```css

/* 全局CSS变量 - 文字颜色高可读性优先 */
:root {
    --bg-primary: #faf9f6;
    --bg-secondary: #ffffff;
    --bg-dark: #1a1a1a;
    --text-primary: #1F2937; /* 深色正文 */
    --text-secondary: #334155; /* 辅助深色 */
    --text-heading: #111827; /* 深黑标题 */
    --text-link: #0f4c5c; /* 深青色链接，对比度良好 */
    --accent: #2f6b4f; /* 品牌深绿 */
    --accent-strong: #1a3a2b;
    --border-light: #d1d5db;
    --card-bg: #ffffff;
    --footer-bg: #1f2937;
    --footer-text: #E5E7EB;
    --banner-overlay: rgba(0,0,0,0.45);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --blur-bg: rgba(255, 255, 255, 0.6);
    --blur-border: rgba(255, 255, 255, 0.3);
}
[data-theme="dark"] {
    --bg-primary: #12181f;
    --bg-secondary: #1e2832;
    --bg-dark: #0f1419;
    --text-primary: #E2E8F0;
    --text-secondary: #cbd5e1;
    --text-heading: #F8FAFC;
    --text-link: #7dd3fc;
    --accent: #4d9f7c;
    --accent-strong: #8bc1a8;
    --border-light: #3a4754;
    --card-bg: #1e2832;
    --footer-bg: #0b1014;
    --footer-text: #d1d5db;
    --blur-bg: rgba(30, 40, 50, 0.6);
    --blur-border: rgba(255, 255, 255, 0.1);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.2s ease, color 0.2s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
h1,h2,h3,h4 { color: var(--text-heading); font-weight: 600; line-height: 1.3; }
h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; margin-bottom: 1rem; border-left: 6px solid var(--accent); padding-left: 0.8rem; }
h3 { font-size: 1.5rem; margin: 1.2rem 0 0.7rem; }
h4 { font-size: 1.2rem; margin: 1rem 0 0.5rem; }
p { margin-bottom: 1rem; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
a { color: var(--text-link); text-decoration: none; font-weight: 500; transition: color 0.2s ease; }
a:hover { text-decoration: underline; color: var(--accent); }
img, svg { max-width: 100%; height: auto; display: block; }
ul, ol { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }

/* 按钮 */
.btn {
    display: inline-block; background-color: var(--accent); color: #fff; font-weight: 600;
    padding: 0.6rem 1.4rem; border-radius: 30px; border: none; cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn:hover { background-color: var(--accent-strong); color: #fff; text-decoration: none; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }

/* 导航 */
.navbar {
    position: sticky; top: 0; z-index: 50; background-color: var(--blur-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.05); border-bottom: 1px solid var(--blur-border);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; flex-wrap: wrap; }
.logo a { font-size: 1.8rem; font-weight: 800; color: var(--accent); letter-spacing: 1px; text-decoration: none; transition: color 0.2s; }
.logo a:hover { color: var(--accent-strong); }
.nav-links { display: flex; gap: 1.8rem; align-items: center; }
.nav-links a { color: var(--text-primary); font-weight: 500; position: relative; padding: 0.3rem 0; }
.nav-links a:hover { color: var(--accent); text-decoration: none; }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background-color: var(--accent); transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 2rem; cursor: pointer; line-height: 1; }
.mobile-menu { display: none; flex-direction: column; gap: 1rem; background-color: var(--blur-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding: 1rem 0; border-top: 1px solid var(--blur-border); }
.mobile-menu.show { display: flex; }
.mobile-menu a { padding: 0.5rem 1rem; font-size: 1.1rem; }
.dark-toggle, .search-btn { background: none; border: 1px solid var(--border-light); border-radius: 30px; padding: 0.4rem 1rem; color: var(--text-primary); cursor: pointer; font-size: 0.9rem; transition: all 0.2s ease; }
.dark-toggle:hover, .search-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(47, 107, 79, 0.1); }

/* banner */
.banner {
    background: linear-gradient(135deg, #1a3a2b, #2f6b4f, #3a8a6a);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    color: #fff; padding: 4rem 0; position: relative; overflow: hidden;
}
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.banner::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 80%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    transform: rotate(20deg); pointer-events: none;
}
.banner-content { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; position: relative; z-index: 2; }
.banner-text { flex: 1 1 300px; }
.banner-text h1 { color: #fff; font-size: 2.8rem; text-shadow: 0 4px 12px rgba(0,0,0,0.3); animation: fadeInUp 1s ease; }
.banner-text p { color: #f0fdf4; font-size: 1.2rem; margin: 1rem 0; animation: fadeInUp 1s ease 0.1s both; }
.banner-svg { flex: 0 0 200px; animation: float 6s ease-in-out infinite; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
.banner-svg svg { filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2)); }
.banner-search { display: flex; gap: 0.5rem; margin-top: 1.5rem; max-width: 500px; animation: fadeInUp 1s ease 0.2s both; }
.banner-search input {
    flex:1; padding: 0.8rem 1.2rem; border-radius: 40px; border: none; background: rgba(255,255,255,0.9);
    color: #1e293b; font-weight: 500; font-size: 1rem; outline: none;
    transition: box-shadow 0.2s ease;
}
.banner-search input:focus { box-shadow: 0 0 0 3px rgba(255,255,255,0.3); }
.banner-search .search-btn { background: #fff; color: #1a3a2b; border: none; font-weight: 600; padding: 0.8rem 1.5rem; }
.banner-search .search-btn:hover { background: #f0fdf4; }

/* 卡片区域 */
.section { padding: 3rem 0; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.card {
    background: var(--card-bg); border-radius: var(--radius-md); padding: 1.5rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative; overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0; transition: opacity 0.3s ease;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: 0.6rem; }
.card h4 { margin-bottom: 0.5rem; }
.card p { color: var(--text-primary); }
.card .meta { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; }
.card svg { border-radius: 8px; margin-bottom: 0.5rem; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border-light); padding: 1rem 0; transition: background 0.2s; }
.faq-item:hover { background: rgba(47, 107, 79, 0.03); }
.faq-question {
    font-weight: 600; font-size: 1.1rem; cursor: pointer; display: flex; justify-content: space-between;
    align-items: center; color: var(--text-heading); user-select: none; padding: 0.5rem 0;
}
.faq-question span {
    display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px;
    border-radius: 50%; background: var(--accent); color: #fff; font-size: 1.2rem;
    transition: transform 0.3s ease; flex-shrink: 0;
}
.faq-item.active .faq-question span { transform: rotate(45deg); }
.faq-answer { margin-top: 0.8rem; color: var(--text-primary); padding-left: 1rem; border-left: 3px solid var(--accent); }
.faq-answer[hidden] { display: none; }

/* 表格 */
table { width: 100%; border-collapse: collapse; margin: 1rem 0; color: var(--text-primary); }
th, td { padding: 0.75rem; border: 1px solid var(--border-light); text-align: left; }
th { background-color: var(--accent); color: #fff; font-weight: 600; }
tr:nth-child(even) { background-color: rgba(47, 107, 79, 0.05); }

/* footer */
footer { background: var(--footer-bg); color: var(--footer-text); padding: 2.5rem 0 1rem; margin-top: 3rem; position: relative; }
footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), #4d9f7c, var(--accent)); }
.footer-links { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.footer-links h4 { color: #fff; margin-bottom: 0.8rem; border-left: none; font-size: 1.1rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links li a { color: #cbd5e1; transition: color 0.2s, padding-left 0.2s; }
.footer-links li a:hover { color: #fff; padding-left: 4px; text-decoration: none; }
.copyright { text-align: center; border-top: 1px solid #334155; margin-top: 2rem; padding-top: 1.5rem; font-size: 0.9rem; color: #d1d5db; }

/* 文章卡片 */
.post-card { display: flex; flex-direction: column; height: 100%; }
.post-card .read-more { margin-top: auto; display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }
.post-card .read-more::after { content: '→'; transition: transform 0.2s; }
.post-card .read-more:hover::after { transform: translateX(4px); }

/* 滚动动画 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.visible { opacity: 1; transform: none; }

/* 返回顶部 */
#backTop {
    background: var(--accent); color: #fff; border: none; width: 48px; height: 48px;
    border-radius: 50%; font-size: 1.5rem; cursor: pointer; box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}
#backTop:hover { transform: translateY(-4px); background: var(--accent-strong); }

/* 内容区块特殊样式 */
#solution .card, #comics .card { height: 100%; }
#brand .card { height: 100%; }

/* 动画关键帧 */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: none; }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 自定义滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-strong); }

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000;
        --text-secondary: #1a1a1a;
        --text-heading: #000;
        --text-link: #0000EE;
        --border-light: #000;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 移动适配 */
@media (max-width: 768px) {
    body { font-size: 0.95rem; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .banner { padding: 3rem 0; }
    .banner-text h1 { font-size: 2rem; }
    .banner-text p { font-size: 1rem; }
    .banner-svg { flex: 0 0 120px; margin: 0 auto; }
    .banner-svg svg { width: 120px; height: 120px; }
    .section { padding: 2rem 0; }
    .grid-4, .grid-3 { grid-template-columns: 1fr; gap: 1rem; }
    .card { padding: 1.2rem; }
    .footer-links { flex-direction: column; gap: 1.5rem; }
    .faq-question { font-size: 1rem; }
    #backTop { width: 40px; height: 40px; font-size: 1.2rem; bottom: 1rem; right: 1rem; }
}

/* 平板适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .banner-text h1 { font-size: 2.4rem; }
}

/* 打印样式 */
@media print {
    .navbar, .banner-search, .dark-toggle, .nav-toggle, #backTop, .mobile-menu {
        display: none !important;
    }
    body { background: white; color: black; }
    .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
    .section { padding: 1rem 0; }
    footer { break-inside: avoid; }
}

/* 辅助功能 */
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* 毛玻璃卡片效果增强 */
.card {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* 品牌故事卡片特殊样式 */
#brand .card:nth-child(1) { border-top: 3px solid #e8a87c; }
#brand .card:nth-child(2) { border-top: 3px solid #4d9f7c; }
#brand .card:nth-child(3) { border-top: 3px solid #6c5ce7; }

/* 解决方案卡片图标 */
#solution .card h4::before {
    content: '🎨 ';
    font-size: 1.2em;
}
#solution .card:nth-child(2) h4::before { content: '📚 '; }
#solution .card:nth-child(3) h4::before { content: '🤝 '; }

/* 热门作品卡片悬停效果 */
#comics .card:hover svg {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}
#comics .card svg {
    transition: transform 0.3s ease;
    margin-bottom: 0.8rem;
}

/* 文章卡片日期样式 */
.post-card .meta {
    display: inline-block;
    background: rgba(47, 107, 79, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--accent);
}

/* FAQ展开动画 */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, margin 0.3s ease;
}
.faq-answer:not([hidden]) {
    max-height: 300px;
    margin-top: 0.8rem;
}

/* 联系卡片图标 */
#contact .card h4::before {
    content: '📍 ';
}
#contact .card:nth-child(2) h4::before { content: '📞 '; }
#contact .card:nth-child(3) h4::before { content: '🕐 '; }

/* 客户案例高亮 */
#solution div:last-child p {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent);
}

/* 产品优势列表样式 */
#comics ul li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}
#comics ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* HowTo 步骤样式 */
#howto ol li {
    padding: 0.5rem 0;
    counter-increment: step-counter;
    position: relative;
    padding-left: 2.5rem;
}
#howto ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 1.8rem;
    height: 1.8rem;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}
#howto ol { list-style: none; }

/* 联系信息悬停 */
#contact .card:hover p {
    color: var(--accent);
    transition: color 0.2s;
}

```