/* 重置和基础样式 */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00D9FF;
    --secondary-color: #7B61FF;
    --accent-color: #00FFC4;
    --text-color: #E0E0E0;
    --text-light: #A0A0A0;
    --text-dark: #808080;
    --bg-color: #0A0E27;
    --bg-dark: #050810;
    --bg-card: #0F1422;
    --border-color: #1A1F35;
    --neon-blue: #00D9FF;
    --neon-purple: #7B61FF;
    --neon-cyan: #00FFC4;
    --shadow-neon: 0 0 20px rgba(0, 217, 255, 0.3);
    --shadow-neon-purple: 0 0 20px rgba(123, 97, 255, 0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow: hidden;
    height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(123, 97, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}


/* 主容器 */
.main-container {
    display: flex;
    height: 100vh;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

/* 左侧固定栏 */
.sidebar {
    width: 320px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    overflow-y: auto;
    position: relative;
    z-index: 10;
}

.sidebar-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

/* 头像区域 */
.avatar-section {
    text-align: center;
}

.avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    border: 2px solid var(--neon-blue);
    box-shadow: 
        0 0 30px rgba(0, 217, 255, 0.3),
        inset 0 0 30px rgba(0, 217, 255, 0.1);
    overflow: hidden;
    position: relative;
}

.avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, rgba(0, 217, 255, 0.1), transparent);
    animation: rotate 8s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar img {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
    object-fit: cover;
    border-radius: 50%;
}

.avatar svg {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}

.avatar svg circle,
.avatar svg path {
    fill: var(--neon-blue);
    opacity: 0.6;
}

.name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.title {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* 标签区域 */
.tags-section {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.3s ease;
    cursor: default;
}

.tag:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

/* 社交图标 */
.social-icons {
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-light);
    transition: all 0.3s ease;
    text-decoration: none;
    background: var(--bg-dark);
    flex: 0 0 auto;
}

.social-icon svg {
    width: 24px;
    height: 24px;
}

.social-icon:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    transform: translateY(-2px);
}

.social-icon.github:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}

.social-icon.qq:hover {
    border-color: #12B7F5;
    color: #12B7F5;
    box-shadow: 0 0 20px rgba(18, 183, 245, 0.3);
}

.social-icon.email:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 196, 0.3);
}

.social-icon.wechat:hover {
    border-color: #07C160;
    color: #07C160;
    box-shadow: 0 0 20px rgba(7, 193, 96, 0.3);
}

/* 工具箱区域 */
.toolbox-section {
    margin-top: 1.5rem;
}

.toolbox-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
    text-align: center;
}

.toolbox-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toolbox-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.toolbox-item:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
    transform: translateX(5px);
}

.toolbox-icon {
    font-size: 1.2rem;
}

.toolbox-label {
    font-size: 0.9rem;
    font-weight: 500;
}

/* 登录按钮 */
.login-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--neon-blue);
    border-radius: 4px;
    color: var(--neon-blue);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
    font-family: inherit;
}

.login-btn:hover {
    background: var(--neon-blue);
    color: var(--bg-color);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.4);
}

.login-btn.logged-in {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.login-btn.logged-in:hover {
    background: var(--neon-cyan);
    color: var(--bg-color);
    box-shadow: 0 0 30px rgba(0, 255, 196, 0.4);
}

/* ==================== 登录模态框样式 ==================== */
.login-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.login-modal.show {
    display: flex;
    opacity: 1;
}

/* 遮罩层 - 降低背景亮度 */
.login-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

/* 模态框内容 */
.login-modal-content {
    position: relative;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: scale(0.7);
    transition: transform 0.3s ease;
    z-index: 2001;
}

.login-modal.show .login-modal-content {
    transform: scale(1);
}

/* 模态框头部 */
.login-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.login-modal-title {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-color);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.login-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
    line-height: 1;
}

.login-modal-close:hover {
    background: var(--bg-dark);
    color: var(--neon-blue);
}

/* 模态框主体 */
.login-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.login-form label {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.login-form input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.login-form input::placeholder {
    color: var(--text-dark);
}

.login-form input:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.login-form .btn {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 600;
}

/* 卡片头部 */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.card-header .card-title {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.edit-btn {
    padding: 0.35rem 0.75rem;
    background: transparent;
    border: 1px solid var(--neon-blue);
    border-radius: 4px;
    color: var(--neon-blue);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.edit-btn:hover {
    background: var(--neon-blue);
    color: var(--bg-color);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
}

.edit-mode-btn {
    padding: 0.35rem 0.75rem;
    background: transparent;
    border: 1px solid var(--neon-purple);
    border-radius: 4px;
    color: var(--neon-purple);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.edit-mode-btn:hover {
    background: var(--neon-purple);
    color: var(--bg-color);
    box-shadow: 0 0 15px rgba(123, 97, 255, 0.3);
}

.edit-mode-btn.active {
    background: var(--neon-purple);
    color: var(--bg-color);
}

/* 博客和笔记项 */
.blog-item,
.note-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.blog-item-content,
.note-item-content {
    flex: 1;
    min-width: 0;
}

.blog-item .delete-btn,
.note-item .delete-btn,
.message-item .delete-btn {
    width: 28px;
    height: 28px;
    background: var(--bg-card);
    border: 1px solid var(--primary-color);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex-shrink: 0;
    font-family: inherit;
    padding: 0;
    margin-right: 8px;
}

.blog-item .delete-btn:hover,
.note-item .delete-btn:hover,
.message-item .delete-btn:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
    transform: scale(1.1);
}

/* 右侧主内容区 */
.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    position: relative;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1.5rem;
    height: 100%;
    max-height: calc(100vh - 4rem);
}

/* 卡片通用样式 */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.5px;
}

/* 博客卡片 */
.blog-card {
    grid-column: 1;
    grid-row: 1;
}

.blog-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.blog-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-item:last-child {
    border-bottom: none;
}

.blog-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    cursor: pointer;
}

.blog-title:hover {
    color: var(--neon-blue);
}

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.blog-date {
    font-size: 0.8rem;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
}

.card-link {
    margin-top: 1rem;
    color: var(--neon-blue);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.card-link:hover {
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    transform: translateX(5px);
}

/* 时钟卡片 */
.clock-card {
    grid-column: 2;
    grid-row: 1;
}

.clock-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.clock {
    width: 200px;
    height: 200px;
    position: relative;
}

.clock-face {
    width: 100%;
    height: 100%;
    border: 2px solid var(--neon-blue);
    border-radius: 50%;
    position: relative;
    box-shadow: 
        0 0 30px rgba(0, 217, 255, 0.3),
        inset 0 0 30px rgba(0, 217, 255, 0.1);
}

.hand {
    position: absolute;
    background: var(--neon-blue);
    transform-origin: bottom center;
    box-shadow: 0 0 5px rgba(0, 217, 255, 0.8);
}

.hour-hand {
    width: 4px;
    height: 60px;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px 2px 0 0;
}

.minute-hand {
    width: 3px;
    height: 80px;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 1.5px 1.5px 0 0;
}

.second-hand {
    width: 2px;
    height: 90px;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--neon-cyan);
    box-shadow: 0 0 5px rgba(0, 255, 196, 0.8);
}

.center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--neon-blue);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.8);
    z-index: 10;
}

.digital-clock {
    text-align: center;
}

.time-display {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-blue);
    font-family: 'JetBrains Mono', monospace;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.date-display {
    font-size: 0.9rem;
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 1px;
}

/* 留言卡片 */
.message-card {
    grid-column: 1;
    grid-row: 2;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.message-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.2);
}

.message-list {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 100px; /* 确保有足够的点击区域 */
    cursor: pointer; /* 显示可点击状态 */
}

.message-item {
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
}

.message-item-content {
    flex: 1;
    min-width: 0; /* 允许内容收缩 */
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.message-author {
    font-weight: 600;
    color: var(--neon-blue);
    font-size: 0.9rem;
}

.message-time {
    font-size: 0.8rem;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
}

.message-content {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.message-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.message-form .form-group {
    width: 100%;
}

.message-form input,
.message-form textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.message-form input:focus,
.message-form textarea:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.message-form textarea {
    resize: vertical;
    min-height: 80px;
}

/* ==================== 留言板模态框样式 ==================== */
.message-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.message-modal.show {
    display: flex;
    opacity: 1;
}

/* 遮罩层 - 降低背景亮度 */
.message-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

/* 模态框内容 */
.message-modal-content {
    position: relative;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: scale(0.7);
    transition: transform 0.3s ease;
    z-index: 1001;
}

.message-modal.show .message-modal-content {
    transform: scale(1);
}

/* 模态框头部 */
.message-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.message-modal-title {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-color);
}

.message-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.message-modal-close:hover {
    background: var(--bg-dark);
    color: var(--neon-blue);
}

/* 模态框主体 */
.message-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 模态框中的留言列表 */
.message-list-modal {
    flex: 1;
    overflow-y: auto;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-right: 0.5rem;
}

.message-list-modal::-webkit-scrollbar {
    width: 6px;
}

.message-list-modal::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-radius: 3px;
}

.message-list-modal::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.message-list-modal::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
}

/* 模态框中的表单 */
.message-modal-body .message-form {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary:hover {
    background: var(--neon-blue);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
}

/* 学习笔记卡片 */
.notes-card {
    grid-column: 2;
    grid-row: 2;
}

.notes-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.note-item {
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.note-item:hover {
    border-color: var(--neon-purple);
    box-shadow: 0 0 10px rgba(123, 97, 255, 0.2);
}

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

.note-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.note-title:hover {
    color: var(--neon-purple);
}

.note-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--neon-purple);
    font-family: 'JetBrains Mono', monospace;
}

.note-excerpt {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.note-date {
    font-size: 0.8rem;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .blog-card,
    .clock-card,
    .message-card,
    .notes-card {
        grid-column: 1;
        grid-row: auto;
    }

    .sidebar {
        width: 280px;
    }
}

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
    }

    .sidebar-content {
        flex-direction: row;
        gap: 1.5rem;
        align-items: center;
    }

    .avatar {
        width: 100px;
        height: 100px;
        margin: 0;
    }

    .name {
        font-size: 1.3rem;
    }

    .tags-section {
        flex: 1;
    }

    .social-icons {
        flex-direction: row;
    }

    .main-content {
        padding: 1.5rem;
    }

    .content-grid {
        gap: 1rem;
    }

    .clock {
        width: 150px;
        height: 150px;
    }

    .time-display {
        font-size: 1.5rem;
    }

    /* 留言板模态框移动端优化 */
    .message-modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .message-modal-header {
        padding: 1rem;
    }

    .message-modal-title {
        font-size: 1.2rem;
    }

    .message-modal-body {
        padding: 1rem;
    }

    .message-list-modal {
        max-height: 300px;
    }
}

/* 小屏幕手机适配 (480px以下) */
@media (max-width: 480px) {
    body {
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch; /* iOS平滑滚动 */
    }

    /* 触摸优化 */
    * {
        -webkit-tap-highlight-color: transparent; /* 移除点击高亮 */
    }

    button,
    a,
    .card {
        touch-action: manipulation; /* 优化触摸响应 */
    }

    .sidebar {
        padding: 1rem;
    }

    .sidebar-content {
        gap: 1rem;
    }

    .avatar {
        width: 80px;
        height: 80px;
    }

    .name {
        font-size: 1.1rem;
    }

    .title {
        font-size: 0.85rem;
    }

    .tag {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }

    .social-icon {
        width: 32px;
        height: 32px;
    }

    .main-content {
        padding: 1rem;
    }

    .content-grid {
        gap: 0.75rem;
    }

    .card {
        padding: 1rem;
    }

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

    .blog-title,
    .note-title {
        font-size: 0.95rem;
    }

    .blog-excerpt,
    .note-excerpt {
        font-size: 0.85rem;
    }

    .clock {
        width: 120px;
        height: 120px;
    }

    .time-display {
        font-size: 1.2rem;
    }

    .date-display {
        font-size: 0.85rem;
    }

    /* 留言板模态框小屏幕优化 */
    .message-modal-content {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }

    .message-modal-header {
        padding: 0.75rem;
    }

    .message-modal-title {
        font-size: 1.1rem;
    }

    .message-modal-close {
        width: 28px;
        height: 28px;
        font-size: 1.5rem;
    }

    .message-modal-body {
        padding: 0.75rem;
    }

    .message-list-modal {
        max-height: 250px;
    }

    .message-form input,
    .message-form textarea {
        font-size: 16px; /* 防止iOS自动缩放 */
    }

    /* 登录按钮移动端优化 */
    .login-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        top: 0.5rem;
        right: 0.5rem;
    }

    /* 编辑按钮移动端优化 */
    .edit-mode-btn,
    .edit-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    /* 删除按钮移动端优化 */
    .delete-btn {
        width: 24px;
        height: 24px;
        font-size: 1.2rem;
    }

    /* 工具箱移动端优化 */
    .toolbox-item {
        padding: 0.5rem;
        font-size: 0.85rem;
    }

    .toolbox-icon {
        font-size: 1.2rem;
    }
}

/* 写博客页面样式 */
.write-blog-card {
    height: 100%;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

.write-blog-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.write-blog-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.write-blog-form label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.write-blog-form input,
.write-blog-form textarea {
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.write-blog-form input:focus,
.write-blog-form textarea:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.write-blog-form textarea {
    resize: vertical;
    line-height: 1.6;
}

.write-blog-form #blogContent {
    min-height: 400px;
    font-family: 'Inter', sans-serif;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.form-actions .btn {
    padding: 0.75rem 2rem;
    font-size: 0.9rem;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

/* 问答页面样式 */
.qa-card {
    height: 100%;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

.qa-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.qa-input-section {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.qa-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.qa-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.qa-form label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.qa-form textarea {
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    resize: vertical;
    line-height: 1.6;
}

.qa-form textarea:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.qa-form-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.qa-form #submitBtn {
    padding: 0.75rem 2rem;
    font-size: 0.9rem;
}

.qa-form #submitBtn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-hunter {
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--neon-purple);
    border: 1px solid var(--neon-purple);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-hunter:hover {
    background: var(--neon-purple);
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(123, 97, 255, 0.4);
}

.btn-hunter:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 猎头模式激活状态 - 流光效果 */
.btn-hunter.hunter-mode-active {
    position: relative;
    border: 2px solid var(--neon-purple);
    background: transparent;
    color: var(--neon-purple);
    overflow: hidden;
    animation: borderGlow 2s linear infinite;
}

.btn-hunter.hunter-mode-active::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(123, 97, 255, 0.3) 50%,
        transparent 70%
    );
    animation: shine 2s linear infinite;
}

@keyframes borderGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(123, 97, 255, 0.5),
                    0 0 20px rgba(123, 97, 255, 0.3),
                    0 0 30px rgba(123, 97, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(123, 97, 255, 0.8),
                    0 0 30px rgba(123, 97, 255, 0.5),
                    0 0 40px rgba(123, 97, 255, 0.3);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.btn-hunter.hunter-mode-active:hover {
    background: rgba(123, 97, 255, 0.1);
    color: var(--neon-purple);
}

.qa-answer-section {
    padding: 1.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 1rem;
}

.answer-header {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.answer-header h4 {
    color: var(--neon-blue);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.answer-content {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.qa-history-section {
    margin-top: 1rem;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.history-header h4 {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.btn-clear {
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-clear:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.history-item {
    padding: 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.history-item:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.1);
}

.history-question {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

.history-question strong {
    color: var(--neon-blue);
    margin-right: 0.5rem;
}

.history-answer {
    margin-bottom: 0.75rem;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    padding-left: 1.5rem;
}

.history-answer strong {
    color: var(--neon-purple);
    margin-right: 0.5rem;
}

.history-time {
    font-size: 0.8rem;
    color: var(--text-dark);
    font-family: 'JetBrains Mono', monospace;
    text-align: right;
}

/* 自定义模态弹窗样式 */
.custom-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.custom-modal.show {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.custom-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
    animation: slideDown 0.3s ease;
    position: relative;
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.custom-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.custom-modal-header h4 {
    margin: 0;
    color: var(--neon-blue);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.custom-modal-close {
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.custom-modal-close:hover {
    color: var(--neon-blue);
    background: var(--bg-dark);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.custom-modal-body {
    padding: 1.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.custom-modal-body p {
    margin: 0;
}

.custom-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.custom-modal-footer .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    min-width: 80px;
}

.custom-modal-footer .btn-secondary {
    color: var(--text-light);
    border-color: var(--border-color);
}

.custom-modal-footer .btn-secondary:hover {
    color: var(--text-color);
    border-color: var(--neon-blue);
    background: transparent;
}

/* ==================== 资源弹窗样式 ==================== */
.resources-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.resources-modal.show {
    display: flex;
    opacity: 1;
}

/* 遮罩层 */
.resources-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

/* 资源弹窗内容 */
.resources-modal-content {
    position: relative;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: scale(0.7);
    transition: transform 0.3s ease;
    z-index: 1001;
}

.resources-modal.show .resources-modal-content {
    transform: scale(1);
}

/* 资源弹窗头部 */
.resources-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.resources-modal-title {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-color);
}

.resources-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.resources-modal-close:hover {
    background: var(--bg-dark);
    color: var(--neon-blue);
}

/* 资源弹窗主体 */
.resources-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

/* 资源网格 */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.5rem;
    padding: 0.5rem;
}

/* 资源项 */
.resource-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.resource-item:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.2);
    background: var(--bg-dark);
}

.resource-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
    transition: transform 0.3s ease;
}

.resource-item:hover .resource-icon {
    transform: scale(1.1);
}

.resource-label {
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .resources-modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .resources-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 1rem;
    }

    .resource-item {
        padding: 1rem;
    }

    .resource-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .resources-modal-content {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .resource-icon {
        font-size: 2rem;
    }
}