/* ===== 基础变量 ===== */
        :root {
            --primary: #006847;       /* 沙特绿 */
            --primary-dark: #004d35;
            --secondary: #8B4513;     /* 沙漠棕 */
            --accent: #C9A227;        /* 金色点缀 */
            --bg-light: #F8F9FA;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --success: #28a745;
            --white: #ffffff;
            --shadow: 0 10px 40px rgba(0,0,0,0.1);
            --shadow-hover: 0 20px 60px rgba(0,0,0,0.15);
        }

        /* ===== 重置样式 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Tajawal', 'Segoe UI', Tahoma, Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.8;
            overflow-x: hidden;
        }

        /* ===== 顶部信任栏 ===== */
        .trust-bar {
            background: var(--primary);
            color: var(--white);
            text-align: center;
            padding: 8px 16px;
            font-size: 13px;
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }

        .trust-bar span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 主英雄区 ===== */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            padding: 60px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.3;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.15);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            margin-bottom: 20px;
            backdrop-filter: blur(10px);
        }

        .hero h1 {
            font-size: clamp(28px, 5vw, 42px);
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .hero p {
            font-size: 18px;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto 30px;
        }

        /* ===== CTA按钮 ===== */
        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--accent);
            color: var(--text-dark);
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(201, 162, 39, 0.4);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(201, 162, 39, 0.5);
        }

        .cta-button svg {
            width: 24px;
            height: 24px;
        }

        /* ===== 统计数据 ===== */
        .stats-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
            max-width: 800px;
            margin: 40px auto 0;
            padding: 30px;
            background: rgba(255,255,255,0.1);
            border-radius: 16px;
            backdrop-filter: blur(10px);
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
        }

        .stat-label {
            font-size: 13px;
            opacity: 0.9;
        }

        /* ===== 合规声明 ===== */
        .compliance-notice {
            background: var(--white);
            border: 1px solid #e9ecef;
            border-radius: 12px;
            padding: 24px;
            margin: 40px auto;
            max-width: 700px;
            text-align: center;
        }

        .compliance-notice h3 {
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 12px;
        }

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

        /* ===== 特色服务 ===== */
        .features {
            padding: 80px 20px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 32px;
            color: var(--text-dark);
            margin-bottom: 50px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: var(--white);
            padding: 35px 30px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            text-align: center;
            border: 1px solid transparent;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .feature-icon svg {
            width: 36px;
            height: 36px;
            fill: var(--white);
        }

        .feature-card h3 {
            font-size: 20px;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

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

        /* ===== 信任背书 ===== */
        .trust-section {
            background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
            padding: 60px 20px;
        }

        .trust-content {
            max-width: 900px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .trust-item {
            padding: 20px;
        }

        .trust-badge {
            width: 80px;
            height: 80px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 32px;
        }

        .trust-item h4 {
            font-size: 18px;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .trust-item p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ===== 评价/推荐 ===== */
        .testimonials {
            padding: 80px 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 20px;
            right: 25px;
            font-size: 60px;
            color: var(--primary);
            opacity: 0.2;
            font-family: Georgia, serif;
        }

        .testimonial-text {
            font-size: 16px;
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
        }

        .author-info h5 {
            font-size: 15px;
            color: var(--text-dark);
        }

        .author-info span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 常见问题 ===== */
        .faq {
            padding: 80px 20px;
            background: var(--bg-light);
        }

        .faq-content {
            max-width: 700px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            margin-bottom: 16px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: #f8f9fa;
        }

        .faq-question::after {
            content: '+';
            font-size: 24px;
            color: var(--primary);
            transition: transform 0.3s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        /* ===== 最终CTA ===== */
        .final-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            padding: 80px 20px;
            text-align: center;
        }

        .final-cta h2 {
            font-size: clamp(24px, 4vw, 36px);
            margin-bottom: 16px;
        }

        .final-cta p {
            font-size: 18px;
            opacity: 0.9;
            margin-bottom: 30px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .final-cta .cta-button {
            font-size: 20px;
            padding: 18px 50px;
        }

        /* ===== 页脚 ===== */
        footer {
            background: var(--text-dark);
            color: rgba(255,255,255,0.7);
            padding: 40px 20px;
            text-align: center;
            font-size: 13px;
        }

        footer a {
            color: var(--accent);
            text-decoration: none;
        }

        footer p {
            margin-bottom: 10px;
            line-height: 1.8;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .hero {
                padding: 40px 20px;
            }

            .trust-bar {
                gap: 15px;
                font-size: 12px;
            }

            .stats-section {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px;
            }

            .features {
                padding: 50px 20px;
            }

            .section-title {
                font-size: 26px;
            }
        }

        /* ===== 加载动画 ===== */
        .pulse-animation {
            animation: pulse 2s infinite;
        }

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

        /* ===== WhatsApp浮窗 ===== */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            left: 30px;
            z-index: 1000;
        }

        .whatsapp-float a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: #25D366;
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            transition: all 0.3s ease;
        }

        .whatsapp-float a:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
        }

        .whatsapp-float svg {
            width: 32px;
            height: 32px;
            fill: white;
        }