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

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #fefcf8;
            color: #1e1a15;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        /* 容器 */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部样式 */
        .header {
            background: #0a0704;
            color: #e9d6b0;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo h1 {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f5e7b2, #d4af37);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo p {
            font-size: 0.75rem;
            color: #c6b177;
            letter-spacing: 1px;
        }
        .nav-links {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #f0e5cf;
            text-decoration: none;
            font-weight: 500;
            transition: 0.2s;
            font-size: 1rem;
        }
        .nav-links a:hover {
            color: #e6c468;
        }

        /* 通用区块间距 */
        .section {
            padding: 70px 0;
            border-bottom: 1px solid #f0e3d0;
        }
        .section:last-child {
            border-bottom: none;
        }
        .section-title {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 48px;
            position: relative;
            font-weight: 700;
            color: #2c241a;
        }
        .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background: #d4af37;
            margin: 16px auto 0;
            border-radius: 4px;
        }

        /* 英雄区 */
        .hero {
            background: linear-gradient(135deg, #1c140c 0%, #2f241b 100%);
            color: #fff4e2;
            text-align: center;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 32px;
            opacity: 0.9;
        }
        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
        }
        .btn-primary {
            background: #d4af37;
            color: #1e1a15;
            box-shadow: 0 8px 18px rgba(0,0,0,0.2);
        }
        .btn-primary:hover {
            background: #c6a229;
            transform: translateY(-2px);
        }
        .btn-outline {
            border: 2px solid #d4af37;
            color: #d4af37;
            background: transparent;
        }
        .btn-outline:hover {
            background: #d4af37;
            color: #1e1a15;
        }

        /* 卡片网格 */
        .grid-3, .grid-4, .feature-grid, .why-grid, .steps-grid, .reviews-grid, .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 32px;
        }
        .card {
            background: #ffffff;
            border-radius: 28px;
            padding: 28px 22px;
            box-shadow: 0 12px 28px rgba(0,0,0,0.05);
            transition: 0.25s ease;
            border: 1px solid #f5ebdb;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 30px rgba(0,0,0,0.1);
        }
        .card-icon {
            font-size: 2.8rem;
            color: #d4af37;
            margin-bottom: 20px;
        }
        .card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .rule-list {
            list-style: none;
        }
        .rule-list li {
            margin-bottom: 12px;
            padding-left: 28px;
            position: relative;
        }
        .rule-list li i {
            position: absolute;
            left: 0;
            top: 4px;
            color: #d4af37;
        }

        /* 步骤样式 */
        .step {
            text-align: center;
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: #d4af37;
            color: #1e1a15;
            font-size: 1.5rem;
            font-weight: bold;
            border-radius: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        /* FAQ样式 */
        .faq-item {
            background: #fff;
            margin-bottom: 16px;
            border-radius: 20px;
            border: 1px solid #f0e0cf;
            overflow: hidden;
        }
        .faq-question {
            background: #fef9f0;
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: 0.2s;
        }
        .faq-question i {
            color: #d4af37;
            transition: transform 0.2s;
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.2s;
            background: white;
            color: #3e342a;
        }
        .faq-item.active .faq-answer {
            padding: 18px 24px 24px 24px;
            max-height: 300px;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* 评价 */
        .review {
            background: #fffcf7;
        }
        .review-text {
            font-style: italic;
            margin-bottom: 16px;
            color: #2e2a26;
        }
        .reviewer {
            font-weight: 700;
            color: #b98f2b;
        }

        /* 页脚 */
        .footer {
            background: #0e0b07;
            color: #cfc5b0;
            padding: 48px 0 24px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .footer-col p {
            margin: 8px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid #2f2a22;
            font-size: 0.85rem;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .header .container {
                flex-direction: column;
                gap: 12px;
            }
            .nav-links {
                gap: 18px;
                justify-content: center;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 50px 0;
            }
        }