/* ==========================================================================
   1. 全局样式
   ========================================================================== */
/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础字体和颜色设置 */
body {
    font-family: "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
}

/* ==========================================================================
   2. 布局组件
   ========================================================================== */
/* 头部导航样式 */
.header {
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: all 0.3s ease;
}

.header img {
    height: 40px;
    vertical-align: middle;
    transition: transform 0.3s ease;
}

.header-text {
    font-size: 20px;
    font-weight: bold;
    color: #b13e3e;
    margin: 0 20px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

/* 导航栏样式 */
.nav {
    background: linear-gradient(145deg, #b13e3e, #8b2727);
    position: sticky;
    top: 0;
    overflow: hidden;
    padding: 15px 20px;
    box-shadow: 0 2px 15px rgba(139, 39, 39, 0.4);
    z-index: 100;
    margin-bottom: 30px;
    text-align: center;
}

.nav::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: navShine 4s infinite;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

/* 导航链接基础样式 */
.nav a {
    position: relative;
    overflow: hidden;
    color: white;
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1.1em;
}

/* 导航链接悬停状态 */
.nav a:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* 当前激活的导航链接基础样式 */
.nav a.active {
    background: rgba(255, 255, 255, 0.15);  /* 使用半透明白色作为基础 */
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
    color: white;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);  /* 添加模糊效果 */
}

/* 为激活项添加特殊动效 */
.nav a.active::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.2) 0%,
        transparent 70%
    );
    animation: ripple 2s linear infinite;
}

/* 添加涟漪动画 */
@keyframes ripple {
    0% {
        transform: scale(0.5);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

/* 不同页面的激活状态颜色 */
.nav a[href="index.html"].active {
    background: linear-gradient(145deg, 
        rgba(52, 152, 219, 0.6),
        rgba(41, 128, 185, 0.6)
    );
}

.nav a[href="culture.html"].active {
    background: linear-gradient(145deg, 
        rgba(230, 126, 34, 0.6),
        rgba(211, 84, 0, 0.6)
    );
}

.nav a[href="tourism.html"].active {
    background: linear-gradient(145deg, 
        rgba(155, 89, 182, 0.6),
        rgba(142, 68, 173, 0.6)
    );
}

.nav a[href="history.html"].active {
    background: linear-gradient(145deg, 
        rgba(241, 196, 15, 0.6),
        rgba(243, 156, 18, 0.6)
    );
}

.nav a[href="specialties.html"].active {
    background: linear-gradient(145deg, 
        rgba(46, 204, 113, 0.6),
        rgba(39, 174, 96, 0.6)
    );
}

.nav a[href="folklore.html"].active {
    background: linear-gradient(145deg, 
        rgba(26, 188, 156, 0.6),
        rgba(22, 160, 133, 0.6)
    );
}

.nav a[href="interaction.html"].active {
    background: linear-gradient(145deg, 
        rgba(231, 76, 60, 0.6),
        rgba(192, 57, 43, 0.6)
    );
}

.nav a[href="about.html"].active {
    background: linear-gradient(145deg, 
        rgba(52, 73, 94, 0.6),
        rgba(44, 62, 80, 0.6)
    );
}

.nav a[href="author.html"].active {
    background: linear-gradient(145deg, 
        rgba(127, 140, 141, 0.6),
        rgba(149, 165, 166, 0.6)
    );
}

/* 统一调整所有激活状态的阴影 */
.nav a.active {
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
}

/* 保持其他动画效果不变 */
.nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: navShine 3s infinite;
    animation-delay: calc(0.2s * var(--nav-index));
}

.nav-container a:nth-child(1) { --nav-index: 1; }
.nav-container a:nth-child(2) { --nav-index: 2; }
.nav-container a:nth-child(3) { --nav-index: 3; }
.nav-container a:nth-child(4) { --nav-index: 4; }
.nav-container a:nth-child(5) { --nav-index: 5; }
.nav-container a:nth-child(6) { --nav-index: 6; }
.nav-container a:nth-child(7) { --nav-index: 7; }
.nav-container a:nth-child(8) { --nav-index: 8; }
.nav-container a:nth-child(9) { --nav-index: 9; }

@keyframes navShine {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

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

/* 响应式导航栏 */
@media screen and (max-width: 768px) {
    .nav {
        padding: 10px 15px;
        position: relative;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 101;
    }

    .nav-container {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: center;
        padding: 0;
        background: #983636;
        position: absolute;
        top: 100%;
        left: 0;

        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-container.show {
        display: flex;
        z-index: 100;
    }

    .nav a {
        width: 100%;
        padding: 15px 20px;
        text-align: center;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav a:last-child {
        border-bottom: none;
    }

    .nav a:hover {
        background: rgba(255, 255, 255, 0.15);
    }

    .nav a.active {
        background: rgba(255, 255, 255, 0.9);
        color: #983636;
    }

    /* 确保导航菜单在显示时不会被其他内容遮挡 */
    .nav {
        z-index: 1000;
    }

    /* 调整移动端头样式 */
    .header {
        padding: 5px 0;
    }

    .header img {
        height: 30px;
    }

    .header-text {
        font-size: 16px;
        margin: 0 10px;
    }

    .header.hide {
        height: 0;
        padding: 0;
        overflow: hidden;
    }

    .nav-container.show {
        display: flex;
        z-index: 100;
        position: fixed;
        top: 44px;
        left: 0;
        right: 0;
    }
}

/* 添加动画效果 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-container.show {
    animation: slideDown 0.3s ease-out;
}

/* 页面内通用样式 */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 页脚样式 */
.footer {
    background-color: #f8f8f8;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #3c3434;
    border-top: 1px solid #e7e7e7;
}

/* 修改头部Logo样式 */
.header img {
    transition: all 0.3s ease;
}

/* 修改头部文字样式 */
.header-text {
    position: relative;
    overflow: hidden;
}

.header-text::after {
    display: none;
}

/* 移除Logo动画 */
@keyframes logoGlow {
    /* 删除 */
}