/* 故宫风格 - 远辰软件开发计划 */

:root {
    /* 故宫经典配色 */
    --forbidden-red: #b80000;      /* 故宫红 */
    --forbidden-gold: #ffd700;     /* 故宫金 */
    --forbidden-black: #1a1a1a;    /* 故宫黑 */
    --forbidden-white: #f5f5f5;    /* 故宫白 */
    --forbidden-gray: #8c8c8c;     /* 故宫灰 */
    
    /* 辅助色 */
    --primary-color: var(--forbidden-red);
    --secondary-color: var(--forbidden-gold);
    --text-color: var(--forbidden-black);
    --light-bg: var(--forbidden-white);
    --dark-bg: var(--forbidden-black);
}

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

body {
    font-family: "Microsoft YaHei", "SimSun", "KaiTi", serif;
    line-height: 2.0;
    color: var(--text-color);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

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

/* 导航栏 - 故宫风格 */
.header {
    background-color: var(--forbidden-red);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--forbidden-gold);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 28px;
    color: var(--forbidden-white);
    text-decoration: none;
    font-weight: bold;
    letter-spacing: 2px;
    font-family: "KaiTi", "SimSun", serif;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: var(--forbidden-white);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 故宫元素装饰 */
.forbidden-palace-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, transparent 48%, var(--forbidden-red) 48%, var(--forbidden-red) 52%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, var(--forbidden-red) 48%, var(--forbidden-red) 52%, transparent 52%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    opacity: 0.1;
    pointer-events: none;
    z-index: -1;
}

/* 首页布局 - 故宫风格 */
.home-banner {
    background: linear-gradient(135deg, rgba(184, 0, 0, 0.9) 0%, rgba(184, 0, 0, 0.7) 100%);
    color: var(--forbidden-white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.home-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, rgba(184, 0, 0, 0.3) 0%, transparent 100%);
}

.home-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, transparent 0%, rgba(184, 0, 0, 0.3) 100%);
}

.palace-seal {
    font-size: 80px;
    margin: 0 auto 20px;
    color: var(--forbidden-gold);
    opacity: 0.9;
    font-family: "KaiTi", "SimSun", serif;
}

.home-title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 20px;
    font-family: "KaiTi", "SimSun", serif;
    letter-spacing: 4px;
}

.home-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.palace-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--forbidden-gold);
    color: var(--forbidden-black);
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    font-family: "Microsoft YaHei", sans-serif;
    transition: all 0.3s ease;
    border: 2px solid var(--forbidden-gold);
}

.palace-button:hover {
    background-color: var(--forbidden-red);
    color: var(--forbidden-white);
    border-color: var(--forbidden-red);
    transform: translateY(-3px);
}

/* 特色栏目 - 故宫风格 */
.feature-section {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--forbidden-red);
    margin-bottom: 50px;
    font-family: "KaiTi", "SimSun", serif;
    letter-spacing: 2px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--forbidden-white);
    border: 2px solid var(--forbidden-red);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(184, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--forbidden-red), var(--forbidden-gold));
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(184, 0, 0, 0.2);
}

.feature-icon {
    font-size: 50px;
    color: var(--forbidden-red);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 24px;
    color: var(--forbidden-red);
    margin-bottom: 15px;
    font-family: "KaiTi", "SimSun", serif;
}

.feature-text {
    font-size: 16px;
    color: var(--forbidden-gray);
    line-height: 1.8;
}

/* 故宫元素装饰 */
.palace-pattern {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(184, 0, 0, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255, 215, 0, 0.05) 0%, transparent 40%);
    background-size: 300px 300px, 400px 400px;
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
}

/* 页脚 - 故宫风格 */
.footer {
    background-color: var(--forbidden-black);
    color: var(--forbidden-white);
    padding: 50px 0;
    border-top: 3px solid var(--forbidden-red);
}

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

.footer-title {
    font-size: 24px;
    color: var(--forbidden-gold);
    margin-bottom: 20px;
    font-family: "KaiTi", "SimSun", serif;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info {
    flex: 1;
    padding: 0 20px;
}

.footer-info h3 {
    color: var(--forbidden-gold);
    margin-bottom: 15px;
    font-size: 18px;
}

.footer-info p {
    font-size: 14px;
    color: var(--forbidden-gray);
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .home-banner {
        padding: 60px 0;
    }
    
    .home-title {
        font-size: 32px;
    }
    
    .home-subtitle {
        font-size: 18px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

/* 故宫装饰边框 */
.palace-border {
    border: 2px solid var(--forbidden-red);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 215, 0, 0.05) 100%);
}

/* 故宫图标按钮 */
.palace-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--forbidden-red);
    color: var(--forbidden-white);
    border: 2px solid var(--forbidden-red);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: "Microsoft YaHei", sans-serif;
    font-weight: bold;
}

.palace-btn:hover {
    background-color: var(--forbidden-gold);
    color: var(--forbidden-black);
    border-color: var(--forbidden-gold);
    transform: translateY(-2px);
}

.palace-btn .palace-icon {
    margin-right: 8px;
}

/* 故宫特色栏目 */
.palace-showcase {
    text-align: center;
    margin: 40px 0;
}

.palace-showcase-image {
    width: 300px;
    height: 200px;
    background-color: var(--forbidden-white);
    border: 2px solid var(--forbidden-red);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--forbidden-red);
    opacity: 0.8;
}

.palace-showcase-text {
    font-size: 18px;
    color: var(--forbidden-red);
    margin-top: 20px;
    font-family: "KaiTi", "SimSun", serif;
}