/* ==========================================================================
   主题名称: Ocean Crystal (海洋盐晶)
   设计风格: 盐业/天然化工/海洋/纯净/现代化企业
   设计理念: 纯净海盐提取、晶体几何结构、深海到浅滩的渐变色彩
   ========================================================================== */

/* --- 1. 全局与基础样式 --- */
:root {
    /* 核心色彩体系：深海蓝与晶体青 */
    --primary-color: #0077B6;    /* 提取自海水的深邃蓝 */
    --secondary-color: #00B4D8;  /* 盐田反射出的青空色 */
    --accent-color: #90E0EF;     /* 浅冰蓝/晶体高光 */
    --dark-color: #012A4A;       /* 深沉的深渊海军蓝（替代纯黑） */
    --light-color: #F4FAFB;      /* 极浅的盐白湖蓝色 */
    --white-color: #FFFFFF;      /* 纯净白 */
    --text-color: #2B3A4A;       /* 正文灰蓝色，比纯黑更柔和 */
    --crystal-border: #DDF0F7;   /* 晶体边缘线 */
    --shadow-soft: 0 8px 25px rgba(0, 119, 182, 0.08);
    --shadow-hover: 0 12px 35px rgba(0, 180, 216, 0.2);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white-color);
    display: flex; flex-direction: column; min-height: 100vh;
}
main { flex: 1; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { color: var(--dark-color); margin-bottom: 1rem; font-weight: 600; }

/* 二级标题：盐晶风格底纹 */
h2 { 
    font-size: 2.4rem; 
    text-align: center; 
    margin-bottom: 3.5rem; 
    position: relative; 
    letter-spacing: 2px;
}
h2::before { 
    content: ''; 
    position: absolute; 
    bottom: -15px; 
    left: 50%; 
    transform: translateX(-50%); 
    width: 80px; 
    height: 1px; 
    background-color: var(--crystal-border); 
}
h2::after { 
    content: ''; 
    position: absolute; 
    bottom: -19px; 
    left: 50%; 
    transform: translateX(-50%) rotate(45deg); /* 菱形盐晶 */
    width: 10px; 
    height: 10px; 
    background-color: var(--secondary-color); 
    box-shadow: 0 0 5px var(--accent-color);
}

section { padding: 90px 0; }
section:nth-of-type(odd) { background-color: var(--light-color); }

/* 按钮：晶体扫光反光特效 */
.btn {
    display: inline-block; 
    padding: 14px 32px; 
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white-color); 
    text-decoration: none; 
    border-radius: 2px; /* 方正边缘符合晶体/工业感 */
    font-weight: bold;
    letter-spacing: 1px;
    border: none; 
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 119, 182, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0), rgba(255,255,255,0.4), rgba(255,255,255,0));
    transform: skewX(-25deg);
    transition: all 0.6s ease;
}
.btn:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 8px 25px rgba(0, 180, 216, 0.4); 
    color: #fff; 
}
.btn:hover::before { left: 150%; }

/* --- 2. 头部与导航 --- */
.main-header { 
    background-color: rgba(255, 255, 255, 0.95); 
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--crystal-border);
    position: sticky; top: 0; z-index: 1000; width: 100%; 
}
.main-header .container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 1.8rem; font-weight: 800; color: var(--primary-color); text-decoration: none; letter-spacing: 1px; }
.main-nav ul { display: flex; list-style: none; }
.main-nav ul li { margin-left: 35px; }
.main-nav ul li a { 
    text-decoration: none; color: var(--text-color); font-weight: 500; 
    position: relative; padding: 10px 0; transition: color 0.3s ease;
}
.main-nav ul li a::after { 
    content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
    width: 0; height: 3px; background-color: var(--secondary-color); 
    transition: width 0.3s ease; border-radius: 3px 3px 0 0;
}
.main-nav ul li a:hover, .main-nav ul li a.active { color: var(--primary-color); }
.main-nav ul li a:hover::after, .main-nav ul li a.active::after { width: 100%; }
.menu-toggle { display: none; cursor: pointer; background: none; border: none; font-size: 1.8rem; color: var(--primary-color); }

/* --- 3. 英雄区域 (纯CSS海盐湖几何背景) --- */
#hero {
    background-color: var(--dark-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 180, 216, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 85% 90%, rgba(144, 224, 239, 0.2) 0%, transparent 40%),
        linear-gradient(135deg, #012A4A 0%, #0077B6 100%);
    color: var(--white-color); 
    height: 85vh; min-height: 550px;
    display: flex; align-items: center; justify-content: center; text-align: center; padding: 0 20px;
    position: relative; overflow: hidden;
}
/* 晶体碎片装饰 */
#hero::before {
    content: ''; position: absolute; top: -10%; right: -5%;
    width: 600px; height: 600px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transform: rotate(20deg); pointer-events: none;
}
#hero::after {
    content: ''; position: absolute; bottom: -15%; left: -10%;
    width: 400px; height: 400px;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), transparent);
    clip-path: polygon(50% 0%, 100% 30%, 100% 70%, 50% 100%, 0% 70%, 0% 30%);
    transform: rotate(-15deg); pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
#hero h1 { font-size: 3.8rem; color: var(--white-color); margin-bottom: 1.5rem; letter-spacing: 3px; font-weight: 700; text-shadow: 0 4px 10px rgba(0,0,0,0.3); }
#hero p { font-size: 1.25rem; max-width: 750px; margin: 0 auto 2.5rem; color: var(--accent-color); line-height: 1.8; }

/* --- 4. 核心解决方案 (盐田多边形风格) --- */
.solutions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 35px; }
.solution-card { 
    background-color: var(--white-color); padding: 40px 30px; 
    border-radius: 4px; box-shadow: var(--shadow-soft); text-align: center; 
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
    border: 1px solid var(--crystal-border);
    position: relative; overflow: hidden;
}
.solution-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0); transition: transform 0.4s ease; transform-origin: left;
}
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: var(--accent-color); }
.solution-card:hover::before { transform: scaleX(1); }

/* 六边形盐晶图标容器 */
.solution-icon { 
    width: 80px; height: 80px; margin: 0 auto 25px; 
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color)); 
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex; align-items: center; justify-content: center; position: relative; 
}
.solution-icon::before, .solution-icon::after { content: ''; position: absolute; background-color: var(--white-color); }

/* 重构内部纯CSS图标，以适应六边形容器 */
.icon-cloud::before { width: 34px; height: 22px; border-radius: 20px 20px 0 0; top: 32px; left: 16px; background: #fff; }
.icon-cloud::after { width: 18px; height: 18px; border-radius: 50%; top: 25px; left: 38px; background: #fff; }

.icon-data::before { width: 8px; height: 25px; left: 24px; bottom: 22px; }
.icon-data::after { width: 8px; height: 16px; left: 36px; bottom: 22px; }
.icon-data span { width: 8px; height: 35px; left: 48px; bottom: 22px; background: #fff; position: absolute; }

.icon-security::before { width: 28px; height: 30px; border: 3px solid #fff; border-top: none; border-radius: 0 0 14px 14px; top: 25px; left: 26px; background: transparent; }
.icon-security::after { content: '✓'; color: var(--secondary-color); font-weight: bold; font-size: 20px; top: 25px; left: 34px; background: transparent;}

.icon-ai { background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); }
.icon-ai::before { width: 18px; height: 18px; border-radius: 50%; border: 2px solid #fff; left: 20px; top: 30px; background: transparent; }
.icon-ai::after { width: 18px; height: 18px; border-radius: 50%; border: 2px solid #fff; left: 42px; top: 30px; background: transparent; }

.icon-iot::before { width: 16px; height: 16px; background: #fff; border-radius: 50%; top: 32px; left: 32px; }
.icon-iot::after { content: ''; width: 34px; height: 34px; border: 2px solid #fff; border-radius: 50%; position: absolute; top: 23px; left: 23px; background: transparent; }

.icon-consult::before { width: 28px; height: 18px; background: #fff; top: 28px; left: 26px; }
.icon-consult::after { content: ''; width: 0; height: 0; border-left: 14px solid transparent; border-right: 14px solid transparent; border-top: 10px solid #fff; position: absolute; top: 46px; left: 26px; background: transparent; }

.solution-card h3 { font-size: 1.4rem; color: var(--dark-color); margin-bottom: 15px; }
.solution-card p { font-size: 0.95rem; color: #5B6A7A; }

/* --- 5. 关于我们 (纯CSS晶簇设计) --- */
#about .about-content { display: flex; align-items: center; gap: 60px; }
.about-text { flex: 1; }
.about-text h3 { font-size: 1.8rem; color: var(--primary-color); }
.about-text p { margin-bottom: 1.2rem; color: #5B6A7A; text-align: justify; }
.about-visual {
    flex: 1; height: 380px; background: var(--light-color);
    border-radius: 4px; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; box-shadow: inset 0 0 40px rgba(0, 180, 216, 0.05);
}
/* 左侧大盐块 */
.about-visual::before {
    content: ''; position: absolute; width: 250px; height: 250px;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.8) 0%, rgba(144, 224, 239, 0.8) 100%);
    clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
    transform: rotate(15deg); left: -40px; bottom: -50px;
}
/* 右侧深海盐块 */
.about-visual::after {
    content: ''; position: absolute; width: 200px; height: 200px;
    background: linear-gradient(135deg, rgba(0, 119, 182, 0.9) 0%, rgba(0, 180, 216, 0.9) 100%);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transform: rotate(-20deg); right: 20px; top: 20px;
}
.about-visual span { 
    z-index: 2; color: var(--dark-color); font-size: 1.8rem; font-weight: 800; letter-spacing: 4px; 
    background: rgba(255,255,255,0.85); padding: 20px 40px; backdrop-filter: blur(8px); 
    border: 1px solid var(--white-color); box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.about-action { margin-top: 2.5rem; }

/* --- 6. 资讯中心 --- */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.news-card {
    background-color: var(--white-color); border-radius: 4px; box-shadow: var(--shadow-soft);
    overflow: hidden; display: flex; flex-direction: column; transition: transform 0.4s ease, box-shadow 0.4s ease;
    border: 1px solid var(--crystal-border);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--secondary-color); }

/* 图片容器：无图时的盐湖渐变替补色 */
.news-cover { height: 220px; width: 100%; overflow: hidden; position: relative; background-color: var(--light-color); }
.news-card:nth-child(3n+1) .news-cover { background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%); } /* 纯白盐滩 */
.news-card:nth-child(3n+2) .news-cover { background-image: linear-gradient(120deg, #89f7fe 0%, #66a6ff 100%); } /* 浅海蓝 */
.news-card:nth-child(3n) .news-cover { background-image: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%); }   /* 冰晶蓝 */

.news-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.8s ease; }
.news-card:hover .news-cover img { transform: scale(1.05); }

.news-content { padding: 25px; flex-grow: 1; display: flex; flex-direction: column; }
.news-content h4 { font-size: 1.25rem; margin-bottom: 0.8rem; line-height: 1.4; }
.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: #8BA0B2; margin-bottom: 1.2rem; display: flex; gap: 10px; }
.news-meta a { color: var(--secondary-color); text-decoration: none; transition: color 0.3s ease; }
.news-meta a:hover { color: var(--primary-color); text-decoration: underline; }
.news-content p { flex-grow: 1; margin-bottom: 1.5rem; font-size: 0.95rem; color: #5B6A7A; line-height: 1.6; }
.read-more-link { 
    text-decoration: none; color: var(--primary-color); font-weight: bold; 
    align-self: flex-start; position: relative; padding-bottom: 2px;
}
.read-more-link::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background-color: var(--secondary-color); transition: width 0.3s ease;
}
.read-more-link:hover::after { width: 100%; }

/* --- 7. FAQ (手风琴) --- */
.faq-accordion { max-width: 850px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--crystal-border); background: var(--white-color); margin-bottom: 10px; border-radius: 4px; box-shadow: 0 2px 5px rgba(0,0,0,0.02); overflow: hidden; }
.faq-question {
    width: 100%; background: none; border: none; text-align: left; padding: 22px 25px;
    font-size: 1.1rem; font-weight: 600; cursor: pointer; display: flex;
    justify-content: space-between; align-items: center; color: var(--dark-color);
    border-left: 4px solid transparent; transition: all 0.3s ease;
}
.faq-question::after { content: '+'; font-size: 1.8rem; color: var(--secondary-color); transition: transform 0.3s ease; font-weight: 300; }
.faq-item:hover .faq-question { color: var(--primary-color); }
.faq-item.active .faq-question { border-left-color: var(--secondary-color); background-color: var(--light-color); color: var(--primary-color); }
.faq-item.active .faq-question::after { transform: rotate(45deg); color: var(--primary-color); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 25px; background-color: var(--light-color); }
.faq-item.active .faq-answer { padding: 0 25px 25px; }
.faq-answer p { color: #5B6A7A; font-size: 0.95rem; line-height: 1.8; border-top: 1px dashed var(--crystal-border); padding: 15px 0 0; margin-top: 5px; }

/* --- 8. 底部 Footer --- */
.main-footer { background-color: var(--dark-color); color: var(--accent-color); padding: 70px 0 20px; margin-top: auto; border-top: 5px solid var(--primary-color); }
.footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; margin-bottom: 50px; }
.footer-column { flex: 1; min-width: 220px; }
.footer-column h4 { color: var(--white-color); margin-bottom: 1.5rem; font-size: 1.2rem; position: relative; padding-bottom: 10px; }
.footer-column h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background-color: var(--secondary-color); }
.footer-column p { color: #A6C8E0; font-size: 0.95rem; line-height: 1.8; }
.footer-column ul { list-style: none; }
.footer-column ul li { margin-bottom: 12px; }
.footer-column ul li a { color: #A6C8E0; text-decoration: none; transition: all 0.3s ease; display: inline-block; }
.footer-column ul li a:hover { color: var(--white-color); transform: translateX(5px); }
.footer-bottom { text-align: center; padding-top: 25px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; color: #8BA0B2; }

/* --- 9. CMS 内容页样式 --- */
.breadcrumb { padding: 20px 0; font-size: 0.95rem; color: #8BA0B2; border-bottom: 1px solid var(--crystal-border); margin-bottom: 40px; }
.breadcrumb a { color: var(--text-color); text-decoration: none; transition: color 0.3s; }
.breadcrumb a:hover { color: var(--primary-color); }
.breadcrumb span { margin: 0 12px; color: var(--crystal-border); }

.page-container { padding: 50px 0 100px; }
.page-header { text-align: left; margin-bottom: 40px; }
.page-header h1 { font-size: 2.5rem; color: var(--dark-color); position: relative; }
/* 内容页标题的盐晶修饰 */
.page-header h1::before {
    content: ''; display: inline-block; width: 14px; height: 14px;
    background-color: var(--secondary-color); margin-right: 15px;
    transform: rotate(45deg); vertical-align: middle; box-shadow: 2px 2px 5px rgba(0,180,216,0.3);
}
.page-meta { color: #8BA0B2; font-size: 0.95rem; margin-top: 15px; }
.page-meta a { color: var(--secondary-color); text-decoration: none; transition: color 0.3s ease; }
.page-meta a:hover { color: var(--primary-color); text-decoration: underline; }

.center-header { text-align: center; }
.center-header h1::before { display: none; }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 60px; }
.page-btn { 
    display: inline-flex; align-items: center; justify-content: center; 
    width: 45px; height: 45px; border: 1px solid var(--crystal-border); 
    border-radius: 4px; color: var(--text-color); text-decoration: none; 
    transition: all 0.3s; background: var(--white-color);
}
.page-btn:hover { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); box-shadow: var(--shadow-soft); }
.page-current { display: inline-flex; align-items: center; height: 45px; padding: 0 20px; font-weight: bold; color: var(--primary-color); background: var(--light-color); border-radius: 4px; }

/* Markdown 文章正文排版 */
.markdown-body { color: var(--text-color); font-size: 1.05rem; line-height: 1.85; max-width: 100%; overflow-x: hidden; text-align: justify; }
.markdown-body h2 { 
    font-size: 1.8rem; margin-top: 3rem; margin-bottom: 1.5rem; padding-bottom: 12px; 
    border-bottom: 2px solid var(--crystal-border); text-align: left; letter-spacing: normal;
}
.markdown-body h2::before, .markdown-body h2::after { display: none; }
.markdown-body h3 { font-size: 1.4rem; margin-top: 2.5rem; margin-bottom: 1rem; color: var(--primary-color); }
.markdown-body p { margin-bottom: 1.5rem; }
.markdown-body ul, .markdown-body ol { padding-left: 25px; margin-bottom: 1.5rem; }
.markdown-body li { margin-bottom: 0.8rem; }
.markdown-body img { max-width: 100%; height: auto; border-radius: 4px; margin: 30px 0; box-shadow: var(--shadow-soft); }
.markdown-body blockquote { 
    border-left: 5px solid var(--secondary-color); background-color: var(--light-color); 
    padding: 25px 30px; margin: 30px 0; border-radius: 0 4px 4px 0; font-style: normal; color: #445566; 
}
.markdown-body a { color: var(--primary-color); text-decoration: none; border-bottom: 1px solid rgba(0, 119, 182, 0.3); transition: border-color 0.3s; }
.markdown-body a:hover { border-bottom-color: var(--primary-color); }
.markdown-body hr { border: 0; height: 1px; background: var(--crystal-border); margin: 50px 0; }
.markdown-body pre { background: var(--dark-color); color: var(--accent-color); padding: 25px; border-radius: 4px; overflow-x: auto; margin-bottom: 25px; border-left: 4px solid var(--secondary-color); }

/* 文章标签与导航 */
.post-tags { margin-top: 50px; padding-top: 25px; border-top: 1px solid var(--crystal-border); display: flex; flex-wrap: wrap; gap: 12px; }
.tag-pill { 
    display: inline-block; background: var(--light-color); padding: 6px 18px; 
    border-radius: 20px; color: var(--primary-color); text-decoration: none; 
    font-size: 0.85rem; border: 1px solid var(--crystal-border); transition: all 0.3s; 
}
.tag-pill:hover { background: var(--secondary-color); color: #fff; border-color: var(--secondary-color); box-shadow: 0 4px 10px rgba(0,180,216,0.2); }

.post-navigation { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--crystal-border); }
.nav-next, .nav-prev { max-width: 45%; text-decoration: none; color: var(--dark-color); font-weight: bold; transition: color 0.3s; }
.nav-next:hover, .nav-prev:hover { color: var(--primary-color); }
.nav-next span, .nav-prev span { display: block; font-size: 0.85rem; color: #8BA0B2; font-weight: normal; margin-bottom: 8px; }

.error-page { text-align: center; padding: 120px 0; }
.error-page h1 { font-size: 6rem; color: var(--primary-color); margin-bottom: 10px; text-shadow: 4px 4px 0 var(--accent-color); }
.error-page p { font-size: 1.5rem; margin-bottom: 40px; color: #5B6A7A; }
.no-content { text-align: center; padding: 60px; color: #8BA0B2; background: var(--light-color); border-radius: 4px; font-size: 1.1rem; border: 1px dashed var(--crystal-border); }

/* --- 10. 响应式布局 --- */
@media (max-width: 992px) { 
    h2 { font-size: 2.2rem; } 
    #hero h1 { font-size: 3rem; } 
    .about-visual { height: 300px; }
}

@media (max-width: 768px) {
    .logo { font-size: 1.6rem; }
    .menu-toggle { display: block; }
    .main-nav { 
        position: absolute; top: 80px; left: 0; width: 100%; 
        background-color: rgba(255, 255, 255, 0.98); backdrop-filter: blur(15px);
        flex-direction: column; max-height: 0; overflow: hidden; 
        transition: max-height 0.4s ease-in-out; box-shadow: 0 10px 20px rgba(0,0,0,0.05); 
        border-bottom: 1px solid var(--crystal-border);
    }
    .main-nav.active { max-height: 500px; }
    .main-nav ul { flex-direction: column; padding: 15px 0; }
    .main-nav ul li { margin: 0; text-align: center; }
    .main-nav ul li a { display: block; padding: 15px 20px; font-size: 1.1rem; }
    .main-nav ul li a::after { display: none; }
    
    #hero h1 { font-size: 2.5rem; }
    #hero p { font-size: 1.1rem; }
    
    #about .about-content { flex-direction: column; gap: 40px; }
    .about-visual { width: 100%; height: 280px; }
    
    .footer-content { flex-direction: column; text-align: center; gap: 30px; }
    .footer-column h4::after { left: 50%; transform: translateX(-50%); }
    
    .post-navigation { flex-direction: column; gap: 30px; }
    .nav-next, .nav-prev { max-width: 100%; text-align: center !important; }
}

@media (max-width: 480px) { 
    section { padding: 60px 0; } 
    h2 { font-size: 1.8rem; margin-bottom: 2.5rem; } 
    #hero h1 { font-size: 2rem; letter-spacing: 1px; } 
    #hero p { font-size: 1rem; } 
    .page-header h1 { font-size: 2rem; }
    .solution-card { padding: 30px 20px; }
}