/* ====================== 全局基础重置 & 主题变量 ====================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", system-ui, sans-serif;
}

:root {
    --bg: #f4f6f9;
    --card: #ffffff;
    --text: #222222;
    --text-light: #606266;
    --text-weak: #909399;
    --border: #e4e7ed;
    --main: #2563eb;
    --main-hover: #1d4ed8;
    --warning: #f59e0b;
    --gray: #f8f9fa;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.22s ease;
}
[data-theme="dark"] {
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --text-weak: #64748b;
    --border: #334155;
    --main: #3b82f6;
    --main-hover: #60a5fa;
    --warning: #fbbf24;
    --gray: #1a202c;
}

body {
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 0 10px;
    line-height: 1.5;
}

ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: inherit;
}
button {
    cursor: pointer;
    border: 0;
    background: transparent;
}

/* ====================== 顶部通栏导航 最终修复版 ====================== */
.top-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    /*margin-inline: calc(-1 * 15px);*/
    margin-bottom: 20px;
}
.container {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    position: relative;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* 左侧Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 5px;
}
.nav-icon {
    font-size: 34px;
    line-height: 1;
}
.nav-text {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}

/* 主题切换按钮 正确选择器 */
.header-right .nav-theme-btn {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background: var(--gray);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
    border: 0;
    color: var(--text);
}
.header-right .nav-theme-btn:hover {
    background: var(--card);
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    font-size: 30px;
    color: var(--text);
    border: 0;
    background: transparent;
}

/* PC端横向导航菜单 */
#mainNav ul {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}
#mainNav a {
    font-size: 21px;
    color: var(--text-light);
    transition: var(--transition);
}
#mainNav a:hover {
    color: var(--main);
}
#mainNav a.active {
    color: var(--main);
    font-weight: 500;
}

/* 手机端响应式 */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .menu-toggle {
        display: block;
    }
    #mainNav {
        display: none;
        position: absolute;
        top: 100%;
        left: 16px;
        right: 16px;
        margin-top: 8px;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 24px;
        z-index: 999;
        opacity: 0;
        transition: opacity 0.22s ease;
    }
    #mainNav.show {
        display: block;
        opacity: 1;
    }
    #mainNav ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    #mainNav a {
        font-size: 17px;
    }
    .nav-icon {
        font-size: 28px;
    }
    .nav-text {
        font-size: 30px;
    }
    .header-right .nav-theme-btn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
}

/* ====================== 首页头部搜索区域 ====================== */
.header {
    max-width: 1000px;
    margin: 0 auto 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--main);
    text-align: center;
}
.desc {
    color: var(--text-light);
    font-size: 15px;
    text-align: center;
}
.search-bar {
    display: flex;
    align-items: center;
    background: var(--card);
    border-radius: 999px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    padding: 5px;
    border: 1px solid var(--border);
}
.search-input {
    flex: 1;
    height: 44px;
    padding: 0 20px;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 15px;
    outline: none;
}
.search-btn {
    height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    background: var(--main);
    color: #fff;
    font-size: 14px;
    transition: var(--transition);
}
.search-btn:hover {
    background: var(--main-hover);
}
/* 热门标签 */
.tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
}
.tag {
    padding: 7px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    color: var(--text-light);
    background: var(--card);
    transition: var(--transition);
}
.tag:hover {
    background: var(--main);
    color: #fff;
    border-color: var(--main);
}

/* 移动端搜索栏适配 */
@media screen and (max-width: 576px) {
    .logo {
        font-size: 24px;
    }
    .search-input {
        height: 40px;
        font-size: 14px;
    }
    .search-btn {
        height: 40px;
        padding: 0 14px;
    }
}

/* ====================== 搜索结果列表样式 ====================== */
.result-count {
    max-width: 800px;
    margin: 0 auto 20px;
    font-size: 14px;
    color: var(--text-light);
    padding: 0 8px;
}
.result-list {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.result-item {
    display: block;
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.result-item:hover {
    border-color: var(--main);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.1);
}
.item-title {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.item-desc {
    font-size: 13px;
    color: var(--text-light);
    margin: 6px 0 10px;
    line-height: 1.5;
}
.item-info {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: var(--text-light);
    flex-wrap: wrap;
}

/* 无结果提示框 */
.no-result {
    max-width: 800px;
    margin: 50px auto;
    text-align: center;
    padding: 40px 20px;
    background: var(--card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}
.no-result i {
    font-size: 40px;
    color: var(--text-weak);
    margin-bottom: 16px;
    display: block;
}
.no-result p {
    color: var(--text-light);
    font-size: 15px;
}
.no-result a {
    color: var(--main);
}

/* 分页组件 */
.pagination {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 32px;
    align-items: center;
}
.page-link {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
}
.page-link:hover {
    border-color: var(--main);
    color: var(--main);
}
.page-link.active {
    background: var(--main);
    color: #fff;
    border-color: var(--main);
}

/* ====================== 资源详情页面通用样式 ====================== */
.content-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 22px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.resource-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.resource-info {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    margin-bottom: 25px;
    font-size: 14px;
    color: var(--text-light);
}
.info-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
/* 合规警告框 */
.warning-box {
    background: rgba(245, 158, 0.1);
    border-left: 3px solid var(--warning);
    padding: 14px 16px;
    margin-bottom: 25px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.warning-box strong {
    color: var(--warning);
}
/* 文件文件夹列表 */
.file-folder-box {
    background: var(--gray);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 16px;
    margin-bottom: 25px;
}
.folder-title {
    font-size: 14px;
    color: var(--main);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 20px;
}
.file-item {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-download-link{
    white-space: normal;
}
/* 网盘链接区域 */
.link-box {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}
.link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    /*background: var(--gray);*/
    border-radius: var(--radius-sm);
    /*border: 1px solid var(--border);*/
}
.link-icon {
    font-size: 20px;
    color: var(--main);
}
.link-text {
    flex: 1;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.link-btn {
    padding: 6px 16px;
    background: var(--main);
    color: #fff;
    border-radius: 999px;
    font-size: 13px;
    transition: var(--transition);
}
.link-btn:hover {
    background: var(--main-hover);
}
/* 版权提示 */
.copyright-box {
    background: rgba(59, 130, 0.1);
    border-left: 3px solid var(--main);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-light);
}
.back-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 20px;
    background: transparent;
    color: var(--main);
    border: 1px solid var(--main);
    border-radius: 999px;
    font-size: 14px;
    transition: var(--transition);
}
.back-btn:hover {
    background: var(--main);
    color: #fff;
}

/* 详情页移动端适配 */
@media screen and (max-width: 576px) {
    .content-container {
        padding: 16px;
    }
    .resource-title {
        font-size: 16px;
    }
    .link-item {
        /*flex-direction: column;*/
        /*align-items: flex-start;*/
    }
    .link-text {
        width: 100%;
        margin-bottom: 8px;
    }
    .link-btn {
        width: 100%;
        text-align: center;
    }
    .file-item {
        font-size: 12px;
    }
}

/* ====================== 页面底部页脚 ====================== */
.footer {
    max-width: 800px;
    margin: 60px auto 20px;
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    line-height: 1.7;
}

/* ====================== 首页专属居中样式 ====================== */
body.index-page {
    padding: 40px 15px;
}
.wrap {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}
.wrap .logo {
    font-size: 36px;
    margin: 30px 0 10px;
}
.search-box {
    display: flex;
    align-items: center;
    background: var(--card);
    border-radius: 999px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    padding: 6px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
}
.search-box .search-input {
    height: 48px;
    font-size: 16px;
}
.search-box .search-btn {
    height: 48px;
    padding: 0 26px;
    font-size: 15px;
}