/* Global Styles - Warm Minimalist Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
:root {
    /* 暖调简约风配色 */
    --primary-color: #a67c52;
    --secondary-color: #8b6342;
    --accent-color: #c9a67a;
    
    --bg-primary: #faf8f5;
    --bg-secondary: #f5f0eb;
    --bg-tertiary: #ebe5dd;
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    
    --accent-solid: var(--primary-color);
}
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    padding-top: 80px;
    font-weight: 400;
}
/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--bg-tertiary);
    z-index: 1000;
    padding: 1rem 5%;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 0.5px;
}
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}
.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: 0.3px;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 1px;
}
/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}
/* 移动端菜单样式 */
.mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--bg-tertiary);
    padding: 1.5rem 5%;
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}
.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}
.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.mobile-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
}
.mobile-nav-links a.active {
    color: var(--primary-color);
}
/* Hero Section (Home Page) */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem 2rem; /* 缩小底部间距 */
}
.hero-content {
    max-width: 800px;
}
.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1.2;
}
.hero h2 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem; /* 缩小间距 */
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.4;
}
.hero p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.2rem; /* 大幅缩小到按钮间距 */
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}
/* 桌面端恢复较大字号 */
@media (min-width: 768px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    .hero h2 {
        font-size: 1.6rem;
    }
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
}
.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1.5rem 0; /* 缩小倒计时上下间距 */
}
.countdown-item {
    background-color: var(--bg-secondary);
    padding: 1.5rem 2rem;
    border-radius: 8px;
    border: 1px solid var(--bg-tertiary);
}
.countdown-number {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary-color);
}
.countdown-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}
.email-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 0.5rem;
}
.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 1px solid var(--bg-tertiary);
    border-radius: 6px;
    background-color: white;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.email-input::placeholder {
    color: var(--text-muted);
}
.email-input:focus {
    outline: none;
    border-color: var(--primary-color);
}
.notify-btn {
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}
.notify-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
}
/* Page Sections */
.page-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
.page-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.3px;
}
/* About Page Styles */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.about-text h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}
.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}
.about-features {
    list-style: none;
    margin-top: 2rem;
}
.about-features li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}
.about-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}
.about-image-placeholder {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 1rem;
}
/* Blog Page Styles */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}
.blog-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--bg-tertiary);
    transition: all 0.3s ease;
}
.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(166, 124, 82, 0.08);
}
.blog-image {
    height: 200px;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}
.blog-content {
    padding: 1.5rem;
}
.blog-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}
.blog-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.5;
}
.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.7;
    font-size: 0.95rem;
}
.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}
.read-more:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}
/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--bg-tertiary);
    padding: 2rem 5%;
    text-align: center;
    margin-top: 4rem;
}
.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}
/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero p {
        margin-bottom: 1rem; /* 手机端进一步缩小 */
    }
    
    .countdown {
        gap: 1rem;
        margin: 1rem 0;
    }
    
    .countdown-item {
        padding: 1rem;
    }
    
    .countdown-number {
        font-size: 1.8rem;
    }
    
    /* 邮箱表单移动端适配 */
    .email-form {
        flex-direction: column;
        gap: 1rem !important;
    }
    .email-input {
        width: 100%;
    }    
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}