/* --- 1. 全局与基础样式 (食品品牌专属 - 修正版) --- */
:root {
    --primary-color: #FF7F24; /* 主色：暖橙 (食品级活力色) */
    --secondary-color: #FF9F45; /* 辅助色：浅橙 */
    --dark-color: #5A3E2B; /* 深色：深棕 (巧克力色，用于文字/标题) */
    --light-color: #FFF9F2; /* 浅色：米白 (奶油色，用于背景) */
    --text-color: #6B4B34; /* 文本色：浅棕 (饼干色) */
    --border-color: #F5E6D8; /* 边框色：浅米色 */
    --white-color: #FFFFFF; /* 纯白 */
    --shadow: 0 4px 15px rgba(255, 127, 36, 0.12); /* 柔和暖色阴影 */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif; /* 适配中文食品品牌 */
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white-color);
    display: flex; flex-direction: column; min-height: 100vh;
    font-weight: 400;
}
main { flex: 1; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* 标题样式：圆润+暖棕 */
h1, h2, h3, h4 { color: var(--dark-color); margin-bottom: 1rem; font-weight: 600; }
h2 { 
    font-size: 2.2rem; 
    text-align: center; 
    margin-bottom: 3rem; 
    position: relative; 
    color: var(--dark-color);
}
/* 标题下方的装饰线 (类似奶油涂抹效果) */
h2::after { 
    content: ''; 
    position: absolute; 
    bottom: -10px; 
    left: 50%; 
    transform: translateX(-50%); 
    width: 80px; 
    height: 4px; 
    background-color: var(--primary-color); 
    border-radius: 4px; 
}

/* 区块样式：柔和间距+米白背景交替 */
section { padding: 70px 0; }
section:nth-of-type(odd) { background-color: var(--light-color); }

/* 按钮：食品风格圆角+暖橙渐变 */
.btn {
    display: inline-block; 
    padding: 12px 32px; 
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color); 
    text-decoration: none; 
    border-radius: 50px; /* 圆润按钮，像糖果一样 */
    font-weight: 600;
    transition: all 0.3s ease; 
    border: none; 
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(255, 127, 36, 0.25);
}
.btn:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 6px 15px rgba(255, 127, 36, 0.4);
    color: #fff;
}

/* --- 2. 头部与导航 (食品品牌简洁风) --- */
.main-header { 
    background-color: var(--white-color); 
    box-shadow: 0 2px 10px rgba(255, 127, 36, 0.08); 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    width: 100%; 
}
.main-header .container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { 
    font-size: 1.8rem; 
    font-weight: bold; 
    color: var(--dark-color); 
    text-decoration: none; 
    letter-spacing: 0.5px;
}
.main-nav ul { display: flex; list-style: none; }
.main-nav ul li { margin-left: 30px; }
.main-nav ul li a { 
    text-decoration: none; 
    color: var(--text-color); 
    font-weight: 500; 
    position: relative; 
    padding: 5px 0;
    transition: color 0.3s ease;
}
/* 导航下划线动画 */
.main-nav ul li a::after { 
    content: ''; 
    position: absolute; 
    bottom: 0; 
    left: 0; 
    width: 0; 
    height: 3px; 
    background-color: var(--primary-color); 
    border-radius: 2px;
    transition: width 0.3s ease; 
}
.main-nav ul li a:hover { color: var(--primary-color); }
.main-nav ul li a:hover::after, .main-nav ul li a.active::after { width: 100%; }
.main-nav ul li a.active { color: var(--primary-color); font-weight: 600; }
.menu-toggle { 
    display: none; 
    cursor: pointer; 
    background: none; 
    border: none; 
    font-size: 1.5rem; 
    color: var(--dark-color); 
    padding: 5px;
}

/* --- 3. 英雄区域 (食品视觉焦点) --- */
#hero {
    background: linear-gradient(135deg, #FF9F45 0%, #FF7F24 100%); /* 暖橙渐变 */
    color: var(--white-color); 
    height: 75vh; 
    min-height: 480px;
    display: flex; 
    align-items: center; 
    justify-content: center; 
    text-align: center; 
    padding: 0 20px;
    position: relative;
    overflow: hidden;
}
/* 英雄区纹理：模拟食品包装纸纹理 */
#hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    /* 使用SVG图案增加质感 */
    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='0.1'%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;
    pointer-events: none; /* 防止遮挡点击 */
}
/* 修正：确保内容在纹理上方 */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}
#hero h1 { 
    font-size: 3.2rem; 
    color: var(--white-color); 
    margin-bottom: 1rem; 
    text-shadow: 0 2px 8px rgba(90, 62, 43, 0.1);
}
#hero p { 
    font-size: 1.25rem; 
    margin: 0 auto 2rem; 
    opacity: 0.95;
    text-shadow: 0 1px 3px rgba(90, 62, 43, 0.1);
    font-weight: 500;
}
/* Hero按钮样式微调 */
#hero .btn {
    background: var(--white-color);
    color: var(--primary-color);
}
#hero .btn:hover {
    background-color: #FFF9F2;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* --- 4. 产品/解决方案区域 (食品品类展示) --- */
.solutions-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 25px; 
}
.solution-card { 
    background-color: var(--white-color); 
    padding: 35px 25px; 
    border-radius: 16px; /* 更加圆润的卡片 */
    box-shadow: var(--shadow); 
    text-align: center; 
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}
.solution-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 12px 25px rgba(255, 127, 36, 0.15); 
    border-color: var(--secondary-color);
}

/* 食品类图标容器 */
.solution-icon { 
    width: 70px; 
    height: 70px; 
    margin: 0 auto 20px; 
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    position: relative; 
    box-shadow: 0 4px 8px rgba(255, 127, 36, 0.2);
}

/* 图标映射说明：
   虽然 PHP 类名是 icon-cloud (云), icon-data (数据) 等，
   但为了保持食品风格，这里用 CSS 将其绘制为食品形状。
   请在修改 PHP 内容时，根据图标形状填写对应的食品/服务。
*/

/* icon-cloud -> 面包 (Bread) */
.icon-cloud::before { 
    content: ''; width: 30px; height: 18px;
    background: #fff; border-radius: 50% 50% 0 0 / 40% 40% 0 0;
    top: 22px; left: 20px; position: absolute;
}
.icon-cloud::after { 
    content: ''; width: 8px; height: 8px;
    background: #fff; border-radius: 50%;
    top: 18px; left: 25px; position: absolute;
    box-shadow: 8px 4px 0 #fff, 16px 0 0 #fff;
}

/* icon-data -> 水果 (Fruit/Cherry) */
.icon-data::before { 
    content: ''; width: 25px; height: 25px;
    background: #fff; border-radius: 50%;
    top: 22px; left: 22px; position: absolute;
}
.icon-data::after { 
    content: ''; width: 8px; height: 8px;
    background: #fff; border-radius: 50%;
    top: 18px; left: 30px; position: absolute;
}

/* icon-ai -> 饮品 (Drink/Tea) */
.icon-ai::before { 
    content: ''; width: 20px; height: 28px;
    background: #fff; border-radius: 4px 4px 8px 8px;
    top: 20px; left: 25px; position: absolute;
}
.icon-ai::after { 
    content: ''; width: 2px; height: 20px;
    background: #fff; transform: rotate(15deg);
    top: 12px; left: 38px; position: absolute;
}

/* icon-security -> 食材/麦穗 (Ingredients) */
.icon-security::before { 
    content: ''; width: 30px; height: 4px;
    background: #fff; transform: rotate(-45deg);
    top: 33px; left: 20px; position: absolute;
    border-radius: 2px;
}
.icon-security::after {
    content: ''; width: 10px; height: 10px;
    background: #fff; border-radius: 50%;
    top: 20px; left: 40px; position: absolute;
    box-shadow: -8px 8px 0 #fff;
}

/* icon-iot -> 礼盒 (Gift Box) */
.icon-iot::before { 
    content: ''; width: 28px; height: 24px;
    background: #fff; top: 25px; left: 21px; position: absolute; border-radius: 2px;
}
.icon-iot::after { 
    content: ''; width: 6px; height: 24px;
    background: rgba(255,127,36,0.5); /* 半透明橙色丝带 */
    top: 25px; left: 32px; position: absolute;
}

/* icon-consult -> 溯源/品质 (Quality Check) */
.icon-consult::before { 
    content: ''; width: 26px; height: 26px;
    border: 2px solid #fff; border-radius: 4px;
    top: 22px; left: 22px; position: absolute;
}
.icon-consult::after { 
    content: '✓'; color: #FF7F24; font-weight: bold; font-size: 18px;
    top: 21px; left: 28px; position: absolute; 
    background: #fff; border-radius: 50%; width: 14px; height: 14px;
    display: flex; align-items: center; justify-content: center;
}

.solution-card h3 { 
    font-size: 1.4rem; 
    color: var(--primary-color); 
    margin-bottom: 12px;
}
.solution-card p {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* --- 5. 关于我们 (品牌故事) --- */
#about .about-content { 
    display: flex; 
    align-items: center; 
    gap: 40px; 
    flex-wrap: wrap;
}
.about-text { flex: 1; min-width: 300px; }
.about-text p { 
    margin-bottom: 1.2rem; 
    line-height: 1.8;
    color: var(--text-color);
}
.about-visual {
    flex: 1; 
    height: 320px; 
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    color: var(--white-color); 
    font-size: 1.4rem; 
    font-weight: 600; 
    box-shadow: var(--shadow);
    position: relative; 
    overflow: hidden;
    min-width: 300px;
}
/* 动态波点背景 */
.about-visual::before {
    content: ''; 
    position: absolute; 
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 2px, transparent 2px);
    background-size: 30px 30px; 
    animation: move-dots 30s linear infinite;
}
@keyframes move-dots { 
    from { transform: translate(0, 0); } 
    to { transform: translate(-50%, -50%); } 
}
.about-visual span { 
    z-index: 1; 
    background: rgba(255,255,255,0.1);
    padding: 10px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.3);
}
.about-action { margin-top: 2rem; }

/* --- 6. 最新动态/新闻 (食品资讯) --- */
.news-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 25px; 
}
.news-card {
    background-color: var(--white-color); 
    border-radius: 12px; 
    box-shadow: var(--shadow);
    overflow: hidden; 
    display: flex; 
    flex-direction: column; 
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}
.news-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 8px 20px rgba(255, 127, 36, 0.15); 
}

/* 资讯图片容器 (食品色系渐变背景，作为图片加载前的占位) */
.news-cover {
    height: 190px; 
    width: 100%; 
    overflow: hidden; 
    position: relative;
    background: #eee;
}
/* 交替渐变色，模拟不同口味 */
.news-card:nth-child(1n) .news-cover { background: linear-gradient(135deg, #FFE0B2, #FFCC80); } /* 橙味 */
.news-card:nth-child(2n) .news-cover { background: linear-gradient(135deg, #F8BBD0, #F48FB1); } /* 莓果味 */
.news-card:nth-child(3n) .news-cover { background: linear-gradient(135deg, #C8E6C9, #A5D6A7); } /* 抹茶味 */

.news-cover img {
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    display: block;
    transition: transform 0.6s ease;
}
.news-card:hover .news-cover img { transform: scale(1.08); }

.news-content { 
    padding: 22px; 
    flex-grow: 1; 
    display: flex; 
    flex-direction: column; 
}
.news-content h4 { 
    font-size: 1.15rem; 
    margin-bottom: 0.6rem; 
}
.news-content h4 a { 
    text-decoration: none; 
    color: var(--dark-color); 
    transition: color 0.3s; 
}
.news-content h4 a:hover { color: var(--primary-color); }
.news-meta { 
    font-size: 0.85rem; 
    color: #9E7C61; 
    margin-bottom: 1rem; 
    display: flex; 
    gap: 10px; 
}
.news-meta a {
    color: inherit; /* 继承父级文字颜色 (#9E7C61)，保持视觉统一 */
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500; /* 稍微加粗一点，表明它是可点击的 */
}
.news-meta a:hover {
    color: var(--primary-color); /* 悬停时变为品牌主色（暖橙色） */
    text-decoration: underline; /* 增加下划线，提升交互感 */
}
.news-content p { 
    flex-grow: 1; 
    margin-bottom: 1rem; 
    font-size: 0.95rem; 
    color: var(--text-color); 
    line-height: 1.6; 
}
.read-more-link { 
    text-decoration: none; 
    color: var(--primary-color); 
    font-weight: 600; 
    align-self: flex-start; 
    font-size: 0.9rem;
}
.read-more-link:hover { text-decoration: underline; }

/* --- 7. FAQ (常见问题 - 菜单式) --- */
.faq-accordion { max-width: 800px; margin: 0 auto; border-radius: 8px; overflow: hidden; }
.faq-item { 
    border-bottom: 1px solid var(--border-color); 
    background: var(--white-color);
}
.faq-question {
    width: 100%; 
    background: var(--white-color); 
    border: none; 
    text-align: left; 
    padding: 20px 25px;
    font-size: 1.05rem; 
    font-weight: 500; 
    cursor: pointer; 
    display: flex;
    justify-content: space-between; 
    align-items: center; 
    color: var(--dark-color);
    transition: background 0.3s;
}
.faq-question:hover { background-color: var(--light-color); }
.faq-question::after { 
    content: '+'; 
    font-size: 1.5rem; 
    color: var(--primary-color); 
    transition: transform 0.3s ease; 
    font-weight: bold;
}
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-item.active .faq-question { color: var(--primary-color); background-color: var(--light-color); }

.faq-answer { 
    max-height: 0; 
    overflow: hidden; 
    transition: max-height 0.3s ease, padding 0.3s ease; 
    background: var(--light-color);
}
.faq-item.active .faq-answer { 
    padding: 0 25px 25px; 
}
.faq-answer p {
    color: var(--text-color);
    line-height: 1.5;
    border-top: 1px dashed rgba(255, 127, 36, 0.2);
    padding-bottom: 15px;
}

/* --- 8. 页脚 (深色巧克力风) --- */
.main-footer { 
    background-color: var(--dark-color); 
    color: var(--light-color); 
    padding: 60px 0 20px; 
    margin-top: auto; 
    border-top: 5px solid var(--primary-color);
}
.footer-content { 
    display: flex; 
    justify-content: space-between; 
    flex-wrap: wrap; 
    gap: 30px; 
    margin-bottom: 40px; 
}
.footer-column { 
    flex: 1; 
    min-width: 200px; 
}
.footer-column h4 { 
    color: var(--white-color); 
    margin-bottom: 1rem; 
    font-size: 1.15rem; 
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
    display: inline-block;
}
.footer-column ul { list-style: none; }
.footer-column ul li { margin-bottom: 10px; }
.footer-column ul li a { 
    color: #E0D0C0; 
    text-decoration: none; 
    transition: color 0.3s ease; 
}
.footer-column ul li a:hover { 
    color: var(--primary-color); 
    text-decoration: underline;
}
.footer-bottom { 
    text-align: center; 
    padding-top: 20px; 
    border-top: 1px solid #7A5C48; 
    font-size: 0.9rem; 
    color: #D0C0B0; 
}

/* --- CMS 页面通用样式 --- */
.breadcrumb { 
    padding: 20px 0; 
    font-size: 0.9rem; 
    color: #9E7C61; 
    border-bottom: 1px solid var(--border-color); 
    margin-bottom: 30px; 
}
.breadcrumb a { color: var(--text-color); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary-color); text-decoration: underline; }
.breadcrumb span { margin: 0 10px; color: var(--border-color); }

.page-container { padding: 60px 0 100px; }
.page-header { text-align: left; margin-bottom: 40px; }
.page-header h1 { 
    font-size: 2rem; 
    color: var(--dark-color); 
    border-left: 5px solid var(--primary-color);
    padding-left: 15px;
}
.page-meta { 
    color: #9E7C61; 
    font-size: 0.9rem; 
    margin-top: 10px; 
}
.page-meta a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
.page-meta a:hover { color: var(--primary-color); text-decoration: underline; }

/* 分页样式 */
.pagination { 
    display: flex; 
    justify-content: center; 
    gap: 10px; 
    margin-top: 50px; 
}
.page-btn { 
    display: inline-flex; 
    align-items: center; 
    justify-content: center; 
    width: 40px; 
    height: 40px; 
    border: 1px solid var(--border-color); 
    border-radius: 50%; 
    color: var(--text-color); 
    text-decoration: none; 
    transition: all 0.3s; 
    background-color: var(--white-color);
}
.page-btn:hover { 
    background-color: var(--primary-color); 
    color: #fff; 
    border-color: var(--primary-color); 
}
.page-current { 
    display: inline-flex; 
    align-items: center; 
    height: 40px; 
    padding: 0 15px; 
    font-weight: bold; 
    color: var(--dark-color); 
}

/* 文章内容样式 */
.markdown-body { 
    color: var(--text-color); 
    font-size: 1.05rem; 
    line-height: 1.8; 
    max-width: 100%; 
    overflow-x: hidden; 
}
.markdown-body h2 { 
    font-size: 1.7rem; 
    margin-top: 2.5rem; 
    margin-bottom: 1.5rem; 
    padding-bottom: 10px; 
    border-bottom: 2px dashed var(--border-color); /* 虚线分隔，更像优惠券或菜单 */
    text-align: left; 
}
.markdown-body h2::after { display: none; }
.markdown-body h3 { 
    font-size: 1.4rem; 
    margin-top: 2rem; 
    margin-bottom: 1rem; 
    color: var(--dark-color);
}
.markdown-body p { margin-bottom: 1.5rem; }
.markdown-body ul, .markdown-body ol { padding-left: 20px; margin-bottom: 1.5rem; }
.markdown-body li { margin-bottom: 0.5rem; }
.markdown-body img { 
    max-width: 100%; 
    height: auto; 
    border-radius: 12px; 
    margin: 20px 0; 
    box-shadow: var(--shadow); 
}
.markdown-body blockquote { 
    border-left: 5px solid var(--primary-color); 
    background-color: var(--light-color); 
    padding: 20px; 
    margin: 20px 0; 
    border-radius: 0 8px 8px 0; 
    font-style: italic; 
    color: var(--text-color); 
}
.markdown-body a { 
    color: var(--primary-color); 
    text-decoration: none; 
    border-bottom: 1px dashed var(--primary-color); 
}
.markdown-body a:hover { border-bottom-style: solid; }
.markdown-body hr { 
    border: 0; 
    height: 1px; 
    background: var(--border-color); 
    margin: 40px 0; 
}
.markdown-body pre { 
    background: #5A3E2B; 
    color: #fff; 
    padding: 20px; 
    border-radius: 8px; 
    overflow-x: auto; /* 防止长代码撑破手机屏幕 */
    margin-bottom: 20px; 
}

/* 标签样式 */
.post-tags { 
    margin-top: 40px; 
    padding-top: 20px; 
    border-top: 1px solid var(--border-color); 
}
.tag-pill { 
    display: inline-block; 
    background: var(--light-color); 
    padding: 6px 18px; 
    border-radius: 50px; 
    color: var(--text-color); 
    text-decoration: none; 
    font-size: 0.85rem; 
    margin-right: 10px; 
    margin-bottom: 10px; 
    border: 1px solid var(--border-color); 
    transition: all 0.2s; 
}
.tag-pill:hover { 
    background: var(--primary-color); 
    color: #fff; 
    border-color: var(--primary-color); 
}

/* 文章导航 */
.post-navigation { 
    display: flex; 
    justify-content: space-between; 
    margin-top: 40px; 
    padding-top: 20px; 
    border-top: 1px solid var(--border-color); 
}
.nav-next, .nav-prev { 
    max-width: 45%; 
    text-decoration: none; 
    color: var(--dark-color); 
    font-weight: 600; 
}
.nav-next:hover, .nav-prev:hover { color: var(--primary-color); }
.nav-next span, .nav-prev span { 
    display: block; 
    font-size: 0.8rem; 
    color: #9E7C61; 
    font-weight: normal; 
    margin-bottom: 5px; 
}

/* 404页面 */
.error-page { 
    text-align: center; 
    padding: 100px 0; 
}
.error-page h1 { 
    font-size: 5rem; 
    color: var(--primary-color); 
    margin-bottom: 0; 
    text-shadow: 2px 2px 0 var(--border-color);
}
.error-page p { 
    font-size: 1.5rem; 
    margin-bottom: 30px; 
    color: var(--text-color); 
}
.no-content { 
    text-align: center; 
    padding: 50px; 
    color: #9E7C61; 
    background: var(--light-color); 
    border-radius: 8px; 
    border: 1px dashed var(--border-color);
}

/* --- 响应式适配 (移动端优化) --- */
@media (max-width: 992px) { 
    h2 { font-size: 1.8rem; } 
    #hero h1 { font-size: 2.5rem; } 
    .solutions-grid { gap: 20px; }
}

@media (max-width: 768px) {
    .logo { font-size: 1.5rem; }
    .menu-toggle { display: block; }
    .main-nav { 
        position: absolute; 
        top: 70px; 
        left: 0; 
        width: 100%; 
        background-color: var(--white-color); 
        flex-direction: column; 
        max-height: 0; 
        overflow: hidden; 
        transition: max-height 0.4s ease-in-out; 
        /* 移动端菜单增加强阴影，防止与内容混淆 */
        box-shadow: 0 10px 20px rgba(90, 62, 43, 0.15); 
        border-top: 1px solid var(--border-color);
    }
    .main-nav.active { max-height: 500px; }
    .main-nav ul { 
        flex-direction: column; 
        padding: 0; 
    }
    .main-nav ul li { margin: 0; text-align: center; border-bottom: 1px solid var(--light-color); }
    .main-nav ul li a { 
        display: block; 
        padding: 15px 20px; 
        font-size: 1.1rem;
    }
    .main-nav ul li a::after { display: none; }
    #about .about-content { flex-direction: column; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-column h4 { display: block; text-align: center; }
    #hero { height: auto; padding: 100px 20px; }
    #hero h1 { font-size: 2.2rem; }
}

@media (max-width: 480px) { 
    #hero h1 { font-size: 1.9rem; } 
    #hero p { font-size: 1rem; } 
    section { padding: 50px 0; } 
    h2 { font-size: 1.6rem; margin-bottom: 2rem; }
    .solution-card { padding: 25px 20px; }
    .news-grid { gap: 20px; }
}