/* 全局 */
body {
    margin: 0;
    color: #1d6c8b; /* 深蓝文字 */
    background: linear-gradient(135deg, #f6e781 0%, #b7d77e 35%, #58b79d 65%, #1d6c8b 100%);
    font-size: 1.1rem;
    font-family: "Helvetica Neue", "Segoe UI", "Georgia", serif;

    background-attachment: fixed; /* 固定渐变背景，像艺术画布 */
}

/* 链接：深蓝 → 青绿 hover */
a {
    color: #1d6c8b;
    text-decoration: none;  
    border-bottom: 1px solid rgba(29,108,139,0.2); /* 默认淡淡的下划线 */
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

a:hover {
    color: #58b79d;
    border-bottom-color: #58b79d; /* hover 时变成明显的青绿色 */
}

a:active {
    color: #f6e781;
    border-bottom-color: #f6e781; /* 点击时金黄色 */
}


/* 顶部导航栏 */
.header-bar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #1d6c8b;
    padding: 0.8em 1em;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);

    display: flex;
    flex-direction: column;  /* 纵向排列 */
    align-items: center;     /* 居中 */
}


.header-bar-left h1 {
    font-family: "Garamond", "Georgia", serif;
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5em 0;
    background: linear-gradient(90deg, #1d6c8b, #58b79d, #b7d77e, #f6e781);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    letter-spacing: 1px;
}

/* 顶部菜单 */
.header-bar-right > ul {
    text-align: center;
    padding-left: 0;
    margin: 1em;
}

.header-bar-right > ul > li {
    display: inline-block;
}

.header-bar-right > ul > li > a {
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-block;
    padding: 0.5em 1em;
    color: #1d6c8b;
    transition: all 0.3s ease;
}

.header-bar-right > ul > li > a:hover {
    color: #58b79d;
    transform: translateY(-2px);
}

.header-bar-right > ul > li > a:active {
    color: #f6e781;
}

/* 主体内容 */
.main-content {
    padding: 2em;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    max-width: 1000px;
    margin: 2em auto;
}

.main-content h2, .main-content h3 {
    color: #1d6c8b;
    font-family: "Garamond", "Georgia", serif;
}

/* 日程列表 */
.schedule-list {
    padding: 0;
}

.schedule-list li {
    list-style: none;
    background: linear-gradient(135deg, #f6e781cc, #b7d77ecc);
    border: 1px solid #1d6c8b;
    border-radius: 10px;
    padding: 1.5em;
    margin: 1.5em 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.schedule-list li:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.schedule-info {
    margin-bottom: 0.6em;
    text-align: center;
    font-weight: bold;
    color: #1d6c8b;
}

/* 页脚 */
footer {
    background: linear-gradient(90deg, #1d6c8b, #58b79d);
    color: #f6e781;
    border-top: 2px solid #b7d77e;
    padding: 1em;
    margin-top: 2em;
    text-align: center;
}

footer a {
    color: #f6e781;
}

footer a:hover {
    color: #b7d77e;
}