/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        html,
        body {
            height: 100%;
            overflow-x: hidden;
        }

        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
        }

        /* 顶部导航 - 全屏宽度 */
        .top-nav {
            width: 100%;
            background-color: #fff;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 25px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 600;
            color: #2c3e50;
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            margin-right: 12px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 35px;
        }

        .nav-links a {
            color: #2c3e50;
            text-decoration: none;
            font-weight: 500;
            font-size: 18px;
            position: relative;
            padding: 8px 0;
            transition: all 0.3s;
        }

        .nav-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: #3498db;
            bottom: 0;
            left: 0;
            transition: width 0.3s;
        }

        .nav-links a:hover {
            color: #3498db;
        }

        .nav-links a:hover:after {
            width: 100%;
        }

        .menu-toggle {
            display: none;
            font-size: 24px;
            color: #2c3e50;
            cursor: pointer;
        }

        /* 主内容区域 */
        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* 苗族风格英雄区 */
        .hero {
            background: url('https://via.placeholder.com/1920x1080?text=Miao+Culture') center/cover no-repeat;
            height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
            color: white;
            text-align: center;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(22, 33, 61, 0.7);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            letter-spacing: 3px;
        }

        .hero p {
            font-size: 1.5rem;
            max-width: 800px;
            margin: 0 auto 40px;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .btn {
            display: inline-block;
            padding: 15px 35px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            font-size: 1.1rem;
            letter-spacing: 1px;
        }

        .btn-primary {
            background-color: #c12c1f;
            color: white;
            border: 2px solid #c12c1f;
        }

        .btn-primary:hover {
            background-color: transparent;
            color: white;
        }

        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        /* 文化特色业务板块 */
        .culture-section {
            padding: 80px 0;
            background-color: #fff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: #16213d;
            margin-bottom: 15px;
            display: inline-block;
            position: relative;
        }

        .section-title h2::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: #c12c1f;
        }

        .section-title p {
            color: #666;
            max-width: 700px;
            margin: 0 auto;
            font-size: 1.1rem;
        }

        .culture-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .culture-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
            position: relative;
        }

        .culture-card:hover {
            transform: translateY(-10px);
        }

        .culture-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            background: #d4af37;
            color: #16213d;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .culture-img {
            height: 250px;
            background-size: cover;
            background-position: center;
        }

        .culture-content {
            padding: 25px;
            border-top: 3px solid #d4af37;
        }

        .culture-content h3 {
            color: #16213d;
            margin-bottom: 15px;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
        }

        .culture-content h3::before {
            content: "❧";
            margin-right: 10px;
            color: #c12c1f;
        }

        .culture-content p {
            color: #666;
            margin-bottom: 20px;
        }

        .culture-link {
            color: #c12c1f;
            text-decoration: none;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
        }

        .culture-link::after {
            content: "→";
            margin-left: 8px;
            transition: margin-left 0.3s;
        }

        .culture-link:hover::after {
            margin-left: 15px;
        }

        /* 苗族特色分隔线 */
        .divider {
            height: 100px;
            background: url('https://via.placeholder.com/1200x100?text=Miao+Pattern') center/cover repeat-x;
            opacity: 0.8;
        }

        /* 文化传承故事 */
        .story-section {
            padding: 80px 0;
            background: linear-gradient(rgba(248, 246, 240, 0.9), rgba(248, 246, 240, 0.9)),
                url('https://via.placeholder.com/1200x800?text=Miao+Texture') center/cover;
        }

        .story-container {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .story-img {
            flex: 1;
            min-height: 400px;
            background: url('https://via.placeholder.com/600x800?text=Miao+Elder') center/cover;
            border-radius: 10px;
            box-shadow: 10px 10px 0 #d4af37;
        }

        .story-text {
            flex: 1;
        }

        .story-text h2 {
            color: #16213d;
            font-size: 2.2rem;
            margin-bottom: 25px;
            line-height: 1.3;
        }

        .story-text p {
            color: #555;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .story-quote {
            font-style: italic;
            color: #c12c1f;
            padding: 20px;
            border-left: 3px solid #d4af37;
            margin: 30px 0;
            background: rgba(255, 255, 255, 0.7);
        }


        /* 响应式设计 */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .hero h1 {
                font-size: 2.8rem;
            }

            .story-container {
                flex-direction: column;
            }

            .story-img {
                width: 100%;
            }

            .footer-container {
                flex-direction: column;
            }

            .qr-codes {
                margin-top: 20px;
                justify-content: flex-start;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }

            .hero p {
                font-size: 1.2rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 80%;
                text-align: center;
            }

            .culture-grid {
                grid-template-columns: 1fr;
            }

            .nav-container {
                padding: 20px;
            }

            .logo {
                font-size: 20px;
            }
        }

        /* 移动菜单 */
        .mobile-menu {
            position: fixed;
            top: 91px;
            left: 0;
            width: 100%;
            background: #fff;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transform: translateY(-150%);
            opacity: 0;
            transition: all 0.4s ease;
            z-index: 999;
        }

        .mobile-menu.active {
            transform: translateY(0);
            opacity: 1;
        }

        .mobile-menu ul {
            list-style: none;
            padding: 20px 0;
        }

        .mobile-menu li {
            padding: 15px 20px;
            border-bottom: 1px solid #eee;
        }

        .mobile-menu a {
            color: #2c3e50;
            text-decoration: none;
            font-size: 18px;
            display: block;
            transition: all 0.3s;
        }

        .mobile-menu a:hover {
            color: #3498db;
            padding-left: 10px;
        }