 0.35);
        }
        .btn-custom.btn-outline {
            background: transparent;
            color: var(--green);
            border: 2px solid var(--green);
        }
        .btn-custom.btn-outline:hover {
            background: var(--green);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-custom.btn-white {
            background: #fff;
            color: var(--charcoal);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-custom.btn-white:hover {
            background: #f0ede6;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 60%, #0a3a1c 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            color: #fff;
            margin-top: var(--spacing-xl);
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            color: #fff;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .cta-section .risk-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 14px;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            background: #fff;
        }
        .faq-section .accordion-button {
            background: #fff;
            color: var(--charcoal);
            font-weight: 700;
            font-size: 15px;
            padding: 18px 24px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(26, 122, 58, 0.04);
            color: var(--green-dark);
            box-shadow: none;
        }
        .faq-section .accordion-button::after {
            background-size: 14px;
            opacity: 0.5;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 122, 58, 0.15);
        }
        .faq-section .accordion-body {
            padding: 18px 24px 22px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ========== RELATED LINKS ========== */
        .related-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .related-link-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .related-link-card:hover {
            border-color: rgba(26, 122, 58, 0.3);
            box-shadow: var(--card-shadow);
            transform: translateY(-2px);
        }
        .related-link-card .rl-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(26, 122, 58, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .related-link-card .rl-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 2px;
        }
        .related-link-card .rl-content p {
            font-size: 12px;
            color: var(--text-light);
            margin: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--green), var(--lime), var(--green));
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            line-height: 1.7;
            max-width: 360px;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--lime);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-md);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--lime);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .outcome-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-md);
            }
            .related-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: var(--spacing-md);
            }
            .page-header h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-container {
                position: fixed;
                top: 65px;
                right: 0;
                left: 0;
                background: var(--bg-light);
                flex-direction: column;
                padding: var(--spacing-md) var(--spacing-lg);
                gap: var(--spacing-sm);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
                transform: translateY(-120%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 999;
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }
            .nav-container.open {
                transform: translateY(0);
            }
            .main-nav {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .nav-chips {
                flex-direction: row;
                flex-wrap: wrap;
                margin-left: 0;
                padding-top: 10px;
                border-top: 1px solid var(--border);
                gap: 6px;
            }
            .container {
                padding: 0 var(--spacing-md);
            }
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .outcome-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .related-links {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-block {
                padding: var(--spacing-xl) 0;
            }
            .calculator-showcase {
                padding: var(--spacing-lg);
            }
            .cta-section {
                padding: var(--spacing-lg);
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .custom-card {
                padding: var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 10px 0;
            }
            .logo {
                font-size: 17px;
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 21px;
            }
            .btn-custom {
                padding: 10px 20px;
                font-size: 14px;
            }
            .scenario-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .footer-bottom {
                font-size: 11px;
            }
        }

/* roulang page: category1 */
:root {
            --green: #1A7A3A;
            --green-dark: #0D4D24;
            --lime: #A8FF35;
            --charcoal: #1E1E1E;
            --amber: #F5A623;
            --blue: #4A90D9;
            --red: #E85555;
            --bg-light: #F7F5F0;
            --bg-dark: #121212;
            --text: #1E1E1E;
            --text-light: #5A5A5A;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
            --spacing-xxxl: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }
        a {
            color: var(--green);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--green-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
            box-sizing: border-box;
        }
        /* HEADER */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 14px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--green-dark);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--charcoal);
            flex-shrink: 0;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex: 1;
            justify-content: flex-end;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
        }
        .main-nav a.active {
            background: var(--green);
            color: #fff;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
            flex-wrap: wrap;
        }
        .chip {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .chip-warmup {
            background: rgba(30, 30, 30, 0.06);
            color: var(--text-light);
            cursor: not-allowed;
            opacity: 0.6;
        }
        .chip-live {
            background: var(--green);
            color: #fff;
            animation: pulse-chip 2s infinite ease-in-out;
            cursor: pointer;
        }
        .chip-live:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .chip-replay {
            background: #e0e0e0;
            color: #555;
            cursor: pointer;
        }
        .chip-replay:hover {
            background: #ccc;
            color: #333;
            transform: translateY(-1px);
        }
        @keyframes pulse-chip {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(26, 122, 58, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(26, 122, 58, 0);
            }
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 30px;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: #fff;
            transition: border-color var(--transition);
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--charcoal);
            border-radius: 2px;
            transition: all var(--transition);
        }
        /* BREADCRUMB */
        .breadcrumb-wrap {
            padding: var(--spacing-md) 0 0;
            background: var(--bg-light);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--green);
        }
        .breadcrumb .sep {
            color: var(--border);
            font-weight: 300;
        }
        .breadcrumb .current {
            color: var(--green);
            font-weight: 700;
        }
        /* SECTIONS */
        section {
            padding: var(--spacing-xxl) 0;
            box-sizing: border-box;
        }
        .section-subtitle {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--green);
            margin-bottom: var(--spacing-sm);
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--charcoal);
            margin-bottom: var(--spacing-md);
        }
        .section-title em {
            font-style: normal;
            color: var(--green);
            border-bottom: 3px solid var(--lime);
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-light);
            max-width: 720px;
            line-height: 1.85;
        }
        /* HERO */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, var(--charcoal) 100%);
            color: #fff;
            padding: var(--spacing-xxxl) 0;
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            margin-bottom: var(--spacing-xxl);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/294039a35e4e384d.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 80% 20%, rgba(168, 255, 53, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xxl);
            align-items: center;
        }
        .hero-copy h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.5px;
        }
        .hero-copy h1 .highlight {
            color: var(--lime);
            position: relative;
        }
        .hero-copy p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.85;
            max-width: 520px;
            margin-bottom: var(--spacing-lg);
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: var(--spacing-lg);
        }
        .hero-badges .hbadge {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.3px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(4px);
        }
        .hero-badges .hbadge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--lime);
        }
        .hero-action {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--lime), var(--green));
            color: var(--charcoal);
            font-size: 16px;
            font-weight: 800;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(168, 255, 53, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(168, 255, 53, 0.45);
            color: var(--charcoal);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
        }
        .hero-panel {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
        }
        .hero-panel .panel-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--lime);
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }
        .hero-panel .panel-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
        }
        .hero-panel .panel-row:last-child {
            border-bottom: none;
        }
        .hero-panel .panel-row .tag {
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .hero-panel .panel-row .tag.high {
            background: var(--lime);
            color: var(--charcoal);
        }
        /* DATA TABLE / LIST */
        .data-list-section {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            margin-top: calc(var(--spacing-xxl) * -1);
            position: relative;
            z-index: 5;
        }
        .data-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .data-list-header h2 {
            font-size: 22px;
            font-weight: 800;
            color: var(--charcoal);
            margin: 0;
        }
        .data-filter {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .data-filter .fbtn {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-light);
            transition: all var(--transition);
        }
        .data-filter .fbtn:hover,
        .data-filter .fbtn.active {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .data-table-wrap {
            overflow-x: auto;
            padding: var(--spacing-md) var(--spacing-lg);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 780px;
        }
        .data-table th {
            text-align: left;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--text-light);
            padding: 10px 12px;
            border-bottom: 2px solid var(--border);
            white-space: nowrap;
        }
        .data-table td {
            padding: 14px 12px;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }
        .data-table tbody tr:hover td {
            background: rgba(26, 122, 58, 0.04);
        }
        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .team-cell .team-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--charcoal);
            flex-shrink: 0;
        }
        .team-cell .team-name {
            font-weight: 700;
            color: var(--charcoal);
        }
        .prob-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-width: 100px;
        }
        .prob-bar .bar-track {
            width: 60px;
            height: 6px;
            border-radius: 3px;
            background: #eee;
            overflow: hidden;
        }
        .prob-bar .bar-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 0.6s ease;
        }
        .prob-bar .bar-fill.win {
            background: var(--amber);
        }
        .prob-bar .bar-fill.draw {
            background: var(--blue);
        }
        .prob-bar .bar-fill.lose {
            background: var(--red);
        }
        .prob-value {
            font-weight: 800;
            font-size: 14px;
            color: var(--charcoal);
            min-width: 38px;
            display: inline-block;
        }
        /* METRICS */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: left;
        }
        .metric-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .metric-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: var(--spacing-sm);
        }
        .metric-card .metric-icon.green-bg {
            background: rgba(26, 122, 58, 0.1);
            color: var(--green);
        }
        .metric-card .metric-icon.amber-bg {
            background: rgba(245, 166, 35, 0.12);
            color: var(--amber);
        }
        .metric-card .metric-icon.blue-bg {
            background: rgba(74, 144, 217, 0.12);
            color: var(--blue);
        }
        .metric-card .metric-icon.red-bg {
            background: rgba(232, 85, 85, 0.12);
            color: var(--red);
        }
        .metric-card .metric-value {
            font-size: 36px;
            font-weight: 900;
            color: var(--charcoal);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 600;
            margin-top: 4px;
        }
        /* ARTICLE CARDS */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .article-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .article-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .article-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .article-card:hover img {
            transform: scale(1.03);
        }
        .article-card .article-body {
            padding: var(--spacing-md);
        }
        .article-card .article-date {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .article-card h3 {
            font-size: 17px;
            font-weight: 800;
            color: var(--charcoal);
            margin: 8px 0;
            line-height: 1.5;
        }
        .article-card h3 a {
            color: var(--charcoal);
        }
        .article-card h3 a:hover {
            color: var(--green);
        }
        .article-card p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }
        /* INFO BANNER */
        .info-banner {
            background: linear-gradient(135deg, var(--charcoal), var(--green-dark));
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            color: #fff;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .info-banner h3 {
            font-size: 24px;
            font-weight: 800;
            margin: 0 0 8px;
            color: var(--lime);
        }
        .info-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            max-width: 600px;
            line-height: 1.8;
        }
        .info-banner .btn-outline-light {
            padding: 12px 28px;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .info-banner .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--card-shadow-hover);
        }
        .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            font-weight: 800;
            font-size: 16px;
            color: var(--charcoal);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--green);
        }
        .faq-question .faq-icon {
            font-size: 22px;
            font-weight: 300;
            color: var(--green);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--spacing-lg);
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 var(--spacing-lg) var(--spacing-md);
        }
        /* CTA */
        .cta-zone {
            background: linear-gradient(135deg, var(--green-dark), var(--green));
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            color: #fff;
            text-align: center;
        }
        .cta-zone h2 {
            font-size: 30px;
            font-weight: 900;
            margin: 0 0 var(--spacing-sm);
            color: #fff;
        }
        .cta-zone p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.8;
        }
        .cta-zone .btn-primary {
            font-size: 17px;
            padding: 16px 40px;
        }
        .cta-note {
            display: block;
            margin-top: var(--spacing-sm);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.5px;
        }
        /* FOOTER */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-xxl) 0 var(--spacing-md);
            border-top: 4px solid;
            border-image: linear-gradient(to right, var(--green), var(--lime), var(--green)) 1;
            margin-top: auto;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--lime);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--lime);
        }
        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-copy h1 {
                font-size: 34px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-banner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .info-banner p {
                margin-left: auto;
                margin-right: auto;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-container {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                background: #fff;
                border-radius: var(--radius-md);
                padding: var(--spacing-sm);
                box-shadow: var(--card-shadow-hover);
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                z-index: 999;
            }
            .nav-container.open {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-chips {
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                gap: 4px;
                padding-top: 8px;
                border-top: 1px solid var(--border);
            }
            .nav-toggle {
                display: flex;
            }
            section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .category-hero {
                padding: var(--spacing-xl) 0;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .hero-copy h1 {
                font-size: 28px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .data-list-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb-wrap {
                padding-top: var(--spacing-sm);
            }
            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .cta-zone h2 {
                font-size: 24px;
            }
            .info-banner {
                padding: var(--spacing-md);
                text-align: left;
            }
            .info-banner p {
                margin: 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .hero-copy h1 {
                font-size: 24px;
            }
            .hero-copy p {
                font-size: 15px;
            }
            .hero-badges {
                gap: 6px;
            }
            .hero-badges .hbadge {
                font-size: 11px;
                padding: 5px 12px;
            }
            .hero-panel {
                padding: var(--spacing-sm);
            }
            .section-title {
                font-size: 22px;
            }
            .metric-card .metric-value {
                font-size: 28px;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .data-table-wrap {
                padding: var(--spacing-sm);
            }
            .team-cell .team-name {
                font-size: 13px;
            }
            .article-card img {
                height: 150px;
            }
            .faq-question {
                padding: var(--spacing-sm);
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 var(--spacing-sm);
                font-size: 14px;
            }
            .btn-primary,
            .btn-ghost {
                padding: 10px 20px;
                font-size: 14px;
            }
            .cta-zone {
                padding: var(--spacing-md);
            }
        }

/* roulang page: category3 */
:root {
            --green: #1A7A3A;
            --green-dark: #0D4D24;
            --lime: #A8FF35;
            --charcoal: #1E1E1E;
            --amber: #F5A623;
            --blue: #4A90D9;
            --red: #E85555;
            --bg-light: #F7F5F0;
            --bg-dark: #121212;
            --text: #1E1E1E;
            --text-light: #5A5A5A;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
            --spacing-xxxl: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--green);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--green-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 14px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--green-dark);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--green);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--charcoal);
            flex-shrink: 0;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex: 1;
            justify-content: flex-end;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
        }
        .main-nav a.active {
            background: var(--green);
            color: #fff;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }
        .chip {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .chip-warmup {
            background: rgba(30, 30, 30, 0.06);
            color: var(--text-light);
            cursor: not-allowed;
            opacity: 0.6;
        }
        .chip-live {
            background: var(--green);
            color: #fff;
            animation: pulse-chip 2s infinite ease-in-out;
            cursor: pointer;
        }
        .chip-live:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .chip-replay {
            background: #e0e0e0;
            color: #555;
            cursor: pointer;
        }
        .chip-replay:hover {
            background: #ccc;
            color: #333;
            transform: translateY(-1px);
        }
        @keyframes pulse-chip {
            0%, 100% { box-shadow: 0 0 0 0 rgba(26, 122, 58, 0.3); }
            50% { box-shadow: 0 0 0 8px rgba(26, 122, 58, 0); }
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 30px;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: #fff;
            transition: border-color var(--transition);
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--charcoal);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--green);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: var(--spacing-md) 0 0;
        }
        .breadcrumb-nav {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb-nav a {
            color: var(--text-light);
        }
        .breadcrumb-nav a:hover {
            color: var(--green);
        }
        .breadcrumb-nav span {
            color: var(--green);
            font-weight: 600;
        }
        .breadcrumb-nav .divider {
            color: #c0b8b0;
            font-size: 12px;
        }

        /* ========== PAGE HERO ========== */
        .category-hero {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
        }
        .category-hero .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26,122,58,0.05), rgba(168,255,53,0.08));
            border-radius: var(--radius-lg);
            z-index: -1;
        }
        .category-hero h1 {
            font-size: 40px;
            font-weight: 900;
            color: var(--charcoal);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--text-light);
            max-width: 800px;
            line-height: 1.9;
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--spacing-md);
        }
        .category-hero .hero-tag {
            padding: 6px 16px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
        }

        /* ========== ASYMMETRIC LIST ========== */
        .odds-list-section {
            padding: var(--spacing-xl) 0;
        }
        .odds-list-item {
            display: flex;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--card-shadow);
            margin-bottom: var(--spacing-md);
            transition: all var(--transition);
            border: 1px solid var(--border);
            align-items: center;
        }
        .odds-list-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .odds-list-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 130px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .odds-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .odds-list-body {
            flex: 1;
        }
        .odds-list-body h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--charcoal);
            margin-bottom: 8px;
        }
        .odds-list-body p {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .odds-list-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .odds-list-meta .badge-stat {
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(26,122,58,0.08);
            color: var(--green);
        }
        .odds-list-meta .badge-stat.blue {
            background: rgba(74,144,217,0.1);
            color: var(--blue);
        }
        .odds-list-meta .badge-stat.amber {
            background: rgba(245,166,35,0.12);
            color: var(--amber);
        }
        .odds-list-meta .badge-stat.red {
            background: rgba(232,85,85,0.1);
            color: var(--red);
        }
        .odds-list-link {
            flex-shrink: 0;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--green);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .odds-list-link:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== ODDS EXPLAINER ========== */
        .odds-explainer-section {
            padding: var(--spacing-xl) 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .explainer-card {
            padding: var(--spacing-lg);
            border-radius: var(--radius-lg);
            background: var(--bg-light);
            border: 1px solid var(--border);
            height: 100%;
            transition: all var(--transition);
        }
        .explainer-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            background: #fff;
        }
        .explainer-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: var(--spacing-md);
        }
        .explainer-card h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--charcoal);
        }
        .explainer-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ========== DARK DATA SECTION ========== */
        .dark-data-section {
            padding: var(--spacing-xxl) 0;
            background: var(--bg-dark);
            color: var(--text-white);
            border-radius: var(--radius-lg);
            margin: var(--spacing-xl) 0;
        }
        .dark-data-section h2 {
            font-size: 28px;
            font-weight: 900;
            margin-bottom: var(--spacing-lg);
            color: #fff;
        }
        .dark-data-card {
            padding: var(--spacing-lg);
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            transition: all var(--transition);
        }
        .dark-data-card:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(168,255,53,0.3);
        }
        .dark-data-card .data-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--lime);
            font-variant-numeric: tabular-nums;
        }
        .dark-data-card .data-label {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }

        /* ========== CALCULATOR EMBED ========== */
        .calculator-embed-section {
            padding: var(--spacing-xl) 0;
        }
        .calc-frame {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            padding: var(--spacing-lg);
            height: 100%;
        }
        .calc-frame .calc-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
        }
        .calc-frame .calc-header h3 {
            font-size: 18px;
            font-weight: 800;
            margin: 0;
        }
        .calc-frame .calc-display {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            margin-bottom: var(--spacing-md);
        }
        .calc-frame .calc-display .win-prob {
            font-size: 42px;
            font-weight: 900;
            color: var(--lime);
            font-variant-numeric: tabular-nums;
        }
        .calc-frame .calc-display .prob-label {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
        }
        .calc-frame .calc-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: var(--spacing-md);
        }
        .calc-frame .calc-grid .calc-btn {
            padding: 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            border: 1px solid var(--border);
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
        }
        .calc-frame .calc-grid .calc-btn:hover {
            background: rgba(26,122,58,0.08);
            border-color: var(--green);
        }
        .calc-frame .calc-grid .calc-btn.win {
            color: var(--amber);
        }
        .calc-frame .calc-grid .calc-btn.draw {
            color: var(--blue);
        }
        .calc-frame .calc-grid .calc-btn.lose {
            color: var(--red);
        }
        .calc-frame .calc-input-group {
            display: flex;
            gap: 10px;
        }
        .calc-frame .calc-input-group input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border);
            font-size: 15px;
            font-weight: 600;
            transition: border-color var(--transition);
        }
        .calc-frame .calc-input-group input:focus {
            outline: none;
            border-color: var(--green);
        }
        .calc-frame .calc-submit {
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--green), var(--green-dark));
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .calc-frame .calc-submit:hover {
            box-shadow: 0 4px 20px rgba(26,122,58,0.35);
            transform: translateY(-2px);
        }

        /* ========== SCENE CARDS ========== */
        .scene-section {
            padding: var(--spacing-xl) 0;
        }
        .scene-card {
            padding: var(--spacing-lg);
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            height: 100%;
        }
        .scene-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .scene-card h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--charcoal);
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }
        .scene-card .scene-tag {
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 12px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-light);
        }
        .accordion-button {
            font-weight: 800;
            font-size: 16px;
            color: var(--charcoal);
            padding: 18px 24px;
            background: var(--bg-light);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(26,122,58,0.06);
            color: var(--green-dark);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--green);
        }
        .accordion-body {
            padding: 18px 24px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.85;
            background: #fff;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-xxl) 0;
        }
        .cta-panel {
            background: linear-gradient(135deg, var(--green), var(--green-dark));
            border-radius: var(--radius-xl);
            padding: var(--spacing-xxl) var(--spacing-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(168,255,53,0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: 32px;
            font-weight: 900;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 1;
        }
        .cta-panel .cta-btn {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 999px;
            background: var(--lime);
            color: var(--charcoal);
            font-weight: 900;
            font-size: 16px;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }
        .cta-panel .cta-btn:hover {
            box-shadow: 0 8px 32px rgba(168,255,53,0.4);
            transform: translateY(-3px);
            color: var(--charcoal);
        }
        .cta-panel .cta-risk {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            margin-top: var(--spacing-md);
            position: relative;
            z-index: 1;
        }

        /* ========== RELATED ========== */
        .related-section {
            padding: var(--spacing-xl) 0;
        }
        .related-card {
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            text-align: center;
            height: 100%;
        }
        .related-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .related-card h4 {
            font-size: 16px;
            font-weight: 800;
            margin: 0;
            color: var(--charcoal);
        }
        .related-card p {
            font-size: 13px;
            color: var(--text-light);
            margin: 8px 0 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--charcoal);
            color: rgba(255,255,255,0.7);
            padding: var(--spacing-xxl) 0 var(--spacing-md);
            margin-top: var(--spacing-xxxl);
            border-top: 4px solid var(--green);
        }
        .site-footer h3,
        .site-footer h4 {
            color: #fff;
        }
        .site-footer h3 {
            font-size: 20px;
            font-weight: 900;
            margin-bottom: 12px;
        }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 400px;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255,255,255,0.65);
            font-size: 14px;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--lime);
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }
        .site-footer .footer-bottom a {
            color: rgba(255,255,255,0.55);
            font-size: 13px;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--lime);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-chips {
                display: none;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-container {
                flex: 1;
                justify-content: center;
                order: 3;
                width: 100%;
                padding-top: 8px;
            }
            .main-nav {
                flex-wrap: wrap;
                justify-content: center;
            }
            .footer-top .footer-col,
            .site-footer .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-top {
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .odds-list-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .odds-list-thumb {
                width: 100%;
                height: 180px;
            }
            .odds-list-link {
                width: 100%;
                text-align: center;
            }
            .calc-frame .calc-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .calc-frame .calc-input-group {
                flex-direction: column;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-container {
                display: none;
                flex-direction: column;
                width: 100%;
                order: 3;
                gap: 0;
                padding-top: 0;
            }
            .nav-container.open {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }
            .main-nav a {
                padding: 10px 14px;
                width: 100%;
                text-align: left;
                border-radius: 8px;
            }
            .nav-chips {
                display: flex;
                flex-wrap: wrap;
                padding: 10px 0;
                margin-left: 0;
                width: 100%;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .dark-data-card .data-number {
                font-size: 28px;
            }
            .cta-panel h2 {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .calc-frame .calc-display .win-prob {
                font-size: 32px;
            }
            .odds-list-thumb {
                height: 140px;
            }
        }

/* roulang page: category5 */
:root {
            --green: #1A7A3A;
            --green-dark: #0D4D24;
            --lime: #A8FF35;
            --charcoal: #1E1E1E;
            --amber: #F5A623;
            --blue: #4A90D9;
            --red: #E85555;
            --bg-light: #F7F5F0;
            --bg-dark: #121212;
            --text: #1E1E1E;
            --text-light: #5A5A5A;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
            --spacing-xxxl: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--green-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 14px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--green-dark);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--green-dark);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--charcoal);
            flex-shrink: 0;
        }

        .nav-container {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex: 1;
            justify-content: flex-end;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
        }

        .main-nav a.active {
            background: var(--green);
            color: #fff;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }

        .chip {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .chip-warmup {
            background: rgba(30, 30, 30, 0.06);
            color: var(--text-light);
            cursor: not-allowed;
            opacity: 0.6;
        }

        .chip-live {
            background: var(--green);
            color: #fff;
            animation: pulse-chip 2s infinite ease-in-out;
            cursor: pointer;
        }

        .chip-live:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .chip-replay {
            background: #e0e0e0;
            color: #555;
            cursor: pointer;
        }

        .chip-replay:hover {
            background: #ccc;
            color: #333;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 30px;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: #fff;
            transition: border-color var(--transition);
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--charcoal);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--green);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @keyframes pulse-chip {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(168, 255, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(168, 255, 53, 0);
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: var(--spacing-md) 0 var(--spacing-sm);
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: #bbb;
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--green);
            font-weight: 700;
        }

        /* ========== PAGE HERO (分类标题区) ========== */
        .page-hero {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, #2e8f4e 100%);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(168, 255, 53, 0.12);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: 5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.15);
            pointer-events: none;
        }

        .page-hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xl);
        }

        .page-hero-text {
            flex: 1;
            max-width: 680px;
        }

        .page-hero-text h1 {
            font-size: 40px;
            font-weight: 900;
            color: #fff;
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
        }

        .page-hero-text h1 .highlight {
            color: var(--lime);
        }

        .page-hero-text p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.8;
            max-width: 600px;
        }

        .page-hero-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: var(--spacing-md);
            flex-wrap: wrap;
        }

        .page-hero-badge .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .page-hero-tools {
            display: flex;
            gap: 12px;
            margin-top: var(--spacing-md);
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--lime) 0%, #c5ff68 100%);
            color: var(--charcoal);
            box-shadow: 0 4px 16px rgba(168, 255, 53, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(168, 255, 53, 0.45);
            color: var(--charcoal);
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-green {
            background: var(--green);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 122, 58, 0.3);
        }

        .btn-green:hover {
            background: var(--green-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(13, 77, 36, 0.4);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--spacing-xxl) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: 0.5px;
            color: var(--charcoal);
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 680px;
            line-height: 1.8;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== DATA OVERVIEW ========== */
        .data-overview {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .data-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(26, 122, 58, 0.2);
        }

        .data-card .icon-badge {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
        }

        .icon-badge.green {
            background: rgba(26, 122, 58, 0.1);
            color: var(--green);
        }
        .icon-badge.amber {
            background: rgba(245, 166, 35, 0.12);
            color: var(--amber);
        }
        .icon-badge.blue {
            background: rgba(74, 144, 217, 0.12);
            color: var(--blue);
        }
        .icon-badge.red {
            background: rgba(232, 85, 85, 0.12);
            color: var(--red);
        }

        .data-card .number {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--charcoal);
            letter-spacing: -0.5px;
            font-variant-numeric: tabular-nums;
        }

        .data-card .label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            margin-top: 4px;
        }

        .data-card .trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 700;
            margin-top: 8px;
            padding: 4px 10px;
            border-radius: 999px;
        }

        .trend.up {
            background: rgba(26, 122, 58, 0.1);
            color: var(--green);
        }
        .trend.down {
            background: rgba(232, 85, 85, 0.1);
            color: var(--red);
        }
        .trend.flat {
            background: rgba(74, 144, 217, 0.1);
            color: var(--blue);
        }

        /* ========== METHOD STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(26, 122, 58, 0.2);
        }

        .step-number {
            font-size: 42px;
            font-weight: 900;
            line-height: 1;
            color: var(--green);
            margin-bottom: var(--spacing-sm);
            font-variant-numeric: tabular-nums;
        }

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

        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== REVIEW CASES (不对称双栏) ========== */
        .review-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-lg);
        }

        .review-main {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .review-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .review-card .card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .review-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

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

        .review-card .card-img .overlay-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(18, 18, 18, 0.8);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .review-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
        }

        .review-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .review-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .review-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #999;
            flex-wrap: wrap;
        }

        .review-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .review-side {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .review-side-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
        }

        .review-side-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }

        .review-side-card .thumb {
            width: 80px;
            height: 80px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .review-side-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 14px;
        }

        .review-side-card .info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .review-side-card .info p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 6px;
        }

        .review-side-card .info .date {
            font-size: 12px;
            color: #999;
        }

        /* ========== INDICATORS TABLE ========== */
        .indicator-table-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
        }

        .indicator-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .indicator-table th {
            background: var(--green-dark);
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .indicator-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
        }

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

        .indicator-table tr:hover td {
            background: rgba(26, 122, 58, 0.03);
        }

        .indicator-table .win {
            color: var(--amber);
            font-weight: 700;
        }
        .indicator-table .draw {
            color: var(--blue);
            font-weight: 700;
        }
        .indicator-table .loss {
            color: var(--red);
            font-weight: 700;
        }

        .table-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .tag-green {
            background: rgba(26, 122, 58, 0.1);
            color: var(--green);
        }
        .tag-amber {
            background: rgba(245, 166, 35, 0.12);
            color: #b87706;
        }
        .tag-blue {
            background: rgba(74, 144, 217, 0.12);
            color: var(--blue);
        }
        .tag-red {
            background: rgba(232, 85, 85, 0.12);
            color: var(--red);
        }

        /* ========== TOOL EMBED ========== */
        .tool-embed {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
        }

        .tool-preview {
            background: var(--bg-dark);
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-md);
            min-height: 360px;
        }

        .tool-preview .mock-display {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .tool-preview .mock-display .line {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .tool-preview .mock-display .line:last-child {
            border-bottom: none;
        }

        .tool-preview .mock-display .line .val {
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
        }

        .tool-preview .mock-display .line .val.highlight {
            color: var(--lime);
        }

        .tool-info {
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .tool-info h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--charcoal);
            margin-bottom: 12px;
        }

        .tool-info p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }

        .tool-info .features {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: var(--spacing-md);
        }

        .tool-info .features li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            list-style: none;
        }

        .tool-info .features li::before {
            content: '✓';
            color: var(--green);
            font-weight: 800;
            font-size: 16px;
        }

        /* ========== RELATED CHANNELS ========== */
        .channels-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .channel-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .channel-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(26, 122, 58, 0.3);
        }

        .channel-card .channel-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(135deg, rgba(26, 122, 58, 0.1), rgba(168, 255, 53, 0.15));
            color: var(--green);
        }

        .channel-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--charcoal);
            margin-bottom: 6px;
        }

        .channel-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .channel-card .link-arrow {
            font-size: 14px;
            font-weight: 700;
            color: var(--green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .channel-card .link-arrow::after {
            content: '→';
            transition: transform var(--transition);
        }

        .channel-card:hover .link-arrow::after {
            transform: translateX(4px);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-xxl) 0;
            background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, #2e8f4e 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            background: rgba(168, 255, 53, 0.1);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-text h2 {
            font-size: 30px;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-lime {
            background: var(--lime);
            color: var(--charcoal);
            box-shadow: 0 4px 16px rgba(168, 255, 53, 0.35);
            padding: 14px 28px;
            font-size: 16px;
        }

        .btn-lime:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(168, 255, 53, 0.5);
            color: var(--charcoal);
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding-top: var(--spacing-xxl);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--green), var(--lime), var(--green));
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 5px 0;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: var(--lime);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--lime);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .data-overview {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .channels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .tool-embed {
                grid-template-columns: 1fr;
            }
            .tool-preview {
                min-height: 280px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero-text h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .nav-container {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 10px;
                padding-top: 10px;
                border-top: 1px solid var(--border);
            }
            .nav-container.open {
                display: flex;
            }
            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 10px;
                font-size: 15px;
            }
            .nav-chips {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 6px;
                margin-left: 0;
                padding: 4px 0;
            }
            .nav-toggle {
                display: flex;
            }
            .page-hero-text h1 {
                font-size: 26px;
            }
            .page-hero-text p {
                font-size: 15px;
            }
            .page-hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-md);
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .data-overview {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .channels-grid {
                grid-template-columns: 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .page-hero-text h1 {
                font-size: 22px;
            }
            .page-hero-text p {
                font-size: 14px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .cta-text h2 {
                font-size: 22px;
            }
            .indicator-table th,
            .indicator-table td {
                padding: 8px 10px;
                font-size: 12px;
            }
            .review-card .card-img {
                height: 160px;
            }
            .data-card .number {
                font-size: 28px;
            }
        }

/* roulang page: category4 */
:root {
            --green: #1A7A3A;
            --green-dark: #0D4D24;
            --lime: #A8FF35;
            --charcoal: #1E1E1E;
            --amber: #F5A623;
            --blue: #4A90D9;
            --red: #E85555;
            --bg-light: #F7F5F0;
            --bg-dark: #121212;
            --text: #1E1E1E;
            --text-light: #5A5A5A;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --card-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-xxl: 64px;
            --spacing-xxxl: 96px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--green);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: var(--green-dark); }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button { cursor: pointer; border: none; background: none; }
        .container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--spacing-lg); }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 240, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: 14px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--green-dark);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            color: var(--charcoal);
            flex-shrink: 0;
        }
        .nav-container { display: flex; align-items: center; gap: var(--spacing-md); flex: 1; justify-content: flex-end; }
        .main-nav { display: flex; align-items: center; gap: 6px; }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover { background: rgba(26, 122, 58, 0.08); color: var(--green); }
        .main-nav a.active { background: var(--green); color: #fff; }
        .nav-chips { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
        .chip {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .chip-warmup { background: rgba(30, 30, 30, 0.06); color: var(--text-light); cursor: not-allowed; opacity: 0.6; }
        .chip-live {
            background: var(--green);
            color: #fff;
            animation: pulse-chip 2s infinite ease-in-out;
            cursor: pointer;
        }
        .chip-live:hover { background: var(--green-dark); color: #fff; transform: translateY(-1px); }
        .chip-replay { background: #e0e0e0; color: #555; cursor: pointer; }
        .chip-replay:hover { background: #ccc; color: #333; transform: translateY(-1px); }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 30px;
            justify-content: center;
            align-items: center;
            border-radius: 8px;
            border: 2px solid var(--border);
            background: #fff;
            transition: border-color var(--transition);
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--charcoal);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle:hover { border-color: var(--green); }
        @keyframes pulse-chip {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.82; }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: var(--spacing-md) 0 0;
            background: transparent;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-custom a { color: var(--green); font-weight: 500; }
        .breadcrumb-custom a:hover { color: var(--green-dark); }
        .breadcrumb-custom .sep { color: var(--border); }
        .breadcrumb-custom .current { color: var(--text); font-weight: 600; }

        /* ========== PAGE HERO ========== */
        .page-hero {
            padding: var(--spacing-xl) 0 var(--spacing-xxl);
            position: relative;
            background: linear-gradient(135deg, rgba(26, 122, 58, 0.06) 0%, rgba(168, 255, 53, 0.08) 100%);
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            margin-bottom: var(--spacing-xl);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(168, 255, 53, 0.15) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .page-hero .hero-text { flex: 1 1 55%; }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(26, 122, 58, 0.1);
            color: var(--green);
            font-size: 13px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 900;
            color: var(--charcoal);
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            letter-spacing: 1px;
        }
        .page-hero h1 .highlight {
            color: var(--green);
            position: relative;
            white-space: nowrap;
        }
        .page-hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 10px;
            background: var(--lime);
            opacity: 0.6;
            border-radius: 4px;
            z-index: -1;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 600px;
            margin-bottom: var(--spacing-lg);
        }
        .page-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .page-hero .stat-mini {
            background: #fff;
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
        }
        .page-hero .stat-mini strong {
            display: block;
            font-size: 22px;
            font-weight: 900;
            color: var(--green);
            letter-spacing: 0.5px;
        }
        .page-hero .stat-mini span {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 500;
        }
        .page-hero .hero-image {
            flex: 0 0 340px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--card-shadow-hover);
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        /* ========== SECTION COMMON ========== */
        section { padding: var(--spacing-xxl) 0; }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--charcoal);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
            line-height: 1.4;
        }
        .section-title .hl { color: var(--green); }
        .section-sub {
            font-size: 16px;
            color: var(--text-light);
            max-width: 700px;
            margin-bottom: var(--spacing-xl);
            line-height: 1.8;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xxl) var(--spacing-xl);
        }
        .section-dark .section-title { color: #fff; }
        .section-dark .section-title .hl { color: var(--lime); }
        .section-dark .section-sub { color: rgba(255, 255, 255, 0.7); }

        /* ========== TIP LIST ========== */
        .tip-list { display: flex; flex-direction: column; gap: var(--spacing-lg); }
        .tip-card {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
            align-items: center;
        }
        .tip-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(26, 122, 58, 0.3);
        }
        .tip-card .tip-img {
            flex: 0 0 220px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .tip-card .tip-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .tip-card:hover .tip-img img { transform: scale(1.05); }
        .tip-card .tip-body { flex: 1 1 300px; }
        .tip-card .tip-tag {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(26, 122, 58, 0.08);
            color: var(--green);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .tip-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--charcoal);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .tip-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .tip-card .tip-meta {
            display: flex;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .tip-card .tip-meta span {
            font-size: 13px;
            color: var(--text-light);
            background: var(--bg-light);
            padding: 4px 10px;
            border-radius: 6px;
        }

        /* ========== TIP GRID ========== */
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .tip-grid .grid-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            transition: all var(--transition);
        }
        .tip-grid .grid-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
        }
        .tip-grid .grid-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--charcoal);
            margin-bottom: 8px;
        }
        .tip-grid .grid-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .tip-grid .grid-card .icon-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--green), var(--lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            color: var(--charcoal);
            margin-bottom: var(--spacing-sm);
        }

        /* ========== MISTAKE / WARNING ========== */
        .mistake-list { display: flex; flex-direction: column; gap: var(--spacing-md); }
        .mistake-item {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            background: rgba(232, 85, 85, 0.05);
            border: 1px solid rgba(232, 85, 85, 0.2);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            transition: all var(--transition);
        }
        .mistake-item:hover { background: rgba(232, 85, 85, 0.08); border-color: rgba(232, 85, 85, 0.35); }
        .mistake-item .num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--red);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
        }
        .mistake-item h4 { font-size: 16px; font-weight: 700; color: var(--charcoal); margin-bottom: 4px; }
        .mistake-item p { font-size: 14px; color: var(--text-light); margin-bottom: 0; line-height: 1.7; }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--card-shadow);
        }
        .faq-accordion .accordion-button {
            font-weight: 700;
            font-size: 16px;
            color: var(--charcoal);
            padding: var(--spacing-md) var(--spacing-lg);
            background: #fff;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(26, 122, 58, 0.05);
            color: var(--green);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 122, 58, 0.25);
            border-color: var(--green);
        }
        .faq-accordion .accordion-body {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.85;
            padding: var(--spacing-md) var(--spacing-lg);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, var(--lime) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xxl) var(--spacing-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 900;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 1px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 999px;
            background: #fff;
            color: var(--green-dark);
            font-weight: 800;
            font-size: 16px;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-cta:hover {
            background: var(--lime);
            color: var(--charcoal);
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xxl) 0 var(--spacing-md);
            margin-top: auto;
            border-top: 3px solid transparent;
            border-image: linear-gradient(90deg, var(--green), var(--lime)) 1;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 400px;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .site-footer .footer-col a:hover { color: var(--lime); }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .site-footer .footer-bottom a:hover { color: var(--lime); }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-hero h1 { font-size: 36px; }
            .page-hero .hero-image { flex: 0 0 280px; }
            .tip-card .tip-img { flex: 0 0 180px; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: flex; }
            .nav-container {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: var(--spacing-md);
                border-bottom: 2px solid var(--border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
                gap: var(--spacing-sm);
            }
            .nav-container.open { display: flex; }
            .main-nav { flex-direction: column; width: 100%; gap: 2px; }
            .main-nav a { width: 100%; text-align: center; padding: 10px 14px; }
            .nav-chips { flex-wrap: wrap; justify-content: center; margin-left: 0; width: 100%; }
            .page-hero h1 { font-size: 30px; }
            .page-hero .hero-image { flex: 0 0 100%; max-width: 400px; margin: 0 auto; }
            .page-hero .hero-image img { height: 220px; }
            .tip-card { flex-direction: column; align-items: flex-start; }
            .tip-card .tip-img { flex: 0 0 auto; width: 100%; }
            .tip-card .tip-img img { height: 200px; width: 100%; }
            .tip-grid { grid-template-columns: 1fr; }
            .site-footer .footer-top { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
            .site-footer .footer-brand { grid-column: 1 / -1; }
            .section-title { font-size: 26px; }
            .cta-section h2 { font-size: 26px; }
        }
        @media (max-width: 520px) {
            .page-hero h1 { font-size: 24px; }
            .page-hero .hero-desc { font-size: 15px; }
            .page-hero .hero-stats { gap: 8px; }
            .page-hero .stat-mini { padding: 8px 12px; }
            .page-hero .stat-mini strong { font-size: 18px; }
            .site-footer .footer-top { grid-template-columns: 1fr; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}