/* 移动端优化CSS - Mobile Optimization CSS */
/* 专门针对移动设备的响应式设计和用户体验优化 */

/* ===== 基础移动端设置 ===== */
@media screen and (max-width: 768px) {
    
    /* 基础布局优化 */
    * {
        box-sizing: border-box;
    }
    
    html {
        font-size: 16px; /* 确保基础字体大小适合移动端 */
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    }
    
    body {
        margin: 0;
        padding: 0;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        line-height: 1.6;
        overflow-x: hidden; /* 防止水平滚动 */
    }
    
    /* 容器优化 */
    .container,
    .wp-block-group__inner-container,
    .entry-content {
        max-width: 100% !important;
        padding: 0 15px !important;
        margin: 0 auto !important;
    }
    
    /* ===== 导航栏移动端优化 ===== */
    .main-navigation,
    .site-header .navigation-wrapper {
        background: #0276B1;
        padding: 10px 0;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .main-navigation ul {
        display: flex;
        flex-direction: column;
        gap: 5px;
        padding: 0 15px;
        margin: 0;
    }
    
    .main-navigation li {
        width: 100%;
        margin: 0;
    }
    
    .main-navigation a {
        display: block;
        padding: 12px 15px !important;
        background: rgba(255, 255, 255, 0.1);
        color: white !important;
        text-decoration: none;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 500;
        text-align: center;
        transition: all 0.3s ease;
        min-height: 44px; /* 确保触摸目标足够大 */
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .main-navigation a:hover,
    .main-navigation .current-menu-item a {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-1px);
    }
    
    /* ===== 标题和文本优化 ===== */
    h1 {
        font-size: 2rem !important;
        line-height: 1.2 !important;
        margin: 20px 0 15px 0 !important;
        text-align: center;
        color: #0276B1;
        font-weight: 700;
    }
    
    h2 {
        font-size: 1.5rem !important;
        line-height: 1.3 !important;
        margin: 25px 0 15px 0 !important;
        color: #013d5b;
        font-weight: 600;
    }
    
    h3 {
        font-size: 1.3rem !important;
        line-height: 1.4 !important;
        margin: 20px 0 10px 0 !important;
        color: #0276B1;
        font-weight: 600;
    }
    
    h4 {
        font-size: 1.1rem !important;
        line-height: 1.4 !important;
        margin: 15px 0 8px 0 !important;
        color: #E31C2E;
        font-weight: 600;
    }
    
    p {
        font-size: 16px !important;
        line-height: 1.6 !important;
        margin: 0 0 15px 0 !important;
        color: #333;
        text-align: left;
    }
    
    /* ===== 按钮和链接优化 ===== */
    .wp-block-button,
    .cta-button,
    button,
    input[type="submit"],
    .btn {
        width: 100% !important;
        max-width: 300px !important;
        margin: 15px auto !important;
        display: block !important;
        padding: 15px 20px !important;
        font-size: 16px !important;
        font-weight: 600 !important;
        border-radius: 8px !important;
        border: none !important;
        background: linear-gradient(135deg, #E31C2E 0%, #c41e3a 100%) !important;
        color: white !important;
        text-decoration: none !important;
        text-align: center !important;
        min-height: 50px !important;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(227, 28, 46, 0.3);
    }
    
    .wp-block-button:hover,
    .cta-button:hover,
    button:hover,
    input[type="submit"]:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 6px 20px rgba(227, 28, 46, 0.4) !important;
    }
    
    /* 次要按钮样式 */
    .wp-block-button.is-style-outline,
    .btn-secondary {
        background: transparent !important;
        color: #0276B1 !important;
        border: 2px solid #0276B1 !important;
        box-shadow: none !important;
    }
    
    .wp-block-button.is-style-outline:hover,
    .btn-secondary:hover {
        background: #0276B1 !important;
        color: white !important;
    }
    
    /* ===== 表单优化 ===== */
    form {
        padding: 20px 15px;
        background: #f8f9fa;
        border-radius: 12px;
        margin: 20px 0;
    }
    
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="password"],
    textarea,
    select {
        width: 100% !important;
        padding: 15px !important;
        font-size: 16px !important; /* 防止iOS缩放 */
        border: 2px solid #e9ecef !important;
        border-radius: 8px !important;
        margin: 8px 0 15px 0 !important;
        background: white !important;
        color: #333 !important;
        min-height: 50px !important;
        box-sizing: border-box;
    }
    
    input:focus,
    textarea:focus,
    select:focus {
        border-color: #0276B1 !important;
        outline: none !important;
        box-shadow: 0 0 0 3px rgba(2, 118, 177, 0.1) !important;
    }
    
    label {
        display: block !important;
        font-weight: 600 !important;
        color: #013d5b !important;
        margin-bottom: 5px !important;
        font-size: 14px !important;
    }
    
    /* ===== 卡片和内容块优化 ===== */
    .wp-block-group,
    .info-card,
    .content-block,
    .card {
        background: white;
        border-radius: 12px;
        padding: 20px 15px !important;
        margin: 15px 0 !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        border: 1px solid #e9ecef;
    }
    
    /* ===== 图片优化 ===== */
    img {
        max-width: 100% !important;
        height: auto !important;
        border-radius: 8px;
        margin: 10px 0;
        display: block;
    }
    
    .wp-block-image,
    .aligncenter {
        text-align: center;
        margin: 20px 0;
    }
    
    /* ===== 列表优化 ===== */
    ul, ol {
        padding-left: 20px !important;
        margin: 15px 0 !important;
    }
    
    li {
        margin: 8px 0 !important;
        line-height: 1.6 !important;
        font-size: 16px !important;
    }
    
    /* ===== 表格优化 ===== */
    table {
        width: 100% !important;
        border-collapse: collapse;
        margin: 20px 0;
        font-size: 14px;
        overflow-x: auto;
        display: block;
        white-space: nowrap;
    }
    
    th, td {
        padding: 12px 8px !important;
        border: 1px solid #e9ecef;
        text-align: left;
    }
    
    th {
        background: #f8f9fa;
        font-weight: 600;
        color: #013d5b;
    }
    
    /* ===== 页脚优化 ===== */
    .site-footer,
    footer {
        padding: 30px 15px !important;
        background: #013d5b;
        color: white;
        text-align: center;
    }
    
    .footer-navigation {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin: 20px 0;
    }
    
    .footer-navigation a {
        color: white !important;
        text-decoration: none;
        padding: 10px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 6px;
        font-size: 14px;
        transition: all 0.3s ease;
    }
    
    .footer-navigation a:hover {
        background: rgba(255, 255, 255, 0.2);
    }
    
    /* ===== 特殊内容优化 ===== */
    .hero-section {
        padding: 40px 15px !important;
        text-align: center;
        background: linear-gradient(135deg, #0276B1 0%, #013d5b 100%);
        color: white;
    }
    
    .hero-title {
        font-size: 2.2rem !important;
        margin-bottom: 15px !important;
        font-weight: 700;
    }
    
    .hero-subtitle {
        font-size: 1.1rem !important;
        margin-bottom: 25px !important;
        opacity: 0.9;
    }
    
    /* ===== 可访问性优化 ===== */
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    
    /* 焦点状态优化 */
    *:focus {
        outline: 3px solid #0276B1;
        outline-offset: 2px;
    }
    
    /* ===== 性能优化 ===== */
    .lazy-load {
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .lazy-load.loaded {
        opacity: 1;
    }
    
    /* ===== 隐藏桌面端元素 ===== */
    .desktop-only {
        display: none !important;
    }
    
    .mobile-only {
        display: block !important;
    }
}

/* ===== 超小屏幕优化 (iPhone SE等) ===== */
@media screen and (max-width: 375px) {
    h1 {
        font-size: 1.8rem !important;
    }
    
    .container {
        padding: 0 10px !important;
    }
    
    .wp-block-button,
    .cta-button {
        font-size: 14px !important;
        padding: 12px 15px !important;
    }
    
    .main-navigation a {
        font-size: 14px !important;
        padding: 10px 12px !important;
    }
}

/* ===== 横屏模式优化 ===== */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: 20px 15px !important;
    }
    
    .hero-title {
        font-size: 1.8rem !important;
        margin-bottom: 10px !important;
    }
    
    .main-navigation ul {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-navigation li {
        width: auto;
        flex: 1;
        min-width: 120px;
    }
}