@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Karla:wght@400;700&display=swap');

/* 基础设定 */
:root {
    --bg-paper: #F2EAD9;
    --text-ink: #22201B;
    --accent-vermilion: #C4472B;
    --surface-sand: #D9C9A8;
    
    --font-heading: 'DM Serif Display', "Songti SC", "SimSun", serif;
    --font-body: 'Karla', "-apple-system", BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px; /* 预留给顶部悬浮导航栏的空间 */
}

body {
    font-family: var(--font-body);
    color: var(--text-ink);
    line-height: 1.6;
    background-color: var(--bg-paper);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-ink);
    font-weight: normal;
    margin-bottom: 15px;
    line-height: 1.3;
}

h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 10px;
}

h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background-color: var(--text-ink);
}

/* 分隔线与装饰 */
.hairline {
    border-top: 1px solid var(--text-ink);
    margin: 40px 0;
}
.dotted-line {
    border-top: 1px dotted var(--text-ink);
    margin: 20px 0;
}

/* 导航栏 */
.navbar {
    border-bottom: 1px solid var(--text-ink);
    padding: 15px 0;
    position: sticky;
    top: 0;
    background-color: rgba(242, 234, 217, 0.95);
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.stamp-logo {
    font-family: var(--font-heading);
    color: var(--accent-vermilion);
    border: 2px dashed var(--accent-vermilion);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    text-align: center;
    line-height: 1;
    transform: rotate(-10deg);
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-ink);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--accent-vermilion);
}

/* 按钮通用样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 32px;
    font-size: 1.1rem;
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--text-ink);
}

.btn-primary {
    background-color: var(--text-ink);
    color: var(--bg-paper);
}

.btn-primary:hover {
    background-color: var(--accent-vermilion);
    border-color: var(--accent-vermilion);
    color: var(--bg-paper);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-ink);
}

.btn-secondary:hover {
    background-color: var(--text-ink);
    color: var(--bg-paper);
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    border-bottom: 1px solid var(--text-ink);
    background-image: radial-gradient(var(--surface-sand) 1px, transparent 1px);
    background-size: 20px 20px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.hero .subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Sections 通用设定 */
section {
    padding: 80px 0;
    border-bottom: 1px solid var(--text-ink);
}

/* 栅格系统 */
.card-grid, .pricing-grid, .review-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

/* 卡片样式 */
.card, .price-card, .review-card {
    background-color: var(--surface-sand);
    padding: 40px 30px;
    border: 1px solid var(--text-ink);
    position: relative;
}

.card {
    text-align: center;
}

.card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-ink);
}

/* 定价表 */
.pricing-grid {
    max-width: 900px;
    margin: 0 auto;
}

.price-card {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.price-card.highlight {
    background-color: var(--bg-paper);
    border: 2px solid var(--accent-vermilion);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%) rotate(2deg);
    background-color: var(--accent-vermilion);
    color: var(--bg-paper);
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 1px dashed var(--bg-paper);
}

.price {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--text-ink);
    margin: 20px 0 30px;
    border-bottom: 1px dotted var(--text-ink);
    padding-bottom: 20px;
}

.price span {
    font-size: 1.2rem;
    font-family: var(--font-body);
}

.price-card ul {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
    flex-grow: 1;
}

.price-card li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.price-card li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent-vermilion);
    font-weight: bold;
}

.price-card .btn {
    width: 100%;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px dotted var(--text-ink);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h4 {
    font-size: 1.3rem;
}

/* Reviews */
.review-card {
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: var(--bg-paper);
}

.review-card p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.review-card .user {
    font-weight: bold;
    text-align: right;
    display: block;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    color: var(--accent-vermilion);
}

/* Footer */
footer {
    padding: 60px 0 40px;
    text-align: center;
    background-color: var(--surface-sand);
}

.footer-links {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-ink);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: bold;
}

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

.copyright {
    font-size: 0.9rem;
    border-top: 1px solid var(--text-ink);
    padding-top: 20px;
    max-width: 800px;
    margin: 0 auto;
    font-family: var(--font-heading);
}

/* Simple Pages */
.page-content {
    background: var(--bg-paper);
    padding: 60px 40px;
    border: 1px solid var(--text-ink);
    margin: 40px auto;
    max-width: 800px;
}

.page-content h3 {
    margin-top: 30px;
    border-bottom: 1px dotted var(--text-ink);
    padding-bottom: 5px;
}

.page-content p, .page-content ul {
    margin-bottom: 15px;
}

.page-content ul {
    padding-left: 20px;
}

/* 响应式媒体查询 */
@media screen and (max-width: 768px) {
    .nav-menu {
        display: none; /* 简易处理：移动端隐藏导航，或可改为下拉 */
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .cta-group {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }
    
    .cta-group .btn {
        width: 100%;
        padding: 18px 20px;
    }
    
    .pricing-grid, .card-grid, .review-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-content {
        padding: 40px 20px;
        margin: 20px auto;
    }
}

/* News and Blog Grid */
.news-grid {
    display: grid;
    gap: 30px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.news-card {
    background: var(--bg-paper);
    border: 1px solid var(--text-ink);
    padding: 30px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
}
.news-card:hover {
    transform: translateY(-5px);
}
.news-meta {
    font-size: 0.85rem;
    color: var(--accent-vermilion);
    margin-bottom: 15px;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.news-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}
.news-card p.summary {
    flex-grow: 1;
    font-size: 0.95rem;
    margin-bottom: 25px;
    color: #444;
}
.news-link {
    text-transform: uppercase;
    font-weight: bold;
    color: var(--text-ink);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    border-top: 1px dotted var(--text-ink);
    padding-top: 15px;
}
.news-link::after {
    content: "→";
    margin-left: 8px;
    transition: transform 0.3s;
}
.news-link:hover {
    color: var(--accent-vermilion);
}
.news-link:hover::after {
    transform: translateX(5px);
}

/* Article Body Typography */
.article-body h2 {
    text-align: left;
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 20px;
}
.article-body h2::after {
    display: none;
}
.article-body p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}
.article-body ul, .article-body ol {
    margin-bottom: 20px;
    padding-left: 20px;
    font-size: 1.1rem;
}
.article-body li {
    margin-bottom: 10px;
}
.article-body a {
    color: var(--accent-vermilion);
    text-decoration: underline;
    text-underline-offset: 4px;
}
.article-body a:hover {
    color: var(--text-ink);
}
.article-body strong {
    font-weight: bold;
}


/* Hero Layout with Image */
.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    text-align: left;
}
.hero-text {
    flex: 1;
}
.hero-text .subtitle {
    margin-left: 0;
    margin-right: 0;
}
.hero-text .cta-group {
    justify-content: flex-start;
}
.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}
.hero-image img {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--text-ink);
    border-radius: 8px;
    box-shadow: 6px 6px 0px var(--text-ink);
}

/* Floating Action Button */
.fab-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--bg-paper);
    color: var(--text-ink);
    border: 2px solid var(--text-ink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    text-decoration: none;
    box-shadow: 4px 4px 0 var(--text-ink);
    transition: all 0.3s ease;
    z-index: 1000;
}
.fab-top:hover {
    background-color: var(--accent-vermilion);
    color: var(--bg-paper);
    border-color: var(--accent-vermilion);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--text-ink);
}

/* Responsive fixes for Hero */
@media screen and (max-width: 768px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    .hero-text .cta-group {
        justify-content: center;
    }
    .hero-image {
        margin-top: 30px;
    }
}