.base-top2 {
    height: unset;
    max-width: unset;
    min-width: unset;
    width: unset;
}
.base-top1 .topimg,.articleArticleDetail-1 h2{
display:none;
}

/* --- Global Styles --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- New Enhanced Color Palette --- */
:root {
    --primary-color: #5ba7a9;      /* 主色调 - 青绿色 */
    --accent-color: #417d7f;       /* 强调/标题色 - 深青绿 */
    --highlight-color: #f39c12;     /* 全新高亮色 - 活力金橙 */
    --highlight-color-dark: #e67e22; /* 高亮色悬停 - 深橙 */
    --bg-color: #f2f2f2;           /* 页面背景色 - 浅灰 */
    --text-color: #555;            /* 主要文本颜色 */
    --card-bg: #fff;              /* 卡片背景色 */
    --light-accent-bg: #eef6f6;      /* 浅青绿背景 */
    --light-highlight-bg: #fff8e1;  /* 浅橙黄背景 */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}


.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center!important;
}

.intuitive-experience .container h2 {
    display: block;
    text-align: center;
}

h1, h2, h3, h4 {
    font-weight: 600;
    color: var(--accent-color);
}

h2 { font-size: 28px; margin-bottom: 10px; }

p.section-subtitle {
    color: #777;
    max-width: 600px;
    margin: 0 auto 40px auto;
    font-size: 16px;
    text-align: center;
}

section {
    padding: 80px 0;
    text-align: center;
    background-color: var(--card-bg);
    margin-bottom: 10px;
}
section:last-of-type { margin-bottom: 0; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* --- Hero Section --- */
.hero { background-color: var(--primary-color); color: #fff; padding: 100px 0; text-align: center; margin-bottom: 0; }
.hero h1 { font-size: 42px; font-weight: 700; color: #fff; line-height: 1.3; }
.hero p { font-size: 18px; margin: 20px 0 30px 0; opacity: 0.9;text-align: center }
.hero-buttons { display: flex; justify-content: center; gap: 15px; }

/* Primary CTA button now uses highlight color */
.btn-primary { background-color: var(--highlight-color); color: #fff; }
.btn-primary:hover { background-color: var(--highlight-color-dark); }
.btn-secondary { background-color: transparent; color: #fff; border-color: #fff; }
.btn-secondary:hover { background-color: rgba(255, 255, 255, 0.15); }

/* --- Why Choose Section --- */
.features-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; text-align: left; }
.feature-card { background-color: var(--card-bg); padding: 30px; border-radius: 12px; box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05); transition: all 0.3s ease; border: 1px solid #eee; }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(91, 167, 169, 0.15); }
.feature-card p { color: var(--text-color); font-size: 15px; }
.icon-wrapper { display: flex; align-items: center; justify-content: center; width: 50px; height: 50px; border-radius: 50%; margin-bottom: 20px; }
.blue-icon { background-color: var(--light-accent-bg); }

/* --- Powerful Features Section --- */
.powerful-features { background-color: var(--bg-color); }
.feature-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.tab-btn { padding: 10px 20px; border-radius: 20px; border: 1px solid #ddd; background-color: #fff; color: var(--text-color); font-size: 15px; cursor: pointer; transition: all 0.3s ease; }
.tab-btn:hover { border-color: var(--accent-color); color: var(--accent-color); }
/* Active tab now uses highlight color */
.tab-btn.active { background-color: var(--highlight-color); color: #fff; border-color: var(--highlight-color); }

.features-grid-2xN { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; text-align: left; }
.feature-card-small { background-color: var(--card-bg); border-radius: 12px; padding: 25px 20px; display: flex; align-items: flex-start; gap: 15px; border: 1px solid #eee; transition: all 0.3s ease; }
.feature-card-small:hover { transform: translateY(-3px); border-color: var(--primary-color); box-shadow: 0 6px 20px rgba(91, 167, 169, 0.1); }
.feature-card-small .icon-wrapper { margin-top: 3px; flex-shrink: 0; }
.feature-card-small p { font-size: 14px; color: var(--text-color); line-height: 1.5; margin: 0; }

.tab-content { display: none; }
.tab-content.active { display: grid; animation: fadeIn 0.5s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* --- Icon Styles --- */
.icon-wrapper .fas { font-size: 22px; color: var(--accent-color); }

/* --- Intuitive Experience Section --- */
/* Tag now uses highlight color */
.tag {display: inline-block;background-color: var(--light-highlight-bg);color: var(--highlight-color-dark);padding: 5px 15px;border-radius: 15px;font-size: 14px;font-weight: 600;margin-bottom: 15px;/* margin: 0 auto; */}

.feature-showcase-container { margin-top: 40px; }
.feature-item { display: flex; align-items: center; justify-content: center; gap: 5%; margin-bottom: 80px; }
.feature-item:last-child { margin-bottom: 0; }
.feature-item:nth-child(even) { flex-direction: row-reverse; }
.feature-text { flex-basis: 45%; text-align: left; }
.feature-text h2 {border-bottom: 2px solid var(--accent-color);display: inline-block!important;}
.feature-text ul {list-style: none;/* padding-left: 0; */width: unset;margin: unset;position: unset;height: unset;padding: unset;overflow: unset;min-width: unset;}
.feature-text li { margin-bottom: 15px; position: relative; padding-left: 20px; color: var(--text-color); font-size: 16px; }
.feature-text li::before { content: '•'; position: absolute; left: 0; color: var(--accent-color); font-size: 20px; line-height: 1; }
.feature-image { flex-basis: 40%; text-align: center; }
.feature-image img { max-width: 350px; width: 70%; height: auto; display: inline-block; border-radius: 15px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); transition: transform 0.4s ease; }
.feature-item:hover .feature-image img { transform: scale(1.05); }

/* --- Footer --- */
.page-footer { background-color: var(--card-bg); padding: 40px 0; border-top: 1px solid #e0e0e0; }
.download-section { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 20px; }
.download-section span { font-size: 16px; color: var(--text-color); font-weight: 500; }
/* Primary download button now uses highlight color */
.btn-download { background-color: var(--highlight-color); color: #fff; padding: 10px 20px; border-radius: 8px; }
.btn-download:hover { background-color: var(--highlight-color-dark); }
.btn-download-alt { background-color: transparent; color: var(--accent-color); padding: 10px 20px; border-radius: 8px; border: 1px solid var(--accent-color); }
.btn-download-alt:hover { background-color: var(--accent-color); color: #fff; }

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .feature-item,
    .feature-item:nth-child(even) { flex-direction: column; text-align: center; }
    .feature-text { text-align: center; margin-bottom: 30px; flex-basis: auto; }
    .feature-text h2 { margin: 0 auto 20px auto; }
    .feature-text ul { display: inline-block; text-align: left; }
    .feature-image { flex-basis: auto; }
}
/* --- Floating Navigation Sidebar --- */
.floating-nav {
    position: fixed;
    top: 200px;
    left: 20px;
    width: 180px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    padding: 20px 15px;
    z-index: 999;
    border: 1px solid #eee;
    transition: top 0.3s ease;
}

.floating-nav h3 {
    font-size: 16px;
    text-align: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    color: var(--accent-color);
}

.floating-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    height: unset;
    width: unset;
    min-width: unset;
}

.floating-nav li {
    margin-bottom: 5px;
}

.floating-nav a {
    display: block;
    padding: 10px 15px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    text-align: center;
}

.floating-nav a:hover {
    background-color: var(--light-accent-bg);
    color: var(--accent-color);
    transform: translateX(5px);
}

.floating-nav a.selected {
    background-color: #e67e22;
    color: #fff;
    font-weight: 600;
    border-left: 3px solid var(--highlight-color-dark, var(--cta-color));
}

.floating-nav a.selected:hover {
    background-color: var(--highlight-color-dark, var(--cta-color));
    transform: translateX(0);
}

/* On smaller screens, hide the floating nav */
@media (max-width: 1200px) {
    .floating-nav {
        display: none;
    }
}