:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --border-color: #e2e8f0;
    --muted-color: #6b7280;
    --bg-page: #ffffff;
    --bg-card: #ffffff;
    --bg-search: #ffffff;
    --text-main: #333;
    --text-highlight: var(--primary);
    --bg-hero: #d6def9;
    --bg-announcement: #e6ebff;
    --text-typing: #000000;
    --code-background: #ffffff;
    --code-border: #e5e7eb;
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-page: #121212;
        --bg-card: #1e1e1e;
        --bg-search: #2d2d2d;
        --text-main: #f3f4f6;
        --text-highlight: #818cf8;
        --border-color: #374151;
        --bg-hero: #1e2238;
        --bg-announcement: #2a2f4c;
        --text-typing: #f3f4f6;
        --code-background: #1e1e1e;
        --code-border: #374151;
    }
}

/* 深色模式类（手动切换） */
:root.dark {
    --bg-page: #121212;
    --bg-card: #1e1e1e;
    --bg-search: #2d2d2d;
    --text-main: #f3f4f6;
    --text-highlight: #818cf8;
    --border-color: #374151;
    --bg-hero: #1e2238;
    --bg-announcement: #2a2f4c;
    --text-typing: #f3f4f6;
    --code-background: #1e1e1e;
    --code-border: #374151;
}

/* 浅色模式类（手动切换） */
:root.light {
    --bg-page: #ffffff;
    --bg-card: #ffffff;
    --bg-search: #ffffff;
    --text-main: #333;
    --text-highlight: var(--primary);
    --border-color: #e2e8f0;
    --bg-hero: #d6def9;
    --bg-announcement: #e6ebff;
    --text-typing: #000000;
    --code-background: #ffffff;
    --code-border: #e5e7eb;
}

/* 全局样式 */
body {
    background-color: var(--bg-page) !important;
    color: var(--text-main) !important;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* 页面布局 */
.page-wrapper {
    max-width: 1200px !important;
    width: 100% !important;
    padding: 0 1.5rem !important;
    margin: 0 auto !important;
    flex: 1;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* 容器样式 */
.container {
    max-width: 1200px;
}

/* 头部样式 */
.page-header {
    max-width: 1200px;
    width: 100%;
    padding: 1rem 2rem;
    margin: 0 auto;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none !important;
}

.logo img {
    width: 32px;
    height: 32px;
}

.logo strong {
    font-size: 18px !important;
    color: var(--primary) !important;
}

/* 导航栏样式 */
nav.container-fluid ul:nth-child(2) {
    font-size: 0.85rem !important;
    margin-left: auto !important;
    margin-right: 0 !important;
}

nav .contrast {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
}

nav .contrast:hover {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

/* 英雄区域 */
.hero {
    border-radius: 10px !important;
    overflow: hidden !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
    background: var(--bg-hero) !important;
    padding: 1rem 0 !important;
    text-align: center !important;
    margin-bottom: 1rem !important;
}

.hero .contrast {
    padding: 0.5rem 1rem !important;
    font-size: 0.9rem;
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
}

.hero .contrast:hover {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

/* 公告栏 */
.announcement {
    font-size: 14px !important;
    background: var(--bg-announcement) !important;
    border-radius: 10px !important;
    padding: 0.3rem !important;
    margin: 0.5rem 0 !important;
}

.announcement-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
}

.announcement-container {
    position: relative;
    overflow: hidden;
    height: 24px;
    width: 100%;
    display: block !important;
}

.announcement-scroll {
    animation: scroll-up 15s linear infinite;
    width: 100% !important;
}

.announcement-scroll:hover {
    animation-play-state: paused;
}

.announcement-item {
    height: 24px;
    display: flex !important;
    align-items: center !important;
    color: var(--text-main) !important;
    width: 100%;
    height: 24px !important;
    padding: 0 0.5rem !important;
    font-size: 0.8rem !important;
    line-height: 1 !important;
    text-align: left !important;
}

.announcement-item strong {
    flex-shrink: 0;
    margin-right: 6px;
    color: var(--primary);
    white-space: nowrap;
}

.announcement-item span {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    display: block;
}

/* 搜索框样式 */
.search-box {
    position: relative;
    min-width: 300px;
    height: 36px;
}

.search-box input {
    border: 1px solid var(--border-color) !important;
    border-radius: 4px !important;
    margin: 0 !important;
    padding: 0.375rem 2rem 0.375rem 0.5rem !important;
    font-size: 0.85rem !important;
    background: var(--bg-search) !important;
    width: 100% !important;
    height: 100% !important;
    box-sizing: border-box !important;
}

.search-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-color);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0.25rem;
    border-radius: 3px;
}

.search-icon:hover {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.1);
    transform: translateY(-50%) scale(1.1);
}

/* 卡片样式 */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem !important;
    background: var(--bg-card) !important;
    transition: all 0.3s ease;
    margin: 0 !important;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
}

/* 文章卡片 */
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.article-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.article-title a {
    color: var(--primary);
    text-decoration: none;
}

.article-title a:hover {
    color: var(--primary-hover);
}

.article-excerpt {
    color: var(--muted-color);
    line-height: 1.6;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

/* 标签 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--primary);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
}

.tag:hover {
    opacity: 0.9;
    color: white;
}

/* 文章元信息 */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--muted-color);
    align-items: center;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.meta-item i {
    width: 16px;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.read-more:hover {
    text-decoration: underline;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.6rem;
    padding-top: 0.6rem;
    border-top: 1px solid var(--border-color);
}

.page-link {
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.page-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-link.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-link.disabled {
    cursor: not-allowed !important;
    pointer-events: none !important;
    opacity: 0.6;
}

/* 数据统计 */
.stats {
    background: var(--bg-card) !important;
    padding: 1rem 0 !important;
    margin: 1rem 0 !important;
    border-radius: 10px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    text-align: center;
    padding: 0 1rem !important;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-highlight) !important;
    display: block;
    margin-bottom: 0.2rem !important;
}

.stats-grid div {
    color: var(--text-main) !important;
}

/* 标题样式 */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0;
    color: var(--text-highlight);
}

.page-description {
    color: var(--muted-color);
    font-size: 0.9rem;
}

.page-header-area {
    margin-bottom: 1rem;
}

.title-and-button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

/* 按钮样式 */
.button-create {
    background: var(--primary);
    color: white !important;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
}

.button-create:hover {
    background: var(--primary-hover);
    text-decoration: none;
}

/* 文章内容样式 */
.article-content {
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.article-content h1,
.article-content h2,
.article-content h3 {
    color: var(--primary);
    margin: 1.5rem 0 1rem;
}

.article-content p {
    margin-bottom: 1rem;
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
    color: var(--muted-color);
    margin: 1rem 0;
    background: #f9fafb !important;
    padding: 1rem !important;
    border-radius: 4px !important;
}

/* 代码块样式 */
.article-content pre {
    background: var(--code-background) !important;
    border: 1px solid var(--code-border) !important;
    padding: 1rem !important;
    border-radius: 8px !important;
    overflow-x: auto !important;
    margin: 1rem 0 !important;
}

.article-content code {
    font-family: Consolas, 'Fira Code', monospace !important;
    font-size: 0.95rem !important;
}

/* 用户资料弹窗样式 */
.user-profile-popup {
    position: absolute;
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 300px;
    max-width: 400px;
    max-height: 400px;
    overflow-y: auto;
    opacity: 1;
}

.user-profile-popup .popup-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
}

.user-profile-popup .avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
    object-fit: cover;
}

.user-profile-popup .user-info h4 {
    margin: 0 0 0.2rem 0;
    color: var(--text-main);
}

.user-profile-popup .user-info p {
    margin: 0;
    color: var(--muted-color);
    font-size: 0.85rem;
}

.user-profile-popup .user-bio {
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    line-height: 1.4;
}

.user-profile-popup .user-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    font-size: 0.85rem;
    color: var(--muted-color);
}

.user-profile-popup .detail-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.user-profile-popup .loading {
    text-align: center;
    padding: 1rem;
    color: var(--muted-color);
}

/* 用户名样式，添加悬停效果 */
.username-hover {
    cursor: pointer;
    position: relative;
    font-weight: 500;
    color: var(--primary);
}

.username-hover:hover {
    text-decoration: underline;
}

/* 自定义下拉样式 */
.dropdown {
    position: relative;
    display: inline-block;
    width: 600px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 0.25rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 100;
    max-height: 250px;
    overflow-y: auto;
    padding: 0.5rem;
}

.dropdown-menu label {
    display: flex;
    align-items: center;
    padding: 0.4rem;
    cursor: pointer;
}

.dropdown-menu label:hover {
    background: #f1f5f9;
}

/* 回复表单样式 */
.reply-form {
    margin-top: 1rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.reply-form textarea {
    width: 100%;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    resize: vertical;
}

.reply-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.reply-form-cancel,
.reply-form-submit {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.reply-form-cancel {
    background-color: #6c757d;
    color: white;
}

.reply-form-submit {
    background-color: var(--primary);
    color: white;
}

.reply-form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 子评论的回复表单样式 */
.child-comment-item .reply-form {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background-color: #e9ecef;
}

.child-comment-item .reply-form textarea {
    font-size: 0.85rem;
}

.child-comment-item .reply-form-cancel,
.child-comment-item .reply-form-submit {
    font-size: 0.8rem;
}

/* 评论样式 */
.comments-section {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.comment-form {
    margin-bottom: 2rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.comment-item {
    margin-bottom: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.comment-author {
    font-weight: bold;
    color: var(--primary);
}

.comment-content {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.comment-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

.comment-actions {
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.child-comments {
    margin-left: 2rem;
    margin-top: 1rem;
    border-left: 2px solid var(--border-color);
    padding-left: 1rem;
}

.child-comment-item {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.reply-title {
    font-size: 0.75rem;
    color: var(--muted-color);
    margin-bottom: 0.3rem;
}

/* 打字机效果 */
.typing-container {
    display: inline-flex;
    align-items: flex-start;
    gap: 4px;
    overflow: hidden;
}

.typing-text {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    width: 0;
    color: var(--text-typing) !important;
    caret-color: transparent !important;
    animation: typing 2s steps(35, end) forwards;
}

.typing-text.line1 {
    animation-delay: 0.5s;
}

.typing-text.line2 {
    animation-delay: 2.8s;
}

.typing-cursor {
    color: var(--primary) !important;
    font-weight: bold;
    font-size: 0.9rem !important;
    opacity: 0;
    animation: show-cursor 0s 0.5s forwards,
    blink 1s step-end infinite 0.5s,
    fade-out 0s 2.5s forwards;
}

.typing-cursor.line2-cursor {
    opacity: 0;
    animation: show-cursor 0s 2.8s forwards,
    blink 1s step-end infinite 2.8s,
    fade-out 0s 5s forwards;
}

/* 动画 */
@keyframes scroll-up {
    0%,
    20% {
        transform: translateY(0);
    }

    25%,
    45% {
        transform: translateY(-24px);
    }

    50%,
    70% {
        transform: translateY(-48px);
    }

    75%,
    95% {
        transform: translateY(-72px);
    }

    100% {
        transform: translateY(0);
    }
}

@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink {
    from,
    to {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

@keyframes fade-out {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes show-cursor {
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 隐藏类 */
.hidden {
    display: none !important;
}

/* 移动端导航栏适配 */
@media (max-width: 992px) {
    .page-wrapper {
        padding: 0 1rem !important;
    }

    .announcement-row {
        display: flex !important;
        flex-direction: column;
        gap: 0.8rem !important;
        padding: 0.5rem 0 !important;
    }

    .search-box {
        min-width: 100% !important;
        width: 100% !important;
        height: 38px;
    }

    .search-box input {
        font-size: 16px !important;
    }
}

@media (max-width: 768px) {
    .typing-text {
        animation: typing 1.8s steps(25, end) forwards !important;
    }

    .typing-text.line2 {
        animation-delay: 1.8s !important;
    }

    .typing-cursor.line2-cursor {
        animation: show-cursor 0s 1.8s forwards, blink 1s step-end infinite 1.8s, fade-out 0s 3.6s forwards !important;
    }

    .content-container {
        padding: 1rem;
    }

    .page-title {
        font-size: 1.0rem;
    }

    .content-card {
        padding: 1rem;
    }

    .content-title {
        font-size: 1.1rem;
    }

    .content-meta {
        font-size: 0.8rem;
    }
}

/* 注册按钮微调 */
.btn-register {
    padding: 0.3rem 0.5rem !important;
    font-size: 0.85rem !important;
    height: auto !important;
    white-space: nowrap;
}

/* 内容容器样式 */
.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* 内容列表样式 */
.content-list {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

/* 内容卡片样式 */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    transition: all 0.2s ease;
}

.content-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 内容标题样式 */
.content-title {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.content-title a {
    color: var(--primary);
    text-decoration: none;
}

.content-title a:hover {
    color: var(--primary-hover);
}

/* 内容摘要样式 */
.content-excerpt {
    color: var(--muted-color);
    line-height: 1.6;
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

/* 内容元信息样式 */
.content-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

/* 内容标签样式 */
.content-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

/* 注册按钮 */
.register-button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border-radius: 4px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
}

.register-button:hover {
    background: var(--primary-hover);
    color: white;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .content-container {
        padding: 1rem;
    }

    .content-card {
        padding: 1rem;
    }

    .content-title {
        font-size: 1.1rem;
    }

    .content-meta {
        font-size: 0.8rem;
    }
}

/* 精华文章标题样式 */
.elite-title {
    font-size: 24px;
    font-weight: 600;
    text-shadow: 0 0 2px rgba(255, 215, 0, 0.4), 0 0 4px rgba(255, 193, 7, 0.2);
}

/* 特性图标 */
.feature-icon {
    font-size: 1.1rem;
    color: var(--primary);
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--muted-color);
}

/* 错误提示 */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}