/* 色彩与基础变量 */
:root {
    --bg-cream: #F4F1E8;
    --moss-green: #2F5D50;
    --ink: #23312B;
    --amber: #C97B2D;
    --hairline: #DDD6C4;
}

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

body {
    background-color: var(--bg-cream);
    color: var(--ink);
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 300;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 排版系统 */
.serif {
    font-family: 'Noto Serif SC', 'Fraunces', serif;
}

.latin {
    font-family: 'Fraunces', serif;
}

.italic-latin {
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-weight: 300;
}

h1, h2, h3 {
    color: var(--moss-green);
    font-weight: 400;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 导航栏 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 40px;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    color: var(--moss-green);
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a:not(.btn) {
    color: var(--ink);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.4s ease;
}

.nav-links a:not(.btn):hover {
    color: var(--moss-green);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.4s ease;
}

.btn-primary {
    background-color: var(--moss-green);
    color: var(--bg-cream);
    border: 1px solid var(--moss-green);
}

.btn-primary:hover {
    background-color: var(--ink);
    border-color: var(--ink);
    color: var(--bg-cream);
}

.btn-outline {
    background-color: transparent;
    color: var(--moss-green);
    border: 1px solid var(--moss-green);
}

.btn-outline:hover {
    background-color: var(--bg-cream);
    border-color: var(--ink);
    color: var(--ink);
}

/* 链接样式 */
.link-serif {
    font-family: 'Noto Serif SC', serif;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 2px;
    transition: all 0.4s ease;
}

.link-serif:hover {
    color: var(--amber);
    border-bottom-color: var(--amber);
}

/* 主视觉区 Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 60px 40px 120px;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.sub-copy {
    font-size: 1.1rem;
    color: var(--ink);
    opacity: 0.8;
    margin-bottom: 40px;
    max-width: 400px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.flow-diagram {
    width: 100%;
    max-width: 400px;
}

.svg-text {
    font-size: 14px;
    fill: var(--moss-green);
}

/* 章节通用结构 */
.chapter {
    padding: 80px 40px;
    border-top: 1px solid var(--hairline);
}

.chapter-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 60px;
}

.chapter-num {
    font-size: 1rem;
    color: var(--amber);
}

.chapter h2 {
    font-size: 1.8rem;
    letter-spacing: 0.05em;
}

/* 理念区 */
.philosophy-content {
    max-width: 700px;
    margin: 0 auto 60px;
    font-size: 1.15rem;
    line-height: 2;
}

.drop-cap {
    float: left;
    font-size: 4rem;
    line-height: 0.8;
    padding-top: 4px;
    padding-right: 16px;
    color: var(--moss-green);
}

/* 数据统计行 */
.stats-row {
    display: flex;
    justify-content: space-around;
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 40px 0;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 2.5rem;
    color: var(--moss-green);
    margin-bottom: 8px;
}

.stat-small {
    font-size: 1rem;
    font-family: 'Noto Sans SC', sans-serif;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--ink);
    opacity: 0.7;
    letter-spacing: 0.05em;
}

/* 方案与价格 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.pricing-card {
    border: 1px solid var(--hairline);
    padding: 40px;
    background-color: var(--bg-cream);
    display: flex;
    flex-direction: column;
    transition: transform 0.6s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.pricing-card .latin {
    display: block;
    font-size: 0.9rem;
    color: var(--amber);
    margin-top: 4px;
}

.price {
    font-size: 2.2rem;
    color: var(--moss-green);
    margin: 20px 0;
}

.period {
    font-size: 1rem;
    font-family: 'Noto Sans SC', sans-serif;
}

.hairline-divider {
    border: 0;
    border-top: 1px solid var(--hairline);
    margin: 20px 0 30px;
}

.features {
    list-style: none;
    margin-bottom: 40px;
    flex-grow: 1;
}

.features li {
    font-size: 0.95rem;
    margin-bottom: 16px;
    position: relative;
    padding-left: 16px;
}

.features li::before {
    content: "·";
    position: absolute;
    left: 0;
    color: var(--amber);
    font-weight: bold;
}

.pricing-card .btn {
    text-align: center;
    width: 100%;
}

/* 评价与延伸 */
.testimonial {
    max-width: 800px;
    margin: 0 auto 80px;
    text-align: center;
}

.testimonial blockquote {
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--moss-green);
    margin-bottom: 24px;
}

.testimonial-author {
    font-size: 1rem;
    color: var(--ink);
}

.resources-box {
    text-align: center;
    padding: 40px;
    border: 1px solid var(--hairline);
    max-width: 600px;
    margin: 0 auto;
}

.resources-box p {
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* 页脚 */
.footer {
    border-top: 1px solid var(--amber); /* Thin gold/amber rule */
    padding: 60px 40px;
    margin-top: 40px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.logo-small {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--moss-green);
    font-size: 1.2rem;
}

.copyright {
    font-size: 0.85rem;
    color: var(--ink);
    opacity: 0.6;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--ink);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.4s ease;
}

.footer-links a:hover {
    color: var(--amber);
}

/* 响应式适配 */
@media (max-width: 800px) {
    .container {
        padding: 0 20px;
    }
    
    .navbar {
        padding: 20px;
        flex-direction: column;
        gap: 20px;
    }
    
    .hero {
        flex-direction: column;
        padding: 40px 20px 80px;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
    }
}


/* 博客与资讯模块 */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.blog-card { border: 1px solid var(--hairline); background: var(--bg-cream); padding: 30px; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; transition: transform 0.4s ease; }
.blog-card:hover { transform: translateY(-4px); border-color: var(--moss-green); }
.blog-meta { font-size: 0.85rem; color: var(--amber); margin-bottom: 12px; font-family: 'Noto Sans SC', sans-serif; }
.blog-title { font-size: 1.3rem; margin-bottom: 16px; line-height: 1.4; color: var(--moss-green); }
.blog-excerpt { font-size: 0.95rem; opacity: 0.8; margin-bottom: 24px; flex-grow: 1; }
.blog-cta { font-family: 'Noto Serif SC', serif; font-size: 0.95rem; color: var(--ink); border-bottom: 1px solid var(--hairline); align-self: flex-start; padding-bottom: 2px; }
.blog-card:hover .blog-cta { color: var(--amber); border-color: var(--amber); }

/* 文章页 */
.blog-article { max-width: 760px; margin: 0 auto; padding: 60px 20px 100px; }
.article-header { margin-bottom: 40px; text-align: center; }
.article-header h1 { font-size: 2.2rem; margin-bottom: 20px; line-height: 1.3; }
.article-meta { font-size: 0.9rem; color: var(--ink); opacity: 0.6; }
.article-content { font-size: 1.05rem; line-height: 1.9; }
.article-content h2 { font-size: 1.6rem; margin: 50px 0 20px; border-bottom: 1px solid var(--hairline); padding-bottom: 12px; color: var(--moss-green); }
.article-content h3 { font-size: 1.3rem; margin: 30px 0 16px; color: var(--moss-green); }
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin: 0 0 24px 24px; }
.article-content li { margin-bottom: 12px; }
.article-content a { color: var(--moss-green); text-decoration: underline; text-decoration-color: var(--amber); transition: color 0.3s; }
.article-content a:hover { color: var(--amber); }

/* FAQ 区 */
.faq-list { margin-top: 40px; border-top: 1px solid var(--hairline); }
.faq-item { border-bottom: 1px solid var(--hairline); padding: 24px 0; }
.faq-question { font-size: 1.2rem; color: var(--moss-green); margin-bottom: 12px; font-weight: 400; }
.faq-answer { font-size: 1.05rem; color: var(--ink); opacity: 0.8; line-height: 1.8; }

/* 英雄区图片与排版 */
.hero-image-wrap { margin-top: 40px; border-radius: 8px; overflow: hidden; box-shadow: 0 20px 40px -15px rgba(0,0,0,0.15); width: 100%; max-width: 480px; aspect-ratio: 4/3; }
.hero-image { width: 100%; height: 100%; object-fit: cover; display: block; filter: brightness(0.95) contrast(1.05); }

/* 下一篇文章与浮动按钮 */
.next-article-box { margin-top: 80px; padding: 40px; border: 1px solid var(--hairline); background-color: var(--bg-cream); text-align: center; border-radius: 4px; transition: border-color 0.4s; text-decoration: none; display: block; }
.next-article-box:hover { border-color: var(--moss-green); }
.next-label { font-size: 0.9rem; color: var(--amber); margin-bottom: 12px; font-family: 'Noto Sans SC', sans-serif; }
.next-title { font-size: 1.4rem; color: var(--moss-green); margin-bottom: 8px; font-family: 'Noto Serif SC', serif; }

.floating-btn { position: fixed; bottom: 40px; right: 40px; width: 50px; height: 50px; background-color: var(--moss-green); color: var(--bg-cream); border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; box-shadow: 0 4px 12px rgba(47, 93, 80, 0.3); transition: transform 0.3s, background-color 0.3s; z-index: 1000; }
.floating-btn:hover { transform: translateY(-4px); background-color: var(--ink); color: var(--bg-cream); }
.floating-btn svg { width: 24px; height: 24px; fill: currentColor; }

@media (max-width: 800px) {
    .floating-btn { bottom: 20px; right: 20px; }
    .hero-image-wrap { max-width: 100%; margin-top: 20px; }
}

/* 可信度与徽章 */
.trust-badge { display: flex; align-items: center; gap: 8px; margin-top: 24px; font-size: 0.9rem; color: var(--ink); font-family: 'Noto Sans SC', sans-serif; }
.trust-stars { color: #00b67a; font-size: 1.1rem; letter-spacing: 1px; }
.social-links { display: flex; gap: 16px; margin-top: 20px; }
.social-links a { color: var(--moss-green); transition: transform 0.3s; }
.social-links a:hover { transform: translateY(-3px); color: var(--amber); }
.social-icon { width: 22px; height: 22px; fill: currentColor; }
.security-badge { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--ink); opacity: 0.7; margin-top: 20px; font-family: 'Noto Sans SC', sans-serif;}
.security-badge svg { width: 14px; height: 14px; fill: currentColor; }
.entity-info { background: var(--bg-cream); border: 1px solid var(--hairline); padding: 30px; margin-top: 40px; border-radius: 6px; }
.entity-info p { margin-bottom: 10px; font-size: 0.95rem; }

/* Affiliate 利益披露 */
.aff-disclosure { background-color: var(--ink); color: var(--bg-cream); text-align: center; padding: 12px 20px; font-size: 0.85rem; font-family: 'Noto Sans SC', sans-serif; }
.aff-disclosure a { color: var(--amber); text-decoration: underline; }
.pros-cons-box { background-color: white; border: 1px solid var(--hairline); padding: 30px; margin-top: 40px; border-radius: 6px; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.pros-box h4 { color: #00b67a; margin-bottom: 12px; font-size: 1.1rem; }
.cons-box h4 { color: #d9534f; margin-bottom: 12px; font-size: 1.1rem; }
.pros-cons-box ul { padding-left: 20px; margin: 0; }
.pros-cons-box li { font-size: 0.95rem; margin-bottom: 8px; opacity: 0.8; }
@media (max-width: 800px) { .pros-cons-box { grid-template-columns: 1fr; gap: 20px; } }