:root {
            --page-bg-color: #000000;
            --text-color-light: #FFFFFF;
            --text-color-dark: #333333;
            --text-color-accent: #FFD700; /* Yellow for accents */
            --primary-brand-color: #26A9E0; /* Blue for primary actions */
            --login-button-color: #EA7C07; /* Orange for login button */
            --border-color-light: rgba(255, 255, 255, 0.2);
            --card-bg-color: rgba(255, 255, 255, 0.05); /* Slightly transparent white on black */
            --hover-color: #FFEB3B; /* Lighter yellow for hover */
            --shadow-color: rgba(0, 0, 0, 0.5);
        }

        .page-7ball {
            background-color: var(--page-bg-color);
            color: var(--text-color-light);
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            padding-top: 10px; /* Small top padding, body handles header offset */
            overflow-x: hidden;
        }

        .page-7ball__container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            box-sizing: border-box;
        }

        .page-7ball__hero-section {
            text-align: center;
            padding-bottom: 30px;
            position: relative;
        }

        .page-7ball__hero-image {
            width: 100%;
            height: auto;
            display: block;
            margin: 0 auto;
            border-radius: 8px;
            max-width: 100%;
        }

        .page-7ball__hero-content {
            margin-top: 20px;
            padding: 0 15px;
        }

        .page-7ball__hero-content h1 {
            font-size: 2.5em;
            color: var(--text-color-accent);
            margin-bottom: 15px;
            line-height: 1.2;
            font-weight: bold;
        }

        .page-7ball__hero-content p {
            font-size: 1.1em;
            margin-bottom: 25px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .page-7ball__btn-primary,
        .page-7ball__btn-login-float {
            display: inline-block;
            background-color: var(--primary-brand-color);
            color: var(--text-color-light);
            padding: 14px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1em;
            transition: background-color 0.3s ease, transform 0.3s ease;
            border: none;
            cursor: pointer;
            box-sizing: border-box;
            white-space: normal;
            word-wrap: break-word;
        }

        .page-7ball__btn-primary:hover,
        .page-7ball__btn-login-float:hover {
            background-color: var(--hover-color);
            color: var(--text-color-dark);
            transform: translateY(-2px);
        }

        .page-7ball__btn-secondary {
            display: inline-block;
            background-color: transparent;
            color: var(--text-color-accent);
            border: 2px solid var(--text-color-accent);
            padding: 12px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1em;
            transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
            box-sizing: border-box;
            white-space: normal;
            word-wrap: break-word;
        }

        .page-7ball__btn-secondary:hover {
            background-color: var(--text-color-accent);
            color: var(--text-color-dark);
            transform: translateY(-2px);
        }

        .page-7ball__section-title {
            font-size: 2em;
            color: var(--text-color-accent);
            text-align: center;
            margin-top: 40px;
            margin-bottom: 30px;
            font-weight: bold;
            padding: 0 15px;
        }

        .page-7ball__text-block {
            max-width: 900px;
            margin: 0 auto 30px auto;
            padding: 0 15px;
            font-size: 1.05em;
        }

        .page-7ball__text-block h2 {
            color: var(--primary-brand-color);
            font-size: 1.8em;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        .page-7ball__text-block h3 {
            color: var(--text-color-accent);
            font-size: 1.4em;
            margin-top: 25px;
            margin-bottom: 10px;
        }

        .page-7ball__text-block ul {
            list-style-type: disc;
            margin-left: 25px;
            margin-bottom: 20px;
        }

        .page-7ball__text-block ol {
            list-style-type: decimal;
            margin-left: 25px;
            margin-bottom: 20px;
        }

        .page-7ball__text-block li {
            margin-bottom: 8px;
            box-sizing: border-box;
            word-wrap: break-word;
        }

        .page-7ball__game-categories {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            padding: 20px 15px;
            max-width: 1200px;
            margin: 0 auto 40px auto;
        }

        .page-7ball__game-card {
            background-color: var(--card-bg-color);
            border-radius: 12px;
            overflow: hidden;
            text-align: center;
            padding: 20px;
            box-shadow: 0 4px 15px var(--shadow-color);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid var(--border-color-light);
            text-decoration: none;
            color: var(--text-color-light);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .page-7ball__game-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7);
        }

        .page-7ball__game-card img {
            width: 100%;
            max-width: 250px;
            height: auto;
            margin: 0 auto 15px auto;
            border-radius: 8px;
            display: block;
        }

        .page-7ball__game-card h3 {
            color: var(--text-color-accent);
            font-size: 1.3em;
            margin-bottom: 10px;
        }

        .page-7ball__game-card p {
            font-size: 0.95em;
            flex-grow: 1;
            margin-bottom: 15px;
        }

        .page-7ball__promotions-section {
            background: linear-gradient(135deg, rgba(38, 169, 224, 0.1), rgba(0, 0, 0, 0.5));
            padding: 50px 20px;
            text-align: center;
            margin-bottom: 40px;
            border-radius: 12px;
        }

        .page-7ball__promotions-section h2 {
            color: var(--text-color-accent);
            margin-bottom: 25px;
        }

        .page-7ball__promotions-section p {
            font-size: 1.1em;
            max-width: 800px;
            margin: 0 auto 30px auto;
        }

        .page-7ball__provider-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
            margin-bottom: 50px;
            padding: 0 15px;
        }

        .page-7ball__provider-logos img {
            height: 80px; /* Controlled by CSS as per gamelogo requirement */
            width: auto;
            max-width: 150px;
            object-fit: contain;
            transition: transform 0.3s ease;
            display: block;
        }

        .page-7ball__provider-logos img:hover {
            transform: scale(1.05);
        }

        .page-7ball__faq-section {
            padding: 40px 15px;
            max-width: 900px;
            margin: 0 auto 50px auto;
        }

        .page-7ball__faq-item {
            background-color: var(--card-bg-color);
            border-radius: 8px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color-light);
            overflow: hidden;
        }

        .page-7ball__faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            font-size: 1.1em;
            font-weight: bold;
            color: var(--primary-brand-color);
            transition: background-color 0.3s ease;
        }

        .page-7ball__faq-question:hover {
            background-color: rgba(38, 169, 224, 0.1);
        }

        .page-7ball__faq-question h3 {
            margin: 0;
            color: inherit;
            font-size: 1.1em;
            pointer-events: none; /* Prevent h3 from blocking click event */
        }

        .page-7ball__faq-toggle {
            font-size: 1.5em;
            font-weight: bold;
            pointer-events: none; /* Prevent toggle icon from blocking click event */
            color: var(--text-color-accent);
        }

        .page-7ball__faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 20px;
            opacity: 0;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
            color: var(--text-color-light);
            font-size: 0.95em;
        }

        .page-7ball__faq-item.active .page-7ball__faq-answer {
            max-height: 2000px !important;
            padding: 20px !important;
            opacity: 1;
        }

        .page-7ball__cta-final {
            text-align: center;
            background-color: rgba(38, 169, 224, 0.1);
            padding: 60px 20px;
            margin-top: 40px;
            border-radius: 12px;
            margin-bottom: 50px;
        }

        .page-7ball__cta-final h2 {
            color: var(--text-color-accent);
            font-size: 2.2em;
            margin-bottom: 20px;
        }

        .page-7ball__cta-final p {
            font-size: 1.1em;
            max-width: 700px;
            margin: 0 auto 30px auto;
        }

        .page-7ball__social-media {
            text-align: center;
            padding: 30px 15px;
            margin-bottom: 40px;
        }

        .page-7ball__social-media h2 {
            color: var(--text-color-accent);
            margin-bottom: 25px;
        }

        .page-7ball__social-icons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }

        .page-7ball__social-icon-link {
            display: inline-block;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--card-bg-color);
            display: flex;
            justify-content: center;
            align-items: center;
            transition: background-color 0.3s ease, transform 0.3s ease;
            border: 1px solid var(--border-color-light);
        }

        .page-7ball__social-icon-link:hover {
            background-color: var(--primary-brand-color);
            transform: scale(1.1);
        }

        .page-7ball__social-icon-link img {
            width: 30px;
            height: 30px;
            display: block;
        }

        .page-7ball__btn-login-float {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: var(--login-button-color);
            color: var(--text-color-light);
            padding: 15px 25px;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
            z-index: 1000;
            animation: pulse 2s infinite;
            font-size: 1.1em;
            text-decoration: none;
            font-weight: bold;
            display: block;
            max-width: 250px;
            text-align: center;
            box-sizing: border-box;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* Responsive styles */
        @media (max-width: 1024px) {
            .page-7ball__hero-content h1 {
                font-size: 2.2em;
            }
            .page-7ball__hero-content p {
                font-size: 1em;
            }
            .page-7ball__section-title {
                font-size: 1.8em;
            }
            .page-7ball__text-block h2 {
                font-size: 1.6em;
            }
            .page-7ball__text-block h3 {
                font-size: 1.3em;
            }
            .page-7ball__game-categories {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
            .page-7ball__btn-primary, .page-7ball__btn-secondary, .page-7ball__btn-login-float {
                padding: 12px 25px;
                font-size: 1em;
            }
        }

        @media (max-width: 768px) {
            /* HERO 主图区域 */
            .page-7ball__hero-section {
                padding-top: 10px !important;
                padding-bottom: 20px;
            }
            .page-7ball__hero-content h1 {
                font-size: 1.8em;
                padding: 0 10px;
            }
            .page-7ball__hero-content p {
                font-size: 0.95em;
                padding: 0 15px;
            }

            /* 通用图片与容器 */
            .page-7ball img {
                max-width: 100% !important;
                width: 100% !important;
                height: auto !important;
                display: block;
            }
            .page-7ball__container,
            .page-7ball__text-block,
            .page-7ball__promotions-section,
            .page-7ball__faq-section,
            .page-7ball__cta-final,
            .page-7ball__social-media {
                max-width: 100% !important;
                width: 100% !important;
                box-sizing: border-box !important;
                padding-left: 15px;
                padding-right: 15px;
            }
            .page-7ball__section-title {
                font-size: 1.5em;
                margin-top: 30px;
                margin-bottom: 20px;
            }

            /* 产品展示图区域 */
            .page-7ball__game-categories {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            .page-7ball__game-card {
                padding: 15px;
            }
            .page-7ball__game-card img {
                max-width: 180px;
            }

            /* 按钮与按钮容器 */
            .page-7ball__btn-primary,
            .page-7ball__btn-secondary,
            .page-7ball a[class*="button"],
            .page-7ball a[class*="btn"] {
                max-width: 100% !important;
                width: 100% !important;
                box-sizing: border-box !important;
                white-space: normal !important;
                word-wrap: break-word !important;
                padding-left: 15px;
                padding-right: 15px;
                font-size: 1em;
                margin-bottom: 10px;
            }
            .page-7ball__cta-buttons,
            .page-7ball__button-group,
            .page-7ball__btn-container {
                max-width: 100% !important;
                width: 100% !important;
                box-sizing: border-box !important;
                padding-left: 15px;
                padding-right: 15px;
                flex-direction: column !important;
                gap: 10px;
            }
            .page-7ball__btn-login-float {
                max-width: calc(100% - 40px) !important;
                width: calc(100% - 40px) !important;
                left: 20px;
                right: 20px;
                margin: 0 auto;
                font-size: 1em;
            }

            /* 其他内容模块 */
            .page-7ball__text-block {
                font-size: 1em;
            }
            .page-7ball__text-block ul,
            .page-7ball__text-block ol {
                margin-left: 20px;
            }
            .page-7ball__text-block li {
                width: 100% !important;
                max-width: 100% !important;
                box-sizing: border-box !important;
                margin-left: 0 !important;
                margin-right: 0 !important;
                word-wrap: break-word !important;
                overflow-wrap: break-word !important;
                word-break: break-word !important;
            }
            .page-7ball__faq-question {
                font-size: 1em;
                padding: 15px;
            }
            .page-7ball__faq-question h3 {
                font-size: 1em;
            }
            .page-7ball__faq-answer {
                padding: 15px !important;
                font-size: 0.9em;
            }
            .page-7ball__provider-logos img {
                height: 60px;
                max-width: 120px;
            }
            .page-7ball__social-icon-link {
                width: 45px;
                height: 45px;
            }
            .page-7ball__social-icon-link img {
                width: 25px;
                height: 25px;
            }
        }

        @media (max-width: 480px) {
            .page-7ball__hero-content h1 {
                font-size: 1.6em;
            }
            .page-7ball__section-title {
                font-size: 1.3em;
            }
            .page-7ball__btn-primary, .page-7ball__btn-secondary, .page-7ball__btn-login-float {
                font-size: 0.9em;
                padding: 10px 20px;
            }
            .page-7ball__cta-final h2 {
                font-size: 1.8em;
            }
        }