/* Header 导航栏样式 - 与Footer统一风格 */

/* Header 主容器 - 全屏宽度 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), rgba(26, 26, 26, 0.9));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 15px 0;
    border-bottom: 1px solid rgba(51, 51, 51, 0.8);
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    padding: 10px 0;
}

/* Header 内容容器 - 限制最大宽度 */
.header > div,
.header nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header 布局 */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 品牌区域 */
.header-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.brand-link:hover {
    transform: scale(1.05);
}

.brand-icon {
    width: 45px;
    height: 45px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(255, 20, 147, 0.4);
    transition: all 0.3s ease;
}

.brand-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(255, 20, 147, 0.6);
}

.site-name-link {
    text-decoration: none;
}

.header-brand h1 {
    font-size: 2rem;
    font-weight: normal;
    color: #E91E63;
    margin: 0;
    letter-spacing: 1px;
    white-space: nowrap;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 行书字体样式 */
.cursive-font {
    font-family: "STXingkai", "Xingkai SC", "楷体", "KaiTi", "华文行楷", "STXingkai", "LiSu", "SimSun", serif;
    font-weight: normal;
    font-style: normal;
}

/* 导航按钮区域 */
.nav-buttons {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-buttons > a {
    color: #C0C0C0;
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    padding: 10px 18px;
    border-radius: 6px;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-weight: 500;
}

.nav-buttons > a:hover {
    color: #E91E63;
    background: rgba(233, 30, 99, 0.15);
    transform: translateY(-2px);
}

.nav-buttons > a.active {
    color: #fff;
    background: rgba(233, 30, 99, 0.25);
    box-shadow: 0 2px 8px rgba(233, 30, 99, 0.3);
}

/* 用户菜单 - 简化版本 */
.user-menu {
    position: relative;
}

.user-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: transparent;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.user-display:hover {
    background: rgba(51, 51, 51, 0.3);
    transform: translateY(-1px);
}

/* 用户头像容器 */
.user-avatar-container {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid #E91E63;
    transition: all 0.3s ease;
}

.user-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.user-display:hover .user-avatar {
    transform: scale(1.05);
}

.user-name {
    color: #C0C0C0;
    font-size: 0.85rem;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 400;
}

.dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

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

.arrow-icon {
    color: #C0C0C0;
    font-size: 0.6rem;
    transition: transform 0.3s ease;
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 8px;
    border: 1px solid rgba(51, 51, 51, 0.6);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    padding: 8px 0;
    min-width: 150px;
    display: none;
    z-index: 1001;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: #C0C0C0;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(51, 51, 51, 0.3);
}

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

.dropdown-menu a:hover {
    background: rgba(233, 30, 99, 0.15);
    color: #E91E63;
    padding-left: 20px;
}

/* 汉堡菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #C0C0C0;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    border-radius: 6px;
    transition: all 0.3s ease;
    z-index: 1002;
}

.mobile-menu-toggle:hover {
    color: #E91E63;
    background: rgba(233, 30, 99, 0.1);
}

.mobile-menu-toggle i {
    display: block;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .header-brand h1 {
        font-size: 1.6rem;
    }

    .nav-buttons {
        gap: 15px;
    }

    .nav-buttons > a {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .header > div,
    .header nav {
        padding: 0 15px;
    }

    .brand-icon {
        width: 38px;
        height: 38px;
    }

    .header-brand h1 {
        font-size: 1.4rem;
    }

    /* 显示汉堡菜单按钮 */
    .mobile-menu-toggle {
        display: block;
    }

    /* 移动端导航菜单 */
    .nav-buttons {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid rgba(51, 51, 51, 0.8);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        gap: 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-buttons.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-buttons > a {
        width: 100%;
        text-align: center;
        padding: 16px 20px;
        border-bottom: 1px solid rgba(51, 51, 51, 0.3);
        font-size: 1rem;
    }

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

    /* 移动端用户菜单 - 移除背景填充 */
    .user-menu {
        width: 100%;
        border-top: 1px solid rgba(51, 51, 51, 0.5);
        padding-top: 15px;
        margin-top: 10px;
    }

    .user-display {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
        border-radius: 25px;
        background: transparent !important; /* 移除背景 */
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .dropdown-menu {
        position: static;
        transform: none;
        display: block;
        margin-top: 10px;
        box-shadow: none;
        background: transparent !important; /* 移除背景 */
        border: none; /* 移除边框 */
        border-radius: 0;
        padding: 0;
    }

    .dropdown-menu a {
        text-align: center;
        padding: 14px 20px;
        border-bottom: 1px solid rgba(51, 51, 51, 0.3);
        background: transparent !important; /* 移除背景 */
        color: #C0C0C0;
    }

    .dropdown-menu a:hover {
        background: rgba(233, 30, 99, 0.1) !important; /* 简化悬停效果 */
        color: #E91E63;
        padding-left: 20px;
    }

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

    /* 移动端隐藏下拉箭头 */
    .dropdown-toggle {
        display: none;
    }
}

@media (max-width: 480px) {
    .header > div,
    .header nav {
        padding: 0 10px;
    }

    .header-brand h1 {
        font-size: 1.2rem;
    }

    .brand-icon {
        width: 35px;
        height: 35px;
    }

    .user-display span {
        max-width: 100px;
        font-size: 0.9rem;
    }

    .nav-buttons > a {
        font-size: 0.95rem;
        padding: 14px 15px;
    }

    .user-avatar-container {
        width: 30px;
        height: 30px;
    }
}

/* 为页面内容添加顶部间距,避免被固定header遮挡 */
body {
    padding-top: 80px;
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
}

/* 滚动动画 */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header {
    animation: slideDown 0.5s ease-out;
}

/* 防止移动端菜单打开时页面滚动 */
body.menu-open {
    overflow: hidden;
}

@media (min-width: 769px) {
    body.menu-open {
        overflow: auto;
    }
}