* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
        }
        body {
            background-color: #f5f3f0;
            color: #2e2a24;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #b45f2b;
        }
        /* 头部导航 */
        .header {
            background: linear-gradient(145deg, #1f3a3f 0%, #163136 100%);
            color: #f2e9d0;
            padding: 0.8rem 1.5rem;
            /*position: sticky;*/
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1300px;
            margin: 0 auto;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: #dbbd9a;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 5px #00000033;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            list-style: none;
            font-weight: 500;
        }
        .nav-menu li a {
            color: #f2e9d0;
            font-size: 1.1rem;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu li a:hover {
            border-bottom-color: #e3b37c;
            color: #ffd9a3;
        }
        /* banner区域 */
        .banner {
            background: linear-gradient(127deg, #332e26 0%, #4d4437 100%);
            color: #fff3e0;
            text-align: center;
            padding: 3rem 1.5rem;
            border-bottom: 6px solid #b48c5c;
        }
        .banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 3px 3px 0 #2b4a4f;
        }
        .banner p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0.5rem auto 1.8rem;
            opacity: 0.95;
        }
        .banner-btns {
            display: flex;
            gap: 1.2rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            background-color: #e3b37c;
            color: #1e2f32;
            padding: 0.9rem 2.2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.2rem;
            border: none;
            box-shadow: 0 6px 0 #8b6d48;
            transition: 0.1s ease;
            display: inline-block;
            border: 1px solid #ffddb0;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 0 #8b6d48;
            background-color: #f0c48b;
        }
        .btn-outline {
            background: transparent;
            box-shadow: 0 0 0 2px #e3b37c inset;
            color: #f2e9d0;
            border: 1px solid #e3b37c;
        }
        /* 主要内容区 */
        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 2.5rem 1.5rem;
        }
        section {
            scroll-margin-top: 80px;
            margin-bottom: 4rem;
            background: #ffffffd9;
            backdrop-filter: blur(2px);
            padding: 2rem 2rem;
            border-radius: 36px 12px 36px 12px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #ece3d7;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #244449;
            border-left: 12px solid #b48c5c;
            padding-left: 1.5rem;
            margin-bottom: 2rem;
        }
        .grid-2, .grid-3 {
            display: grid;
            gap: 2rem;
        }
        .grid-2 { grid-template-columns: repeat(2,1fr); }
        .grid-3 { grid-template-columns: repeat(3,1fr); }
        .card {
            background: #fcf9f4;
            padding: 1.5rem;
            border-radius: 24px;
            border: 1px solid #e9dbc9;
        }
        .card h3 {
            font-size: 1.6rem;
            color: #3d2f1d;
            margin-bottom: 1rem;
        }
        strong, b {
            color: #b45f2b;
            font-weight: 700;
        }
        .highlight {
            background: #faeedb;
            padding: 0.2rem 0.3rem;
            border-radius: 6px;
        }
        ul, ol { padding-left: 1.8rem; margin: 1rem 0; }
        li { margin: 0.4rem 0; }
        /* 常见问题 */
        .faq-item {
            border-bottom: 1px dashed #d0b89a;
            padding: 1.2rem 0;
        }
        .faq-question {
            font-size: 1.3rem;
            font-weight: 600;
            color: #2a4b4f;
            cursor: default;
        }
        .faq-answer {
            margin-top: 0.4rem;
            color: #3a342c;
        }
        /* 热门平台按钮组 */
        .platform-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            margin: 2rem 0 0.5rem;
            padding: 0;
            list-style: none;
        }
        .platform-btn {
            background: #f0e4d2;
            border: 2px solid #b48c5c;
            color: #2d3e41;
            padding: 0.8rem 1.6rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1.2rem;
            box-shadow: 0 5px 0 #8f7351;
            transition: 0.1s;
            display: inline-block;
            min-width: 160px;
            text-align: center;
        }
        .platform-btn:hover {
            background: #e3b37c;
            transform: translateY(-3px);
            box-shadow: 0 8px 0 #8f7351;
        }
        /* 底部 */
        .footer {
            background: #1c2f33;
            color: #cdc2b0;
            padding: 2.5rem 1.5rem 1.5rem;
            text-align: center;
            border-top: 6px solid #946b42;
        }
        .footer .platform-list a {
            color: #1c2f33;
        }
        .copyright {
            margin-top: 2.5rem;
            font-size: 0.95rem;
            border-top: 1px solid #3e555a;
            padding-top: 1.8rem;
        }
        /* 移动端优化 */
        @media (max-width: 800px) {
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .nav-container { flex-direction: column; gap: 0.8rem; }
            .banner h1 { font-size: 2rem; }
            .section-title { font-size: 1.8rem; }
        }
        @media (max-width: 480px) {
            .platform-btn { min-width: 120px; font-size: 1rem; padding: 0.6rem 1rem;}
            .btn { padding: 0.7rem 1.5rem; }
        }
        /* 站内链接 */
        .inner-link {
            color: #946b42;
            font-weight: 600;
            border-bottom: 1px dotted #946b42;
        }