/* 基础重置与变量定义 - Fluent Design风格 */
:root {
    /* 公共变量 */
    --radius: 16px; /* 更大圆角 */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    /* 按钮变量 - 通用结构 */
    --btn-primary-bg: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --btn-secondary-bg: transparent;
    --btn-secondary-border: var(--border-color);
    /* 勿写 var(--text-primary)：在 :root 上会被算成浅色字并继承到日间主题，导致次要按钮白字白底 */
    --btn-secondary-text: #f0f6fc;
    /* 别名变量 - 兼容旧代码 */
    --accent-color: var(--accent-primary);
    --card-bg: var(--bg-card);
    --active-text: #000000;
    
    /* 深色主题变量 - 科技蓝紫调 */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1d242e;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-primary: #8a2be2; /* 蓝紫色 */
    --accent-secondary: #00bfff; /* 深天蓝 */
    --accent-glow: rgba(138, 43, 226, 0.15);
    --border-color: #30363d;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 32px rgba(138, 43, 226, 0.25);
    /* 毛玻璃效果 */
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(138, 43, 226, 0.2);
    /* 交互变量 */
    --hover-bg: rgba(138, 43, 226, 0.1);
    --btn-primary-text: #000000;
}

.light-theme {
    /* 浅色主题变量 - 白/浅灰底色，蓝紫渐变 */
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-primary: #7c3aed; /* 紫罗兰 */
    --accent-secondary: #3b82f6; /* 亮蓝色 */
    --accent-glow: rgba(124, 58, 237, 0.1);
    --border-color: #e2e8f0;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 32px rgba(124, 58, 237, 0.15);
    /* 毛玻璃效果 */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(124, 58, 237, 0.15);
    /* 交互变量 */
    --hover-bg: rgba(124, 58, 237, 0.08);
    /* 浅色主题：主按钮文字用深色，避免白字在浅紫蓝渐变上发灰/看不清 */
    --btn-primary-text: #0f172a;
    /* 次要按钮：与正文同色，避免继承到 :root 上已算死的浅色字 */
    --btn-secondary-text: #1e293b;
    --btn-secondary-border: var(--border-color);
}

.high-contrast {
    /* 高对比度主题变量 - 确保WCAG AA标准 */
    --bg-primary: #000000;
    --bg-secondary: #1a1a1a;
    --bg-card: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent-primary: #ffcc00; /* 亮黄色，高对比度 */
    --accent-secondary: #00ccff; /* 亮蓝色，高对比度 */
    --accent-glow: rgba(255, 204, 0, 0.3);
    --border-color: #444444;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 12px 32px rgba(255, 204, 0, 0.4);
    /* 毛玻璃效果 */
    --glass-bg: rgba(26, 26, 26, 0.9);
    --glass-border: rgba(255, 204, 0, 0.3);
    /* 交互变量 */
    --hover-bg: rgba(255, 204, 0, 0.2);
    --btn-primary-text: #000000;
    --btn-secondary-border: var(--accent-primary);
    --btn-secondary-text: var(--accent-primary);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

/* 为所有主要元素添加过渡效果 */
.navbar, .container, .hero, .section, .card, .btn, .nav-links a, .nav-right, .theme-toggle,
.project-card, .skill-category, .detail-item, .contact-item, .social-link,
.blog-post-card, .sidebar-section, .modal-content, .resource-card, .ai-panel {
    transition: var(--transition);
}

/* 为边框和阴影添加过渡效果 */
.navbar, .project-card, .skill-category, .detail-item, .contact-item, .blog-post-card,
.sidebar-section, .modal-content, .resource-card, .ai-panel {
    transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

/* 为文本颜色添加过渡效果 */
h1, h2, h3, h4, h5, h6, p, a, span, li {
    transition: color var(--transition);
}

/* 页面加载时立即应用主题，避免闪动 */
body.theme-loaded {
    transition: var(--transition);
}

/* 主题切换动画类 */
body.theme-transition {
    animation: themeFade 0.5s ease-in-out;
}

@keyframes themeFade {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.9;
    }
    100% {
        opacity: 1;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 全站导航固定吸顶（由 navbar.js 动态计算高度） */
#app-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2600;
}
body.has-fixed-navbar {
    padding-top: var(--app-navbar-height, 84px);
}

/* 导航栏样式 - Fluent Design风格 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    position: sticky;
    top: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    margin: 0 auto;
    max-width: 1400px;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.4rem;
    min-width: 180px;
}

.logo-icon {
    color: var(--accent-primary);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--btn-primary-bg);
    border-radius: 12px;
    color: var(--btn-primary-text);
}

.logo-text {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    color: var(--accent-primary);
    font-size: 1.8rem;
}

.logo-text {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    flex: 1;
    justify-content: center;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: 10px 20px;
    border-radius: 12px;
    border: 2px solid transparent;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    position: relative;
}

/* 导航待办：邀请 / 待审批 */
.nav-badge {
    position: absolute;
    top: 2px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: #e53935;
    color: #fff;
    font-size: 0.62rem;
    font-weight: 800;
    line-height: 18px;
    text-align: center;
    box-shadow: 0 0 0 2px var(--bg-primary);
    pointer-events: none;
    align-items: center;
    justify-content: center;
}

.nav-links a:hover {
    color: var(--accent-primary);
    background: var(--hover-bg);
    border-color: var(--glass-border);
}

.nav-links a.active {
    color: var(--accent-primary);
    background: var(--hover-bg);
    border-color: var(--accent-primary);
    font-weight: 600;
}

/* 导航图标 */
.nav-links a i {
    font-size: 1rem;
    opacity: 0.8;
}

.nav-links a:hover i,
.nav-links a.active i {
    opacity: 1;
}

/* 右侧用户区 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 180px;
    justify-content: flex-end;
}

/* 用户信息 */
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 12px;
    background: var(--hover-bg);
    border: 2px solid transparent;
    transition: var(--transition);
}

.user-info:hover {
    border-color: var(--glass-border);
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* 登录/退出按钮 */
.nav-login-btn {
    padding: 10px 20px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: 2px solid transparent;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.nav-logout-btn {
    padding: 8px 16px;
    background: transparent;
    border: 2px solid var(--btn-secondary-border);
    border-radius: 12px;
    color: var(--btn-secondary-text);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-logout-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--hover-bg);
}

.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--hover-bg);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: rotate(15deg);
}

/* 英雄区域 */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 30px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-5px);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circuit-animation {
    width: 300px;
    height: 300px;
    position: relative;
}

.circuit-line {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: pulse 4s infinite ease-in-out;
}

.circuit-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-primary);
}

.circuit-node:nth-child(2) {
    top: 20%;
    left: 20%;
}

.circuit-node:nth-child(3) {
    top: 20%;
    right: 20%;
}

.circuit-node:nth-child(4) {
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.95); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

/* 新增动画效果 */
@keyframes light-sweep {
    0% { transform: translateX(-100%) skewX(-15deg); }
    100% { transform: translateX(200%) skewX(-15deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 40px var(--accent-primary), 0 0 60px var(--accent-glow); }
}

@keyframes particle-float {
    0% { transform: translate(0, 0) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translate(var(--tx), var(--ty)) rotate(360deg); opacity: 0; }
}

/* 区域通用样式 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.section-icon {
    color: var(--accent-primary);
    font-size: 2rem;
}

/* 自我介绍板块 */
.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border-left: 4px solid var(--accent-primary);
    transition: var(--transition);
}

.detail-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.detail-item i {
    font-size: 1.8rem;
    color: var(--accent-primary);
}

.detail-item strong {
    display: block;
    margin-bottom: 5px;
}

.detail-item p {
    color: var(--text-secondary);
    margin: 0;
}

.about-image {
    flex: 1;
}

.tech-illustration {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.chip-icon, .code-icon, .robot-icon {
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--bg-card);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--accent-primary);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.chip-icon {
    top: 0;
    left: 0;
}

.code-icon {
    top: 0;
    right: 0;
}

.robot-icon {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.chip-icon:hover, .code-icon:hover, .robot-icon:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-hover);
}

/* 技能栈区域 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-category {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    border-top: 4px solid var(--accent-primary);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-primary);
}

.skill-list {
    list-style: none;
}

.skill-list li {
    margin-bottom: 20px;
}

.skill-name {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.skill-bar {
    height: 10px;
    background: var(--bg-secondary);
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 5px;
    transition: width 1.5s ease-in-out;
}

/* 项目经历板块 */
.projects-grid {
    display: grid;
    gap: 30px;
    justify-content: center;
    justify-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

/* 根据项目数量动态调整布局 */
.projects-grid.auto-layout {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.projects-grid.count-1 {
    grid-template-columns: 1fr;
    max-width: 500px;
}

.projects-grid.count-2 {
    grid-template-columns: repeat(2, minmax(300px, 1fr));
}

.projects-grid.count-3 {
    grid-template-columns: repeat(3, minmax(280px, 1fr));
}

.projects-grid.count-4 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* 响应式项目网格 */
@media (max-width: 1100px) {
    .projects-grid.count-2,
    .projects-grid.count-3,
    .projects-grid.count-4,
    .projects-grid.auto-layout {
        max-width: 900px;
    }
}
@media (max-width: 900px) {
    .projects-grid.count-3 {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
    }
    .projects-grid.count-4 {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
    }
}
@media (max-width: 768px) {
    .projects-grid.count-2,
    .projects-grid.count-3,
    .projects-grid.count-4,
    .projects-grid.auto-layout {
        max-width: 100%;
    }
}
@media (max-width: 650px) {
    .projects-grid.count-2,
    .projects-grid.count-3,
    .projects-grid.count-4,
    .projects-grid.auto-layout {
        grid-template-columns: 1fr;
    }
}

.project-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-primary);
}

.project-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.project-icon {
    font-size: 2rem;
    color: var(--accent-primary);
}

.project-card h3 {
    font-size: 1.5rem;
}

.project-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.project-tech li {
    background: rgba(0, 247, 255, 0.1);
    color: var(--accent-primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
}

.project-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.status-completed {
    background: rgba(0, 255, 170, 0.1);
    color: var(--accent-secondary);
}

.status-ongoing {
    background: rgba(0, 247, 255, 0.1);
    color: var(--accent-primary);
}

.project-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 联系方式区域 */
.contact-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.contact-item i {
    font-size: 2rem;
    color: var(--accent-primary);
}

.contact-item strong {
    display: block;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: scale(1.1);
}

.qr-code {
    flex: 0 0 300px;
    text-align: center;
}

.qr-container {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    border: 2px dashed var(--accent-primary);
}

.qr-placeholder {
    padding: 40px 20px;
    background: rgba(0, 247, 255, 0.05);
    border-radius: var(--radius);
}

.qr-placeholder i {
    font-size: 5rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
    display: block;
}

.qr-placeholder p {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.qr-placeholder small {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.qr-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 250px;
    margin: 0 auto;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-top: 60px;
}

.footer p {
    margin-bottom: 15px;
}

.footer i {
    color: #ff4757;
    margin: 0 5px;
}

.footer-links a {
    color: var(--accent-primary);
    text-decoration: none;
    margin: 0 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    text-decoration: underline;
}

/* ==================== 动画效果类 ==================== */
.light-sweep {
    position: relative;
    overflow: hidden;
}

.light-sweep::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: translateX(-100%) skewX(-15deg);
    animation: light-sweep 3s infinite;
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

.glow-animation {
    animation: glow 2s ease-in-out infinite;
}

.particle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: particle-float linear infinite;
    opacity: 0;
}

/* 技能进度条加载动画 */
.skill-level {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 5px;
    transition: width 1.5s ease-in-out;
    position: relative;
    overflow: hidden;
}

.skill-level::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: translateX(-100%) skewX(-15deg);
    animation: light-sweep 2s infinite;
}

/* 卡片光效 */
.project-card, .skill-category, .detail-item, .contact-item {
    position: relative;
    overflow: hidden;
}

.project-card::before, .skill-category::before, .detail-item::before, .contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before, .skill-category:hover::before,
.detail-item:hover::before, .contact-item:hover::before {
    left: 100%;
}

/* 标题光效 */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.section-title:hover::after {
    transform: scaleX(1);
}

/* 按钮光效 */
.btn-primary, .btn-secondary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after, .btn-secondary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: rotate(30deg);
    animation: light-sweep 1.5s infinite;
}

/* 二维码光效 */
.qr-container {
    position: relative;
}

.qr-container::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary));
    border-radius: calc(var(--radius) + 2px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.qr-container:hover::after {
    opacity: 1;
    animation: glow 1s infinite alternate;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 0;
    }

    .hero-content {
        margin-bottom: 60px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .about-content {
        flex-direction: column;
    }

    .contact-content {
        flex-direction: column;
    }

    .qr-code {
        flex: 1;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
        padding: 15px 0;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    .skills-grid, .projects-grid {
        grid-template-columns: 1fr;
    }

    .tech-illustration {
        width: 250px;
        height: 250px;
    }

    .chip-icon, .code-icon, .robot-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section {
        padding: 50px 0;
    }

    .detail-item, .contact-item {
        padding: 15px;
    }
}

/* ==================== 博客样式 ==================== */

/* 博客头部 */
.blog-header {
    padding: 60px 0 40px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 50px;
}

.blog-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.blog-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.blog-stats span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-stats i {
    color: var(--accent-primary);
}

/* 博客内容布局 */
.blog-content {
    display: flex;
    gap: 50px;
    margin-bottom: 80px;
}

.blog-main {
    flex: 1;
}

.blog-sidebar {
    flex: 0 0 280px;
}

/* 博客文章列表 */
.blog-posts {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.blog-post-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
}

.blog-post-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-primary);
}

.blog-post-cover {
    height: 200px;
    background: var(--bg-secondary);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-post-cover.default-cover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.blog-post-cover.default-cover i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
}

.blog-post-content {
    padding: 30px;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.blog-post-category {
    background: rgba(0, 247, 255, 0.1);
    color: var(--accent-primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.blog-post-date, .blog-post-readtime {
    display: flex;
    align-items: center;
    gap: 5px;
}

.blog-post-date i, .blog-post-readtime i {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.blog-post-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    line-height: 1.3;
}

.blog-post-excerpt {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.7;
    font-size: 1.05rem;
}

.blog-post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.blog-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.blog-tag {
    background: rgba(0, 247, 255, 0.05);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.blog-tag:hover {
    background: rgba(0, 247, 255, 0.1);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.read-more-btn {
    padding: 10px 20px;
    font-size: 0.95rem;
}

/* 侧边栏样式 */
.sidebar-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.sidebar-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-list, .recent-posts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.category-item, .recent-post-item, .tag-item {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.category-item:last-child, .recent-post-item:last-child {
    border-bottom: none;
}

.category-item:hover, .recent-post-item:hover {
    color: var(--accent-primary);
    padding-left: 10px;
}

.category-item.active {
    color: var(--accent-primary);
    font-weight: 600;
}

/* 博客：当前筛选条、发文入口、标签选中态 */
.blog-header-actions {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.blog-header-btn {
    font-size: 0.9rem;
}

.blog-header-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 420px;
    line-height: 1.4;
}

.blog-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin: 0 auto 20px;
    max-width: 960px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.blog-filter-bar-label {
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.blog-filter-bar-text {
    color: var(--accent-primary);
    font-weight: 600;
    flex: 1;
    min-width: 0;
}

.blog-filter-clear {
    flex-shrink: 0;
}

.sidebar-tag-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: -4px 0 10px;
    line-height: 1.4;
}

.tag-item.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: 600;
}

.tag-item.active:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    opacity: 0.92;
}

.blog-no-match .btn {
    margin-top: 8px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.tag-item:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.recent-post-item h5 {
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.recent-post-item span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 模态框样式（复用项目详情模态框） */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    overflow-y: auto;
    padding: 20px;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

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

.modal-header {
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 1;
}

.modal-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-primary);
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius) var(--radius);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-meta i {
    color: var(--accent-primary);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.post-tag {
    background: rgba(0, 247, 255, 0.1);
    color: var(--accent-primary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 247, 255, 0.3);
}

.no-tags {
    color: var(--text-secondary);
    font-style: italic;
}

.post-content {
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 1.05rem;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    color: var(--text-primary);
}

.post-content h1 { font-size: 2rem; }
.post-content h2 { font-size: 1.7rem; }
.post-content h3 { font-size: 1.4rem; }
.post-content h4 { font-size: 1.2rem; }

.post-content p {
    margin-bottom: 1.2em;
}

.post-content a {
    color: var(--accent-primary);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-primary);
}

.post-content a:hover {
    border-bottom-style: solid;
}

.post-content ul,
.post-content ol {
    margin-left: 1.5em;
    margin-bottom: 1.2em;
}

.post-content li {
    margin-bottom: 0.5em;
}

.post-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: 1.5em;
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 1.2em;
    color: var(--text-secondary);
    font-style: italic;
}

.post-content code {
    background: var(--bg-secondary);
    color: var(--accent-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
}

.post-content pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5em;
    overflow-x: auto;
    margin-bottom: 1.2em;
}

.post-content pre code {
    background: none;
    color: var(--text-primary);
    padding: 0;
    font-size: 0.95em;
    line-height: 1.5;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 1.5em 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.2em;
}

.post-content th,
.post-content td {
    border: 1px solid var(--border-color);
    padding: 12px;
    text-align: left;
}

.post-content th {
    background: var(--bg-secondary);
    color: var(--accent-primary);
    font-weight: 600;
}

/* 加载和错误状态 */
.loading-spinner,
.error-message,
.warning-message,
.no-posts {
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.error-message i {
    font-size: 3rem;
    color: #ff4757;
    margin-bottom: 20px;
}

.warning-message i {
    font-size: 3rem;
    color: #ffa502;
    margin-bottom: 20px;
}

.no-posts i {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.btn-outline {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* 博客响应式设计 */
@media (max-width: 992px) {
    .blog-content {
        flex-direction: column;
    }

    .blog-sidebar {
        flex: 1;
        width: 100%;
    }

    .blog-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .blog-header {
        padding: 40px 0 30px;
    }

    .blog-title {
        font-size: 2.2rem;
    }

    .blog-subtitle {
        font-size: 1.1rem;
    }

    .blog-stats {
        flex-direction: column;
        gap: 15px;
    }

    .blog-post-title {
        font-size: 1.5rem;
    }

    .blog-post-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .read-more-btn {
        width: 100%;
    }

    .modal-content {
        max-width: 95%;
    }

    .modal-header h2 {
        font-size: 1.5rem;
    }

    .post-meta {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .blog-title {
        font-size: 1.8rem;
    }

    .blog-post-content {
        padding: 20px;
    }

    .blog-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .sidebar-section {
        padding: 20px;
    }
}

/* ==================== 资源中心样式 ==================== */

/* 资源中心布局 */
.resources-main {
    padding: 20px 0;
}

.resources-header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 30px;
}

.resources-title {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.resources-title i {
    color: var(--accent-color);
    margin-right: 15px;
}

.resources-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.resources-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
    color: var(--text-secondary);
}

.resources-stats span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.resources-stats i {
    color: var(--accent-color);
}

/* 三栏布局 */
.resources-layout {
    display: grid;
    grid-template-columns: 240px 1fr 300px;
    gap: 25px;
    min-height: 600px;
}

/* 左侧边栏 */
.resources-sidebar {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.filter-section {
    margin-bottom: 25px;
}

.filter-section h4 {
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-section h4 i {
    color: var(--accent-color);
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-item {
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.filter-item.active {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.pool-toggle {
    display: flex;
    gap: 8px;
}

.pool-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.pool-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.pool-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

.sidebar-actions {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* 中间主内容 */
.resources-content {
    min-width: 0;
}

.group-selector {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.group-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex: 1;
}

.group-tab {
    padding: 10px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.group-tab:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.group-tab.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

.group-tab.archived {
    opacity: 0.7;
}

.archived-badge {
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
}

.group-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
}

.search-box input {
    padding: 10px 12px 10px 38px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    width: 200px;
    transition: all 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-color);
    width: 250px;
}

/* 当前组别信息 */
.current-group-info {
    margin-bottom: 20px;
}

.group-info-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.group-info-main {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.group-info-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.group-info-text h3 {
    color: var(--text-primary);
    margin-bottom: 5px;
}

.group-info-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.group-info-meta {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.group-type-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: white;
    font-weight: 500;
}

.group-info-meta span {
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-archived {
    color: var(--text-muted) !important;
}

.group-tags {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.group-tags .tag {
    background: var(--hover-bg);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* 分类标签 */
.category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-tab:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.category-tab.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
}

/* 资源网格 */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.no-resources {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.no-resources i {
    margin-bottom: 20px;
    opacity: 0.5;
}

.no-resources h3 {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* 资源卡片 */
.resource-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.resource-card.pinned {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.pinned-badge {
    position: absolute;
    top: -8px;
    right: 15px;
    background: var(--accent-color);
    color: var(--bg-primary);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
}

.resource-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.resource-category {
    font-size: 0.75rem;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.resource-type {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.resource-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.resource-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    flex: 1;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.resource-tag {
    background: var(--hover-bg);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.resource-tag-more {
    background: var(--accent-color);
    color: var(--bg-primary);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.resource-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.resource-date {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.resource-actions {
    display: flex;
    gap: 6px;
}

.resource-actions .btn-sm {
    padding: 6px 10px;
}

/* 右侧AI面板 */
.ai-panel {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    height: fit-content;
    position: sticky;
    top: 100px;
    transition: all 0.3s;
    overflow: hidden;
}

.ai-panel.collapsed {
    width: 50px;
}

.ai-panel.collapsed .ai-panel-content {
    display: none;
}

.ai-panel-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-panel-header h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-panel-header h4 i {
    color: var(--accent-color);
}

.ai-panel-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s;
}

.ai-panel-toggle:hover {
    color: var(--accent-color);
}

.ai-panel-content {
    padding: 20px;
}

.ai-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.ai-placeholder i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.ai-placeholder p {
    font-size: 0.9rem;
    line-height: 1.5;
}

.ai-config-hint {
    text-align: center;
    padding: 20px;
    background: var(--hover-bg);
    border-radius: 8px;
    margin-top: 20px;
}

.ai-config-hint p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.ai-result {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-summary h5,
.ai-features h5,
.ai-chat h5 {
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ai-summary p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.ai-features ul {
    list-style: none;
    padding: 0;
}

.ai-features li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 5px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.ai-features li::before {
    content: "•";
    color: var(--accent-color);
}

.ai-chat-input {
    display: flex;
    gap: 8px;
}

.ai-chat-input input {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.ai-chat-input input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.ai-chat-history {
    margin-top: 15px;
    max-height: 200px;
    overflow-y: auto;
}

.no-groups {
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 20px;
    text-align: center;
}

/* 资源中心响应式（.resources-layout 用于 hub 等旧布局；勿在此处隐藏 .ai-panel，避免与 resources.html 右栏冲突） */
@media (max-width: 1200px) {
    .resources-layout {
        grid-template-columns: 220px 1fr;
    }
}

@media (max-width: 900px) {
    .resources-layout {
        grid-template-columns: 1fr;
    }

    .resources-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 15px;
    }

    .filter-section {
        margin-bottom: 0;
    }

    .sidebar-actions {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
    }
}

@media (max-width: 600px) {
    .resources-header {
        padding: 30px 15px;
    }

    .resources-title {
        font-size: 1.8rem;
    }

    .resources-stats {
        flex-direction: column;
        gap: 10px;
    }

    .group-selector {
        flex-direction: column;
    }

    .group-actions {
        width: 100%;
        flex-direction: column;
    }

    .search-box {
        width: 100%;
    }

    .search-box input {
        width: 100%;
    }

    .search-box input:focus {
        width: 100%;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }
}

/* 修正.active状态的对比度 - 确保深色文字在亮色背景上 */
.comp-tab.active,
.category-btn.active,
.pool-btn.active,
.filter-item.active,
.group-item.active,
.category-tab.active {
    background: var(--accent-primary) !important;
    color: #121826 !important; /* 深色文字保证对比度 */
    font-weight: 700;
    text-shadow: none !important;
}

/* 个人中心样式 */
.personal-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    border-radius: var(--radius);
    padding: 40px;
    margin: 30px 0;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    text-align: center;
}

.personal-header-content h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.personal-header-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.personal-header-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.personal-header-actions .btn {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
}

.personal-header-actions .btn i {
    margin-right: 8px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .personal-header {
        padding: 30px 20px;
        margin: 20px 0;
    }

    .personal-header-content h1 {
        font-size: 2rem;
    }

    .personal-header-actions {
        flex-direction: column;
        align-items: center;
    }

    .personal-header-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* 个人中心：自己/他人模式、分区导航、私信与可见性 */
.pc-mode-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    padding: 14px 18px;
    margin: 12px 0 0;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 0.9rem;
}
.pc-mode-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.82rem;
}
.pc-mode-self { background: rgba(74, 144, 226, 0.15); color: var(--accent-primary); }
.pc-mode-other { background: rgba(155, 89, 182, 0.2); color: #9b59b6; }
.pc-mode-preview { background: rgba(46, 204, 113, 0.2); color: #27ae60; }
.pc-mode-desc { color: var(--text-secondary); flex: 1; min-width: 200px; }
.pc-banner-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    width: 100%;
}
.pc-banner-inner--self { flex-direction: column; align-items: flex-start; }
.pc-mode-short { font-size: 0.85rem; color: var(--text-secondary); }
.pc-share-details { font-size: 0.85rem; }
.pc-share-details summary {
    cursor: pointer;
    color: var(--accent-primary);
    user-select: none;
}
.pc-share-help {
    margin: 10px 0 14px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--text-secondary);
    max-width: 720px;
}
.pc-share-help strong { color: var(--text-primary); }
.pc-share-help code {
    font-size: 0.78rem;
    padding: 1px 6px;
    border-radius: 4px;
    background: var(--bg-secondary);
}
.pc-mode-banner--preview {
    border-color: rgba(46, 204, 113, 0.45);
    background: rgba(46, 204, 113, 0.08);
}
.pc-mini-code { font-size: 0.78rem; padding: 2px 6px; border-radius: 4px; background: var(--bg-card); }
.pc-follow-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 12px 16px;
    margin-top: 10px;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-card);
}
.personal-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0 8px;
}
.personal-subnav button {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.88rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.personal-subnav button:hover { border-color: var(--accent-primary); }
.personal-subnav button.active {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}
/* 个人中心左侧栏：纵向分区（覆盖圆角与布局） */
.personal-subnav.personal-subnav--sidebar {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    margin: 0;
    gap: 6px;
    width: 100%;
}
.personal-subnav.personal-subnav--sidebar button {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.86rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.personal-subnav.personal-subnav--sidebar button i {
    width: 1.1em;
    flex-shrink: 0;
    opacity: 0.9;
}
.pc-sidebar-nav-card {
    margin-bottom: 12px;
}
.pc-tab-panel { margin-top: 8px; }
.pc-visibility-form { max-width: 720px; }
.pc-vis-table { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border-color, rgba(255,255,255,0.12)); border-radius: 12px; overflow: hidden; background: var(--bg-card, rgba(0,0,0,0.2)); }
.pc-vis-row {
    display: grid;
    grid-template-columns: minmax(200px, 1fr) minmax(180px, 1.1fr);
    gap: 12px 20px;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color, rgba(255,255,255,0.08));
}
.pc-vis-row:last-child { border-bottom: none; }
.pc-vis-left { min-width: 0; }
.pc-vis-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}
.pc-vis-check input { margin-top: 4px; flex-shrink: 0; accent-color: var(--accent-primary, #00f7ff); }
.pc-vis-right {
    font-size: 0.88rem;
    line-height: 1.45;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid transparent;
}
.pc-vis-status--ok {
    color: var(--text-secondary);
    background: rgba(0, 247, 255, 0.06);
    border-color: rgba(0, 247, 255, 0.2);
}
.pc-vis-status--empty {
    color: var(--text-secondary);
    opacity: 0.95;
    background: rgba(255, 107, 107, 0.06);
    border-color: rgba(255, 107, 107, 0.25);
}
.pc-vis-status--pending {
    color: var(--text-secondary);
    background: rgba(255,255,255,0.04);
    border-color: var(--border-color, rgba(255,255,255,0.1));
}
@media (max-width: 640px) {
    .pc-vis-row { grid-template-columns: 1fr; gap: 8px; }
}
.pc-invite-list { display: flex; flex-direction: column; gap: 10px; }
.pc-invite-card {
    display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
    padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.pc-invite-title { font-weight: 700; }
.pc-invite-meta { font-size: 0.82rem; color: var(--text-secondary); margin-top: 4px; }
.pc-dm-compose { display: flex; flex-direction: column; gap: 8px; max-width: 520px; margin-bottom: 20px; }
.pc-dm-list { display: flex; flex-direction: column; gap: 10px; }
.pc-dm-row { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border-color); background: var(--bg-secondary); }
.pc-dm-meta { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 4px; }
.pc-dm-body { font-size: 0.9rem; white-space: pre-wrap; word-break: break-word; }

/* 个人中心：侧栏布局（flex：侧栏 display:none 时主栏自动占满，避免 Grid 首帧挤压） */
.pc-with-sidebar {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
}
.pc-self-sidebar {
    flex: 0 0 280px;
    width: 280px;
    max-width: 100%;
    position: sticky;
    top: 88px;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-self: flex-start;
    min-height: calc(100vh - 100px);
}
.pc-sidebar-self-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
    max-height: min(70vh, 520px);
    overflow: hidden;
}
/* 展开「分享我的主页」时仅中间区域滚动，避免关注/粉丝被挤出视口 */
.pc-self-dock-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.pc-sidebar-self-footer #pcFollowStatsBar {
    flex-shrink: 0;
}
/* 侧栏底：我的中心 + 关注/粉丝（窄栏紧凑排版） */
.pc-mode-banner--sidebar {
    margin: 0;
    padding: 12px 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}
.pc-mode-banner--sidebar .pc-banner-inner--self {
    width: 100%;
}
.pc-mode-banner--sidebar .pc-mode-short {
    font-size: 0.8rem;
    line-height: 1.45;
}
.pc-mode-banner--sidebar .pc-share-details summary {
    font-size: 0.82rem;
}
.pc-mode-banner--sidebar .pc-share-help {
    max-width: none;
}
.pc-follow-stats-bar--sidebar {
    margin-top: 10px;
    padding: 8px 10px;
    justify-content: center;
    gap: 8px 12px;
}
.pc-main-column {
    flex: 1 1 0%;
    min-width: 0;
}
.pc-sidebar-card {
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.pc-sidebar-card-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.pc-sidebar-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin: 0 0 10px;
    line-height: 1.45;
}
.pc-search-input-wrap {
    position: relative;
}
.pc-search-input-wrap .pc-s-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    opacity: 0.6;
    font-size: 0.85rem;
    pointer-events: none;
}
.pc-search-input {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px 10px 36px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.88rem;
}
.pc-search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}
.pc-user-search-results {
    margin-top: 10px;
    max-height: 320px;
    overflow-y: auto;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pc-search-row {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}
.pc-search-row:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}
.pc-sn-name {
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.pc-sn-lines {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.76rem;
    color: var(--text-secondary);
    line-height: 1.4;
}
.pc-sn-id {
    font-family: JetBrains Mono, ui-monospace, monospace;
    word-break: break-all;
    overflow-wrap: anywhere;
}
.pc-sn-hid {
    font-family: JetBrains Mono, ui-monospace, monospace;
    font-size: 0.74rem;
    opacity: 0.92;
    word-break: break-all;
    overflow-wrap: anywhere;
}
.pc-sn-hid::before {
    content: '主页 ID ';
    font-family: Inter, system-ui, sans-serif;
    font-size: 0.72rem;
    opacity: 0.75;
    margin-right: 4px;
}
.pc-sn-me-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(0, 247, 255, 0.15);
    color: var(--accent-primary);
    vertical-align: middle;
}
.pc-search-empty,
.pc-search-err {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.pc-search-err { color: #ff6b6b; }

.pc-share-rows {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
    width: 100%;
    max-width: 100%;
}
.pc-share-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}
.pc-share-label {
    flex: 0 0 72px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}
.pc-share-code {
    flex: 1 1 160px;
    min-width: 0;
    word-break: break-all;
    font-size: 0.72rem;
}

.pc-follow-stats-bar {
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    padding: 10px 16px;
    margin-top: 10px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    font-size: 0.9rem;
}
.pc-fo-stat {
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 8px;
    font: inherit;
    transition: background 0.15s;
}
.pc-fo-stat:hover {
    background: rgba(0, 247, 255, 0.08);
}
.pc-fo-stat strong {
    color: var(--accent-primary);
    margin-right: 4px;
}
.pc-fo-sep {
    color: var(--text-secondary);
    opacity: 0.6;
}

.pc-follow-modal {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.pc-follow-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}
.pc-follow-modal-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: min(96vw, 960px);
    max-height: 85vh;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.pc-follow-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}
.pc-follow-modal-head h3 {
    margin: 0;
    font-size: 1rem;
}
.pc-follow-modal-close {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px 8px;
    border-radius: 6px;
}
.pc-follow-modal-close:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}
.pc-follow-modal-body {
    padding: 12px 16px 16px;
    overflow-y: auto;
    max-height: min(70vh, 720px);
}
.pc-member-table-wrap {
    width: 100%;
    overflow-x: auto;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}
.pc-member-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 0.86rem;
}
.pc-member-table thead tr {
    background: rgba(0, 0, 0, 0.15);
}
.pc-member-table th,
.pc-member-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
.pc-member-table th {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}
.pc-col-cb {
    width: 36px;
    text-align: center;
}
.pc-col-cb input[type='checkbox'] {
    accent-color: var(--accent-primary);
}
.pc-col-student {
    font-family: JetBrains Mono, ui-monospace, monospace;
    font-size: 0.82rem;
}
.pc-col-time {
    white-space: nowrap;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.pc-col-actions {
    white-space: nowrap;
}
.pc-mbtn-view {
    background: linear-gradient(135deg, var(--accent-primary), #9b59b6) !important;
    border: none !important;
    color: #fff !important;
}
.pc-member-row--me {
    background: rgba(74, 144, 226, 0.12);
    box-shadow: inset 3px 0 0 #9b59b6;
}
.pc-me-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 6px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(0, 247, 255, 0.15);
    color: var(--accent-primary);
    vertical-align: middle;
}
.pc-me-suffix {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-left: 4px;
}
.team-card--lobby-preview {
    border-style: dashed;
}
.team-card-preview-hint {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin: 0 0 10px;
    line-height: 1.45;
}

@media (max-width: 960px) {
    .pc-with-sidebar {
        flex-direction: column;
    }
    /* 窄屏：侧栏（分区 + 搜索）在上，主内容在下，避免先滚很长才看到导航 */
    .pc-self-sidebar {
        flex: 0 0 auto;
        width: 100%;
        position: static;
        order: 0;
        min-height: 0;
    }
    .pc-sidebar-self-footer {
        margin-top: 0;
        max-height: none;
    }
    .pc-self-dock-scroll {
        max-height: none;
    }
    .pc-main-column {
        order: 1;
        width: 100%;
    }
}